December weather forecastSomers, MT
December
Weather in December
The first month of the winter, December, is also a subzero cold month in Somers, Montana, with an average temperature varying between 27.5°F (-2.5°C) and 16.7°F (-8.5°C).Temperature
December is the coldest month, with the temperature often reaching an average high of 27.5°F (-2.5°C) and an average low of 16.7°F (-8.5°C).Humidity
The average relative humidity in December is 88%.Rainfall
In Somers, in December, it is raining for 11.5 days, with typically 1.97" (50mm) of accumulated precipitation. In Somers, during the entire year, the rain falls for 153.5 days and collects up to 19.76" (502mm) of precipitation.Snowfall
January through May, September through December are months with snowfall in Somers, Montana. December is the month with the most snowfall. Snow falls for 20.1 days and accumulates 12.32" (313mm) of snow.Daylight
December has the shortest days of the year, with an average of 8h and 24min of daylight.On the first day of the month, sunrise is at 8:06 am and sunset at 4:45 pm. On the last day of December, sunrise is at 8:26 am and sunset at 4:53 pm MST.
Sunshine
In December, the average sunshine is 4.3h.UV index
January, February, November and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV rays for the average person.Note: The average daily UV index of 1 in December transforms into the following instructions:
Prolonged sun exposure generally does not trouble most people. However, it is vital to ensure protection for babies, children, and individuals with sensitive skin. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Mind you! Snow reflection can increase the intensity of 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
Somers, MT
- Average high temperature in December: 27.5°F
The warmest month (with the highest average high temperature) is July (76.6°F).
The month with the lowest average high temperature is December (27.5°F).
- Average low temperature in December: 16.7°F
The month with the highest average low temperature is July (48.7°F).
The coldest month (with the lowest average low temperature) is December (16.7°F).
Average pressure in December
Somers, MT
- Average pressure in December: 30.16"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in December
Somers, MT
- Average wind speed in December: 4.3mph
The windiest month (with the highest average wind speed) is April (4.9mph).
The calmest month (with the lowest average wind speed) is August (3.8mph).
Average humidity in December
Somers, MT
- Average humidity in December: 88%
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is August (53%).
Average rainfall in December
Somers, MT
- Average rainfall in December: 1.97"
The wettest month (with the highest rainfall) is June (2.36").
The driest months (with the least rainfall) are July and August (0.63").
Average rainfall days in December
Somers, MT
- Average rainfall days in December: 11.5 days
The month with the highest number of rainy days is April (18.8 days).
The month with the least rainy days is August (7.2 days).
Average snowfall in December
Somers, MT
- Average snowfall in December: 12.32"
The month with the highest snowfall is December (12.32").
The months with the least snowfall are June, July and August (0").
Average snowfall days in December
Somers, MT
- Average snowfall days in December: 20.1 days
The month with the highest number of snowfall days is December (20.1 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Somers, 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 18min
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 6min).
Average sunshine days in December
Somers, MT
- Average sunshine days in December: 9.2 days
The month with the most sunshine days is July (20.2 days).
The months with the least sunshine days are February and March (7.8 days).
Average UV index in December
Somers, 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, November and December (UV index 1).
Average cloud cover in December
Somers, MT
- Average cloud cover in December: 57
The month with the most cloud cover is January (Cloud cover 59).
The months with the least cloud cover are July and August (Cloud cover 15).
Average visibility in December
Somers, MT
- Average visibility in December: 4mi
The months with the highest visibility are April, May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February, March and December (4mi).
