December weather forecast
Garrison, MN

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Weather in December

December, the first month of the winter in Garrison, is also a subzero cold month, with an average temperature fluctuating between 22.3°F (-5.4°C) and 11.8°F (-11.2°C).

Temperature

The onset of December brings a distinct decrease in the average high-temperature, receding from a wintry 37°F (2.8°C) in November to a freezing cold 22.3°F (-5.4°C). An average nighttime temperature of 11.8°F (-11.2°C) is recorded during December.

Humidity

In December, the average relative humidity is 89%.

Rainfall

In December, the rain falls for 3.3 days. Throughout December, 0.83" (21mm) of precipitation is accumulated. In Garrison, during the entire year, the rain falls for 109.6 days and collects up to 15.83" (402mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. December is the month with the most snowfall. Snow falls for 15.6 days and accumulates 4.41" (112mm) of snow.

Daylight

With an average of 8h and 42min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 7:38 am and sunset at 4:30 pm. On the last day of December, sunrise is at 7:58 am and sunset at 4:39 pm CST.

Sunshine

In December, the average sunshine is 2.8h.

UV index

January, February, November and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.
Note: The maximum daily UV index, 1 in December, converts into the following recommendations:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Experience reduced UV exposure by about half when donning a wide-brim hat. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
Updated: Aug 31, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is it in December?

The high-temperature during December is 22.3°F (-5.4°C) and the low-temperature is 11.8°F (-11.2°C).

What is the average humidity in December?

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

How much does it rain in December?

In Garrison, Minnesota, in December, it is raining for 3.3 days, with typically 0.83" (21mm) of accumulated precipitation.

When does it snow the most?

The month with the most snowfall is December, when snow falls for 15.6 days and typically aggregates up to 4.41" (112mm) of snow.

How many days does it snow in December?

In Garrison, during December, snow falls for 15.6 days and regularly aggregates up to 4.41" (112mm) of snow.

What is the month with the shortest days?

With an average of 8h and 42min of daylight, December has the shortest days of the year in Garrison.

How many hours of daylight does Garrison have in December?

In December, the average day length is 8h and 41min.

When is the sunrise / sunset in December?

On the first day of December, sunrise is at 7:38 am and sunset at 4:30 pm. On the last day of the month, sunrise is at 7:58 am and sunset at 4:39 pm CST.

How many hours of sunshine does Garrison have in December?

The average sunshine duration in December is 2.8h.

What are the months with 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 of 2, and less, symbolizes a low health threat 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
Garrison, MN

Average temperature in December - Garrison, MN
  • Average high temperature in December: 22.3°F

The warmest month (with the highest average high temperature) is July (78.8°F).
The month with the lowest average high temperature is January (17.4°F).

  • Average low temperature in December: 11.8°F

The month with the highest average low temperature is July (59.4°F).
The coldest month (with the lowest average low temperature) is January (4.3°F).

Average pressure in December
Garrison, MN

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

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

Average wind speed in December
Garrison, MN

Average wind speed in December - Garrison, MN
  • Average wind speed in December: 7.5mph

The windiest month (with the highest average wind speed) is April (8.5mph).
The calmest month (with the lowest average wind speed) is July (6.8mph).

Average humidity in December
Garrison, MN

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

The month with the highest relative humidity is January (92%).
The month with the lowest relative humidity is May (72%).

Average rainfall in December
Garrison, MN

Average rainfall in December - Garrison, MN
  • Average rainfall in December: 0.83"

The wettest month (with the highest rainfall) is June (2.36").
The driest month (with the least rainfall) is January (0.35").

Average rainfall days in December
Garrison, MN

Average rainfall days in December - Garrison, MN
  • Average rainfall days in December: 3.3 days

The month with the highest number of rainy days is June (15.2 days).
The month with the least rainy days is February (2.4 days).

Average snowfall in December
Garrison, MN

Average snowfall in December - Garrison, MN
  • Average snowfall in December: 4.41"

The month with the highest snowfall is December (4.41").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Garrison, MN

Average snowfall days in December - Garrison, MN
  • Average snowfall days in December: 15.6 days

The month with the highest number of snowfall days is January (17.4 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Garrison, MN

Average daylight in December / Average sunshine in December - Garrison, MN
  • Average daylight in December: 8h and 4min

The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).

  • Average sunshine in December: 2h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 2h and 30min).

Average sunshine days in December
Garrison, MN

Average sunshine days in December - Garrison, MN
  • Average sunshine days in December: 15.8 days

The month with the most sunshine days is October (18.1 days).
The month with the least sunshine days is June (11 days).

Average UV index in December
Garrison, MN

Average UV index in December - Garrison, 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
Garrison, MN

Average cloud cover in December - Garrison, MN
  • Average cloud cover in December: 71

The month with the most cloud cover is January (Cloud cover 74).
The month with the least cloud cover is July (Cloud cover 33).

Average visibility in December
Garrison, MN

Average visibility in December - Garrison, MN
  • Average visibility in December: 4mi

The months with the highest visibility are April, May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February and December (4mi).

Garrison, Minnesota, USA

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