January weather forecastBrier, WA
January
Weather in January
January, like December, is another chilly winter month in Brier, Washington, with an average temperature ranging between min 37°F (2.8°C) and max 45.1°F (7.3°C).Temperature
The transition from December to January sees average high-temperatures adjusting to a still frosty 45.1°F (7.3°C), from a not significantly different 43.3°F (6.3°C). Brier sustains a near constant temperature throughout January, with nighttime averages of 37°F (2.8°C).Humidity
January, February and December, with an average relative humidity of 84%, are the most humid months.Rainfall
In Brier, in January, during 17.4 rainfall days, 3.31" (84mm) of precipitation is typically accumulated. In Brier, during the entire year, the rain falls for 173 days and collects up to 25" (635mm) of precipitation.Snowfall
January through April, November and December are months with snowfall. In Brier, Washington, during January, snow falls for 2.3 days and regularly aggregates up to 1.18" (30mm) of snow. In Brier, during the entire year, snow falls for 12.5 days and aggregates up to 6.65" (169mm) of snow.Daylight
In Brier, the average length of the day in January is 8h and 56min.On the first day of January, sunrise is at 7:57 am and sunset at 4:27 pm. On the last day of the month, sunrise is at 7:37 am and sunset at 5:07 pm PST.
Sunshine
The month with the least sunshine is January, with an average of 4.5h of sunshine.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV rays for ordinary individuals.Note: The average daily UV index of 2 in January transforms into the following instructions:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. To protect against the Sun's most potent rays, avoid direct exposure around midday. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Brier, WA
- Average high temperature in January: 45.1°F
The warmest month (with the highest average high temperature) is August (73.9°F).
The month with the lowest average high temperature is December (43.3°F).
- Average low temperature in January: 37°F
The month with the highest average low temperature is August (54.1°F).
The coldest month (with the lowest average low temperature) is December (35.8°F).
Average pressure in January
Brier, WA
- Average pressure in January: 30.09"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The months with the lowest atmospheric pressure are March, August and September (30.01"Hg).
Average wind speed in January
Brier, WA
- Average wind speed in January: 5.8mph
The windiest month (with the highest average wind speed) is November (5.9mph).
The calmest month (with the lowest average wind speed) is August (3.5mph).
Average humidity in January
Brier, WA
- Average humidity in January: 84%
The months with the highest relative humidity are January, February and December (84%).
The month with the lowest relative humidity is July (72%).
Average rainfall in January
Brier, WA
- Average rainfall in January: 3.31"
The wettest month (with the highest rainfall) is December (3.5").
The driest month (with the least rainfall) is July (0.39").
Average rainfall days in January
Brier, WA
- Average rainfall days in January: 17.4 days
The month with the highest number of rainy days is March (19.8 days).
The month with the least rainy days is August (6.8 days).
Average snowfall in January
Brier, WA
- Average snowfall in January: 1.18"
The month with the highest snowfall is February (3.58").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in January
Brier, WA
- Average snowfall days in January: 2.3 days
The month with the highest number of snowfall days is February (4.7 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in January /
Average sunshine in January
Brier, WA
- Average daylight in January: 8h and 54min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in January: 4h and 30min
The month with the most sunshine is August (Average sunshine: 10h and 48min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).
Average sunshine days in January
Brier, WA
- Average sunshine days in January: 10.5 days
The month with the most sunshine days is August (22.5 days).
The month with the least sunshine days is November (9.2 days).
Average UV index in January
Brier, WA
- Average UV index in January: 2
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in January
Brier, WA
- Average cloud cover in January: 53
The months with the most cloud cover are January and December (Cloud cover 53).
The month with the least cloud cover is August (Cloud cover 25).
Average visibility in January
Brier, WA
- Average visibility in January: 5mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).





