Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
In December, the average high-temperature marginally drops from a freezing cold 17.1°F (-8.3°C) in November to an extremely cold 10°F (-12.2°C). A consistent nighttime average temperature of 1.4°F (-17°C) is maintained during December.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. Throughout the year, in Grayling, there are 122.8 rainfall days, and 17.44" (443mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, September through December. In December, it is snowing for 17.2 days. Throughout December, 9.33" (237mm) of snow is accumulated. Throughout the year, there are 111.6 snowfall days, and 51.93" (1319mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 5h and 0min of daylight.On the first day of the month, sunrise is at 10:45 am and sunset at 4:13 pm. On the last day of December, 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.UV index
January through March, October through 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 low health risk from unsafe exposure to UV radiation for average individuals.Note: A maximum high daily UV index of 1 during December translates into the following directions:
Most individuals can handle sun exposure for up to an hour without burning, but children must always be shielded from sun exposure. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. During bright days, sunglasses that offer UVA and UVB defense are recommended. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in December?
What are the most humid months?
What is the average humidity in December?
How many days does it rain in December in Grayling?
How much does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
When are sunrise and sunset in December?
What is the month with the least sunshine?
How many hours of sunshine does Grayling have in December?
When is the lowest UV index?
What is the UV index reading in December?
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).
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).
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).
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%).
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").
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).
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").
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).
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).
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).
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).
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).
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).
Grayling, Alaska, USA
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