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
The shift from November to December is characterized by an average high-temperature of a still freezing cold 21.9°F (-5.6°C), not significantly different from the 27°F (-2.8°C) of November. In December, a low-temperature average of 14.4°F (-9.8°C) is characteristic of Mud Bay, marking a minor shift from daytime temperatures.Humidity
In December, the average relative humidity is 90%.Rainfall
In Mud Bay, in December, during 12.6 rainfall days, 5.47" (139mm) of precipitation is typically accumulated. Throughout the year, there are 200.4 rainfall days, and 48.03" (1220mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall in Mud Bay. The month with the most snowfall is December, when snow falls for 17.1 days and typically aggregates up to 21.06" (535mm) of snow.Daylight
The month with the shortest days is December, with an average of 6h and 18min of daylight.On the first day of the month, sunrise is at 8:31 am and sunset at 3:10 pm. On the last day of December, sunrise is at 8:56 am and sunset at 3:13 pm AKST.
Sunshine
The months with the least sunshine are January and December, with an average of 3.7h of sunshine.UV index
February, November and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: An average maximum UV index of 1 in December leads to these recommendations:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. Avoiding the Sun during its peak radiation time around midday is a healthy practice. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
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 many days does it rain in December?
When does it snow the most?
How many days does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Mud Bay have in December?
When are sunrise and sunset in December?
What is the month with the least sunshine?
How many hours of sunshine does Mud Bay have in December?
What is the month with the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Mud Bay, AK
- Average high temperature in December: 21.9°F
The warmest month (with the highest average high temperature) is July (56.5°F).
The month with the lowest average high temperature is January (21.6°F).
- Average low temperature in December: 14.4°F
The month with the highest average low temperature is August (44.1°F).
The coldest month (with the lowest average low temperature) is February (12.4°F).
Average pressure in December
Mud Bay, AK
- Average pressure in December: 29.87"Hg
The month with the highest atmospheric pressure is July (30.01"Hg).
The month with the lowest atmospheric pressure is November (29.81"Hg).
Average wind speed in December
Mud Bay, AK
- Average wind speed in December: 6.3mph
The windiest month (with the highest average wind speed) is January (6.7mph).
The calmest month (with the lowest average wind speed) is May (4.7mph).
Average humidity in December
Mud Bay, AK
- Average humidity in December: 90%
The month with the highest relative humidity is January (92%).
The month with the lowest relative humidity is May (78%).
Average rainfall in December
Mud Bay, AK
- Average rainfall in December: 5.47"
The wettest month (with the highest rainfall) is November (5.87").
The driest month (with the least rainfall) is June (2.2").
Average rainfall days in December
Mud Bay, AK
- Average rainfall days in December: 12.6 days
The month with the highest number of rainy days is October (20.2 days).
The month with the least rainy days is February (9.3 days).
Average snowfall in December
Mud Bay, AK
- Average snowfall in December: 21.06"
The month with the highest snowfall is December (21.06").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Mud Bay, AK
- Average snowfall days in December: 17.1 days
The month with the highest number of snowfall days is December (17.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Mud Bay, AK
- Average daylight in December: 6h and 2min
The month with the longest days is June (Average daylight: 18h and 24min).
The month with the shortest days is December (Average daylight: 6h and 18min).
- Average sunshine in December: 3h and 4min
The month with the most sunshine is June (Average sunshine: 10h and 12min).
The months with the least sunshine are January and December (Average sunshine: 3h and 42min).
Average sunshine days in December
Mud Bay, AK
- Average sunshine days in December: 8.9 days
The month with the most sunshine days is February (10.4 days).
The month with the least sunshine days is June (6.3 days).
Average UV index in December
Mud Bay, AK
- Average UV index in December: 1
The month with the highest UV index is July (UV index 4).
The months with the lowest UV index are February, November and December (UV index 1).
Average cloud cover in December
Mud Bay, AK
- Average cloud cover in December: 63
The month with the most cloud cover is December (Cloud cover 63).
The month with the least cloud cover is May (Cloud cover 47).
Average visibility in December
Mud Bay, AK
- Average visibility in December: 4mi
The months with the highest visibility are May, June, July, August, September and October (5mi).
The months with the lowest visibility are January, February, March, April, November and December (4mi).
Mud Bay, Alaska, USA
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