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
Transitioning from November to December involves a subtle drop in average high-temperatures, descending from 28.9°F (-1.7°C) to a still freezing cold 21°F (-6.1°C). Nights in December exhibit a minor reduction to an average low temperature of 14.7°F (-9.6°C).Humidity
The average relative humidity in December is 89%.Rainfall
In Scammon Bay, in December, during 4.5 rainfall days, 1.5" (38mm) of precipitation is typically accumulated. Throughout the year, there are 119.2 rainfall days, and 18.78" (477mm) of precipitation is accumulated.Snowfall
January through June, September through December are months with snowfall. In Scammon Bay, during December, snow falls for 14.1 days and regularly aggregates up to 4.13" (105mm) of snow. In Scammon Bay, during the entire year, snow falls for 92.1 days and aggregates up to 25.24" (641mm) of snow.Daylight
The month with the shortest days is December, with an average of 5h and 24min of daylight.On the first day of the month, sunrise is at 10:55 am and sunset at 4:47 pm. On the last day of December, sunrise is at 11:23 am and sunset at 4:48 pm AKST.
Sunshine
With an average of 2.1h of sunshine, December has the least sunshine of the year.UV index
January, March, 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 low health risk from exposure to the Sun's UV radiation for average individuals.Note: In December, a regular UV index of 1 translates into these guidelines:
In contrast to children, who must always be shielded from the sun, most people can tolerate up to an hour of sun exposure without any burns. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December?
What is the average humidity in December?
How much does it rain in December?
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 long on average sun shines in December?
What is the month with the lowest UV index in Scammon Bay?
How high is the UV index in December?
Average temperature in December
Scammon Bay, AK
- Average high temperature in December: 21°F
The warmest month (with the highest average high temperature) is August (53.2°F).
The month with the lowest average high temperature is January (16.2°F).
- Average low temperature in December: 14.7°F
The month with the highest average low temperature is August (48.7°F).
The coldest month (with the lowest average low temperature) is January (9.1°F).
Average pressure in December
Scammon Bay, AK
- Average pressure in December: 29.64"Hg
The months with the highest atmospheric pressure are May and July (29.91"Hg).
The month with the lowest atmospheric pressure is December (29.64"Hg).
Average wind speed in December
Scammon Bay, AK
- Average wind speed in December: 14.8mph
The windiest month (with the highest average wind speed) is October (17.1mph).
The calmest month (with the lowest average wind speed) is May (11.1mph).
Average humidity in December
Scammon Bay, AK
- Average humidity in December: 89%
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is October (79%).
Average rainfall in December
Scammon Bay, AK
- Average rainfall in December: 1.5"
The wettest month (with the highest rainfall) is October (2.72").
The driest month (with the least rainfall) is June (0.87").
Average rainfall days in December
Scammon Bay, AK
- Average rainfall days in December: 4.5 days
The month with the highest number of rainy days is August (18.8 days).
The month with the least rainy days is February (2.9 days).
Average snowfall in December
Scammon Bay, AK
- Average snowfall in December: 4.13"
The month with the highest snowfall is February (4.33").
The months with the least snowfall are July and August (0").
Average snowfall days in December
Scammon Bay, AK
- Average snowfall days in December: 14.1 days
The month with the highest number of snowfall days is December (14.1 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in December /
Average sunshine in December
Scammon Bay, AK
- Average daylight in December: 5h and 2min
The month with the longest days is June (Average daylight: 19h and 30min).
The month with the shortest days is December (Average daylight: 5h and 24min).
- Average sunshine in December: 2h and 1min
The month with the most sunshine is May (Average sunshine: 7h and 30min).
The month with the least sunshine is December (Average sunshine: 2h and 6min).
Average sunshine days in December
Scammon Bay, AK
- Average sunshine days in December: 11.3 days
The month with the most sunshine days is May (15.9 days).
The month with the least sunshine days is October (6.8 days).
Average UV index in December
Scammon Bay, AK
- Average UV index in December: 1
The months with the highest UV index are June, July and August (UV index 3).
The months with the lowest UV index are January, March, November and December (UV index 1).
Average cloud cover in December
Scammon Bay, AK
- Average cloud cover in December: 71
The months with the most cloud cover are September and December (Cloud cover 71).
The month with the least cloud cover is June (Cloud cover 57).
Average visibility in December
Scammon Bay, AK
- Average visibility in December: 5mi
The months with the highest visibility are May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February, March, April, November and December (5mi).
Scammon Bay, Alaska, USA
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