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 heralds a minor drop in average high-temperature, sliding from November's 11.5°F (-11.4°C) to a still frigid cold 5.9°F (-14.5°C). Olnes reports an average low-temperature of -4.9°F (-20.5°C) during the nights of December.Humidity
The average relative humidity in December is 92%.Rainfall
In Olnes, in December, during 3.2 rainfall days, 0.39" (10mm) of precipitation is typically accumulated. In Olnes, Alaska, during the entire year, the rain falls for 100.5 days and collects up to 10.87" (276mm) of precipitation.Snowfall
Months with snowfall are January through May, August through December. In Olnes, in December, snow falls for 11.4 days, with typically accumulated 2.72" (69mm) of snow. Throughout the year, in Olnes, there are 74.3 snowfall days, and 24.49" (622mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 3h and 48min of daylight.On the first day of December, sunrise is at 10:24 am and sunset at 2:55 pm. On the last day of the month, sunrise is at 10:58 am and sunset at 2:49 pm AKST.
Sunshine
With an average of 2h of sunshine, December has the least sunshine of the year.UV index
January through March, November and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for average individuals.Note: A maximum UV index of 1 in December translates into the following recommendations:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
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?
How many days does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Olnes have in December?
What time are sunrise and sunset in December in Olnes?
What is the month with the least sunshine?
How many hours of sunshine does Olnes have in December?
What are the months with the lowest UV index in Olnes?
What is the UV index reading in December?
Average temperature in December
Olnes, AK
- Average high temperature in December: 5.9°F
The warmest month (with the highest average high temperature) is July (70.7°F).
The month with the lowest average high temperature is January (2.1°F).
- Average low temperature in December: -4.9°F
The month with the highest average low temperature is July (50.5°F).
The coldest month (with the lowest average low temperature) is January (-9°F).
Average pressure in December
Olnes, AK
- Average pressure in December: 29.86"Hg
The month with the highest atmospheric pressure is February (29.97"Hg).
The month with the lowest atmospheric pressure is September (29.77"Hg).
Average wind speed in December
Olnes, AK
- Average wind speed in December: 4.2mph
The windiest month (with the highest average wind speed) is May (5mph).
The calmest months (with the lowest average wind speed) are October, November and December (4.2mph).
Average humidity in December
Olnes, AK
- Average humidity in December: 92%
The month with the highest relative humidity is March (93%).
The month with the lowest relative humidity is June (56%).
Average rainfall in December
Olnes, AK
- Average rainfall in December: 0.39"
The wettest month (with the highest rainfall) is August (2.44").
The driest month (with the least rainfall) is January (0.31").
Average rainfall days in December
Olnes, AK
- Average rainfall days in December: 3.2 days
The month with the highest number of rainy days is August (16.4 days).
The month with the least rainy days is February (1.8 days).
Average snowfall in December
Olnes, AK
- Average snowfall in December: 2.72"
The month with the highest snowfall is November (6.5").
The months with the least snowfall are June and July (0").
Average snowfall days in December
Olnes, AK
- Average snowfall days in December: 11.4 days
The month with the highest number of snowfall days is November (13.3 days).
The months with the least snowfall days are June and July (0 days).
Average daylight in December /
Average sunshine in December
Olnes, AK
- Average daylight in December: 3h and 5min
The month with the longest days is June (Average daylight: 21h and 48min).
The month with the shortest days is December (Average daylight: 3h and 48min).
- Average sunshine in December: 2h and 0min
The month with the most sunshine is June (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 2h and 0min).
Average sunshine days in December
Olnes, AK
- Average sunshine days in December: 19.7 days
The month with the most sunshine days is January (21.4 days).
The month with the least sunshine days is April (12.2 days).
Average UV index in December
Olnes, AK
- Average UV index in December: 1
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 1).
Average cloud cover in December
Olnes, AK
- Average cloud cover in December: 50
The months with the most cloud cover are March, April and November (Cloud cover 53).
The month with the least cloud cover is May (Cloud cover 39).
Average visibility in December
Olnes, AK
- Average visibility in December: 4mi
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 (4mi).
Olnes, Alaska, USA
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