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
Asotin's weather in January indicates an average high-temperature of a still wintry 37.4°F (3°C), nearly consistent with the 35.8°F (2.1°C) of December. The average low-temperature during January nights is a freezing cold 26.6°F (-3°C).Humidity
With an average relative humidity of 84%, January is the most humid month.Rainfall
In January, in Asotin, the rain falls for 9.9 days. Throughout January, 0.79" (20mm) of precipitation is accumulated. Throughout the year, there are 112.5 rainfall days, and 9.09" (231mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In Asotin, during January, snow falls for 4 days and regularly aggregates up to 1.1" (28mm) of snow. In Asotin, during the entire year, snow falls for 20 days and aggregates up to 6.02" (153mm) of snow.Daylight
In January, the average length of the day is 9h and 6min.On the first day of January, sunrise is at 7:31 am and sunset at 4:12 pm. On the last day of the month, sunrise is at 7:12 am and sunset at 4:50 pm PST.
Sunshine
The months with the least sunshine are January and February, with an average of 5.2h of sunshine.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: In January, the maximum UV index of 2 suggests this advice:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is January?
What is the most humid month?
What is the average humidity in January?
How much does it rain in January?
How much does it snow in January?
What is the average length of the day in January?
What time are sunrise and sunset in January?
What are the months with the least sunshine?
How long on average sun shines in January?
When is the lowest UV index?
What is the UV index intensity in January?
Average temperature in January
Asotin, WA
- Average high temperature in January: 37.4°F
The warmest month (with the highest average high temperature) is August (85.1°F).
The month with the lowest average high temperature is December (35.8°F).
- Average low temperature in January: 26.6°F
The month with the highest average low temperature is August (59.2°F).
The coldest month (with the lowest average low temperature) is December (24.3°F).
Average pressure in January
Asotin, 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 (29.91"Hg).
Average wind speed in January
Asotin, WA
- Average wind speed in January: 5.1mph
The windiest month (with the highest average wind speed) is April (5.7mph).
The calmest months (with the lowest average wind speed) are August and September (4.2mph).
Average humidity in January
Asotin, WA
- Average humidity in January: 84%
The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is August (39%).
Average rainfall in January
Asotin, WA
- Average rainfall in January: 0.79"
The wettest month (with the highest rainfall) is May (1.3").
The driest month (with the least rainfall) is August (0.31").
Average rainfall days in January
Asotin, WA
- Average rainfall days in January: 9.9 days
The month with the highest number of rainy days is April (13.8 days).
The month with the least rainy days is August (4.7 days).
Average snowfall in January
Asotin, WA
- Average snowfall in January: 1.1"
The month with the highest snowfall is February (2.2").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Asotin, WA
- Average snowfall days in January: 4 days
The month with the highest number of snowfall days is December (6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Asotin, WA
- Average daylight in January: 9h and 1min
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 1min
The month with the most sunshine is August (Average sunshine: 12h and 6min).
The months with the least sunshine are January and February (Average sunshine: 5h and 12min).
Average sunshine days in January
Asotin, WA
- Average sunshine days in January: 17.7 days
The months with the most sunshine days are July and September (23.5 days).
The months with the least sunshine days are February and April (13.8 days).
Average UV index in January
Asotin, 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
Asotin, WA
- Average cloud cover in January: 46
The month with the most cloud cover is February (Cloud cover 48).
The months with the least cloud cover are July and August (Cloud cover 12).
Average visibility in January
Asotin, WA
- Average visibility in January: 5mi
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, February and December (5mi).
Asotin, Washington, USA
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