December weather forecastWisdom, MT
December
Weather in December
December, the first month of the winter in Wisdom, is also a subzero cold month, with an average temperature ranging between min 9.5°F (-12.5°C) and max 24.1°F (-4.4°C).Temperature
December tends to be the coldest month, with temperatures averaging a daily high of 24.1°F (-4.4°C) and a low of 9.5°F (-12.5°C).Humidity
The average relative humidity in December is 90%.Rainfall
In Wisdom, in December, it is raining for 5.2 days, with typically 1.38" (35mm) of accumulated precipitation. Throughout the year, there are 93.6 rainfall days, and 15.43" (392mm) of precipitation is accumulated.Snowfall
January through December are months with snowfall. In Wisdom, in December, during 16.5 snowfall days, 11.34" (288mm) of snow is typically accumulated. Throughout the year, in Wisdom, there are 129.3 snowfall days, and 94.92" (2411mm) of snow is accumulated.Daylight
With an average of 8h and 48min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 7:54 am and sunset at 4:51 pm. On the last day of the month, sunrise is at 8:14 am and sunset at 5:00 pm MST.
Sunshine
January and December, with an average of 5.1h of sunshine, are months with the least sunshine.UV index
January, February and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for average individuals.Note: The UV index of 1 during December leads to these advisories:
While most people are not greatly affected by extended sun exposure, those with fair skin, babies, and children must always have protection. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Wisdom, MT
- Average high temperature in December: 24.1°F
The warmest month (with the highest average high temperature) is July (77.2°F).
The month with the lowest average high temperature is December (24.1°F).
- Average low temperature in December: 9.5°F
The month with the highest average low temperature is August (45.3°F).
The coldest month (with the lowest average low temperature) is December (9.5°F).
Average pressure in December
Wisdom, MT
- Average pressure in December: 30.22"Hg
The month with the highest atmospheric pressure is January (30.23"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Wisdom, MT
- Average wind speed in December: 5mph
The windiest month (with the highest average wind speed) is November (5.2mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in December
Wisdom, MT
- Average humidity in December: 90%
The months with the highest relative humidity are January and February (91%).
The month with the lowest relative humidity is August (48%).
Average rainfall in December
Wisdom, MT
- Average rainfall in December: 1.38"
The wettest month (with the highest rainfall) is April (1.81").
The driest month (with the least rainfall) is August (0.39").
Average rainfall days in December
Wisdom, MT
- Average rainfall days in December: 5.2 days
The month with the highest number of rainy days is June (11.7 days).
The months with the least rainy days are January, August and December (5.2 days).
Average snowfall in December
Wisdom, MT
- Average snowfall in December: 11.34"
The month with the highest snowfall is February (14.8").
The month with the least snowfall is July (0.12").
Average snowfall days in December
Wisdom, MT
- Average snowfall days in December: 16.5 days
The month with the highest number of snowfall days is March (20.3 days).
The month with the least snowfall days is July (0.2 days).
Average daylight in December /
Average sunshine in December
Wisdom, MT
- Average daylight in December: 8h and 48min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in December: 5h and 6min
The month with the most sunshine is July (Average sunshine: 11h and 54min).
The months with the least sunshine are January and December (Average sunshine: 5h and 6min).
Average sunshine days in December
Wisdom, MT
- Average sunshine days in December: 14.4 days
The month with the most sunshine days is August (22.3 days).
The month with the least sunshine days is March (8.8 days).
Average UV index in December
Wisdom, MT
- 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 and December (UV index 1).
Average cloud cover in December
Wisdom, MT
- Average cloud cover in December: 50
The month with the most cloud cover is February (Cloud cover 54).
The month with the least cloud cover is August (Cloud cover 12).
Average visibility in December
Wisdom, MT
- Average visibility in December: 4mi
The months with the highest visibility are May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February, March and December (4mi).





