December weather forecastMahnomen, MN
December
Weather in December
December, the first month of the winter in Mahnomen, is still a freezing cold month, with an average temperature fluctuating between 19.6°F (-6.9°C) and 8.1°F (-13.3°C).Temperature
Mahnomen in December sees a clear temperature decline, with average high-temperatures decreasing from an icy 34.5°F (1.4°C) in November to a subzero cold 19.6°F (-6.9°C). December witnesses an average low-temperature hovering around a frigid cold 8.1°F (-13.3°C).Humidity
In Mahnomen, Minnesota, the average relative humidity in December is 91%.Rainfall
In Mahnomen, in December, during 2.3 rainfall days, 1.06" (27mm) of precipitation is typically accumulated. In Mahnomen, during the entire year, the rain falls for 110.6 days and collects up to 19.45" (494mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. December is the month with the most snowfall. Snow falls for 20.2 days and accumulates 6.65" (169mm) of snow.Daylight
December has the shortest days of the year, with an average of 8h and 30min of daylight.On the first day of the month, sunrise is at 7:50 am and sunset at 4:35 pm. On the last day of December, sunrise is at 8:10 am and sunset at 4:43 pm CST.
Sunshine
The average sunshine in December is 2.7h.UV index
January, February, October through December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: In December, a daily maximum UV index of 1 leads to the following instructions:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Mahnomen, MN
- Average high temperature in December: 19.6°F
The warmest month (with the highest average high temperature) is July (79°F).
The month with the lowest average high temperature is January (14.7°F).
- Average low temperature in December: 8.1°F
The month with the highest average low temperature is July (58.6°F).
The coldest month (with the lowest average low temperature) is January (0.5°F).
Average pressure in December
Mahnomen, MN
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is February (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).
Average wind speed in December
Mahnomen, MN
- Average wind speed in December: 8.2mph
The windiest month (with the highest average wind speed) is October (9.1mph).
The calmest months (with the lowest average wind speed) are July and August (7.5mph).
Average humidity in December
Mahnomen, MN
- Average humidity in December: 91%
The months with the highest relative humidity are January and February (93%).
The month with the lowest relative humidity is May (68%).
Average rainfall in December
Mahnomen, MN
- Average rainfall in December: 1.06"
The wettest month (with the highest rainfall) is June (3.27").
The driest month (with the least rainfall) is February (0.79").
Average rainfall days in December
Mahnomen, MN
- Average rainfall days in December: 2.3 days
The month with the highest number of rainy days is June (17.2 days).
The month with the least rainy days is February (2 days).
Average snowfall in December
Mahnomen, MN
- Average snowfall in December: 6.65"
The month with the highest snowfall is December (6.65").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Mahnomen, MN
- Average snowfall days in December: 20.2 days
The month with the highest number of snowfall days is January (20.3 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Mahnomen, MN
- Average daylight in December: 8h and 30min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in December: 2h and 42min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 2h and 12min).
Average sunshine days in December
Mahnomen, MN
- Average sunshine days in December: 11.4 days
The month with the most sunshine days is August (17.8 days).
The month with the least sunshine days is June (9.8 days).
Average UV index in December
Mahnomen, MN
- 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 January, February, October, November and December (UV index 1).
Average cloud cover in December
Mahnomen, MN
- Average cloud cover in December: 74
The months with the most cloud cover are January and February (Cloud cover 77).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in December
Mahnomen, MN
- Average visibility in December: 4mi
The months with the highest visibility are April, May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February, March and December (4mi).
