January weather forecastChiwaukum, WA
January
Weather in January
January, the same as December, in Chiwaukum, Washington, is a freezing cold winter month, with an average temperature varying between 31.5°F (-0.3°C) and 18.9°F (-7.3°C).Temperature
Chiwaukum experiences an average high-temperature of a still subzero cold 31.5°F (-0.3°C) in January, marking an insignificant shift from 30.6°F (-0.8°C) in December. Throughout January nights, Chiwaukum registers an average low-temperature of 18.9°F (-7.3°C).Humidity
The most humid month is January, with an average relative humidity of 92%.Rainfall
The month with the most rainfall in Chiwaukum is January, when the rain falls for 14.7 days and typically aggregates up to 4.33" (110mm) of precipitation.Snowfall
January through May, September through December are months with snowfall. January is the month with the most snowfall. Snow falls for 14.7 days and accumulates 16.73" (425mm) of snow.Daylight
In January, the average length of the day is 8h and 57min.On the first day of the month, sunrise is at 7:51 am and sunset at 4:21 pm. On the last day of January, in Chiwaukum, Washington, sunrise is at 7:30 am and sunset at 5:01 pm PST.
Sunshine
The month with the least sunshine is January, with an average of 4.1h of sunshine.UV index
January and February, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for the average person.Note: In January, an average UV index of 1 transforms into the following instructions:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. When the Sun is at its strongest around midday, find shade and limit exposure. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Chiwaukum, WA
- Average high temperature in January: 31.5°F
The warmest month (with the highest average high temperature) is August (77.5°F).
The month with the lowest average high temperature is December (30.6°F).
- Average low temperature in January: 18.9°F
The month with the highest average low temperature is August (49.6°F).
The coldest month (with the lowest average low temperature) is December (18.7°F).
Average pressure in January
Chiwaukum, WA
- Average pressure in January: 30.14"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is August (29.95"Hg).
Average wind speed in January
Chiwaukum, WA
- Average wind speed in January: 3.7mph
The windiest month (with the highest average wind speed) is June (5.7mph).
The calmest month (with the lowest average wind speed) is December (3.5mph).
Average humidity in January
Chiwaukum, WA
- Average humidity in January: 92%
The month with the highest relative humidity is January (92%).
The months with the lowest relative humidity are July and August (56%).
Average rainfall in January
Chiwaukum, WA
- Average rainfall in January: 4.33"
The wettest month (with the highest rainfall) is January (4.33").
The driest month (with the least rainfall) is July (0.43").
Average rainfall days in January
Chiwaukum, WA
- Average rainfall days in January: 14.7 days
The month with the highest number of rainy days is March (18.2 days).
The month with the least rainy days is August (6.3 days).
Average snowfall in January
Chiwaukum, WA
- Average snowfall in January: 16.73"
The month with the highest snowfall is January (16.73").
The months with the least snowfall are June, July and August (0").
Average snowfall days in January
Chiwaukum, WA
- Average snowfall days in January: 14.7 days
The month with the highest number of snowfall days is December (17 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in January /
Average sunshine in January
Chiwaukum, 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 6min
The month with the most sunshine is August (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in January
Chiwaukum, WA
- Average sunshine days in January: 9.3 days
The month with the most sunshine days is August (21.9 days).
The month with the least sunshine days is February (6.8 days).
Average UV index in January
Chiwaukum, WA
- Average UV index in January: 1
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and February (UV index 1).
Average cloud cover in January
Chiwaukum, WA
- Average cloud cover in January: 56
The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 15).
Average visibility in January
Chiwaukum, WA
- Average visibility in January: 4mi
The months with the highest visibility are April, May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February, March, November and December (4mi).
