December weather forecastDutton, MT
December
Weather in December
December, the first month of the winter in Dutton, is still a freezing cold month, with an average temperature varying between 28.8°F (-1.8°C) and 16.2°F (-8.8°C).Temperature
With average high and low temperatures of 28.8°F (-1.8°C) and 16.2°F (-8.8°C) respectively, December is Dutton's coldest month.Humidity
In December, the average relative humidity is 75%.Rainfall
December is the month with the least rainfall in Dutton. Rain falls for 3.5 days and accumulates 0.35" (9mm) of precipitation.Snowfall
Months with snowfall are January through May, September through December. In Dutton, during December, snow falls for 8.3 days and regularly aggregates up to 2.4" (61mm) of snow. Throughout the year, in Dutton, Montana, there are 50.3 snowfall days, and 21.26" (540mm) of snow is accumulated.Daylight
With an average of 8h and 30min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:55 am and sunset at 4:36 pm. On the last day of December, sunrise is at 8:15 am and sunset at 4:44 pm MST.
Sunshine
The month with the least sunshine is December, with an average of 5.8h of sunshine.UV index
The months with the lowest UV index in Dutton 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: The UV index of 2 during December translates into the following guidance:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Dutton, MT
- Average high temperature in December: 28.8°F
The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is December (28.8°F).
- Average low temperature in December: 16.2°F
The month with the highest average low temperature is August (55.9°F).
The coldest month (with the lowest average low temperature) is December (16.2°F).
Average pressure in December
Dutton, MT
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in December
Dutton, MT
- Average wind speed in December: 10.7mph
The windiest month (with the highest average wind speed) is January (11.2mph).
The calmest months (with the lowest average wind speed) are July and August (8mph).
Average humidity in December
Dutton, MT
- Average humidity in December: 75%
The month with the highest relative humidity is January (76%).
The month with the lowest relative humidity is August (42%).
Average rainfall in December
Dutton, MT
- Average rainfall in December: 0.35"
The wettest month (with the highest rainfall) is June (1.93").
The driest month (with the least rainfall) is December (0.35").
Average rainfall days in December
Dutton, MT
- Average rainfall days in December: 3.5 days
The month with the highest number of rainy days is May (11.3 days).
The month with the least rainy days is November (2.7 days).
Average snowfall in December
Dutton, MT
- Average snowfall in December: 2.4"
The month with the highest snowfall is February (4.17").
The months with the least snowfall are June, July and August (0").
Average snowfall days in December
Dutton, MT
- Average snowfall days in December: 8.3 days
The month with the highest number of snowfall days is February (11.3 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in December /
Average sunshine in December
Dutton, MT
- Average daylight in December: 8h and 30min
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 30min).
- Average sunshine in December: 5h and 48min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 48min).
Average sunshine days in December
Dutton, MT
- Average sunshine days in December: 21.7 days
The month with the most sunshine days is October (23.2 days).
The month with the least sunshine days is February (15.8 days).
Average UV index in December
Dutton, MT
- Average UV index in December: 2
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in December
Dutton, MT
- Average cloud cover in December: 38
The month with the most cloud cover is February (Cloud cover 41).
The month with the least cloud cover is July (Cloud cover 14).
Average visibility in December
Dutton, MT
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
