December weather forecastMayer, MN
December
Weather in December
The first month of the winter, December, is also a subzero cold month in Mayer, Minnesota, with an average temperature ranging between min 15.1°F (-9.4°C) and max 25.3°F (-3.7°C).Temperature
The start of December signals a considerable reduction in the average high-temperature, receding from an icy 40.1°F (4.5°C) in November to a freezing cold 25.3°F (-3.7°C). Throughout December, the average low-temperature records at 15.1°F (-9.4°C).Humidity
In Mayer, the average relative humidity in December is 87%.Rainfall
In Mayer, Minnesota, during December, the rain falls for 4 days and regularly aggregates up to 1.1" (28mm) of precipitation. Throughout the year, in Mayer, there are 123.5 rainfall days, and 22.76" (578mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In December, it is snowing for 11.3 days. Throughout December, 4.45" (113mm) of snow is accumulated. In Mayer, during the entire year, snow falls for 53.2 days and aggregates up to 20.83" (529mm) 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 the month, sunrise is at 7:33 am and sunset at 4:35 pm. On the last day of December, sunrise is at 7:53 am and sunset at 4:44 pm CST.
Sunshine
In Mayer, the average sunshine in December is 3.6h.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 exposure to the Sun's UV radiation for ordinary individuals.Note: In December, a daily maximum UV index of 1 leads to the following instructions:
Babies, children, and those with sensitive skin should always avoid extended periods in the sun. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Mayer, MN
- Average high temperature in December: 25.3°F
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (20.1°F).
- Average low temperature in December: 15.1°F
The month with the highest average low temperature is July (62.4°F).
The coldest month (with the lowest average low temperature) is January (7.2°F).
Average pressure in December
Mayer, 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
Mayer, MN
- Average wind speed in December: 8.2mph
The windiest month (with the highest average wind speed) is April (9.3mph).
The calmest months (with the lowest average wind speed) are July and August (6.9mph).
Average humidity in December
Mayer, MN
- Average humidity in December: 87%
The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is April (71%).
Average rainfall in December
Mayer, MN
- Average rainfall in December: 1.1"
The wettest month (with the highest rainfall) is June (3.78").
The driest month (with the least rainfall) is January (0.63").
Average rainfall days in December
Mayer, MN
- Average rainfall days in December: 4 days
The month with the highest number of rainy days is June (17.5 days).
The month with the least rainy days is January (2.3 days).
Average snowfall in December
Mayer, MN
- Average snowfall in December: 4.45"
The month with the highest snowfall is February (4.76").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Mayer, MN
- Average snowfall days in December: 11.3 days
The month with the highest number of snowfall days is January (13 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Mayer, 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 36min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).
Average sunshine days in December
Mayer, MN
- Average sunshine days in December: 17.7 days
The month with the most sunshine days is October (18.6 days).
The month with the least sunshine days is June (10.2 days).
Average UV index in December
Mayer, 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
Mayer, MN
- Average cloud cover in December: 63
The month with the most cloud cover is January (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in December
Mayer, 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).





