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
A modest decline in the average high-temperature is seen during December, decreasing from a comfortable 61.7°F (16.5°C) in November to a cool 52.9°F (11.6°C). December brings Pullman a consistent average low-temperature of 37.4°F (3°C).Humidity
In December, the average relative humidity is 78%.Rainfall
In Pullman, in December, during 9.5 rainfall days, 2.32" (59mm) of precipitation is typically accumulated. In Pullman, during the entire year, the rain falls for 136.7 days and collects up to 26.18" (665mm) of precipitation.Snowfall
January through March and December are months with snowfall. December is the first month it typically snows. Throughout December, in the average 0.3 snowfall days, it receives 0.08" (2mm) of snow. Throughout the year, there are 2.6 snowfall days, and 0.94" (24mm) of snow is accumulated.Daylight
With an average of 9h and 54min of daylight, December has the shortest days of the year in Pullman.On the first day of December, sunrise is at 7:05 am and sunset at 5:07 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 5:18 pm CST.
Sunshine
The month with the least sunshine is December, with an average of 5.2h of sunshine.UV index
The month with the lowest UV index is December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for the average person.Note: In December, a regular UV index of 2 translates into these guidelines:
While most can endure approximately an hour in the sun without burning, children always require protection from sunlight. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
Frequently asked questions
What is the average December temperature in Pullman?
What is the average humidity in December in Pullman?
How many days does it rain in December in Pullman?
When does it start snowing in Pullman?
What is the month with the shortest days in Pullman?
How many hours of daylight does Pullman have in December?
What time are sunrise and sunset in December in Pullman?
What is the month with the least sunshine in Pullman?
How many hours of sunshine does Pullman have in December?
When is the lowest UV index in Pullman?
How high is the UV index in December in Pullman?
Average temperature in December
Pullman, AR
- Average high temperature in December: 52.9°F
The warmest month (with the highest average high temperature) is July (93.4°F).
The month with the lowest average high temperature is January (51.3°F).
- Average low temperature in December: 37.4°F
The month with the highest average low temperature is July (72°F).
The coldest month (with the lowest average low temperature) is January (34.3°F).
Average pressure in December
Pullman, AR
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Pullman, AR
- Average wind speed in December: 6mph
The windiest month (with the highest average wind speed) is April (7.5mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in December
Pullman, AR
- Average humidity in December: 78%
The month with the highest relative humidity is February (79%).
The month with the lowest relative humidity is August (68%).
Average rainfall in December
Pullman, AR
- Average rainfall in December: 2.32"
The wettest month (with the highest rainfall) is May (3.98").
The driest month (with the least rainfall) is September (1.34").
Average rainfall days in December
Pullman, AR
- Average rainfall days in December: 9.5 days
The month with the highest number of rainy days is July (13.7 days).
The month with the least rainy days is January (8.5 days).
Average snowfall in December
Pullman, AR
- Average snowfall in December: 0.08"
The month with the highest snowfall is February (0.51").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Pullman, AR
- Average snowfall days in December: 0.3 days
The month with the highest number of snowfall days is February (1.2 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Pullman, AR
- Average daylight in December: 9h and 5min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in December: 5h and 1min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 5h and 12min).
Average sunshine days in December
Pullman, AR
- Average sunshine days in December: 19.8 days
The month with the most sunshine days is January (20.5 days).
The months with the least sunshine days are May and August (14.8 days).
Average UV index in December
Pullman, AR
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in December
Pullman, AR
- Average cloud cover in December: 44
The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 26).
Average visibility in December
Pullman, AR
- Average visibility in December: 6mi
The months with the highest visibility are January, March, April, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are February and May (5mi).
Pullman, Arkansas, USA
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