December weather forecastGarrison, MN
December
Weather in December
December, the first month of the winter in Garrison, is also a subzero cold month, with an average temperature fluctuating between 22.3°F (-5.4°C) and 11.8°F (-11.2°C).Temperature
The onset of December brings a distinct decrease in the average high-temperature, receding from a wintry 37°F (2.8°C) in November to a freezing cold 22.3°F (-5.4°C). An average nighttime temperature of 11.8°F (-11.2°C) is recorded during December.Humidity
In December, the average relative humidity is 89%.Rainfall
In December, the rain falls for 3.3 days. Throughout December, 0.83" (21mm) of precipitation is accumulated. In Garrison, during the entire year, the rain falls for 109.6 days and collects up to 15.83" (402mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. December is the month with the most snowfall. Snow falls for 15.6 days and accumulates 4.41" (112mm) of snow.Daylight
With an average of 8h and 42min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:38 am and sunset at 4:30 pm. On the last day of December, sunrise is at 7:58 am and sunset at 4:39 pm CST.
Sunshine
In December, the average sunshine is 2.8h.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 reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum daily UV index, 1 in December, converts into the following recommendations:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Experience reduced UV exposure by about half when donning a wide-brim hat. 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
Garrison, MN
- Average high temperature in December: 22.3°F
The warmest month (with the highest average high temperature) is July (78.8°F).
The month with the lowest average high temperature is January (17.4°F).
- Average low temperature in December: 11.8°F
The month with the highest average low temperature is July (59.4°F).
The coldest month (with the lowest average low temperature) is January (4.3°F).
Average pressure in December
Garrison, MN
- Average pressure in December: 30.1"Hg
The month with the highest atmospheric pressure is February (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in December
Garrison, MN
- Average wind speed in December: 7.5mph
The windiest month (with the highest average wind speed) is April (8.5mph).
The calmest month (with the lowest average wind speed) is July (6.8mph).
Average humidity in December
Garrison, MN
- Average humidity in December: 89%
The month with the highest relative humidity is January (92%).
The month with the lowest relative humidity is May (72%).
Average rainfall in December
Garrison, MN
- Average rainfall in December: 0.83"
The wettest month (with the highest rainfall) is June (2.36").
The driest month (with the least rainfall) is January (0.35").
Average rainfall days in December
Garrison, MN
- Average rainfall days in December: 3.3 days
The month with the highest number of rainy days is June (15.2 days).
The month with the least rainy days is February (2.4 days).
Average snowfall in December
Garrison, MN
- Average snowfall in December: 4.41"
The month with the highest snowfall is December (4.41").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Garrison, MN
- Average snowfall days in December: 15.6 days
The month with the highest number of snowfall days is January (17.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Garrison, MN
- Average daylight in December: 8h and 42min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in December: 2h and 48min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 2h and 30min).
Average sunshine days in December
Garrison, MN
- Average sunshine days in December: 15.8 days
The month with the most sunshine days is October (18.1 days).
The month with the least sunshine days is June (11 days).
Average UV index in December
Garrison, 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
Garrison, MN
- Average cloud cover in December: 71
The month with the most cloud cover is January (Cloud cover 74).
The month with the least cloud cover is July (Cloud cover 33).
Average visibility in December
Garrison, 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 and December (4mi).
