December weather forecastAlberton, MT
December
Weather in December
The first month of the winter, December, is also a subzero cold month in Alberton, Montana, with an average temperature fluctuating between 27.9°F (-2.3°C) and 15.8°F (-9°C).Temperature
December is the month when Alberton sees the lowest average temperatures, with a high of 27.9°F (-2.3°C) and a low of 15.8°F (-9°C).Humidity
The average relative humidity in December in Alberton is 88%.Rainfall
In Alberton, in December, it is raining for 11.2 days, with typically 1.42" (36mm) of accumulated precipitation. In Alberton, during the entire year, the rain falls for 141.4 days and collects up to 16.5" (419mm) of precipitation.Snowfall
Months with snowfall are January through May, September through December. In Alberton, in December, snow falls for 15.9 days, with typically accumulated 7.44" (189mm) of snow. Throughout the year, there are 81.4 snowfall days, and 42.91" (1090mm) of snow is accumulated.Daylight
With an average of 8h and 36min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 8:03 am and sunset at 4:50 pm. On the last day of December, sunrise is at 8:23 am and sunset at 4:58 pm MST.
Sunshine
In Alberton, the average sunshine in December is 5.1h.UV index
The months with the lowest UV index are February, November and December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for the average person.Note: In December, a daily maximum UV index of 1 leads to the following instructions:
Babies, children, and individuals with sensitive skin should always have protection against extended sun exposure. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Alberton, MT
- Average high temperature in December: 27.9°F
The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is December (27.9°F).
- Average low temperature in December: 15.8°F
The month with the highest average low temperature is August (48°F).
The coldest month (with the lowest average low temperature) is December (15.8°F).
Average pressure in December
Alberton, 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
Alberton, 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 (3.9mph).
Average humidity in December
Alberton, MT
- Average humidity in December: 88%
The month with the highest relative humidity is January (90%).
The months with the lowest relative humidity are July and August (51%).
Average rainfall in December
Alberton, MT
- Average rainfall in December: 1.42"
The wettest month (with the highest rainfall) is April (1.97").
The driest month (with the least rainfall) is July (0.47").
Average rainfall days in December
Alberton, MT
- Average rainfall days in December: 11.2 days
The month with the highest number of rainy days is April (16.7 days).
The months with the least rainy days are July and August (6.7 days).
Average snowfall in December
Alberton, MT
- Average snowfall in December: 7.44"
The month with the highest snowfall is February (10.75").
The months with the least snowfall are June, July and August (0").
Average snowfall days in December
Alberton, MT
- Average snowfall days in December: 15.9 days
The month with the highest number of snowfall days is February (16.2 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Alberton, 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 6min
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 48min).
Average sunshine days in December
Alberton, MT
- Average sunshine days in December: 12.7 days
The month with the most sunshine days is July (22.5 days).
The months with the least sunshine days are February and April (9.2 days).
Average UV index in December
Alberton, 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, November and December (UV index 1).
Average cloud cover in December
Alberton, MT
- Average cloud cover in December: 51
The month with the most cloud cover is February (Cloud cover 55).
The month with the least cloud cover is July (Cloud cover 14).
Average visibility in December
Alberton, 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).





