December weather forecastClinton, MT
December
Weather in December
December, the first month of the winter in Clinton, is still a freezing cold month, with an average temperature varying between 15.4°F (-9.2°C) and 28°F (-2.2°C).Temperature
In Clinton, December is the month with the lowest recorded average temperatures, measuring a high of 28°F (-2.2°C) and a low of 15.4°F (-9.2°C).Humidity
In Clinton, the average relative humidity in December is 88%.Rainfall
The months with the least rainfall are July and December Rain falls for 6.9 days and accumulates 0.16" (4mm) of rain.Snowfall
Months with snowfall are January through May, September through December. In Clinton, in December, during 9 snowfall days, 1.02" (26mm) of snow is typically accumulated. In Clinton, during the entire year, snow falls for 44 days and aggregates up to 8.07" (205mm) of snow.Daylight
The month with the shortest days is December, with an average of 8h and 36min of daylight.On the first day of December in Clinton, sunrise is at 7:59 am and sunset at 4:48 pm. On the last day of the month, sunrise is at 8:19 am and sunset at 4:56 pm MST.
Sunshine
The average sunshine in December is 5h.UV index
February and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for the average person.Note: The UV index of 1 during December leads to these advisories:
It is important to always shield children, babies, and individuals with sensitive skin from prolonged exposure to the sun. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Clinton, MT
- Average high temperature in December: 28°F
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is December (28°F).
- Average low temperature in December: 15.4°F
The month with the highest average low temperature is August (46.9°F).
The coldest month (with the lowest average low temperature) is December (15.4°F).
Average pressure in December
Clinton, MT
- Average pressure in December: 30.18"Hg
The month with the highest atmospheric pressure is January (30.19"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Clinton, MT
- Average wind speed in December: 4.3mph
The windiest month (with the highest average wind speed) is April (5mph).
The calmest month (with the lowest average wind speed) is August (4mph).
Average humidity in December
Clinton, MT
- Average humidity in December: 88%
The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is July (50%).
Average rainfall in December
Clinton, MT
- Average rainfall in December: 0.16"
The wettest month (with the highest rainfall) is April (0.47").
The driest months (with the least rainfall) are July and December (0.16").
Average rainfall days in December
Clinton, MT
- Average rainfall days in December: 6.9 days
The month with the highest number of rainy days is April (8.8 days).
The month with the least rainy days is August (3.3 days).
Average snowfall in December
Clinton, MT
- Average snowfall in December: 1.02"
The month with the highest snowfall is February (2.36").
The months with the least snowfall are June, July and August (0").
Average snowfall days in December
Clinton, MT
- Average snowfall days in December: 9 days
The month with the highest number of snowfall days is December (9 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Clinton, MT
- Average daylight in December: 8h and 36min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in December: 5h and 0min
The month with the most sunshine is July (Average sunshine: 11h and 48min).
The month with the least sunshine is January (Average sunshine: 4h and 54min).
Average sunshine days in December
Clinton, MT
- Average sunshine days in December: 22.1 days
The month with the most sunshine days is July (27 days).
The month with the least sunshine days is April (17.8 days).
Average UV index in December
Clinton, MT
- Average UV index in December: 1
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are February and December (UV index 1).
Average cloud cover in December
Clinton, MT
- Average cloud cover in December: 51
The month with the most cloud cover is February (Cloud cover 54).
The month with the least cloud cover is July (Cloud cover 14).
Average visibility in December
Clinton, 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 and December (4mi).
