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, having an average high-temperature of 23.7°F (-4.6°C) and an average low-temperature of 5°F (-15°C), is the coldest month.Humidity
In December, the average relative humidity is 84%.Rainfall
In Calpet, in December, during 10.5 rainfall days, 0.71" (18mm) of precipitation is typically 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, during December, snow falls for 14.5 days and regularly aggregates up to 5.55" (141mm) of snow. In Calpet, Wyoming, 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.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
The average sunshine in December is 6.4h.UV index
The months with the lowest UV index are January through April, October through December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for the average person.Note: The maximum UV index of 2 during December leads to these instructions:
While most individuals can withstand prolonged sun exposure, it is imperative that babies, children, and those with sensitive skin always be shielded. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest time of year?
How cold is December?
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 December?
What is the month with the shortest days?
What is the average length of the day in December?
When is the sunrise / sunset in December?
How long on average sun shines in December?
What is the month with the lowest UV index?
What is the UV index intensity in December?
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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