Contents
- Weather in January
- Frequently asked questions
- Average temperature in January
- Average pressure in January
- Average wind speed in January
- Average humidity in January
- Average rainfall in January
- Average rainfall days in January
- Average snowfall in January
- Average snowfall days in January
- Average daylight in January
- Average sunshine in January
- Average sunshine days in January
- Average UV index in January
- Average cloud cover in January
- Average visibility in January
Weather in January
Temperature
With the start of January, Chiwaukum measures an average high-temperature of a still subzero cold 31.5°F (-0.3°C), not significantly differing from December's 30.6°F (-0.8°C). Throughout the month of January, Chiwaukum observes an average nighttime 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 is January, when the rain falls for 14.7 days and typically aggregates up to 4.33" (110mm) of precipitation.Snowfall
Months with snowfall are January through May, September through December. January is the month with the most snowfall in Chiwaukum. 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 January in Chiwaukum, sunrise is at 7:51 am and sunset at 4:21 pm. On the last day of the month, sunrise is at 7:30 am and sunset at 5:01 pm PST.
Sunshine
January has the least sunshine of the year in Chiwaukum, with an average of 4.1h of sunshine.UV index
The months with the lowest UV index in Chiwaukum are January and February, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 1 during January translates into the following directions:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. When the Sun is at its strongest around midday, find shade and limit exposure. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
Frequently asked questions
How cold is January in Chiwaukum?
What is the most humid month in Chiwaukum?
What is the average humidity in January in Chiwaukum?
What is the rainiest month in Chiwaukum?
How many days does it rain in January in Chiwaukum?
What is the snowiest month in Chiwaukum?
How much does it snow in Chiwaukum in January?
How many hours of daylight does Chiwaukum have in January?
When are sunrise and sunset in January in Chiwaukum?
What is the month with the least sunshine in Chiwaukum?
How many hours of sunshine does Chiwaukum have in January?
When is the lowest UV index in Chiwaukum?
How high is the UV index in January in Chiwaukum?
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 5min
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 1min
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).
Chiwaukum, Washington, USA
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