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
As November shifts into December, a minor alteration in temperatures is observed, with average highs reducing from a freezing cold 29.5°F (-1.4°C) to a still subzero cold 23.7°F (-4.6°C). South Naknek registers a gentle descent to an average nighttime low of 16.3°F (-8.7°C) in December from its daytime highs.Humidity
The months with the highest humidity in South Naknek are January and December, with an average relative humidity of 88%.Rainfall
In December, the rain falls for 9.1 days. Throughout December, 1.34" (34mm) of precipitation is accumulated. Throughout the year, there are 158.9 rainfall days, and 18.43" (468mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. December is the month with the most snowfall. Snow falls for 11.6 days and accumulates 4.53" (115mm) of snow.Daylight
With an average of 6h and 24min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 9:54 am and sunset at 4:40 pm. On the last day of December, sunrise is at 10:18 am and sunset at 4:43 pm AKST.
Sunshine
January and December, with an average of 3.1h of sunshine, are months with the least sunshine.UV index
The months with the lowest UV index are November and December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: During December, 1 as the daily maximum UV index converts into the following advice:
Prolonged exposure to sunlight rarely troubles the majority, but constant protection is vital for babies, children, and fair-skinned people. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December?
What are the most humid months?
What is the average humidity in December?
How much does it rain in December?
What is the snowiest month?
How many days does it snow in December?
What is the month with the shortest days?
How many hours of daylight does South Naknek have in December?
What time 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
South Naknek, AK
- Average high temperature in December: 23.7°F
The warmest month (with the highest average high temperature) is July (62.4°F).
The month with the lowest average high temperature is January (20.8°F).
- Average low temperature in December: 16.3°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 (13.1°F).
Average pressure in December
South Naknek, AK
- Average pressure in December: 29.6"Hg
The month with the highest atmospheric pressure is July (29.96"Hg).
The month with the lowest atmospheric pressure is December (29.6"Hg).
Average wind speed in December
South Naknek, AK
- Average wind speed in December: 10.4mph
The windiest month (with the highest average wind speed) is December (10.4mph).
The calmest month (with the lowest average wind speed) is June (7.6mph).
Average humidity in December
South Naknek, AK
- Average humidity in December: 88%
The months with the highest relative humidity are January and December (88%).
The month with the lowest relative humidity is May (67%).
Average rainfall in December
South Naknek, AK
- Average rainfall in December: 1.34"
The wettest month (with the highest rainfall) is August (2.2").
The driest month (with the least rainfall) is January (0.94").
Average rainfall days in December
South Naknek, AK
- Average rainfall days in December: 9.1 days
The month with the highest number of rainy days is August (19.3 days).
The month with the least rainy days is March (6.7 days).
Average snowfall in December
South Naknek, AK
- Average snowfall in December: 4.53"
The month with the highest snowfall is December (4.53").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
South Naknek, AK
- Average snowfall days in December: 11.6 days
The month with the highest number of snowfall days is March (12.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
South Naknek, AK
- Average daylight in December: 6h and 2min
The month with the longest days is June (Average daylight: 18h and 18min).
The month with the shortest days is December (Average daylight: 6h and 24min).
- Average sunshine in December: 3h and 1min
The month with the most sunshine is June (Average sunshine: 8h and 12min).
The months with the least sunshine are January and December (Average sunshine: 3h and 6min).
Average sunshine days in December
South Naknek, AK
- Average sunshine days in December: 14 days
The month with the most sunshine days is January (15.3 days).
The month with the least sunshine days is July (9.2 days).
Average UV index in December
South Naknek, 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 November and December (UV index 1).
Average cloud cover in December
South Naknek, AK
- Average cloud cover in December: 58
The month with the most cloud cover is August (Cloud cover 65).
The months with the least cloud cover are January and May (Cloud cover 55).
Average visibility in December
South Naknek, AK
- Average visibility in December: 6mi
The months with the highest visibility are January, February, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is March (5mi).
South Naknek, Alaska, USA
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