December weather forecastGlyndon, MN
December
Weather in December
The first month of the winter, December, is also a subzero cold month in Glyndon, Minnesota, with an average temperature varying between 20.7°F (-6.3°C) and 10°F (-12.2°C).Temperature
The start of December brings a distinct shift in the average high-temperature, dropping from November's wintry 37.8°F (3.2°C) to a freezing cold 20.7°F (-6.3°C). In Glyndon, an average low-temperature of 10°F (-12.2°C) is recorded during December nights.Humidity
In December, the average relative humidity is 88%.Rainfall
In Glyndon, during December, the rain falls for 3.4 days and regularly aggregates up to 0.83" (21mm) of precipitation. Throughout the year, there are 102.5 rainfall days, and 17.17" (436mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. December is the month with the most snowfall in Glyndon. Snow falls for 13.5 days and accumulates 4.09" (104mm) of snow.Daylight
With an average of 8h and 36min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:51 am and sunset at 4:39 pm. On the last day of December, sunrise is at 8:11 am and sunset at 4:47 pm CST.
Sunshine
In December, the average sunshine in Glyndon is 3.4h.UV index
January 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 unsafe exposure to UV radiation for the average person.Note: The maximum daily UV index of 1 in December interprets into the following recommendations:
Babies, children, and those with sensitive skin should always avoid extended periods in the sun. To guard against the harmful effects of the Sun, minimize exposure during midday. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Glyndon, MN
- Average high temperature in December: 20.7°F
The warmest months (with the highest average high temperature) are July and August (81°F).
The month with the lowest average high temperature is January (16.2°F).
- Average low temperature in December: 10°F
The month with the highest average low temperature is July (61°F).
The coldest month (with the lowest average low temperature) is January (2.7°F).
Average pressure in December
Glyndon, MN
- Average pressure in December: 30.12"Hg
The month with the highest atmospheric pressure is February (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).
Average wind speed in December
Glyndon, MN
- Average wind speed in December: 9.8mph
The windiest month (with the highest average wind speed) is October (10.7mph).
The calmest month (with the lowest average wind speed) is July (8.1mph).
Average humidity in December
Glyndon, MN
- Average humidity in December: 88%
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is September (63%).
Average rainfall in December
Glyndon, MN
- Average rainfall in December: 0.83"
The wettest month (with the highest rainfall) is June (3.07").
The driest month (with the least rainfall) is January (0.55").
Average rainfall days in December
Glyndon, MN
- Average rainfall days in December: 3.4 days
The month with the highest number of rainy days is June (15.5 days).
The month with the least rainy days is February (1.7 days).
Average snowfall in December
Glyndon, MN
- Average snowfall in December: 4.09"
The month with the highest snowfall is December (4.09").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Glyndon, MN
- Average snowfall days in December: 13.5 days
The month with the highest number of snowfall days is January (13.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Glyndon, MN
- Average daylight in December: 8h and 36min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in December: 3h and 24min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).
Average sunshine days in December
Glyndon, MN
- Average sunshine days in December: 16.3 days
The month with the most sunshine days is September (19.7 days).
The month with the least sunshine days is June (11.3 days).
Average UV index in December
Glyndon, 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 and December (UV index 1).
Average cloud cover in December
Glyndon, MN
- Average cloud cover in December: 64
The month with the most cloud cover is January (Cloud cover 65).
The months with the least cloud cover are July and August (Cloud cover 25).
Average visibility in December
Glyndon, MN
- Average visibility in December: 5mi
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, March and December (5mi).
