December weather forecastFrazer, MT
December
Weather in December
The first month of the winter, December, is also a subzero cold month in Frazer, Montana, with an average temperature ranging between min 14.9°F (-9.5°C) and max 26.2°F (-3.2°C).Temperature
A shift in the average high-temperature occurs in December, reducing from a cold 39.7°F (4.3°C) in November to a subzero cold 26.2°F (-3.2°C). Frazer, during the month of December, experiences an average low-temperature of 14.9°F (-9.5°C).Humidity
In Frazer, Montana, the average relative humidity in December is 82%.Rainfall
In Frazer, in December, during 2.8 rainfall days, 0.43" (11mm) of precipitation is typically accumulated. Throughout the year, there are 81.2 rainfall days, and 9.76" (248mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. The month with the most snowfall is December, when snow falls for 9.6 days and typically aggregates up to 2.91" (74mm) 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 December, sunrise is at 7:34 am and sunset at 4:12 pm. On the last day of the month, sunrise is at 7:54 am and sunset at 4:20 pm MST.
Sunshine
In December, the average sunshine is 4.9h.UV index
The month with the lowest UV index is December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for average individuals.Note: The UV index of 1 during December translates into the following guidance:
Extended exposure to the sun should always be avoided by children, infants, and those with sensitive skin. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Enhance your sun protection with tightly woven, yet airy clothing. 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
Frazer, MT
- Average high temperature in December: 26.2°F
The warmest month (with the highest average high temperature) is July (82.8°F).
The month with the lowest average high temperature is February (25.3°F).
- Average low temperature in December: 14.9°F
The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is February (11.8°F).
Average pressure in December
Frazer, MT
- Average pressure in December: 30.13"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
Frazer, MT
- Average wind speed in December: 9.8mph
The windiest month (with the highest average wind speed) is April (11.6mph).
The calmest month (with the lowest average wind speed) is February (8.9mph).
Average humidity in December
Frazer, MT
- Average humidity in December: 82%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is August (42%).
Average rainfall in December
Frazer, MT
- Average rainfall in December: 0.43"
The wettest month (with the highest rainfall) is June (1.65").
The driest months (with the least rainfall) are January and February (0.39").
Average rainfall days in December
Frazer, MT
- Average rainfall days in December: 2.8 days
The month with the highest number of rainy days is June (12.1 days).
The month with the least rainy days is February (1.8 days).
Average snowfall in December
Frazer, MT
- Average snowfall in December: 2.91"
The month with the highest snowfall is December (2.91").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Frazer, MT
- Average snowfall days in December: 9.6 days
The month with the highest number of snowfall days is January (9.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Frazer, 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 54min
The month with the most sunshine is July (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in December
Frazer, MT
- Average sunshine days in December: 19.8 days
The month with the most sunshine days is November (21.9 days).
The month with the least sunshine days is June (16.4 days).
Average UV index in December
Frazer, MT
- Average UV index in December: 1
The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Frazer, MT
- Average cloud cover in December: 48
The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 16).
Average visibility in December
Frazer, 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).





