Average Weather in November in Union Oregon, United States
Daily high temperatures decrease by 13°F, from 53°F to 40°F, rarely falling below 31°F or exceeding 64°F.
Daily low temperatures decrease by 6°F, from 35°F to 28°F, rarely falling below 15°F or exceeding 46°F.
For reference, on August 2, the hottest day of the year, temperatures in Union typically range from 52°F to 88°F, while on December 23, the coldest day of the year, they range from 24°F to 36°F.
Average High and Low Temperature in November
The figure below shows you a compact characterization of the hourly average temperatures for the quarter of the year centered on November. The horizontal axis is the day, the vertical axis is the hour of the day, and the color is the average temperature for that hour and day.
Average Hourly Temperature in November
The month of November in Union experiences increasing cloud cover, with the percentage of time that the sky is overcast or mostly cloudy increasing from 57% to 66%.
The clearest day of the month is November 1, with clear, mostly clear, or partly cloudy conditions 43% of the time.
For reference, on January 16, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 67%, while on July 29, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 82%.
Cloud Cover Categories in November
A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. In Union, the chance of a wet day over the course of November is very rapidly increasing, starting the month at 24% and ending it at 33%.
For reference, the year's highest daily chance of a wet day is 34% on November 28, and its lowest chance is 7% on August 2.
Over the course of November in Union, the chance of a day with only rain increases from 23% to 26%, the chance of a day with mixed snow and rain increases from 1% to 4%, and the chance of a day with only snow increases from 0% to 3%.
Probability of Precipitation in November
The average sliding 31-day rainfall during November in Union is gradually increasing, starting the month at 1.5 inches, when it rarely exceeds 2.3 inches or falls below 0.6 inches, and ending the month at 1.8 inches, when it rarely exceeds 3.2 inches or falls below 0.6 inches.
The highest average 31-day accumulation is 1.8 inches on November 23.
Average Monthly Rainfall in November
We report snowfall in liquid-equivalent terms. The actual depth of new snowfall is typically between 5 and 10 times the liquid-equivalent amount, assuming the ground is frozen. As with rainfall, we consider the liquid-equivalent snowfall accumulated over a sliding 31-day period centered around each day.
The average sliding 31-day liquid-equivalent snowfall during November in Union is gradually increasing, starting the month at 0.0 inches, when it rarely exceeds 0.2 inches or falls below -0.0 inches, and ending the month at 0.3 inches, when it rarely exceeds 0.8 inches.
Average Monthly Liquid-Equivalent Snowfall in November
Over the course of November in Union, the length of the day is rapidly decreasing. From the start to the end of the month, the length of the day decreases by 1 hour, 7 minutes, implying an average daily decrease of 2 minutes, 18 seconds, and weekly decrease of 16 minutes, 4 seconds.
The shortest day of the month is November 30, with 9 hours, 2 minutes of daylight and the longest day is November 1, with 10 hours, 8 minutes of daylight.
Hours of Daylight and Twilight in November
The latest sunrise of the month in Union is 7:33 AM on November 3 and the earliest sunrise is 59 minutes earlier at 6:34 AM on November 4.
The latest sunset is 5:38 PM on November 1 and the earliest sunset is 1 hour, 28 minutes earlier at 4:10 PM on November 30.
Daylight saving time (DST) ends at 1:00 AM on November 4, 2018, shifting sunrise and sunset to be an hour earlier.
For reference, on June 21, the longest day of the year, the Sun rises at 5:03 AM and sets 15 hours, 39 minutes later, at 8:42 PM, while on December 21, the shortest day of the year, it rises at 7:27 AM and sets 8 hours, 44 minutes later, at 4:11 PM.
Sunrise & Sunset with Twilight and Daylight Saving Time in November
The chance that a given day will be muggy in Union is essentially constant during November, remaining around 0% throughout.
For reference, on July 5, the muggiest day of the year, there are muggy conditions 0% of the time, while on January 1, the least muggy day of the year, there are muggy conditions 0% of the time.
Humidity Comfort Levels in November
The average hourly wind speed in Union is gradually increasing during November, increasing from 5.6 miles per hour to 6.5 miles per hour over the course of the month.
For reference, on December 30, the windiest day of the year, the daily average wind speed is 6.7 miles per hour, while on August 11, the calmest day of the year, the daily average wind speed is 4.3 miles per hour.
Average Wind Speed in November
Wind Direction in November
The growing season in Union typically lasts for 4.5 months (138 days), from around May 9 to around September 24, rarely starting before April 22 or after May 28, and rarely ending before September 7 or after October 13.
The month of November in Union is reliably fully outside of the growing season.
Time Spent in Various Temperature Bands and the Growing Season in November
The average accumulated growing degree days in Union are essentially constant during November, remaining within 9°F of 2,171°F throughout.
Growing Degree Days in November
The average daily incident shortwave solar energy in Union is gradually decreasing during November, falling by 1.0 kWh, from 2.5 kWh to 1.5 kWh, over the course of the month.
Average Daily Incident Shortwave Solar Energy in November
For the purposes of this report, the geographical coordinates of Union are 45.208 deg latitude, -117.865 deg longitude, and 2,874 ft elevation.
The topography within 2 miles of Union contains very significant variations in elevation, with a maximum elevation change of 873 feet and an average elevation above sea level of 2,866 feet. Within 10 miles contains very significant variations in elevation (4,436 feet). Within 50 miles also contains extreme variations in elevation (8,520 feet).
The area within 2 miles of Union is covered by cropland (59%), grassland (22%), and shrubs (16%), within 10 miles by shrubs (42%) and cropland (27%), and within 50 miles by shrubs (48%) and trees (34%).
This report illustrates the typical weather in Union year round, based on a statistical analysis of historical hourly weather reports and model reconstructions from January 1, 1980 to December 31, 2016.
Temperature and Dew Point
There are 3 weather stations near enough to contribute to our estimation of the temperature and dew point in Union.
For each station, the records are corrected for the elevation difference between that station and Union according to the International Standard Atmosphere , and by the relative change present in the MERRA-2 satellite-era reanalysis between the two locations.
The estimated value at Union is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between Union and a given station.
The stations contributing to this reconstruction are: La Grande Municipal Airport (82%, 13 kilometers, northwest); Baker Municipal Airport (16%, 41 kilometers, south); and Idaho County Airport (2.2%, 158 kilometers, northeast).
Time zones for aiports and weather stations are provided by AskGeo.com .