December weather forecastSaint Bonifacius, MN
December
Weather in December
The first month of the winter, December, is also a subzero cold month in Saint Bonifacius, Minnesota, with temperature in the range of an average high of 25.3°F (-3.7°C) and an average low of 15.1°F (-9.4°C).Temperature
December signals a significant shift in the average high-temperature, falling from November's icy 40.1°F (4.5°C) to a subzero cold 25.3°F (-3.7°C). December nights cool down to an average low-temperature of 15.1°F (-9.4°C).Humidity
In December, the average relative humidity in Saint Bonifacius is 87%.Rainfall
In Saint Bonifacius, Minnesota, during December, the rain falls for 4 days and regularly aggregates up to 1.1" (28mm) of precipitation. Throughout the year, there are 123.5 rainfall days, and 22.76" (578mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In December, it is snowing for 11.3 days. Throughout December, 4.45" (113mm) of snow is accumulated. Throughout the year, there are 53.2 snowfall days, and 20.83" (529mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 8h and 54min of daylight.On the first day of the month, sunrise is at 7:33 am and sunset at 4:35 pm. On the last day of December, sunrise is at 7:52 am and sunset at 4:43 pm CST.
Sunshine
The average sunshine in December is 3.6h.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 of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: The daily maximum UV index of 1 in December interprets into the following advice:
Babies, children, and those with sensitive skin should always avoid extended periods in the sun. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Saint Bonifacius, MN
- Average high temperature in December: 25.3°F
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (20.1°F).
- Average low temperature in December: 15.1°F
The month with the highest average low temperature is July (62.4°F).
The coldest month (with the lowest average low temperature) is January (7.2°F).
Average pressure in December
Saint Bonifacius, MN
- Average pressure in December: 30.11"Hg
The months with the highest atmospheric pressure are January and February (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in December
Saint Bonifacius, MN
- Average wind speed in December: 8.2mph
The windiest month (with the highest average wind speed) is April (9.3mph).
The calmest months (with the lowest average wind speed) are July and August (6.9mph).
Average humidity in December
Saint Bonifacius, MN
- Average humidity in December: 87%
The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is April (71%).
Average rainfall in December
Saint Bonifacius, MN
- Average rainfall in December: 1.1"
The wettest month (with the highest rainfall) is June (3.78").
The driest month (with the least rainfall) is January (0.63").
Average rainfall days in December
Saint Bonifacius, MN
- Average rainfall days in December: 4 days
The month with the highest number of rainy days is June (17.5 days).
The month with the least rainy days is January (2.3 days).
Average snowfall in December
Saint Bonifacius, MN
- Average snowfall in December: 4.45"
The month with the highest snowfall is February (4.76").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Saint Bonifacius, MN
- Average snowfall days in December: 11.3 days
The month with the highest number of snowfall days is January (13 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Saint Bonifacius, MN
- Average daylight in December: 8h and 54min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in December: 3h and 36min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).
Average sunshine days in December
Saint Bonifacius, MN
- Average sunshine days in December: 17.7 days
The month with the most sunshine days is October (18.6 days).
The month with the least sunshine days is June (10.2 days).
Average UV index in December
Saint Bonifacius, 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, February, November and December (UV index 1).
Average cloud cover in December
Saint Bonifacius, MN
- Average cloud cover in December: 63
The month with the most cloud cover is January (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in December
Saint Bonifacius, MN
- Average visibility in December: 5mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is January (4mi).





