December weather forecastMcKinley, MN
December
Weather in December
The first month of the winter, December, is still a freezing cold month in McKinley, Minnesota, with an average temperature varying between 19.4°F (-7°C) and 7.5°F (-13.6°C).Temperature
December weather is marked by a drop in the average high-temperature, falling from an icy 33.6°F (0.9°C) in November to a freezing cold 19.4°F (-7°C). McKinley's temperature in December lowers to a consistent average of 7.5°F (-13.6°C) during the nights.Humidity
In December, the average relative humidity is 92%.Rainfall
In McKinley, in December, it is raining for 2.9 days, with typically 1.22" (31mm) of accumulated precipitation. Throughout the year, in McKinley, Minnesota, there are 115.7 rainfall days, and 21.18" (538mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, September through December. December is the month with the most snowfall. Snow falls for 18 days and accumulates 8.23" (209mm) of snow.Daylight
December has the shortest days of the year, with an average of 8h and 30min of daylight.On the first day of December, sunrise is at 7:37 am and sunset at 4:20 pm. On the last day of the month, sunrise is at 7:57 am and sunset at 4:28 pm CST.
Sunshine
In December, the average sunshine is 2.2h.UV index
January through March, November 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 low health risk from exposure to the Sun's UV rays for average individuals.Note: The maximum UV index of 1 during December leads to these instructions:
Prolonged exposure to sunlight rarely troubles the majority, but constant protection is vital for babies, children, and fair-skinned people. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
McKinley, MN
- Average high temperature in December: 19.4°F
The warmest month (with the highest average high temperature) is July (76.6°F).
The month with the lowest average high temperature is January (14.4°F).
- Average low temperature in December: 7.5°F
The month with the highest average low temperature is July (55.9°F).
The coldest month (with the lowest average low temperature) is January (-0.4°F).
Average pressure in December
McKinley, MN
- Average pressure in December: 30.09"Hg
The month with the highest atmospheric pressure is February (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in December
McKinley, MN
- Average wind speed in December: 8.3mph
The windiest month (with the highest average wind speed) is April (9.3mph).
The calmest month (with the lowest average wind speed) is August (7.1mph).
Average humidity in December
McKinley, MN
- Average humidity in December: 92%
The months with the highest relative humidity are January and February (93%).
The month with the lowest relative humidity is May (72%).
Average rainfall in December
McKinley, MN
- Average rainfall in December: 1.22"
The wettest month (with the highest rainfall) is July (2.64").
The driest month (with the least rainfall) is February (0.79").
Average rainfall days in December
McKinley, MN
- Average rainfall days in December: 2.9 days
The month with the highest number of rainy days is June (16.9 days).
The month with the least rainy days is February (1.1 days).
Average snowfall in December
McKinley, MN
- Average snowfall in December: 8.23"
The month with the highest snowfall is December (8.23").
The months with the least snowfall are June, July and August (0").
Average snowfall days in December
McKinley, MN
- Average snowfall days in December: 18 days
The month with the highest number of snowfall days is January (19.6 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
McKinley, 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 12min
The month with the most sunshine is July (Average sunshine: 9h and 42min).
The months with the least sunshine are January and February (Average sunshine: 2h and 0min).
Average sunshine days in December
McKinley, MN
- Average sunshine days in December: 12 days
The month with the most sunshine days is September (14.5 days).
The month with the least sunshine days is June (10.6 days).
Average UV index in December
McKinley, MN
- Average UV index in December: 1
The months with the highest UV index are July and August (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 1).
Average cloud cover in December
McKinley, MN
- Average cloud cover in December: 78
The month with the most cloud cover is January (Cloud cover 81).
The month with the least cloud cover is July (Cloud cover 37).
Average visibility in December
McKinley, MN
- Average visibility in December: 4mi
The months with the highest visibility are May, June, July and October (6mi).
The months with the lowest visibility are January, February, March and December (4mi).





