December weather forecastVictor, MT
December
Weather in December
The first month of the winter, December, is still a freezing cold month in Victor, Montana, with an average temperature varying between 16°F (-8.9°C) and 28.4°F (-2°C).Temperature
December, having an average high-temperature of 28.4°F (-2°C) and an average low-temperature of 16°F (-8.9°C), is the coldest month.Humidity
The average relative humidity in December is 86%.Rainfall
In Victor, in December, during 12.6 rainfall days, 1.5" (38mm) of precipitation is typically accumulated. In Victor, Montana, during the entire year, the rain falls for 140.1 days and collects up to 15.16" (385mm) of precipitation.Snowfall
January through May, September through December are months with snowfall. In Victor, Montana, in December, snow falls for 16.7 days, with typically accumulated 7.8" (198mm) of snow. Throughout the year, there are 87.7 snowfall days, and 46.5" (1181mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 8h and 42min of daylight.On the first day of the month, sunrise is at 8:00 am and sunset at 4:51 pm. On the last day of December, sunrise is at 8:19 am and sunset at 4:59 pm MST.
Sunshine
The average sunshine in December is 5.6h.UV index
The average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for the average person.Note: An average maximum UV index of 2 in December leads to these recommendations:
It is important to always shield children, babies, and individuals with sensitive skin from prolonged exposure to the sun. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. To cut down UV radiation exposure by about half, sport a wide-brim hat. 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
Victor, MT
- Average high temperature in December: 28.4°F
The warmest month (with the highest average high temperature) is July (78.4°F).
The month with the lowest average high temperature is December (28.4°F).
- Average low temperature in December: 16°F
The month with the highest average low temperature is August (48.7°F).
The coldest month (with the lowest average low temperature) is December (16°F).
Average pressure in December
Victor, MT
- Average pressure in December: 30.19"Hg
The month with the highest atmospheric pressure is January (30.2"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Victor, MT
- Average wind speed in December: 5.2mph
The windiest month (with the highest average wind speed) is January (5.4mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in December
Victor, MT
- Average humidity in December: 86%
The month with the highest relative humidity is January (87%).
The months with the lowest relative humidity are July and August (49%).
Average rainfall in December
Victor, MT
- Average rainfall in December: 1.5"
The wettest month (with the highest rainfall) is February (1.93").
The driest months (with the least rainfall) are July and August (0.43").
Average rainfall days in December
Victor, MT
- Average rainfall days in December: 12.6 days
The month with the highest number of rainy days is March (17.5 days).
The month with the least rainy days is August (5.3 days).
Average snowfall in December
Victor, MT
- Average snowfall in December: 7.8"
The month with the highest snowfall is February (11.22").
The months with the least snowfall are June, July and August (0").
Average snowfall days in December
Victor, MT
- Average snowfall days in December: 16.7 days
The month with the highest number of snowfall days is February (17.3 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Victor, MT
- Average daylight in December: 8h and 42min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in December: 5h and 36min
The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 5h and 30min).
Average sunshine days in December
Victor, MT
- Average sunshine days in December: 10.5 days
The month with the most sunshine days is July (23.3 days).
The month with the least sunshine days is February (6.9 days).
Average UV index in December
Victor, MT
- Average UV index in December: 2
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in December
Victor, MT
- Average cloud cover in December: 45
The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 13).
Average visibility in December
Victor, 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 and December (4mi).
