Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
The shift from November to December involves a decrease in the average high-temperature, from a cool 51.4°F (10.8°C) to a cold 42.3°F (5.7°C). Throughout December, Pullman anticipates an average low-temperature of 30.7°F (-0.7°C).Humidity
In Pullman, West Virginia, the average relative humidity in December is 82%.Rainfall
In Pullman, in December, it is raining for 12.8 days, with typically 3.43" (87mm) of accumulated precipitation. In Pullman, during the entire year, the rain falls for 187.2 days and collects up to 37.13" (943mm) of precipitation.Snowfall
January through April, October through December are months with snowfall. In December, in Pullman, it is snowing for 11.1 days. Throughout December, 4.02" (102mm) of snow is accumulated. Throughout the year, in Pullman, there are 51.4 snowfall days, and 21.81" (554mm) of snow is accumulated.Daylight
The month with the shortest days in Pullman is December, with an average of 9h and 30min of daylight.On the first day of December in Pullman, sunrise is at 7:24 am and sunset at 5:01 pm. On the last day of the month, sunrise is at 7:43 am and sunset at 5:11 pm EST.
Sunshine
In Pullman, the average sunshine in December is 3.8h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Pullman. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: A maximum UV index of 2 in December translates into the following recommendations:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. During bright days, sunglasses that offer UVA and UVB defense are recommended. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is it cold in Pullman during December?
What is the average humidity in December in Pullman?
How much does it rain in Pullman in December?
How many days does it snow in December in Pullman?
What is the month with the shortest days in Pullman?
What is the average length of the day in December in Pullman?
What time are sunrise and sunset in December in Pullman?
How long on average sun shines in December in Pullman?
When is the lowest UV index in Pullman?
How high is the UV index in December in Pullman?
Average temperature in December
Pullman, WV
- Average high temperature in December: 42.3°F
The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (36.7°F).
- Average low temperature in December: 30.7°F
The month with the highest average low temperature is July (62.8°F).
The coldest month (with the lowest average low temperature) is January (23.4°F).
Average pressure in December
Pullman, WV
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in December
Pullman, WV
- Average wind speed in December: 6mph
The windiest months (with the highest average wind speed) are January and February (6.6mph).
The calmest month (with the lowest average wind speed) is August (4mph).
Average humidity in December
Pullman, WV
- Average humidity in December: 82%
The months with the highest relative humidity are January and February (83%).
The months with the lowest relative humidity are June, July, August and November (77%).
Average rainfall in December
Pullman, WV
- Average rainfall in December: 3.43"
The wettest month (with the highest rainfall) is May (4.13").
The driest month (with the least rainfall) is September (2.13").
Average rainfall days in December
Pullman, WV
- Average rainfall days in December: 12.8 days
The month with the highest number of rainy days is May (20.7 days).
The month with the least rainy days is November (12.2 days).
Average snowfall in December
Pullman, WV
- Average snowfall in December: 4.02"
The month with the highest snowfall is January (5.87").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Pullman, WV
- Average snowfall days in December: 11.1 days
The month with the highest number of snowfall days is January (15.4 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Pullman, WV
- Average daylight in December: 9h and 3min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in December: 3h and 5min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).
Average sunshine days in December
Pullman, WV
- Average sunshine days in December: 10.4 days
The month with the most sunshine days is November (15.5 days).
The month with the least sunshine days is February (8.2 days).
Average UV index in December
Pullman, WV
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Pullman, WV
- Average cloud cover in December: 62
The month with the most cloud cover is January (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in December
Pullman, WV
- Average visibility in December: 5mi
The month with the highest visibility is November (6mi).
The month with the lowest visibility is January (4mi).
Pullman, West Virginia, USA
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