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
As December transitions into January, the average high-temperature in Pullman rests at a still icy 35.8°F (2.1°C), maintaining a close resemblance to the previous month. During January, Pullman witnesses a consistent average low-temperature of 25.9°F (-3.4°C).Humidity
The most humid month in Pullman is January, with an average relative humidity of 86%.Rainfall
The month with the most rainfall is January, when the rain falls for 9.9 days and typically aggregates up to 2.2" (56mm) of precipitation.Snowfall
January through May, September through December are months with snowfall. In Pullman, in January, during 12.1 snowfall days, 9.33" (237mm) of snow is typically accumulated. Throughout the year, in Pullman, there are 53.7 snowfall days, and 37.44" (951mm) of snow is accumulated.Daylight
In January, the average length of the day is 9h and 4min.On the first day of the month, sunrise is at 7:33 am and sunset at 4:11 pm. On the last day of January, in Pullman, sunrise is at 7:14 am and sunset at 4:50 pm PST.
Sunshine
The months with the least sunshine in Pullman are January, February and December, with an average of 4.7h of sunshine.UV index
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for the average person.Note: An average UV index of 2 in January transforms into this advice:
Extended exposure to the sun should always be avoided by children, infants, and those with sensitive skin. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Keep in mind! Snow's reflective quality 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
How cold is it in Pullman in January?
What is the most humid month in Pullman?
What is the average humidity in January in Pullman?
What is the wettest month in Pullman?
How many days does it rain in January in Pullman?
How many days does it snow in January in Pullman?
How many hours of daylight does Pullman have in January?
What time are sunrise and sunset in January in Pullman?
What is the month with the least sunshine in Pullman?
How many hours of sunshine does Pullman have in January?
What is the month with the lowest UV index in Pullman?
What is the UV index reading in January in Pullman?
Average temperature in January
Pullman, WA
- Average high temperature in January: 35.8°F
The warmest month (with the highest average high temperature) is August (83.7°F).
The month with the lowest average high temperature is December (34.3°F).
- Average low temperature in January: 25.9°F
The month with the highest average low temperature is August (58.6°F).
The coldest month (with the lowest average low temperature) is December (24.1°F).
Average pressure in January
Pullman, 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
Pullman, WA
- Average wind speed in January: 6.3mph
The windiest months (with the highest average wind speed) are March and April (6.7mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in January
Pullman, WA
- Average humidity in January: 86%
The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is August (39%).
Average rainfall in January
Pullman, WA
- Average rainfall in January: 2.2"
The wettest month (with the highest rainfall) is January (2.2").
The driest months (with the least rainfall) are July and August (0.47").
Average rainfall days in January
Pullman, WA
- Average rainfall days in January: 9.9 days
The month with the highest number of rainy days is March (15.4 days).
The months with the least rainy days are July and August (5.8 days).
Average snowfall in January
Pullman, WA
- Average snowfall in January: 9.33"
The month with the highest snowfall is February (10.04").
The months with the least snowfall are June, July and August (0").
Average snowfall days in January
Pullman, WA
- Average snowfall days in January: 12.1 days
The month with the highest number of snowfall days is December (12.9 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in January /
Average sunshine in January
Pullman, WA
- Average daylight in January: 9h and 1min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in January: 4h and 4min
The month with the most sunshine is August (Average sunshine: 12h and 6min).
The months with the least sunshine are January, February and December (Average sunshine: 4h and 42min).
Average sunshine days in January
Pullman, WA
- Average sunshine days in January: 13.3 days
The month with the most sunshine days is July (23.4 days).
The month with the least sunshine days is February (10.2 days).
Average UV index in January
Pullman, 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, March, November and December (UV index 2).
Average cloud cover in January
Pullman, WA
- Average cloud cover in January: 52
The months with the most cloud cover are January and February (Cloud cover 52).
The months with the least cloud cover are July and August (Cloud cover 12).
Average visibility in January
Pullman, 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).
Pullman, Washington, USA
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