December weather forecast
Afton, MI

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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.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is it in Afton in December?

In December, in Afton, the average high-temperature is 30.4°F (-0.9°C), and the average low-temperature is 23.4°F (-4.8°C).

What is the average humidity in December in Afton?

In Afton, the average relative humidity in December is 85%.

How many days does it rain in December in Afton?

In Afton, Michigan, in December, it is raining for 7.2 days, with typically 1.69" (43mm) of accumulated precipitation.

How many days does it snow in December in Afton?

In Afton, Michigan, in December, snow falls for 19 days, with typically accumulated 6.61" (168mm) of snow.

What is the month with the shortest days in Afton?

December has the shortest days of the year in Afton, with an average of 8h and 48min of daylight.

What is the average length of the day in December in Afton?

In Afton, Michigan, the average day length in December is 8h and 47min.

When are sunrise and sunset in December in Afton?

In December, on the first day of the month, sunrise is at 7:57 am and sunset at 4:56 pm. On the last day of the month, in Afton, sunrise is at 8:17 am and sunset at 5:05 pm EST.

How long on average sun shines in December in Afton?

In December, the average sunshine duration in Afton is 2.3h.

What is the month with the lowest UV index in Afton?

January, February, November and December, with an average maximum UV index of 1, are months with the lowest UV index.

What is the UV index reading in December in Afton?

In December, the average daily maximum UV index in Afton is 1. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Afton, MI

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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 / Average sunshine in December - Afton, MI
  • Average daylight in December: 8h and 5min

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 2min

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 - 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 - 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 - 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 - 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).

Afton, Michigan, USA

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