December weather forecastDover, MN
December
Weather in December
December, the first month of the winter in Dover, is still a freezing cold month, with an average temperature varying between 15.8°F (-9°C) and 26.1°F (-3.3°C).Temperature
The onset of December brings a clear temperature shift, with the average high-temperature decreasing from an icy 41°F (5°C) in November to a subzero cold 26.1°F (-3.3°C). In December, the average low-temperature records at a still freezing cold 15.8°F (-9°C) during the nights.Humidity
The average relative humidity in December is 88%.Rainfall
In Dover, in December, during 2.9 rainfall days, 1.1" (28mm) of precipitation is typically accumulated. In Dover, during the entire year, the rain falls for 122.7 days and collects up to 24.06" (611mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In Dover, in December, during 12.8 snowfall days, 3.5" (89mm) of snow is typically accumulated. Throughout the year, there are 59.2 snowfall days, and 21.65" (550mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 0min of daylight.On the first day of the month, sunrise is at 7:23 am and sunset at 4:31 pm. On the last day of December, sunrise is at 7:43 am and sunset at 4:40 pm CST.
Sunshine
In December, the average sunshine is 3.6h.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for the average person.Note: The average daily UV index of 1 in December transforms into the following instructions:
While most people are not greatly affected by extended sun exposure, those with fair skin, babies, and children must always have protection. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. During bright days, sunglasses that offer UVA and UVB defense are recommended. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Dover, MN
- Average high temperature in December: 26.1°F
The warmest month (with the highest average high temperature) is July (78.3°F).
The month with the lowest average high temperature is January (20.7°F).
- Average low temperature in December: 15.8°F
The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (7.5°F).
Average pressure in December
Dover, MN
- Average pressure in December: 30.11"Hg
The months with the highest atmospheric pressure are January and February (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in December
Dover, MN
- Average wind speed in December: 9.5mph
The windiest month (with the highest average wind speed) is April (10.1mph).
The calmest month (with the lowest average wind speed) is August (7mph).
Average humidity in December
Dover, MN
- Average humidity in December: 88%
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is October (75%).
Average rainfall in December
Dover, MN
- Average rainfall in December: 1.1"
The wettest month (with the highest rainfall) is June (4.33").
The driest month (with the least rainfall) is January (0.75").
Average rainfall days in December
Dover, MN
- Average rainfall days in December: 2.9 days
The month with the highest number of rainy days is June (18.2 days).
The month with the least rainy days is February (1.9 days).
Average snowfall in December
Dover, MN
- Average snowfall in December: 3.5"
The month with the highest snowfall is February (5.94").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Dover, MN
- Average snowfall days in December: 12.8 days
The month with the highest number of snowfall days is January (14.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Dover, MN
- Average daylight in December: 9h and 0min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in December: 3h and 36min
The month with the most sunshine is July (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).
Average sunshine days in December
Dover, MN
- Average sunshine days in December: 16.5 days
The month with the most sunshine days is November (18 days).
The month with the least sunshine days is June (9.3 days).
Average UV index in December
Dover, 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, November and December (UV index 1).
Average cloud cover in December
Dover, MN
- Average cloud cover in December: 64
The month with the most cloud cover is January (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in December
Dover, MN
- Average visibility in December: 5mi
The months with the highest visibility are April, May, June, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March, July and December (5mi).





