December weather forecast
Grayling, MN

Share

Weather in December

December, the first month of the winter in Grayling, is also a subzero cold month, with an average temperature fluctuating between 10.6°F (-11.9°C) and 22.1°F (-5.5°C).

Temperature

The shift to December brings a decrease in the average high-temperature, falling from a cold 36°F (2.2°C) in November to a freezing cold 22.1°F (-5.5°C). During the nights in December, an average low-temperature of 10.6°F (-11.9°C) is observed.

Humidity

The average relative humidity in December is 89%.

Rainfall

In Grayling, in December, it is raining for 2.4 days, with typically 0.94" (24mm) of accumulated precipitation. Throughout the year, in Grayling, there are 108 rainfall days, and 18.58" (472mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall in Grayling, Minnesota. December is the month with the most snowfall in Grayling, Minnesota. Snow falls for 14.5 days and accumulates 6.18" (157mm) of snow.

Daylight

December has the shortest days of the year, with an average of 8h and 36min of daylight.
On the first day of December, sunrise is at 7:37 am and sunset at 4:27 pm. On the last day of the month, sunrise is at 7:57 am and sunset at 4:35 pm CST.

Sunshine

In Grayling, Minnesota, the average sunshine in December is 2.7h.

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 of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for the ordinary person.
Note: The UV index of 1 in December translates into these instructions:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. Direct Sun exposure should be minimized especially during midday when radiation is most intense. 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.
[Resources]

Frequently asked questions

How cold is December in Grayling?

The average high-temperature and low-temperature in Grayling during December are 22.1°F (-5.5°C) and 10.6°F (-11.9°C) respectively.

What is the average humidity in December in Grayling?

The average relative humidity in December in Grayling, Minnesota, is 89%.

How much does it rain in Grayling in December?

In December, the rain falls for 2.4 days. Throughout December, 0.94" (24mm) of precipitation is accumulated.

What is the snowiest month in Grayling?

December is the month with the most snowfall. Snow falls for 14.5 days and accumulates 6.18" (157mm) of snow.

How much does it snow in Grayling in December?

In Grayling, Minnesota, during December, snow falls for 14.5 days and regularly aggregates up to 6.18" (157mm) of snow.

What is the month with the shortest days in Grayling?

With an average of 8h and 36min of daylight, December has the shortest days of the year in Grayling.

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

In December, the average day length in Grayling, Minnesota, is 8h and 38min.

When is the sunrise / sunset in December in Grayling?

On the first day of December, sunrise is at 7:37 am and sunset at 4:27 pm. On the last day of the month, sunrise is at 7:57 am and sunset at 4:35 pm CST.

How long on average sun shines in December in Grayling?

In Grayling, Minnesota, the average sunshine duration in December is 2.7h.

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

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

What is the UV index reading in December in Grayling?

The average daily maximum UV index in December in Grayling is 1. A UV Index value of 2, and less, symbolizes a low health risk 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
Grayling, MN

Average temperature in December - Grayling, MN
  • Average high temperature in December: 22.1°F

The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (17.1°F).

  • Average low temperature in December: 10.6°F

The month with the highest average low temperature is July (58.3°F).
The coldest month (with the lowest average low temperature) is January (2.7°F).

[Resources]

Average pressure in December
Grayling, MN

Average pressure in December - Grayling, 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).

[Resources]

Average wind speed in December
Grayling, MN

Average wind speed in December - Grayling, MN
  • Average wind speed in December: 6.8mph

The windiest month (with the highest average wind speed) is April (7.8mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).

[Resources]

Average humidity in December
Grayling, MN

Average humidity in December - Grayling, 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 (71%).

[Resources]

Average rainfall in December
Grayling, MN

Average rainfall in December - Grayling, MN
  • Average rainfall in December: 0.94"

The wettest month (with the highest rainfall) is June (2.87").
The driest month (with the least rainfall) is January (0.51").

[Resources]

Average rainfall days in December
Grayling, MN

Average rainfall days in December - Grayling, MN
  • Average rainfall days in December: 2.4 days

The month with the highest number of rainy days is June (15.6 days).
The months with the least rainy days are January and February (1.9 days).

[Resources]

Average snowfall in December
Grayling, MN

Average snowfall in December - Grayling, MN
  • Average snowfall in December: 6.18"

The month with the highest snowfall is December (6.18").
The months with the least snowfall are June, July, August and September (0").

[Resources]

Average snowfall days in December
Grayling, MN

Average snowfall days in December - Grayling, MN
  • Average snowfall days in December: 14.5 days

The month with the highest number of snowfall days is January (15.2 days).
The months with the least snowfall days are June, July, August and September (0 days).

[Resources]

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

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

The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).

  • Average sunshine in December: 2h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 2h and 12min).

[Resources]

Average sunshine days in December
Grayling, MN

Average sunshine days in December - Grayling, MN
  • Average sunshine days in December: 16.2 days

The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is June (12.2 days).

[Resources]

Average UV index in December
Grayling, MN

Average UV index in December - Grayling, 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).

[Resources]

Average cloud cover in December
Grayling, MN

Average cloud cover in December - Grayling, MN
  • Average cloud cover in December: 73

The month with the most cloud cover is January (Cloud cover 77).
The months with the least cloud cover are July and August (Cloud cover 35).

[Resources]

Average visibility in December
Grayling, MN

Average visibility in December - Grayling, 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).

[Resources]

Grayling, Minnesota, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location