Average Weather in February in La Grande Oregon, United States
Daily high temperatures increase by 7°F, from 40°F to 48°F, rarely falling below 31°F or exceeding 57°F.
Daily low temperatures increase by 3°F, from 27°F to 30°F, rarely falling below 13°F or exceeding 41°F.
For reference, on August 2, the hottest day of the year, temperatures in La Grande typically range from 52°F to 87°F, while on December 23, the coldest day of the year, they range from 25°F to 37°F.
Average High and Low Temperature in February
The figure below shows you a compact characterization of the hourly average temperatures for the quarter of the year centered on February. 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 February
The month of February in La Grande experiences essentially constant cloud cover, with the percentage of time that the sky is overcast or mostly cloudy remaining about 64% throughout the month.
The clearest day of the month is February 16, with clear, mostly clear, or partly cloudy conditions 37% of the time.
For reference, on January 16, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 66%, 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 February
A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. In La Grande, the chance of a wet day over the course of February is gradually increasing, starting the month at 26% and ending it at 29%.
For reference, the year's highest daily chance of a wet day is 35% on November 28, and its lowest chance is 7% on August 4.
Over the course of February in La Grande, the chance of a day with only rain increases from 19% to 25%, the chance of a day with mixed snow and rain remains an essentially constant 3% throughout, and the chance of a day with only snow decreases from 3% to 1%.
Probability of Precipitation in February
The average sliding 31-day rainfall during February in La Grande is essentially constant, remaining about 1.3 inches throughout, and rarely exceeding 2.4 inches or falling below 0.3 inches.
The lowest average 31-day accumulation is 1.3 inches on February 4.
Average Monthly Rainfall in February
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 February in La Grande is essentially constant, remaining about 0.2 inches throughout, and rarely exceeding 0.8 inches or falling to 0.0 inches.
Average Monthly Liquid-Equivalent Snowfall in February
Over the course of February in La Grande, the length of the day is rapidly increasing. From the start to the end of the month, the length of the day increases by 1 hour, 19 minutes, implying an average daily increase of 2 minutes, 56 seconds, and weekly increase of 20 minutes, 34 seconds.
The shortest day of the month is February 1, with 9 hours, 47 minutes of daylight and the longest day is February 28, with 11 hours, 6 minutes of daylight.
Hours of Daylight and Twilight in February
The latest sunrise of the month in La Grande is 7:12 AM on February 1 and the earliest sunrise is 41 minutes earlier at 6:32 AM on February 28.
The earliest sunset is 4:59 PM on February 1 and the latest sunset is 39 minutes later at 5:38 PM on February 28.
Daylight saving time is observed in La Grande during 2018, but it neither starts nor ends during February, so the entire month is in standard time.
For reference, on June 21, the longest day of the year, the Sun rises at 5:04 AM and sets 15 hours, 40 minutes later, at 8:44 PM, while on December 21, the shortest day of the year, it rises at 7:28 AM and sets 8 hours, 44 minutes later, at 4:12 PM.
Sunrise & Sunset with Twilight and Daylight Saving Time in February
The chance that a given day will be muggy in La Grande is essentially constant during February, 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 February
The average hourly wind speed in La Grande is gradually decreasing during February, decreasing from 7.6 miles per hour to 6.8 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 7.9 miles per hour, while on August 11, the calmest day of the year, the daily average wind speed is 4.9 miles per hour.
Average Wind Speed in February
Wind Direction in February
The growing season in La Grande typically lasts for 4.5 months (137 days), from around May 10 to around September 24, rarely starting before April 22 or after May 30, and rarely ending before September 6 or after October 13.
The month of February in La Grande is reliably fully outside of the growing season.
Time Spent in Various Temperature Bands and the Growing Season in February
The average accumulated growing degree days in La Grande are essentially constant during February, remaining within 2°F of 3°F throughout.
Growing Degree Days in February
The average daily incident shortwave solar energy in La Grande is gradually increasing during February, rising by 1.0 kWh, from 2.1 kWh to 3.1 kWh, over the course of the month.
Average Daily Incident Shortwave Solar Energy in February
For the purposes of this report, the geographical coordinates of La Grande are 45.325 deg latitude, -118.088 deg longitude, and 2,841 ft elevation.
The topography within 2 miles of La Grande contains very significant variations in elevation, with a maximum elevation change of 1,263 feet and an average elevation above sea level of 2,932 feet. Within 10 miles contains very significant variations in elevation (3,428 feet). Within 50 miles also contains extreme variations in elevation (9,160 feet).
The area within 2 miles of La Grande is covered by shrubs (41%), cropland (24%), artificial surfaces (22%), and grassland (13%), within 10 miles by shrubs (47%) and cropland (34%), and within 50 miles by shrubs (45%) and trees (33%).
This report illustrates the typical weather in La Grande 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 2 weather stations near enough to contribute to our estimation of the temperature and dew point in La Grande.
For each station, the records are corrected for the elevation difference between that station and La Grande 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 La Grande is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between La Grande and a given station.
Time zones for aiports and weather stations are provided by AskGeo.com .