December weather forecast
Olnes, AK

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Weather in December

December, the first month of the winter in Olnes, is still an extremely cold month, with temperature in the range of an average high of 5.9°F (-14.5°C) and an average low of -4.9°F (-20.5°C).

Temperature

The arrival of December suggests a slight decrease in the average high-temperature, moving from an extreme cold 11.5°F (-11.4°C) in November to an extremely cold 5.9°F (-14.5°C). Olnes sees an average low-temperature of -4.9°F (-20.5°C) during December.

Humidity

In December, the average relative humidity in Olnes, Alaska, is 92%.

Rainfall

In Olnes, during December, the rain falls for 3.2 days and regularly aggregates up to 0.39" (10mm) of precipitation. In Olnes, during the entire year, the rain falls for 100.5 days and collects up to 10.87" (276mm) of precipitation.

Snowfall

January through May, August through December are months with snowfall in Olnes. In December, it is snowing for 11.4 days. Throughout December, 2.72" (69mm) of snow is accumulated. Throughout the year, in Olnes, there are 74.3 snowfall days, and 24.49" (622mm) of snow is accumulated.

Daylight

The month with the shortest days is December, with an average of 3h and 48min of daylight.
On the first day of the month, sunrise is at 10:24 am and sunset at 2:55 pm. On the last day of December, in Olnes, Alaska, sunrise is at 10:58 am and sunset at 2:49 pm AKST.

Sunshine

December has the least sunshine of the year in Olnes, with an average of 2h of sunshine.

UV index

The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for the average person.
Note: A maximum UV index of 1 in December translates into the following recommendations:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
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Frequently asked questions

How cold is December in Olnes?

In December, the average high-temperature and low-temperature in Olnes are 5.9°F (-14.5°C) and -4.9°F (-20.5°C) respectively.

What is the average humidity in December in Olnes?

In December, the average relative humidity in Olnes, Alaska, is 92%.

How many days does it rain in December in Olnes?

In Olnes, Alaska, in December, during 3.2 rainfall days, 0.39" (10mm) of precipitation is typically accumulated.

How many days does it snow in December in Olnes?

In Olnes, during December, snow falls for 11.4 days and regularly aggregates up to 2.72" (69mm) of snow.

What is the month with the shortest days in Olnes?

The month with the shortest days in Olnes, Alaska, is December, with an average of 3h and 48min of daylight.

What is the average length of the day in December in Olnes?

In December, the average day length in Olnes is 3h and 50min.

When is the sunrise / sunset in December in Olnes?

In December, on the first day of the month, sunrise is at 10:24 am and sunset at 2:55 pm. On the last day of the month, in Olnes, sunrise is at 10:58 am and sunset at 2:49 pm AKST.

What is the month with the least sunshine in Olnes?

The month with the least sunshine is December, with an average of 2h of sunshine.

How long on average sun shines in December in Olnes?

In Olnes, Alaska, the average sunshine duration in December is 2h.

When is the lowest UV index in Olnes?

The months with the lowest UV index in Olnes are January through March, November and December, with an average maximum UV index of 1.

What is the UV index intensity in December in Olnes?

In December, the average daily maximum UV index is 1. A UV Index of 2, and less, symbolizes a low health threat from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Olnes, AK

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).

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Average pressure in December
Olnes, AK

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).

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Average wind speed in December
Olnes, AK

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).

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Average humidity in December
Olnes, AK

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%).

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Average rainfall in December
Olnes, AK

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").

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Average rainfall days in December
Olnes, AK

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).

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Average snowfall in December
Olnes, AK

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").

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Average snowfall days in December
Olnes, AK

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).

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Average daylight in December /
Average sunshine in December
Olnes, AK

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).

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Average sunshine days in December
Olnes, AK

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).

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Average UV index in December
Olnes, AK

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).

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Average cloud cover in December
Olnes, AK

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).

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Average visibility in December
Olnes, AK

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).

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Olnes, Alaska, USA

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