December weather forecast
Grayling, AK

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Weather in December

The first month of the winter, December, is still an extremely cold month in Grayling, Alaska, with temperature in the range of an average low of 1.4°F (-17°C) and an average high of 10°F (-12.2°C).

Temperature

Transitioning from November to December involves a subtle drop in average high-temperatures, descending from a freezing cold 17.1°F (-8.3°C) to an extremely cold 10°F (-12.2°C). Grayling's nocturnal readings in December exhibit minimal variation from the daytime temperatures, averaging at a polar cold 1.4°F (-17°C).

Humidity

The months with the highest humidity are January through March and December, with an average relative humidity of 95%.

Rainfall

In December, the rain falls for 3 days. Throughout December, 1.3" (33mm) of precipitation is accumulated. In Grayling, Alaska, during the entire year, the rain falls for 122.8 days and collects up to 17.44" (443mm) of precipitation.

Snowfall

Months with snowfall are January through May, September through December. In December, in Grayling, Alaska, it is snowing for 17.2 days. Throughout December, 9.33" (237mm) of snow is accumulated. In Grayling, during the entire year, snow falls for 111.6 days and aggregates up to 51.93" (1319mm) of snow.

Daylight

The month with the shortest days in Grayling, Alaska, is December, with an average of 5h and 0min of daylight.
On the first day of December, sunrise is at 10:45 am and sunset at 4:13 pm. On the last day of the month, sunrise is at 11:13 am and sunset at 4:13 pm AKST.

Sunshine

With an average of 2.4h of sunshine, December has the least sunshine of the year in Grayling.

UV index

January through March, October through December, with an average maximum UV index of 1, are months with the lowest UV index in Grayling. A UV Index reading of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for the ordinary person.
Note: An average maximum UV index of 1 in December leads to these recommendations:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
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Frequently asked questions

How cold is it in Grayling in December?

The high-temperature, in December, in Grayling, is 10°F (-12.2°C), while the low-temperature averages to 1.4°F (-17°C).

What is the most humid month in Grayling?

The months with the highest humidity in Grayling are January through March and December, with an average relative humidity of 95%.

What is the average humidity in December in Grayling?

In Grayling, Alaska, the average relative humidity in December is 95%.

How much does it rain in Grayling in December?

In December, in Grayling, Alaska, the rain falls for 3 days. Throughout December, 1.3" (33mm) of precipitation is accumulated.

How many days does it snow in December in Grayling?

In Grayling, in December, during 17.2 snowfall days, 9.33" (237mm) of snow is typically accumulated.

What is the month with the shortest days in Grayling?

The month with the shortest days is December, with an average of 5h and 0min of daylight.

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

In Grayling, Alaska, the average day length in December is 4h and 58min.

When are sunrise and sunset in December in Grayling?

On the first day of December in Grayling, Alaska, sunrise is at 10:45 am and sunset at 4:13 pm. On the last day of the month, sunrise is at 11:13 am and sunset at 4:13 pm AKST.

What is the month with the least sunshine in Grayling?

December has the least sunshine of the year, with an average of 2.4h of sunshine.

How many hours of sunshine does Grayling have in December?

In Grayling, the average sunshine duration in December is 2.4h.

What are the months with the lowest UV index in Grayling?

January through March, October through December, with an average maximum UV index of 1, are months with the lowest UV index in Grayling, Alaska.

How high is the UV index in December in Grayling?

In December, the average daily maximum UV index is 1. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation.
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, AK

Average temperature in December - Grayling, AK
  • Average high temperature in December: 10°F

The warmest month (with the highest average high temperature) is July (64.9°F).
The month with the lowest average high temperature is January (6.4°F).

  • Average low temperature in December: 1.4°F

The month with the highest average low temperature is July (47.8°F).
The coldest month (with the lowest average low temperature) is January (-3.1°F).

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Average pressure in December
Grayling, AK

Average pressure in December - Grayling, AK
  • Average pressure in December: 29.72"Hg

The month with the highest atmospheric pressure is July (29.91"Hg).
The month with the lowest atmospheric pressure is October (29.7"Hg).

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Average wind speed in December
Grayling, AK

Average wind speed in December - Grayling, AK
  • Average wind speed in December: 6.3mph

The windiest month (with the highest average wind speed) is January (6.8mph).
The calmest month (with the lowest average wind speed) is July (5.1mph).

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Average humidity in December
Grayling, AK

Average humidity in December - Grayling, AK
  • Average humidity in December: 95%

The months with the highest relative humidity are January, February, March and December (95%).
The month with the lowest relative humidity is June (63%).

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Average rainfall in December
Grayling, AK

Average rainfall in December - Grayling, AK
  • Average rainfall in December: 1.3"

The wettest month (with the highest rainfall) is August (2.28").
The driest month (with the least rainfall) is March (0.94").

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Average rainfall days in December
Grayling, AK

Average rainfall days in December - Grayling, AK
  • Average rainfall days in December: 3 days

The month with the highest number of rainy days is August (20.8 days).
The months with the least rainy days are February and December (3 days).

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Average snowfall in December
Grayling, AK

Average snowfall in December - Grayling, AK
  • Average snowfall in December: 9.33"

The month with the highest snowfall is February (10.24").
The months with the least snowfall are June, July and August (0").

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Average snowfall days in December
Grayling, AK

Average snowfall days in December - Grayling, AK
  • Average snowfall days in December: 17.2 days

The month with the highest number of snowfall days is March (18.4 days).
The months with the least snowfall days are June, July and August (0 days).

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

Average daylight in December / Average sunshine in December - Grayling, AK
  • Average daylight in December: 5h and 0min

The month with the longest days is June (Average daylight: 20h and 0min).
The month with the shortest days is December (Average daylight: 5h and 0min).

  • Average sunshine in December: 2h and 2min

The month with the most sunshine is June (Average sunshine: 8h and 54min).
The month with the least sunshine is December (Average sunshine: 2h and 24min).

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Average sunshine days in December
Grayling, AK

Average sunshine days in December - Grayling, AK
  • Average sunshine days in December: 14 days

The month with the most sunshine days is January (16.5 days).
The month with the least sunshine days is August (8.1 days).

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Average UV index in December
Grayling, AK

Average UV index in December - Grayling, AK
  • Average UV index in December: 1

The months with the highest UV index are May, June and July (UV index 4).
The months with the lowest UV index are January, February, March, October, November and December (UV index 1).

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Average cloud cover in December
Grayling, AK

Average cloud cover in December - Grayling, AK
  • Average cloud cover in December: 68

The month with the most cloud cover is April (Cloud cover 71).
The month with the least cloud cover is June (Cloud cover 48).

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Average visibility in December
Grayling, AK

Average visibility in December - Grayling, AK
  • Average visibility in December: 3mi

The months with the highest visibility are May and June (6mi).
The months with the lowest visibility are February, March, April and December (3mi).

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Grayling, Alaska, USA

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