December weather forecastBeaverton, MT
December
Weather in December
The first month of the winter, December, is also a subzero cold month in Beaverton, Montana, with an average temperature varying between 24.8°F (-4°C) and 12.7°F (-10.7°C).Temperature
The arrival of December corresponds with a temperature reduction, down from November's cold 38.8°F (3.8°C) to a subzero cold 24.8°F (-4°C). In December, the nighttime temperature in Beaverton lowers to an average of 12.7°F (-10.7°C).Humidity
The average relative humidity in December in Beaverton, Montana, is 83%.Rainfall
In December, the rain falls for 4.2 days. Throughout December, 0.51" (13mm) of precipitation is accumulated. Throughout the year, there are 91.8 rainfall days, and 10.63" (270mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. December is the month with the most snowfall in Beaverton. Snow falls for 11.8 days and accumulates 3.43" (87mm) of snow.Daylight
The month with the shortest days is December, with an average of 8h and 24min of daylight.On the first day of December, sunrise is at 7:40 am and sunset at 4:16 pm. On the last day of the month, sunrise is at 8:00 am and sunset at 4:24 pm MST.
Sunshine
The average sunshine in December in Beaverton, Montana, is 4.8h.UV index
The months with the lowest UV index in Beaverton are January through March, October through December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for the average person.Note: In December, a regular UV index of 2 translates into these guidelines:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Beaverton, MT
- Average high temperature in December: 24.8°F
The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is February (24.4°F).
- Average low temperature in December: 12.7°F
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is February (10°F).
Average pressure in December
Beaverton, MT
- Average pressure in December: 30.12"Hg
The month with the highest atmospheric pressure is February (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.83"Hg).
Average wind speed in December
Beaverton, MT
- Average wind speed in December: 8.5mph
The windiest month (with the highest average wind speed) is April (11.3mph).
The calmest month (with the lowest average wind speed) is February (8.3mph).
Average humidity in December
Beaverton, MT
- Average humidity in December: 83%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is August (41%).
Average rainfall in December
Beaverton, MT
- Average rainfall in December: 0.51"
The wettest month (with the highest rainfall) is May (1.73").
The driest month (with the least rainfall) is February (0.43").
Average rainfall days in December
Beaverton, MT
- Average rainfall days in December: 4.2 days
The month with the highest number of rainy days is May (12.7 days).
The month with the least rainy days is February (3.3 days).
Average snowfall in December
Beaverton, MT
- Average snowfall in December: 3.43"
The month with the highest snowfall is December (3.43").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Beaverton, MT
- Average snowfall days in December: 11.8 days
The month with the highest number of snowfall days is January (12.3 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Beaverton, MT
- Average daylight in December: 8h and 24min
The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in December: 4h and 48min
The month with the most sunshine is July (Average sunshine: 11h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in December
Beaverton, MT
- Average sunshine days in December: 17.3 days
The month with the most sunshine days is October (21 days).
The month with the least sunshine days is April (15.4 days).
Average UV index in December
Beaverton, MT
- Average UV index in December: 2
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in December
Beaverton, MT
- Average cloud cover in December: 49
The month with the most cloud cover is February (Cloud cover 50).
The months with the least cloud cover are July and August (Cloud cover 18).
Average visibility in December
Beaverton, MT
- Average visibility in December: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
