December weather forecastWebster, MN
December
Weather in December
The first month of the winter, December, is also a subzero cold month in Webster, Minnesota, with temperature in the range of an average high of 25.7°F (-3.5°C) and an average low of 14.9°F (-9.5°C).Temperature
The arrival of December brings a distinct temperature shift, with the average high-temperature dropping from a cold 40.8°F (4.9°C) in November to a subzero cold 25.7°F (-3.5°C). Throughout the month of December, Webster witnesses an average temperature of 14.9°F (-9.5°C).Humidity
The average relative humidity in December is 88%.Rainfall
In Webster, in December, it is raining for 3.5 days, with typically 1.42" (36mm) of accumulated precipitation. Throughout the year, there are 118.9 rainfall days, and 24.09" (612mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In Webster, in December, snow falls for 13.2 days, with typically accumulated 5.28" (134mm) of snow. In Webster, during the entire year, snow falls for 58.5 days and aggregates up to 25.51" (648mm) of snow.Daylight
With an average of 8h and 54min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 7:30 am and sunset at 4:34 pm. On the last day of the month, sunrise is at 7:49 am and sunset at 4:43 pm CST.
Sunshine
In Webster, the average sunshine in December is 3.4h.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 reading of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum daily UV index of 1 in December converts into the following recommendations:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Webster, MN
- Average high temperature in December: 25.7°F
The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is January (20.7°F).
- Average low temperature in December: 14.9°F
The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (7.5°F).
Average pressure in December
Webster, 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
Webster, MN
- Average wind speed in December: 8.2mph
The windiest month (with the highest average wind speed) is April (9.5mph).
The calmest months (with the lowest average wind speed) are July and August (7.1mph).
Average humidity in December
Webster, MN
- Average humidity in December: 88%
The month with the highest relative humidity is January (91%).
The months with the lowest relative humidity are April and October (72%).
Average rainfall in December
Webster, MN
- Average rainfall in December: 1.42"
The wettest month (with the highest rainfall) is June (3.74").
The driest month (with the least rainfall) is January (0.71").
Average rainfall days in December
Webster, MN
- Average rainfall days in December: 3.5 days
The month with the highest number of rainy days is June (17.6 days).
The month with the least rainy days is February (1.5 days).
Average snowfall in December
Webster, MN
- Average snowfall in December: 5.28"
The month with the highest snowfall is February (6.26").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Webster, MN
- Average snowfall days in December: 13.2 days
The month with the highest number of snowfall days is January (13.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Webster, 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 24min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 2h and 54min).
Average sunshine days in December
Webster, MN
- Average sunshine days in December: 16.6 days
The month with the most sunshine days is November (19.3 days).
The month with the least sunshine days is June (10.4 days).
Average UV index in December
Webster, 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
Webster, MN
- Average cloud cover in December: 65
The month with the most cloud cover is January (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in December
Webster, MN
- Average visibility in December: 4mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February and December (4mi).





