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
December
Weather in December
Temperature
The lowest temperatures are recorded in December, with averages reaching a high of 21°F (-6.1°C) and a low of 4.1°F (-15.5°C).Humidity
In Moose, the average relative humidity in December is 92%.Rainfall
In Moose, Wyoming, in December, it is raining for 5.5 days, with typically 2.68" (68mm) of accumulated precipitation. Throughout the year, there are 116.8 rainfall days, and 27.95" (710mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through June, September through December. In Moose, in December, snow falls for 21.7 days, with typically accumulated 22.44" (570mm) of snow. Throughout the year, there are 130.7 snowfall days, and 137.48" (3492mm) of snow is accumulated.Daylight
The month with the shortest days in Moose is December, with an average of 9h and 0min of daylight.On the first day of the month, sunrise is at 7:37 am and sunset at 4:47 pm. On the last day of December, in Moose, sunrise is at 7:56 am and sunset at 4:56 pm MST.
Sunshine
The average sunshine in December is 3.8h.UV index
The months with the lowest UV index are January through March, October through December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for ordinary individuals.Note: In December, the maximum UV index of 1 translates into these guidelines:
Though the majority can handle prolonged sun exposure, it is crucial to always shield babies, children, and those with fair skin. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What part of the year is the coldest?
How cold is it in December?
What is the average humidity in December?
How many days does it rain in December?
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 are sunrise and sunset in December?
How many hours of sunshine does Moose have in December?
What is the month with the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Moose, WY
- Average high temperature in December: 21°F
The warmest month (with the highest average high temperature) is July (72°F).
The month with the lowest average high temperature is December (21°F).
- Average low temperature in December: 4.1°F
The month with the highest average low temperature is July (43.9°F).
The coldest month (with the lowest average low temperature) is December (4.1°F).
Average pressure in December
Moose, WY
- Average pressure in December: 30.24"Hg
The month with the highest atmospheric pressure is January (30.27"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in December
Moose, WY
- Average wind speed in December: 4.5mph
The windiest month (with the highest average wind speed) is June (5.8mph).
The calmest months (with the lowest average wind speed) are January and December (4.5mph).
Average humidity in December
Moose, WY
- Average humidity in December: 92%
The month with the highest relative humidity is February (94%).
The month with the lowest relative humidity is August (50%).
Average rainfall in December
Moose, WY
- Average rainfall in December: 2.68"
The wettest month (with the highest rainfall) is February (3.23").
The driest month (with the least rainfall) is August (1.42").
Average rainfall days in December
Moose, WY
- Average rainfall days in December: 5.5 days
The month with the highest number of rainy days is May (16.2 days).
The months with the least rainy days are January and February (3.9 days).
Average snowfall in December
Moose, WY
- Average snowfall in December: 22.44"
The month with the highest snowfall is February (25.94").
The months with the least snowfall are July and August (0").
Average snowfall days in December
Moose, WY
- Average snowfall days in December: 21.7 days
The month with the highest number of snowfall days is December (21.7 days).
The month with the least snowfall days is July (0 days).
Average daylight in December /
Average sunshine in December
Moose, WY
- Average daylight in December: 9h and 0min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in December: 3h and 5min
The month with the most sunshine is July (Average sunshine: 11h and 42min).
The month with the least sunshine is February (Average sunshine: 3h and 36min).
Average sunshine days in December
Moose, WY
- Average sunshine days in December: 9.5 days
The month with the most sunshine days is July (15.6 days).
The month with the least sunshine days is April (7 days).
Average UV index in December
Moose, WY
- Average UV index in December: 1
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 1).
Average cloud cover in December
Moose, WY
- Average cloud cover in December: 65
The month with the most cloud cover is February (Cloud cover 71).
The month with the least cloud cover is August (Cloud cover 15).
Average visibility in December
Moose, WY
- Average visibility in December: 3mi
The months with the highest visibility are June, July, August and September (6mi).
The months with the lowest visibility are January and February (2mi).