Average Weather in January in Chewelah Washington, United States
In Chewelah, the month of January is characterized by gradually rising daily high temperatures, with daily highs increasing by 4°F, from 32°F to 35°F over the course of the month, and rarely exceeding 44°F or dropping below 20°F.
Daily low temperatures increase by 2°F, from 22°F to 25°F, rarely falling below 7°F or exceeding 35°F.
For reference, on August 3, the hottest day of the year, temperatures in Chewelah typically range from 55°F to 89°F, while on January 1, the coldest day of the year, they range from 22°F to 32°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 Chewelah experiences essentially constant cloud cover, with the percentage of time that the sky is overcast or mostly cloudy remaining about 74% throughout the month. The highest chance of overcast or mostly cloudy conditions is 75% on January 15.
The clearest day of the month is January 30, with clear, mostly clear, or partly cloudy conditions 27% of the time.
For reference, on January 10, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 75%, while on August 3, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 78%.
Cloud Cover Categories in January
A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. In Chewelah, the chance of a wet day over the course of January is rapidly decreasing, starting the month at 30% and ending it at 24%.
For reference, the year's highest daily chance of a wet day is 37% on November 27, and its lowest chance is 8% on August 20.
Over the course of January in Chewelah, the chance of a day with only rain remains an essentially constant 13% throughout, the chance of a day with mixed snow and rain remains an essentially constant 5% throughout, and the chance of a day with only snow decreases from 12% to 7%.
Probability of Precipitation in January
The average sliding 31-day rainfall during January in Chewelah is essentially constant, remaining about 1.1 inches throughout, and rarely exceeding 2.3 inches or falling below 0.1 inches.
The lowest average 31-day accumulation is 1.1 inches on January 22.
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 Chewelah is gradually decreasing, starting the month at 0.8 inches, when it rarely exceeds 1.5 inches or falls below 0.2 inches, and ending the month at 0.5 inches, when it rarely exceeds 1.0 inches or falls below 0.1 inches.
Average Monthly Liquid-Equivalent Snowfall in January
Over the course of January in Chewelah, 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, 3 minutes, implying an average daily increase of 2 minutes, 7 seconds, and weekly increase of 14 minutes, 48 seconds.
The shortest day of the month is January 1, with 8 hours, 26 minutes of daylight and the longest day is January 31, with 9 hours, 29 minutes of daylight.
Hours of Daylight and Twilight in January
The latest sunrise of the month in Chewelah is 7:41 AM on January 1 and the earliest sunrise is 22 minutes earlier at 7:20 AM on January 31.
The earliest sunset is 4:07 PM on January 1 and the latest sunset is 42 minutes later at 4:49 PM on January 31.
Daylight saving time is observed in Chewelah during 2017, 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 4:50 AM and sets 16 hours, 5 minutes later, at 8:55 PM, while on December 21, the shortest day of the year, it rises at 7:39 AM and sets 8 hours, 20 minutes later, at 3:59 PM.
Sunrise & Sunset with Twilight in January
The chance that a given day will be muggy in Chewelah is essentially constant during January, remaining around 0% throughout.
For reference, on July 6, 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
The average hourly wind speed in Chewelah is essentially constant during January, remaining around 3.9 miles per hour throughout.
For reference, on April 18, the windiest day of the year, the daily average wind speed is 4.4 miles per hour, while on January 5, the calmest day of the year, the daily average wind speed is 3.8 miles per hour.
The lowest daily average wind speed during January is 3.8 miles per hour on January 5.
Average Wind Speed in January
Wind Direction in January
The average daily incident shortwave solar energy in Chewelah is gradually increasing during January, rising by 0.6 kWh, from 1.0 kWh to 1.6 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 Chewelah are 48.276 deg latitude, -117.716 deg longitude, and 1,795 ft elevation.
The topography within 2 miles of Chewelah contains very significant variations in elevation, with a maximum elevation change of 1,430 feet and an average elevation above sea level of 1,757 feet. Within 10 miles contains very significant variations in elevation (4,167 feet). Within 50 miles also contains extreme variations in elevation (6,007 feet).
The area within 2 miles of Chewelah is covered by sparse vegetation (47%), cropland (23%), and shrubs (19%), within 10 miles by trees (45%) and shrubs (30%), and within 50 miles by trees (47%) and shrubs (30%).
This report illustrates the typical weather in Chewelah 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 Chewelah.
For each station, the records are corrected for the elevation difference between that station and Chewelah 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 Chewelah is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between Chewelah and a given station.
The stations contributing to this reconstruction are: Deer Park Airport (68%, 40 kilometers, southeast); West Kootenay Regional Airport (20%, 94 kilometers, north); and Omak Airport (12%, 135 kilometers, west).
Time zones for aiports and weather stations are provided by AskGeo.com .