Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
Fort Benton's temperature records reveal December as the coldest month, marked by average highs of 29.8°F (-1.2°C) and lows of 18.5°F (-7.5°C).Humidity
In Fort Benton, the average relative humidity in December is 76%.Rainfall
December is the month with the least rainfall. Rain falls for 5.8 days and accumulates 0.67" (17mm) of precipitation.Snowfall
January through May, September through December are months with snowfall. In Fort Benton, during December, snow falls for 10.7 days and regularly aggregates up to 4.61" (117mm) of snow. In Fort Benton, Montana, during the entire year, snow falls for 58.3 days and aggregates up to 29.37" (746mm) of snow.Daylight
With an average of 8h and 30min of daylight, December has the shortest days of the year in Fort Benton.On the first day of December in Fort Benton, Montana, sunrise is at 7:51 am and sunset at 4:32 pm. On the last day of the month, sunrise is at 8:11 am and sunset at 4:40 pm MST.
Sunshine
The months with the least sunshine are January, February and December, with an average of 5.5h of sunshine.UV index
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for ordinary individuals.Note: A maximum high daily UV index of 2 during December translates into the following directions:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
Frequently asked questions
What is the coldest month in Fort Benton?
How cold is December in Fort Benton?
What is the average humidity in December in Fort Benton?
What is the driest month in Fort Benton?
How many days does it rain in December in Fort Benton?
How much does it snow in Fort Benton in December?
What is the month with the shortest days in Fort Benton?
How many hours of daylight does Fort Benton have in December?
When is the sunrise / sunset in December in Fort Benton?
What is the month with the least sunshine in Fort Benton?
How many hours of sunshine does Fort Benton have in December?
What are the months with the lowest UV index in Fort Benton?
What is the UV index intensity in December in Fort Benton?
Average temperature in December
Fort Benton, MT
- Average high temperature in December: 29.8°F
The warmest month (with the highest average high temperature) is July (82.8°F).
The month with the lowest average high temperature is December (29.8°F).
- Average low temperature in December: 18.5°F
The month with the highest average low temperature is August (60.4°F).
The coldest month (with the lowest average low temperature) is February (18.1°F).
Average pressure in December
Fort Benton, MT
- Average pressure in December: 30.12"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in December
Fort Benton, MT
- Average wind speed in December: 10.4mph
The windiest months (with the highest average wind speed) are January and November (10.7mph).
The calmest month (with the lowest average wind speed) is August (8.1mph).
Average humidity in December
Fort Benton, MT
- Average humidity in December: 76%
The month with the highest relative humidity is January (78%).
The month with the lowest relative humidity is August (39%).
Average rainfall in December
Fort Benton, MT
- Average rainfall in December: 0.67"
The wettest month (with the highest rainfall) is June (2.05").
The driest month (with the least rainfall) is December (0.67").
Average rainfall days in December
Fort Benton, MT
- Average rainfall days in December: 5.8 days
The month with the highest number of rainy days is May (15.6 days).
The month with the least rainy days is January (5.3 days).
Average snowfall in December
Fort Benton, MT
- Average snowfall in December: 4.61"
The month with the highest snowfall is February (5.51").
The months with the least snowfall are June, July and August (0").
Average snowfall days in December
Fort Benton, MT
- Average snowfall days in December: 10.7 days
The month with the highest number of snowfall days is February (12.2 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Fort Benton, MT
- Average daylight in December: 8h and 3min
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 3min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The months with the least sunshine are January, February and December (Average sunshine: 5h and 30min).
Average sunshine days in December
Fort Benton, MT
- Average sunshine days in December: 17.8 days
The month with the most sunshine days is September (19.3 days).
The month with the least sunshine days is April (11.2 days).
Average UV index in December
Fort Benton, MT
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in December
Fort Benton, MT
- Average cloud cover in December: 42
The month with the most cloud cover is February (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 14).
Average visibility in December
Fort Benton, 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).
Fort Benton, Montana, USA
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