January weather forecastEllensburg, WA
January
Weather in January
January, like December, in Ellensburg, Washington, is an icy winter month, with an average temperature varying between 34.3°F (1.3°C) and 22.6°F (-5.2°C).Temperature
January's advent denotes a minor fluctuation in the average high-temperature to a still cold 34.3°F (1.3°C) from December's 33.3°F (0.7°C). Ellensburg experiences an average temperature drop to a subzero cold 22.6°F (-5.2°C) during January nights.Humidity
The most humid month is January, with an average relative humidity of 87%.Rainfall
In January, in Ellensburg, the rain falls for 10.3 days. Throughout January, 1.22" (31mm) of precipitation is accumulated. In Ellensburg, during the entire year, the rain falls for 99.9 days and collects up to 8.66" (220mm) of precipitation.Snowfall
Months with snowfall in Ellensburg are January through April, September through December. In Ellensburg, during January, snow falls for 8.7 days and regularly aggregates up to 3.98" (101mm) of snow. Throughout the year, in Ellensburg, there are 35.4 snowfall days, and 15.59" (396mm) of snow is accumulated.Daylight
In Ellensburg, Washington, the average length of the day in January is 9h and 2min.On the first day of January, sunrise is at 7:47 am and sunset at 4:23 pm. On the last day of the month, sunrise is at 7:28 am and sunset at 5:02 pm PST.
Sunshine
The months with the least sunshine are January and December, with an average of 4.8h of sunshine.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Ellensburg, Washington. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: The maximum daily UV index of 2 during January translates into the following directions:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Ellensburg, WA
- Average high temperature in January: 34.3°F
The warmest months (with the highest average high temperature) are July and August (82°F).
The month with the lowest average high temperature is December (33.3°F).
- Average low temperature in January: 22.6°F
The month with the highest average low temperature is August (55.2°F).
The coldest month (with the lowest average low temperature) is December (21.4°F).
Average pressure in January
Ellensburg, WA
- Average pressure in January: 30.15"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is August (29.94"Hg).
Average wind speed in January
Ellensburg, WA
- Average wind speed in January: 4.5mph
The windiest month (with the highest average wind speed) is June (8.9mph).
The calmest month (with the lowest average wind speed) is December (4.2mph).
Average humidity in January
Ellensburg, WA
- Average humidity in January: 87%
The month with the highest relative humidity is January (87%).
The months with the lowest relative humidity are July and August (46%).
Average rainfall in January
Ellensburg, WA
- Average rainfall in January: 1.22"
The wettest month (with the highest rainfall) is December (1.3").
The driest month (with the least rainfall) is July (0.16").
Average rainfall days in January
Ellensburg, WA
- Average rainfall days in January: 10.3 days
The month with the highest number of rainy days is March (12.4 days).
The month with the least rainy days is August (2.8 days).
Average snowfall in January
Ellensburg, WA
- Average snowfall in January: 3.98"
The month with the highest snowfall is December (4.65").
The months with the least snowfall are May, June, July and August (0").
Average snowfall days in January
Ellensburg, WA
- Average snowfall days in January: 8.7 days
The months with the highest number of snowfall days are January and December (8.7 days).
The months with the least snowfall days are May, June, July and August (0 days).
Average daylight in January /
Average sunshine in January
Ellensburg, WA
- Average daylight in January: 9h and 0min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in January: 4h and 48min
The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The months with the least sunshine are January and December (Average sunshine: 4h and 48min).
Average sunshine days in January
Ellensburg, WA
- Average sunshine days in January: 15.2 days
The month with the most sunshine days is July (27.1 days).
The month with the least sunshine days is February (13.5 days).
Average UV index in January
Ellensburg, WA
- Average UV index in January: 2
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in January
Ellensburg, WA
- Average cloud cover in January: 48
The month with the most cloud cover is January (Cloud cover 48).
The months with the least cloud cover are July and August (Cloud cover 11).
Average visibility in January
Ellensburg, WA
- Average visibility in January: 4mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January and December (4mi).
