December weather forecastBlackduck, MN
December
Weather in December
December, the first month of the winter in Blackduck, is still a freezing cold month, with an average temperature varying between 9.7°F (-12.4°C) and 20.1°F (-6.6°C).Temperature
As December commences, the average high-temperature shows a reduction, transitioning from a wintry 34.3°F (1.3°C) in November to a freezing cold 20.1°F (-6.6°C). December nights in Blackduck are marked by an average low-temperature of 9.7°F (-12.4°C).Humidity
In December, the average relative humidity is 90%.Rainfall
In Blackduck, in December, it is raining for 2.3 days, with typically 1.02" (26mm) of accumulated precipitation. In Blackduck, during the entire year, the rain falls for 109.2 days and collects up to 20.12" (511mm) of precipitation.Snowfall
Months with snowfall in Blackduck are January through May, September through December. December is the month with the most snowfall. Snow falls for 18.8 days and accumulates 7.28" (185mm) of snow.Daylight
The month with the shortest days is December, with an average of 8h and 30min of daylight.On the first day of the month, sunrise is at 7:46 am and sunset at 4:28 pm. On the last day of December, sunrise is at 8:06 am and sunset at 4:36 pm CST.
Sunshine
The average sunshine in December is 2.4h.UV index
January, February, November and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: In December, the maximum UV index of 1 transforms into these recommendations:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Blackduck, MN
- Average high temperature in December: 20.1°F
The warmest month (with the highest average high temperature) is July (76.6°F).
The month with the lowest average high temperature is January (16.2°F).
- Average low temperature in December: 9.7°F
The month with the highest average low temperature is July (57.4°F).
The coldest month (with the lowest average low temperature) is January (2.1°F).
Average pressure in December
Blackduck, MN
- Average pressure in December: 30.1"Hg
The month with the highest atmospheric pressure is February (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in December
Blackduck, MN
- Average wind speed in December: 8mph
The windiest month (with the highest average wind speed) is October (8.8mph).
The calmest months (with the lowest average wind speed) are July and August (7.1mph).
Average humidity in December
Blackduck, MN
- Average humidity in December: 90%
The months with the highest relative humidity are January and February (93%).
The month with the lowest relative humidity is May (70%).
Average rainfall in December
Blackduck, MN
- Average rainfall in December: 1.02"
The wettest month (with the highest rainfall) is June (3.07").
The driest month (with the least rainfall) is February (0.71").
Average rainfall days in December
Blackduck, MN
- Average rainfall days in December: 2.3 days
The month with the highest number of rainy days is June (16.4 days).
The month with the least rainy days is January (1.3 days).
Average snowfall in December
Blackduck, MN
- Average snowfall in December: 7.28"
The month with the highest snowfall is December (7.28").
The months with the least snowfall are June, July and August (0").
Average snowfall days in December
Blackduck, MN
- Average snowfall days in December: 18.8 days
The month with the highest number of snowfall days is December (18.8 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Blackduck, 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 24min
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 6min).
Average sunshine days in December
Blackduck, MN
- Average sunshine days in December: 13.2 days
The month with the most sunshine days is August (17.6 days).
The month with the least sunshine days is June (11.5 days).
Average UV index in December
Blackduck, MN
- Average UV index in December: 1
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in December
Blackduck, MN
- Average cloud cover in December: 76
The month with the most cloud cover is January (Cloud cover 80).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in December
Blackduck, MN
- 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, March and December (4mi).





