December weather forecastPennington, MN
December
Weather in December
December, the first month of the winter in Pennington, is also a subzero cold month, with an average temperature ranging between max 20.3°F (-6.5°C) and min 9.5°F (-12.5°C).Temperature
December signals a clear temperature drop, with average high-temperatures decreasing from November's cold 34.7°F (1.5°C) to a subzero cold 20.3°F (-6.5°C). An average low-temperature of 9.5°F (-12.5°C) marks the nights throughout December.Humidity
In Pennington, Minnesota, the average relative humidity in December is 90%.Rainfall
In Pennington, in December, during 2.1 rainfall days, 0.43" (11mm) of precipitation is typically accumulated. In Pennington, during the entire year, the rain falls for 86.8 days and collects up to 10.71" (272mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. December is the month with the most snowfall. Snow falls for 15.3 days and accumulates 2.8" (71mm) 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 7:45 am and sunset at 4:28 pm. On the last day of December, sunrise is at 8:05 am and sunset at 4:37 pm CST.
Sunshine
The average sunshine in December is 2.3h.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 value of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: In December, an average UV index of 1 transforms into the following instructions:
Many can withstand an hour in the sun without burning, yet children must always have protection against sunlight. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Pennington, MN
- Average high temperature in December: 20.3°F
The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (16°F).
- Average low temperature in December: 9.5°F
The month with the highest average low temperature is July (57.6°F).
The coldest month (with the lowest average low temperature) is January (1.4°F).
Average pressure in December
Pennington, 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
Pennington, MN
- Average wind speed in December: 6.8mph
The windiest month (with the highest average wind speed) is April (7.6mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).
Average humidity in December
Pennington, 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 (69%).
Average rainfall in December
Pennington, MN
- Average rainfall in December: 0.43"
The wettest month (with the highest rainfall) is June (2.01").
The driest months (with the least rainfall) are January and February (0.31").
Average rainfall days in December
Pennington, MN
- Average rainfall days in December: 2.1 days
The month with the highest number of rainy days is June (12.8 days).
The month with the least rainy days is February (0.6 days).
Average snowfall in December
Pennington, MN
- Average snowfall in December: 2.8"
The month with the highest snowfall is December (2.8").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Pennington, MN
- Average snowfall days in December: 15.3 days
The month with the highest number of snowfall days is December (15.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Pennington, 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 18min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 1h and 54min).
Average sunshine days in December
Pennington, MN
- Average sunshine days in December: 18.6 days
The month with the most sunshine days is January (20.1 days).
The month with the least sunshine days is June (14 days).
Average UV index in December
Pennington, 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
Pennington, MN
- Average cloud cover in December: 77
The month with the most cloud cover is January (Cloud cover 81).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in December
Pennington, MN
- Average visibility in December: 4mi
The months with the highest visibility are May, June and September (6mi).
The months with the lowest visibility are January, February, March and December (4mi).





