January weather forecastCollege Place, WA
January
Weather in January
January, like December, in College Place, Washington, is another cold winter month, with an average temperature fluctuating between 38.8°F (3.8°C) and 28°F (-2.2°C).Temperature
The onset of January brings with it an average high-temperature of a still wintry 38.8°F (3.8°C), showing a negligible variation from the month before. College Place reports a consistent average low-temperature of 28°F (-2.2°C) throughout January nights.Humidity
With an average relative humidity of 81%, January is the most humid month.Rainfall
In College Place, during January, the rain falls for 14.3 days and regularly aggregates up to 1.73" (44mm) of precipitation. Throughout the year, there are 141.7 rainfall days, and 15.12" (384mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, September, November and December. In College Place, Washington, in January, snow falls for 4.3 days, with typically accumulated 2.13" (54mm) of snow. In College Place, Washington, during the entire year, snow falls for 21.1 days and aggregates up to 9.09" (231mm) of snow.Daylight
In January, the average length of the day is 9h and 8min.On the first day of January, sunrise is at 7:35 am and sunset at 4:18 pm. On the last day of the month, sunrise is at 7:17 am and sunset at 4:56 pm PST.
Sunshine
The month with the least sunshine is January, with an average of 5.3h of sunshine.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in College Place, Washington. A UV Index estimate of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: The daily high UV index of 2 in January translates into this advice:
Babies, children, and individuals with sensitive skin should always have protection against extended sun exposure. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
College Place, WA
- Average high temperature in January: 38.8°F
The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is December (37.4°F).
- Average low temperature in January: 28°F
The month with the highest average low temperature is August (60.8°F).
The coldest month (with the lowest average low temperature) is December (27°F).
Average pressure in January
College Place, WA
- Average pressure in January: 30.2"Hg
The month with the highest atmospheric pressure is January (30.2"Hg).
The month with the lowest atmospheric pressure is August (29.9"Hg).
Average wind speed in January
College Place, WA
- Average wind speed in January: 6.3mph
The windiest month (with the highest average wind speed) is April (7.9mph).
The calmest month (with the lowest average wind speed) is September (5.9mph).
Average humidity in January
College Place, WA
- Average humidity in January: 81%
The month with the highest relative humidity is January (81%).
The month with the lowest relative humidity is August (39%).
Average rainfall in January
College Place, WA
- Average rainfall in January: 1.73"
The wettest month (with the highest rainfall) is March (2.01").
The driest month (with the least rainfall) is July (0.35").
Average rainfall days in January
College Place, WA
- Average rainfall days in January: 14.3 days
The month with the highest number of rainy days is March (17.4 days).
The month with the least rainy days is July (4.9 days).
Average snowfall in January
College Place, WA
- Average snowfall in January: 2.13"
The month with the highest snowfall is February (2.91").
The months with the least snowfall are May, June, July, August and October (0").
Average snowfall days in January
College Place, WA
- Average snowfall days in January: 4.3 days
The months with the highest number of snowfall days are February and December (6.1 days).
The months with the least snowfall days are May, June, July and August (0 days).
Average daylight in January /
Average sunshine in January
College Place, WA
- Average daylight in January: 9h and 6min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in January: 5h and 18min
The month with the most sunshine is August (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 5h and 18min).
Average sunshine days in January
College Place, WA
- Average sunshine days in January: 12.8 days
The month with the most sunshine days is July (24.4 days).
The month with the least sunshine days is February (10 days).
Average UV index in January
College Place, WA
- Average UV index in January: 2
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in January
College Place, WA
- Average cloud cover in January: 44
The months with the most cloud cover are January, February and December (Cloud cover 44).
The months with the least cloud cover are July and August (Cloud cover 10).
Average visibility in January
College Place, WA
- Average visibility in January: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).





