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
December is the coldest month of the year, registering average temperatures as high as 23.7°F (-4.6°C) and as low as 5°F (-15°C).Humidity
In December, the average relative humidity is 84%.Rainfall
In December, in Calpet, the rain falls for 10.5 days. Throughout December, 0.71" (18mm) of precipitation is accumulated. In Calpet, during the entire year, the rain falls for 109.9 days and collects up to 10.59" (269mm) of precipitation.Snowfall
January through June, September through December are months with snowfall in Calpet, Wyoming. In Calpet, in December, during 14.5 snowfall days, 5.55" (141mm) of snow is typically accumulated. In Calpet, during the entire year, snow falls for 89 days and aggregates up to 43.43" (1103mm) of snow.Daylight
With an average of 9h and 6min of daylight, December has the shortest days of the year in Calpet.On the first day of the month, sunrise is at 7:31 am and sunset at 4:49 pm. On the last day of December, sunrise is at 7:49 am and sunset at 4:58 pm MST.
Sunshine
In Calpet, the average sunshine in December is 6.4h.UV index
January through April, October through December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for the average person.Note: In December, the maximum UV index of 2 suggests this advice:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. During bright days, sunglasses that offer UVA and UVB defense are recommended. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Frequently asked questions
What is the coldest time of year in Calpet?
How cold is December in Calpet?
What is the average humidity in December in Calpet?
How many days does it rain in December in Calpet?
How much does it snow in Calpet in December?
What is the month with the shortest days in Calpet?
How many hours of daylight does Calpet have in December?
What time are sunrise and sunset in December in Calpet?
How long on average sun shines in December in Calpet?
What are the months with the lowest UV index in Calpet?
How high is the UV index in December in Calpet?
Average temperature in December
Calpet, WY
- Average high temperature in December: 23.7°F
The warmest month (with the highest average high temperature) is July (76.8°F).
The month with the lowest average high temperature is December (23.7°F).
- Average low temperature in December: 5°F
The month with the highest average low temperature is July (52°F).
The coldest month (with the lowest average low temperature) is December (5°F).
Average pressure in December
Calpet, WY
- Average pressure in December: 30.25"Hg
The month with the highest atmospheric pressure is January (30.28"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in December
Calpet, WY
- Average wind speed in December: 5.3mph
The windiest month (with the highest average wind speed) is June (7mph).
The calmest month (with the lowest average wind speed) is December (5.3mph).
Average humidity in December
Calpet, WY
- Average humidity in December: 84%
The months with the highest relative humidity are January and February (87%).
The month with the lowest relative humidity is August (39%).
Average rainfall in December
Calpet, WY
- Average rainfall in December: 0.71"
The wettest month (with the highest rainfall) is May (1.65").
The driest months (with the least rainfall) are July and August (0.63").
Average rainfall days in December
Calpet, WY
- Average rainfall days in December: 10.5 days
The month with the highest number of rainy days is May (14.3 days).
The month with the least rainy days is November (6.9 days).
Average snowfall in December
Calpet, WY
- Average snowfall in December: 5.55"
The month with the highest snowfall is April (7.36").
The months with the least snowfall are July and August (0").
Average snowfall days in December
Calpet, WY
- Average snowfall days in December: 14.5 days
The months with the highest number of snowfall days are February and March (15.1 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in December /
Average sunshine in December
Calpet, WY
- Average daylight in December: 9h and 1min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in December: 6h and 2min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 6h and 12min).
Average sunshine days in December
Calpet, WY
- Average sunshine days in December: 15.1 days
The month with the most sunshine days is October (19.6 days).
The month with the least sunshine days is May (10.9 days).
Average UV index in December
Calpet, WY
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, April, October, November and December (UV index 2).
Average cloud cover in December
Calpet, WY
- Average cloud cover in December: 36
The month with the most cloud cover is February (Cloud cover 41).
The month with the least cloud cover is August (Cloud cover 12).
Average visibility in December
Calpet, WY
- Average visibility in December: 5mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January and February (4mi).
Calpet, Wyoming, USA
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