December weather forecastDumont, MN
December
Weather in December
The first month of the winter, December, is also a subzero cold month in Dumont, Minnesota, with an average temperature varying between 23.9°F (-4.5°C) and 12.7°F (-10.7°C).Temperature
As December begins, there is a noticeable decrease in the average high-temperature, falling from a wintry 40.1°F (4.5°C) in November to a freezing cold 23.9°F (-4.5°C). Dumont's nighttime temperature in December falls to an average of 12.7°F (-10.7°C).Humidity
In December, the average relative humidity is 85%.Rainfall
In Dumont, during December, the rain falls for 3.7 days and regularly aggregates up to 0.94" (24mm) of precipitation. In Dumont, during the entire year, the rain falls for 102 days and collects up to 19.17" (487mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. The month with the most snowfall in Dumont is December, when snow falls for 11.5 days and typically aggregates up to 4.45" (113mm) of snow.Daylight
December has the shortest days of the year, with an average of 8h and 48min of daylight.On the first day of December in Dumont, sunrise is at 7:46 am and sunset at 4:43 pm. On the last day of the month, sunrise is at 8:06 am and sunset at 4:51 pm CST.
Sunshine
In December, the average sunshine is 3.8h.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: The daily high UV index of 1 in December translates into this advice:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Dumont, MN
- Average high temperature in December: 23.9°F
The warmest months (with the highest average high temperature) are July and August (81.3°F).
The month with the lowest average high temperature is January (18.7°F).
- Average low temperature in December: 12.7°F
The month with the highest average low temperature is July (62.1°F).
The coldest month (with the lowest average low temperature) is January (4.8°F).
Average pressure in December
Dumont, MN
- Average pressure in December: 30.12"Hg
The months with the highest atmospheric pressure are January and February (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).
Average wind speed in December
Dumont, MN
- Average wind speed in December: 9.9mph
The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest month (with the lowest average wind speed) is July (8mph).
Average humidity in December
Dumont, MN
- Average humidity in December: 85%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is September (65%).
Average rainfall in December
Dumont, MN
- Average rainfall in December: 0.94"
The wettest months (with the highest rainfall) are June and July (3.03").
The driest month (with the least rainfall) is February (0.55").
Average rainfall days in December
Dumont, MN
- Average rainfall days in December: 3.7 days
The month with the highest number of rainy days is June (15.4 days).
The month with the least rainy days is February (2 days).
Average snowfall in December
Dumont, MN
- Average snowfall in December: 4.45"
The month with the highest snowfall is December (4.45").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Dumont, MN
- Average snowfall days in December: 11.5 days
The month with the highest number of snowfall days is January (12.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Dumont, MN
- Average daylight in December: 8h and 48min
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 48min).
- Average sunshine in December: 3h and 48min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).
Average sunshine days in December
Dumont, MN
- Average sunshine days in December: 17.6 days
The month with the most sunshine days is September (19.5 days).
The month with the least sunshine days is June (12.4 days).
Average UV index in December
Dumont, MN
- Average UV index in December: 1
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in December
Dumont, MN
- Average cloud cover in December: 59
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 25).
Average visibility in December
Dumont, MN
- Average visibility in December: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).





