December weather forecast
Afton, MN

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Weather in December

December, the first month of the winter in Afton, is also a subzero cold month, with an average temperature varying between 14.5°F (-9.7°C) and 24.6°F (-4.1°C).

Temperature

As Afton transitions into December, a noticeable drop in the average high-temperature is observed, falling from an icy 40.1°F (4.5°C) in November to a subzero cold 24.6°F (-4.1°C). In the month of December, Afton witnesses a consistent average low-temperature of 14.5°F (-9.7°C).

Humidity

The average relative humidity in December is 89%.

Rainfall

In Afton, in December, during 4.7 rainfall days, 1.3" (33mm) of precipitation is typically accumulated. Throughout the year, there are 130.4 rainfall days, and 24.29" (617mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall. In Afton, in December, snow falls for 13.4 days, with typically accumulated 4.45" (113mm) of snow. In Afton, during the entire year, snow falls for 67.4 days and aggregates up to 22.4" (569mm) of snow.

Daylight

December has the shortest days of the year, with an average of 8h and 54min of daylight.
On the first day of the month, sunrise is at 7:29 am and sunset at 4:31 pm. On the last day of December, sunrise is at 7:48 am and sunset at 4:40 pm CST.

Sunshine

In December, the average sunshine is 3.3h.

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 value of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The daily high UV index of 1 in December translates into this advice:
Though the majority can handle prolonged sun exposure, it is crucial to always shield babies, children, and those with fair skin. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Updated: Jul 30, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is December?

In December, the average high-temperature and low-temperature in Afton are 24.6°F (-4.1°C) and 14.5°F (-9.7°C) respectively.

What is the average humidity in December?

In Afton, the average relative humidity in December is 89%.

How much does it rain in December?

In Afton, during December, the rain falls for 4.7 days and regularly aggregates up to 1.3" (33mm) of precipitation.

How much does it snow in December?

In Afton, in December, during 13.4 snowfall days, 4.45" (113mm) of snow is typically accumulated.

What is the month with the shortest days?

December has the shortest days of the year, with an average of 8h and 54min of daylight.

What is the average length of the day in December?

In Afton, the average day length in December is 8h and 51min.

When is the sunrise / sunset in December in Afton?

On the first day of December, sunrise is at 7:29 am and sunset at 4:31 pm. On the last day of the month, sunrise is at 7:48 am and sunset at 4:40 pm CST.

How long on average sun shines in December?

In Afton, the average sunshine duration in December is 3.3h.

When is the lowest UV index?

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 intensity in December?

The average daily maximum UV index in December is 1. A UV Index reading of 2, and below, represents a low health risk from 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, MN

Average temperature in December - Afton, MN
  • Average high temperature in December: 24.6°F

The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (19.4°F).

  • Average low temperature in December: 14.5°F

The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (6.3°F).

Average pressure in December
Afton, MN

Average pressure in December - Afton, MN
  • Average pressure in December: 30.1"Hg

The months with the highest atmospheric pressure are January and February (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).

Average wind speed in December
Afton, MN

Average wind speed in December - Afton, MN
  • Average wind speed in December: 8.4mph

The windiest month (with the highest average wind speed) is April (9.4mph).
The calmest month (with the lowest average wind speed) is July (6.7mph).

Average humidity in December
Afton, MN

Average humidity in December - Afton, MN
  • Average humidity in December: 89%

The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is April (74%).

Average rainfall in December
Afton, MN

Average rainfall in December - Afton, MN
  • Average rainfall in December: 1.3"

The wettest month (with the highest rainfall) is June (4.13").
The driest month (with the least rainfall) is January (0.75").

Average rainfall days in December
Afton, MN

Average rainfall days in December - Afton, MN
  • Average rainfall days in December: 4.7 days

The month with the highest number of rainy days is June (17.8 days).
The month with the least rainy days is January (2.8 days).

Average snowfall in December
Afton, MN

Average snowfall in December - Afton, MN
  • Average snowfall in December: 4.45"

The month with the highest snowfall is February (5.67").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Afton, MN

Average snowfall days in December - Afton, MN
  • Average snowfall days in December: 13.4 days

The month with the highest number of snowfall days is January (16.4 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, MN

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

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 2min

The month with the most sunshine is July (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 2h and 54min).

Average sunshine days in December
Afton, MN

Average sunshine days in December - Afton, MN
  • Average sunshine days in December: 15.3 days

The month with the most sunshine days is November (16.2 days).
The month with the least sunshine days is June (9.6 days).

Average UV index in December
Afton, MN

Average UV index in December - Afton, MN
  • Average UV index in December: 1

The month with the highest UV index is 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
Afton, MN

Average cloud cover in December - Afton, MN
  • Average cloud cover in December: 67

The month with the most cloud cover is January (Cloud cover 70).
The months with the least cloud cover are July and August (Cloud cover 33).

Average visibility in December
Afton, MN

Average visibility in December - Afton, 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).

Afton, Minnesota, USA

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