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 sees an average high-temperature of a still subzero cold 18.5°F (-7.5°C), exhibiting a slight fluctuation from the previous month. Petersville indicates a consistently low-temperature of 10.2°F (-12.1°C) during the nights of December.Humidity
The average relative humidity in December is 82%.Rainfall
In Petersville, during December, the rain falls for 4.8 days and regularly aggregates up to 1.14" (29mm) of precipitation. In Petersville, during the entire year, the rain falls for 131.6 days and collects up to 17.36" (441mm) of precipitation.Snowfall
Months with snowfall are January through May, September through December. In December, it is snowing for 12.3 days. Throughout December, 7.48" (190mm) of snow is accumulated. In Petersville, during the entire year, snow falls for 60.9 days and aggregates up to 36.89" (937mm) of snow.Daylight
December has the shortest days of the year, with an average of 5h and 6min of daylight.On the first day of the month, sunrise is at 10:03 am and sunset at 3:41 pm. On the last day of December, sunrise is at 10:31 am and sunset at 3:41 pm AKST.
Sunshine
The month with the least sunshine is December, with an average of 3.8h of sunshine.UV index
The month with the lowest UV index in Petersville is December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: A maximum high UV index of 1 in December translates into the following recommendations:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in December?
What is the average humidity in December?
How many days does it rain in December in Petersville?
How much does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Petersville have 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?
When is the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Petersville, AK
- Average high temperature in December: 18.5°F
The warmest month (with the highest average high temperature) is July (65.5°F).
The month with the lowest average high temperature is January (16.9°F).
- Average low temperature in December: 10.2°F
The month with the highest average low temperature is July (48.4°F).
The coldest month (with the lowest average low temperature) is January (8.8°F).
Average pressure in December
Petersville, AK
- Average pressure in December: 29.72"Hg
The month with the highest atmospheric pressure is July (29.94"Hg).
The month with the lowest atmospheric pressure is December (29.72"Hg).
Average wind speed in December
Petersville, AK
- Average wind speed in December: 6.4mph
The windiest month (with the highest average wind speed) is January (7mph).
The calmest month (with the lowest average wind speed) is July (4.3mph).
Average humidity in December
Petersville, AK
- Average humidity in December: 82%
The month with the highest relative humidity is March (85%).
The month with the lowest relative humidity is May (64%).
Average rainfall in December
Petersville, AK
- Average rainfall in December: 1.14"
The wettest month (with the highest rainfall) is September (2.68").
The driest month (with the least rainfall) is January (0.71").
Average rainfall days in December
Petersville, AK
- Average rainfall days in December: 4.8 days
The month with the highest number of rainy days is August (20.4 days).
The month with the least rainy days is December (4.8 days).
Average snowfall in December
Petersville, AK
- Average snowfall in December: 7.48"
The month with the highest snowfall is November (7.87").
The months with the least snowfall are June, July and August (0").
Average snowfall days in December
Petersville, AK
- Average snowfall days in December: 12.3 days
The month with the highest number of snowfall days is December (12.3 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Petersville, AK
- Average daylight in December: 5h and 1min
The month with the longest days is June (Average daylight: 19h and 48min).
The month with the shortest days is December (Average daylight: 5h and 6min).
- Average sunshine in December: 3h and 5min
The month with the most sunshine is May (Average sunshine: 11h and 36min).
The month with the least sunshine is December (Average sunshine: 3h and 48min).
Average sunshine days in December
Petersville, AK
- Average sunshine days in December: 18.4 days
The month with the most sunshine days is January (19.5 days).
The month with the least sunshine days is August (8.3 days).
Average UV index in December
Petersville, AK
- Average UV index in December: 1
The months with the highest UV index are June and July (UV index 4).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Petersville, AK
- Average cloud cover in December: 44
The month with the most cloud cover is August (Cloud cover 48).
The month with the least cloud cover is January (Cloud cover 38).
Average visibility in December
Petersville, AK
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is April (5mi).
Petersville, Alaska, USA
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