Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec; mm: 42 30 35 22 Portland December weather guide. The Portland lies on 10m above sea level The climate here is mild, and generally warm and temperate. The average daily incident shortwave solar energy experiences extreme seasonal variation over the course of the year. The figure below shows you a compact characterization of the entire year of hourly average temperatures. During the month of June and September you are most likely to experience good weather with pleasant average temperatures that fall between 20 degrees Celsius (68°F) and 25 degrees Celsius (77°F). Average Weather in November in Portland Oregon, United States. 24.7 °F: What's the Average Temperature in Oregon? Also view: monthly average temperatures, precipitation, snow depth, wind speed, air quality and pollution. Average Weather in November in Portland Oregon, United States. The average of mean hourly wind speeds (dark gray line), with 25th to 75th and 10th to 90th percentile bands. MERRA-2 Modern-Era Retrospective Analysis. July and August are the hottest months with temperatures reaching around 27°C / 80°F. Portland, Oregon - Travel and vacation weather averages, current conditions and forecasts. In Portland, there are 4 comfortable months with high temperatures in the range of 70-85°. Our tourism temperature score is 0 for perceived temperatures below 50°F, rising linearly to 9 for 65°F, to 10 for 75°F, falling linearly to 9 for 80°F, and to 1 for 90°F or hotter. Based on the tourism score, the best time of year to visit Portland for warm-weather activities is from early July to late August. Maximum temperature yesterday: 44 °F (at 1:53 pm) Minimum temperature yesterday: 38 °F (at 5:21 am) Average temperature yesterday: 42 °F. We’ve collected seasonal averages for all seven regions of Oregon to give you an idea of what you can expect when you’re here. Autumn in Portland is a delightful time to visit Portland, with warm days, a mild climate, clear skies and cool nights. High & Low Weather Summary for the Past Weeks The least rain falls around July 28, with an average total accumulation of 0.4 inches. The Oregon coast and the Willamette River Valley are blessed with a maritime climate similar to that of western France and northwestern Spain; verdant, fertile, moist and mild all year round. Portland summers are warm, dry, and sunny, with the average high temperature peaking at 81.1°F (27.3°C) in the warmest month of August. 13.93 inches: How Many Rainy Days a year are there in Oregon? The length of the day in Portland varies significantly over the course of the year. The most rain falls during the 31 days centered around November 28, with an average total accumulation of 9.4 inches. Those scores are combined into a single hourly composite score, which is then aggregated into days, averaged over all the years in the analysis period, and smoothed. Daily Oregon HAM Radio Operators Weather Report; Daily Temps/Precip/Snowfall: Portland ( 1940-2019, csv file) Daily Temps/Precip/Snowfall: Astoria ( … The thin dotted line is the corresponding average liquid-equivalent snowfall. Portland, USA: Annual Weather Averages July is the hottest month in Portland with an average temperature of 20.5°C (69°F) and the coldest is January at -6°C (21°F) . The daily average high (red line) and low (blue line) temperature, with 25th to 75th and 10th to 90th percentile bands. Climate Data. Growing degree days are a measure of yearly heat accumulation used to predict plant and animal development, and defined as the integral of warmth above a base temperature, discarding any excess above a maximum temperature. Average temperature: Average daily (24h) temperature per month. The coldest day of the year is December 29, with an average low of 36°F and high of 45°F. In general, Portland’s drinking water temperature can vary between 38 and 75 degrees Fahrenheit. Portland, USA: Annual Weather Averages July is the hottest month in Portland with an average temperature of 20.5°C (69°F) and the coldest is January at -6°C (21°F) . 56.3 °F: What's the Average Low in Oregon? The drier season lasts 5.1 months, from May 8 to October 12. The hottest day on record was July 2 1942 when the temperature hit 107.2°F. This section discusses the total daily incident shortwave solar energy reaching the surface of the ground over a wide area, taking full account of seasonal variations in the length of the day, the elevation of the Sun above the horizon, and absorption by clouds and other atmospheric constituents. 13.93 inches: How Many Rainy Days a year are there in Oregon? Temperatures above 60 °F (16 °C) occur in December just once a decade. On average, the recorded minimum temperature is 38°F. precipitation in Jan: January, Feb: February, ...Jan: January, Feb: February, ...Ja: January, Fe: February, ... © US Climate Data 2020 | version 3.0 | by Your Weather Service |, Past weather December 2019 incomplete - Missing data, Average precipitation in : Av. Seasonal Climate Forecast Dec. 2020 –Feb. To characterize how pleasant the weather is in Portland throughout the year, we compute two travel scores. The black line is the percentage chance that a given day is within the growing season. While having the tremendous advantages of temporal and spatial completeness, these reconstructions: (1) are based on computer models that may have model-based errors, (2) are coarsely sampled on a 50 km grid and are therefore unable to reconstruct the local variations of many microclimates, and (3) have particular difficulty with the weather in some coastal areas, especially small islands. . At right is a breakdown of 90-degree-or-hotter days by decade. Note that seasonal normals in contrast with those observed in Portland in the month of february with a maximum record of 67°F in 2015 and a minimum record of 16°F in 2014. Below is the high temperature recorded at Portland International Airport every day since April 1, 1938. Included are summary overview charts followed by 146 year-to-year graphs depicting daily temperatures, temperature anomalies, and precipitation. On average, the "Rose City" has 144 sunny days and an annual average temperature of 71 degrees Fahrenheit (22 degrees Celsius), making it an ideal place to foster a rose garden. Averages are for Portland International Airport, which is 7 miles from Portland. Portland (/ ˈ p ɔːr t l ə n d /, PORT-lənd) is the largest and most populous city in the U.S. state of Oregon and the seat of Multnomah County.It is a major port in the Willamette Valley region of the Pacific Northwest, at the confluence of the Willamette and Columbia rivers in Northwestern Oregon. The wind is most often from the east for 2.1 weeks, from January 20 to February 4 and for 2.6 weeks, from December 26 to January 13, with a peak percentage of 44% on January 27. Weather data is prone to errors, outages, and other defects. Find out how often it rains, snows, and the gets cold or hot in Portland. Daylight saving time (DST) is observed in Portland during 2020, starting in the spring on March 8, lasting 7.8 months, and ending in the fall on November 1. The average growing degree days accumulated over the course of the year, with 25th to 75th and 10th to 90th percentile bands. Find out how often it rains, snows, and the gets cold or hot in Portland. December is on average the COOLEST month. The chance of wet days in Portland varies very significantly throughout the year. All data relating to the Sun's position (e.g., sunrise and sunset) are computed using astronomical formulas from the book, Astronomical Algorithms 2nd Edition , by Jean Meeus. On January 16, the cloudiest day of the year, the sky is overcast or mostly cloudy 76% of the time, and clear, mostly clear, or partly cloudy 24% of the time. This month should be avoided if you are not a big fan of rain. For each hour between 8:00 AM and 9:00 PM of each day in the analysis period (1980 to 2016), independent scores are computed for perceived temperature, cloud cover, and total precipitation. In 2020, the shortest day is December 21, with 8 hours, 42 minutes of daylight; the longest day is June 20, with 15 hours, 41 minutes of daylight. Portland averages 6 days in December when the thermometer reaches into the 50s °F (over 10 °C). Average monthly temperatures in Portland (degrees centigrade and fahrenheit) Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec °C: 7: 9.8: 12.3: 14.9: 18.4: 22.1: 25.2: 25.5 What's The Average High Temp in Oregon? The day of the year with the coolest water is February 14, with an average temperature of 49°F. Download the … In the 2010s, Portland had 169 days at 90 or above, more than any other decade on record. Within 50 miles contains very significant variations in elevation (11,161 feet). A climate chart for your city, indicating the monthly high temperatures and rainfall. Portland, Oregon Climate - 97209 Weather, Average Rainfall, and Temperatures Portlanders call the rains Portland mist. A series of tables gives data by year for temperature, precipitation and snowfall. On average, the coolest month is December. Lower dew points feel drier and higher dew points feel more humid. This reanalysis combines a variety of wide-area measurements in a state-of-the-art global meteorological model to reconstruct the hourly history of weather throughout the world on a 50-kilometer grid. The most snow falls during the 31 days centered around January 6, with an average total liquid-equivalent accumulation of 0.3 inches. The time of year with warmer water lasts for 3.3 months, from June 15 to September 24, with an average temperature above 57°F. Snowfall in Oregon is greatest in the Cascade Range. A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. More: It’s not just your imagination. South Portland (2.2km/1.4mi) Old Orchard Beach (17km/10.7mi) Harpswell … The average water temperature experiences some seasonal variation over the course of the year. The clearer part of the year in Portland begins around June 10 and lasts for 3.9 months, ending around October 6. Thus, the mean temperature average on this month of december in Portland is 43°F. The percentage of days in which various types of precipitation are observed, excluding trace quantities: rain alone, snow alone, and mixed (both rain and snow fell in the same day). They have daily highs averaging 43.9 °F (6.6 °C) and lows of 34.4 °F (1.3 °C). The average liquid-equivalent snowfall (solid line) accumulated over the course of a sliding 31-day period centered on the day in question, with 25th to 75th and 10th to 90th percentile bands. The average annual temperature in Portland is 11.9 °C | 53.3 °F. The windier part of the year lasts for 4.6 months, from October 28 to March 17, with average wind speeds of more than 5.3 miles per hour. The area within 2 miles of Portland is covered by artificial surfaces (65%), water (19%), and trees (14%), within 10 miles by artificial surfaces (68%) and trees (12%), and within 50 miles by trees (47%) and shrubs (20%). The wettest month is September with an average of 140mm of rain. Also view: monthly average temperatures, precipitation, snow depth, wind speed, air quality and pollution. . The City of Portland is not the rainiest place in the metro area. The rainless period of the year lasts for 4.1 weeks, from July 15 to August 13. The thin dotted lines are the corresponding average perceived temperatures. Based on this score, the best time of year to visit Portland for general outdoor tourist activities is from early July to late August, with a peak score in the first week of August. We further caution that our travel scores are only as good as the data that underpin them, that weather conditions at any given location and time are unpredictable and variable, and that the definition of the scores reflects a particular set of preferences that may not agree with those of any particular reader. : Days with precipitation - Hours sun. : Average precipitation in inch - Days precip. Max temperature: Average max daily (24h) temperature per month Minimum temperature: Average minimum daily (24h) temperature per month Average temperature: Average daily (24h) temperature per month. 24.7 °F: What's the Average Temperature in Oregon? The average hourly temperature, color coded into bands. In Portland, OR during February the average high temperature is 51.1°F. For each station, the records are corrected for the elevation difference between that station and Portland according to the International Standard Atmosphere , and by the relative change present in the MERRA-2 satellite-era reanalysis between the two locations. Coastal fog can occur during this time. This report illustrates the typical weather in Portland, based on a statistical analysis of historical hourly weather reports and model reconstructions from January 1, 1980 to December 31, 2016. The mist brings us a lush green year around and an ideal climate for gardeners. Average temperatures and precipitation amounts for more than 145 cities in Oregon. The stations contributing to this reconstruction are: Portland International Airport (69%, 10 kilometers, northeast); Portland-Hillsboro Airport (20%, 21 kilometers, west); and Aurora State Airport (11%, 31 kilometers, south). A climate chart for your city, indicating the monthly high temperatures and rainfall. Portland is located near a large body of water (e.g., ocean, sea, or large lake). Winters are cold, with an average low temperature of 35.2°F (1.8°C) during the coldest month of December. The information on this site is provided as is, without any assurances as to its accuracy or suitability for any purpose. The actual depth of new snowfall is typically between 5 and 10 times the liquid-equivalent amount, assuming the ground is frozen. The average rainfall (solid line) accumulated over the course of a sliding 31-day period centered on the day in question, with 25th to 75th and 10th to 90th percentile bands. Most of the year, Portland gets its water from two reservoirs in the Bull Run Watershed resulting in water temperatures that vary throughout the year along with the seasons. Find the best time to go to Portland (Oregon). The coldest month is January with an average maximum temperature of 7°C (44°F). December is the most wet month. The wetter season lasts 6.9 months, from October 12 to May 8, with a greater than 32% chance of a given day being a wet day. The growing season in Portland typically lasts for 8.2 months (253 days), from around March 8 to around November 16, rarely starting before February 14 or after April 7, and rarely ending before October 24 or after December 14. They begin with average maximum and minimum temperatures in degrees Fahrenheit and Celsius. The highest monthly average temperature in Portland for August is 70 degrees; The lowest monthly average temperature in Portland for December is 40 degrees; The most monthly precipitation in Portland occurs in November with 6.2 inches; The air quality index in Portland is 24% better than the national average The chance of a wet day peaks at 59% on November 26. The time in which the moon is above the horizon (light blue area), with new moons (dark gray lines) and full moons (blue lines) indicated. For a couple of days each year on average, Portland's daytime temperature doesn't climb above freezing. These average ocean temperatures for Portland are calculated from several years of archived data. 40.5 °F: How Many Inches of Rain per year does Oregon get ? The calmer time of year lasts for 7.4 months, from March 17 to October 28. Weather.com brings you the most accurate monthly weather forecast for with average/record and high/low temperatures, precipitation and more. The estimated value at Portland is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between Portland and a given station. Average minimum and maximum temperatures in celsius per month in Portland (Oregon), United States of America displayed in a beautiful overview. The thin dotted line is the corresponding average rainfall. The hottest day on record was February 29, 1988 when the temperature recorded was 71.1°F. Annual precipitation ranges from 60 to 120 inches (1,500 to 3,000 mm) or more. December 9th, 2020 December 8th, 2020 December 7th, 2020 December 6th, 2020 December 5th, 2020 December 4th, 2020 December 3rd, 2020 December 2nd, 2020 December 1st, 2020 November 30th, 2020 November 29th, 2020 November 28th, 2020 November 27th, 2020 November 26th, 2020 November 25th, 2020 November 24th, 2020 November 23rd, 2020 November 22nd, 2020 November 21st, 2020 … Get the monthly weather forecast for Portland, OR, including daily high/low, historical averages, to help you plan ahead. Based on this categorization, the most common form of precipitation throughout the year is rain alone, with a peak probability of 58% on November 17. The smallest chance of a wet day is 4% on August 2. The cloudier part of the year begins around October 6 and lasts for 8.1 months, ending around June 10. We are looking back to the very beginnings of climate reporting in the Portland area, circa 1874. The horizontal axis is the day, the vertical axis is the hour of the day, and the colored areas indicate when the moon is above the horizon. The darkest day of the year is December 25, with an average of 1.0 kWh. What's The Average High Temp in Oregon? The rainy period of the year lasts for 11 months, from August 13 to July 15, with a sliding 31-day rainfall of at least 0.5 inches. Portland weather averages and climate Portland, Oregon. Snowfall in Oregon is greatest in the Cascade Range. The brighter period of the year lasts for 2.8 months, from May 29 to August 23, with an average daily incident shortwave energy per square meter above 6.0 kWh. We assume no responsibility for any decisions made on the basis of the content presented on this site. Our beach/pool temperature score is 0 for perceived temperatures below 65°F, rising linearly to 9 for 75°F, to 10 for 82°F, falling linearly to 9 for 90°F, and to 1 for 100°F or hotter. The warm season lasts for 2.9 months, from June 22 to September 18, with an average daily high temperature above 76°F. 56.3 °F: What's the Average Low in Oregon? In rare years, the thermometer dips to 20 °F ( … In Portland, the summers are short, warm, dry, and mostly clear and the winters are very cold, wet, and overcast. Av. Among wet days, we distinguish between those that experience rain alone, snow alone, or a mixture of the two. On average, the recorded minimum temperature is 38°F. 40.5 °F: How Many Inches of Rain per year does Oregon get ? Portland Weather in August - Temperature, Rainfall & Sunshine. Temperature. The percentage of time spent in various temperature bands. Portland Temperature Yesterday. The cool season lasts for 3.3 months, from November 14 to February 22, with an average daily high temperature below 52°F. If interested in Portland's recent severe winter cold waves, click here. The hottest day on record was July 2 1942 when the temperature hit 107.2°F. The warmest month in Portland International, Portland, Oregon is August with an average high temperature of 81.4°F. high : Average high in ºF - Av.low : Average low in ºF - Av. Sign up for our email newsletter by entering your email address. N/A: How Much Sunshine each year is there in Oregon (in hours)? Maps are © Esri, with data from National Geographic, Esri, DeLorme, NAVTEQ, UNEP-WCMC, USGS, NASA, ESA, METI, NRCAN, GEBCO, NOAA, and iPC. Compared to Seattle and Vancouver, Portland is both warmer and drier all year round. Portland Weather in August - Temperature, ... Below are average maximum temperatures at popular destinations in Oregon in … See the current Hillsdale, Portland, OR weather and a 5 day forecast. Portland, Oregon Climate - 97209 Weather, Average Rainfall, and Temperatures Complete climate information for Portland, Oregon. The state's largest annual snowfall on record, 903 inches (2,290 cm), occurred at Crater Lake in the Cascades in 1950. Graphical Climatology of Portland, Oregon: Daily Temperatures and Rainfall, by Year (1875 – Present) The following is a graphical climatology of Portland, Oregon temperatures and precipitation, from 1875 into 2020. The wind is most often from the west for 5.9 months, from April 6 to October 4, with a peak percentage of 57% on August 6. The warmest month in Portland International, Portland, Oregon is August with an average high temperature of 81.4°F. precipitation in. Note the image on the left and the dark green shows where the rainfall is the h… Thus, the mean temperature average on this month of february in Portland is 45°F. Average temperatures and precipitation amounts for more than 145 cities in Oregon. 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