December weather forecastAfton, MI
December
Weather in December
The first month of the winter, December, is also a subzero cold month in Afton, Michigan, with temperature in the range of an average low of 23.4°F (-4.8°C) and an average high of 30.4°F (-0.9°C).Temperature
As Afton enters December, the average high-temperature decreases from the an icy 40.8°F (4.9°C) of November to a freezing cold 30.4°F (-0.9°C). Afton registers a small shift from peak daytime temperatures, with a consistent average low-temperature of 23.4°F (-4.8°C) during December.Humidity
The average relative humidity in December is 85%.Rainfall
In Afton, in December, during 7.2 rainfall days, 1.69" (43mm) of precipitation is typically accumulated. Throughout the year, there are 129.4 rainfall days, and 21.34" (542mm) of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall. In December, in Afton, Michigan, it is snowing for 19 days. Throughout December, 6.61" (168mm) of snow is accumulated. Throughout the year, in Afton, Michigan, there are 91.7 snowfall days, and 29.13" (740mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 8h and 48min of daylight.On the first day of December, sunrise is at 7:57 am and sunset at 4:56 pm. On the last day of the month, sunrise is at 8:17 am and sunset at 5:05 pm EST.
Sunshine
In Afton, Michigan, the average sunshine in December is 2.3h.UV index
The months with the lowest UV index in Afton are January, February, November and December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for the average person.Note: In December, the UV index of 1 transforms into the following advice:
Extended exposure to the sun should always be avoided by children, infants, and those with sensitive skin. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Afton, MI
- Average high temperature in December: 30.4°F
The warmest month (with the highest average high temperature) is August (73.4°F).
The month with the lowest average high temperature is January (24.1°F).
- Average low temperature in December: 23.4°F
The month with the highest average low temperature is August (58.6°F).
The coldest month (with the lowest average low temperature) is February (15.3°F).
Average pressure in December
Afton, MI
- Average pressure in December: 30.03"Hg
The month with the highest atmospheric pressure is March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in December
Afton, MI
- Average wind speed in December: 10.1mph
The windiest months (with the highest average wind speed) are January and December (10.1mph).
The calmest months (with the lowest average wind speed) are June and July (7.3mph).
Average humidity in December
Afton, MI
- Average humidity in December: 85%
The month with the highest relative humidity is February (89%).
The month with the lowest relative humidity is May (74%).
Average rainfall in December
Afton, MI
- Average rainfall in December: 1.69"
The wettest month (with the highest rainfall) is October (2.68").
The driest month (with the least rainfall) is February (1.22").
Average rainfall days in December
Afton, MI
- Average rainfall days in December: 7.2 days
The month with the highest number of rainy days is October (17.5 days).
The month with the least rainy days is February (3.8 days).
Average snowfall in December
Afton, MI
- Average snowfall in December: 6.61"
The month with the highest snowfall is January (6.69").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Afton, MI
- Average snowfall days in December: 19 days
The month with the highest number of snowfall days is January (22.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Afton, MI
- Average daylight in December: 8h and 48min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in December: 2h and 18min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 1h and 48min).
Average sunshine days in December
Afton, MI
- Average sunshine days in December: 7.5 days
The month with the most sunshine days is September (16.4 days).
The month with the least sunshine days is January (7 days).
Average UV index in December
Afton, MI
- Average UV index in December: 1
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in December
Afton, MI
- Average cloud cover in December: 77
The month with the most cloud cover is January (Cloud cover 81).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in December
Afton, MI
- 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).





