Average Weather in January in Cle Elum Washington, United States
Daily high temperatures increase by 4°F, from 34°F to 38°F, rarely falling below 23°F or exceeding 46°F.
Daily low temperatures increase by 3°F, from 25°F to 28°F, rarely falling below 13°F or exceeding 36°F.
For reference, on August 2, the hottest day of the year, temperatures in Cle Elum typically range from 57°F to 81°F, while on December 23, the coldest day of the year, they range from 25°F to 34°F.
Average High and Low Temperature in January
The figure below shows you a compact characterization of the hourly average temperatures for the quarter of the year centered on January. 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 January
The month of January in Cle Elum experiences essentially constant cloud cover, with the percentage of time that the sky is overcast or mostly cloudy remaining about 67% throughout the month. The highest chance of overcast or mostly cloudy conditions is 68% on January 16.
The clearest day of the month is January 4, with clear, mostly clear, or partly cloudy conditions 34% of the time.
For reference, on January 15, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 68%, while on August 3, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 79%.
Cloud Cover Categories in January
0% clear 20% mostly clear 40% partly cloudy 60% mostly cloudy 80% overcast 100%
A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. In Cle Elum, the chance of a wet day over the course of January is decreasing, starting the month at 46% and ending it at 40%.
For reference, the year's highest daily chance of a wet day is 52% on November 27, and its lowest chance is 6% on August 5.
Over the course of January in Cle Elum, the chance of a day with only rain increases from 15% to 21%, the chance of a day with mixed snow and rain decreases from 14% to 11%, and the chance of a day with only snow decreases from 17% to 8%.
Probability of Precipitation in January
The average sliding 31-day rainfall during January in Cle Elum is essentially constant, remaining about 2.8 inches throughout, and rarely exceeding 5.4 inches or falling below 0.5 inches.
Average Monthly Rainfall in January
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 January in Cle Elum is decreasing, starting the month at 2.1 inches, when it rarely exceeds 4.2 inches or falls below 0.3 inches, and ending the month at 1.3 inches, when it rarely exceeds 2.9 inches or falls below 0.1 inches.
Average Monthly Liquid-Equivalent Snowfall in January
Over the course of January in Cle Elum, 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, 0 minutes, implying an average daily increase of 2 minutes, 0 seconds, and weekly increase of 14 minutes, 2 seconds.
The shortest day of the month is January 1, with 8 hours, 34 minutes of daylight and the longest day is January 31, with 9 hours, 35 minutes of daylight.
Hours of Daylight and Twilight in January
The latest sunrise of the month in Cle Elum is 7:50 AM on January 1 and the earliest sunrise is 20 minutes earlier at 7:30 AM on January 31.
The earliest sunset is 4:24 PM on January 1 and the latest sunset is 40 minutes later at 5:04 PM on January 31.
Daylight saving time is observed in Cle Elum during 2018, but it neither starts nor ends during January, so the entire month is in standard time.
For reference, on June 21, the longest day of the year, the Sun rises at 5:07 AM and sets 15 hours, 56 minutes later, at 9:03 PM, while on December 21, the shortest day of the year, it rises at 7:47 AM and sets 8 hours, 29 minutes later, at 4:16 PM.
Sunrise & Sunset with Twilight in January
The chance that a given day will be muggy in Cle Elum is essentially constant during January, remaining around 0% throughout.
For reference, on August 2, 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 January
dry 55°F comfortable 60°F humid 65°F muggy 70°F oppressive 75°F miserable
The average hourly wind speed in Cle Elum is essentially constant during January, remaining within 0.1 miles per hour of 4.6 miles per hour throughout.
For reference, on June 8, the windiest day of the year, the daily average wind speed is 5.2 miles per hour, while on October 7, the calmest day of the year, the daily average wind speed is 4.3 miles per hour.
Average Wind Speed in January
Wind Direction in January
Cle Elum is located near a large body of water (e.g., ocean, sea, or large lake). This section reports on the wide-area average surface temperature of that water.
The average surface water temperature in Cle Elum is essentially constant during January, remaining around 47°F throughout.
Average Water Temperature in January
The growing season in Cle Elum typically lasts for 5.9 months (179 days), from around April 24 to around October 20, rarely starting before April 2 or after May 14, and rarely ending before September 30 or after November 9.
The month of January in Cle Elum is reliably fully outside of the growing season.
Time Spent in Various Temperature Bands and the Growing Season in January
The average accumulated growing degree days in Cle Elum are essentially constant during January, remaining around 0°F throughout.
Growing Degree Days in January
The average daily incident shortwave solar energy in Cle Elum is gradually increasing during January, rising by 0.6 kWh, from 1.1 kWh to 1.8 kWh, over the course of the month.
Average Daily Incident Shortwave Solar Energy in January
For the purposes of this report, the geographical coordinates of Cle Elum are 47.195 deg latitude, -120.939 deg longitude, and 2,152 ft elevation.
The topography within 2 miles of Cle Elum contains very significant variations in elevation, with a maximum elevation change of 1,230 feet and an average elevation above sea level of 2,137 feet. Within 10 miles contains very significant variations in elevation (4,140 feet). Within 50 miles also contains extreme variations in elevation (14,288 feet).
The area within 2 miles of Cle Elum is covered by shrubs (87%), within 10 miles by shrubs (53%) and trees (42%), and within 50 miles by trees (44%) and shrubs (42%).
This report illustrates the typical weather in Cle Elum 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 Cle Elum.
For each station, the records are corrected for the elevation difference between that station and Cle Elum 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 Cle Elum is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between Cle Elum and a given station.
Time zones for aiports and weather stations are provided by AskGeo.com .