December weather forecastTower, MN
December
Weather in December
The first month of the winter, December, is still a freezing cold month in Tower, Minnesota, with temperature in the range of an average high of 19°F (-7.2°C) and an average low of 7.9°F (-13.4°C).Temperature
December's arrival witnesses a distinct temperature drop, receding from November's wintry 33.4°F (0.8°C) to a subzero cold 19°F (-7.2°C). Tower, in the month of December, anticipates a consistent average low-temperature of 7.9°F (-13.4°C).Humidity
The average relative humidity in December is 92%.Rainfall
In December, the rain falls for 3.3 days. Throughout December, 1.18" (30mm) of precipitation is accumulated. In Tower, during the entire year, the rain falls for 122.7 days and collects up to 22.05" (560mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Tower. December is the month with the most snowfall. Snow falls for 19.8 days and accumulates 8.66" (220mm) 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 December, sunrise is at 7:37 am and sunset at 4:18 pm. On the last day of the month, sunrise is at 7:57 am and sunset at 4:26 pm CST.
Sunshine
The average sunshine in December is 1.9h.UV index
January through March, November and 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 the ordinary person.Note: The daily high UV index of 1 during December translates into the following recommendations:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Tower, MN
- Average high temperature in December: 19°F
The warmest month (with the highest average high temperature) is July (76.8°F).
The month with the lowest average high temperature is January (14.4°F).
- Average low temperature in December: 7.9°F
The month with the highest average low temperature is July (56.1°F).
The coldest month (with the lowest average low temperature) is January (-0.6°F).
Average pressure in December
Tower, MN
- Average pressure in December: 30.08"Hg
The month with the highest atmospheric pressure is February (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in December
Tower, MN
- Average wind speed in December: 7.5mph
The windiest month (with the highest average wind speed) is April (8.3mph).
The calmest month (with the lowest average wind speed) is August (6.8mph).
Average humidity in December
Tower, MN
- Average humidity in December: 92%
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
Tower, MN
- Average rainfall in December: 1.18"
The wettest month (with the highest rainfall) is July (2.87").
The driest month (with the least rainfall) is February (0.83").
Average rainfall days in December
Tower, MN
- Average rainfall days in December: 3.3 days
The month with the highest number of rainy days is June (17.8 days).
The month with the least rainy days is February (1.3 days).
Average snowfall in December
Tower, MN
- Average snowfall in December: 8.66"
The month with the highest snowfall is December (8.66").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Tower, MN
- Average snowfall days in December: 19.8 days
The month with the highest number of snowfall days is January (21.8 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Tower, 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: 1h and 54min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The months with the least sunshine are January and February (Average sunshine: 1h and 48min).
Average sunshine days in December
Tower, MN
- Average sunshine days in December: 11.4 days
The month with the most sunshine days is September (14.1 days).
The month with the least sunshine days is June (9.8 days).
Average UV index in December
Tower, MN
- Average UV index in December: 1
The months with the highest UV index are July and August (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 1).
Average cloud cover in December
Tower, MN
- Average cloud cover in December: 80
The month with the most cloud cover is January (Cloud cover 84).
The month with the least cloud cover is July (Cloud cover 36).
Average visibility in December
Tower, MN
- Average visibility in December: 4mi
The months with the highest visibility are May, June and July (6mi).
The months with the lowest visibility are January, February, March and December (4mi).





