December weather forecastExcelsior, MN
December
Weather in December
December, the first month of the winter in Excelsior, is also a subzero cold month, with an average temperature ranging between max 25.3°F (-3.7°C) and min 15.3°F (-9.3°C).Temperature
In December, the meteorological conditions markedly change with the average high-temperature descending from a wintry 40.1°F (4.5°C) in November to a freezing cold 25.3°F (-3.7°C). During December, the nighttime temperature averages to a still subzero cold 15.3°F (-9.3°C).Humidity
In December, the average relative humidity is 87%.Rainfall
In Excelsior, Minnesota, in December, during 3.5 rainfall days, 0.55" (14mm) of precipitation is typically accumulated. In Excelsior, during the entire year, the rain falls for 103.9 days and collects up to 12.4" (315mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Excelsior. In Excelsior, in December, snow falls for 11.6 days, with typically accumulated 2.09" (53mm) of snow. Throughout the year, there are 55.7 snowfall days, and 11.61" (295mm) of snow is accumulated.Daylight
The month with the shortest days in Excelsior is December, with an average of 8h and 54min of daylight.On the first day of December, sunrise is at 7:32 am and sunset at 4:34 pm. On the last day of the month, sunrise is at 7:52 am and sunset at 4:43 pm CST.
Sunshine
The average sunshine in December is 3.3h.UV index
January, February, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Excelsior. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for the average person.Note: In December, the maximum UV index of 1 suggests these recommendations:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. To guard against the harmful effects of the Sun, minimize exposure during midday. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Excelsior, MN
- Average high temperature in December: 25.3°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (20.5°F).
- Average low temperature in December: 15.3°F
The month with the highest average low temperature is July (63.7°F).
The coldest month (with the lowest average low temperature) is January (7.5°F).
Average pressure in December
Excelsior, 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
Excelsior, MN
- Average wind speed in December: 8mph
The windiest month (with the highest average wind speed) is April (9.2mph).
The calmest month (with the lowest average wind speed) is August (6.8mph).
Average humidity in December
Excelsior, MN
- Average humidity in December: 87%
The month with the highest relative humidity is January (90%).
The months with the lowest relative humidity are April, May and October (71%).
Average rainfall in December
Excelsior, MN
- Average rainfall in December: 0.55"
The wettest month (with the highest rainfall) is June (2.13").
The driest month (with the least rainfall) is January (0.35").
Average rainfall days in December
Excelsior, MN
- Average rainfall days in December: 3.5 days
The month with the highest number of rainy days is June (15.5 days).
The month with the least rainy days is February (1.5 days).
Average snowfall in December
Excelsior, MN
- Average snowfall in December: 2.09"
The month with the highest snowfall is February (2.64").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Excelsior, MN
- Average snowfall days in December: 11.6 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
Excelsior, 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 18min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in December
Excelsior, MN
- Average sunshine days in December: 19.9 days
The months with the most sunshine days are October and November (20.4 days).
The month with the least sunshine days is June (12.1 days).
Average UV index in December
Excelsior, 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
Excelsior, MN
- Average cloud cover in December: 65
The month with the most cloud cover is January (Cloud cover 68).
The months with the least cloud cover are July and August (Cloud cover 31).
Average visibility in December
Excelsior, 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).
