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
December's onset brings an average high-temperature of a still subzero cold 22.1°F (-5.5°C), showing a minute difference from November's 27.3°F (-2.6°C). Pedro Bay welcomes an average low temperature of 14.4°F (-9.8°C) in December, a gentle shift from the day's high.Humidity
The months with the highest humidity are February, March and December, with an average relative humidity of 87%.Rainfall
In December, the rain falls for 8.7 days. Throughout December, 2.09" (53mm) of precipitation is accumulated. Throughout the year, there are 148.8 rainfall days, and 21.54" (547mm) of precipitation is accumulated.Snowfall
January through May, September through December are months with snowfall. The month with the most snowfall is December, when snow falls for 14.7 days and typically aggregates up to 9.33" (237mm) of snow.Daylight
With an average of 6h and 6min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 9:51 am and sunset at 4:20 pm. On the last day of December, in Pedro Bay, sunrise is at 10:16 am and sunset at 4:23 pm AKST.
Sunshine
With an average of 3h of sunshine, December has the least sunshine of the year.UV index
The average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for average individuals.Note: A typical high UV index of 2 in December suggests the following recommendations:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Experience reduced UV exposure by about half when donning a wide-brim hat. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in December?
What is the most humid month?
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 Pedro Bay have in December?
When is the sunrise / sunset in December?
What is the month with the least sunshine?
How long on average sun shines in December?
How high is the UV index in December?
Average temperature in December
Pedro Bay, AK
- Average high temperature in December: 22.1°F
The warmest month (with the highest average high temperature) is July (59.2°F).
The month with the lowest average high temperature is January (20.1°F).
- Average low temperature in December: 14.4°F
The month with the highest average low temperature is July (48.7°F).
The coldest month (with the lowest average low temperature) is January (12.2°F).
Average pressure in December
Pedro Bay, AK
- Average pressure in December: 29.64"Hg
The month with the highest atmospheric pressure is July (29.95"Hg).
The month with the lowest atmospheric pressure is December (29.64"Hg).
Average wind speed in December
Pedro Bay, AK
- Average wind speed in December: 9.9mph
The windiest month (with the highest average wind speed) is December (9.9mph).
The calmest months (with the lowest average wind speed) are June and July (7.3mph).
Average humidity in December
Pedro Bay, AK
- Average humidity in December: 87%
The months with the highest relative humidity are February, March and December (87%).
The month with the lowest relative humidity is May (72%).
Average rainfall in December
Pedro Bay, AK
- Average rainfall in December: 2.09"
The wettest month (with the highest rainfall) is September (3.31").
The driest month (with the least rainfall) is January (1.02").
Average rainfall days in December
Pedro Bay, AK
- Average rainfall days in December: 8.7 days
The month with the highest number of rainy days is August (18.1 days).
The month with the least rainy days is February (6.3 days).
Average snowfall in December
Pedro Bay, AK
- Average snowfall in December: 9.33"
The month with the highest snowfall is December (9.33").
The months with the least snowfall are June, July and August (0").
Average snowfall days in December
Pedro Bay, AK
- Average snowfall days in December: 14.7 days
The month with the highest number of snowfall days is December (14.7 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Pedro Bay, AK
- Average daylight in December: 6h and 1min
The month with the longest days is June (Average daylight: 18h and 36min).
The month with the shortest days is December (Average daylight: 6h and 6min).
- Average sunshine in December: 3h and 0min
The month with the most sunshine is June (Average sunshine: 9h and 36min).
The month with the least sunshine is December (Average sunshine: 3h and 0min).
Average sunshine days in December
Pedro Bay, AK
- Average sunshine days in December: 12.1 days
The month with the most sunshine days is May (14.3 days).
The month with the least sunshine days is September (9.7 days).
Average UV index in December
Pedro Bay, AK
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 4).
The month with the lowest UV index is November (UV index 1).
Average cloud cover in December
Pedro Bay, AK
- Average cloud cover in December: 57
The month with the most cloud cover is August (Cloud cover 58).
The month with the least cloud cover is June (Cloud cover 50).
Average visibility in December
Pedro Bay, AK
- Average visibility in December: 5mi
The months with the highest visibility are January, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are February, March and December (5mi).
Pedro Bay, Alaska, USA
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