December weather forecast
Nenana, AK

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Weather in December

In December, the Nenana, Alaska, winter is in full force. The city experiences the coldest temperatures of the year, plunging as low as -6°F (-21.1°C) at night. The few hours of daylight result in a frosty, twilight ambience throughout the city. Outdoor activities come to a standstill, and the weather encourages warm fires, heavy coats, and hot cocoa. The falling snowflakes add to the holiday spirit, setting up a perfect white Christmas scenario and bidding farewell to the year in a spectacular fashion.

Temperature

The average high-temperature in Nenana, Alaska, slightly decreases in December, shifting from a frigid cold 12°F (-11.1°C) in November to an extremely cold 5.4°F (-14.8°C). Throughout the month of December, the nighttime temperature in Nenana dips to an average of -6°F (-21.1°C).

Humidity

January through March and December, with an average relative humidity of 95%, are the most humid months.

Rainfall

In December, the rain falls for 2.2 days. Throughout December, 0.39" (10mm) of precipitation is accumulated. In Nenana, during the entire year, the rain falls for 82.9 days and collects up to 10.75" (273mm) of precipitation.

Snowfall

Months with snowfall are January through May, September through December. In Nenana, in December, during 12.5 snowfall days, 2.95" (75mm) of snow is typically accumulated. Throughout the year, in Nenana, Alaska, there are 80.5 snowfall days, and 24.09" (612mm) of snow is accumulated.

Daylight

With an average of 4h and 6min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 10:22 am and sunset at 3:08 pm. On the last day of December, in Nenana, Alaska, sunrise is at 10:54 am and sunset at 3:04 pm AKST.

Sunshine

With an average of 1.8h of sunshine, December has the least sunshine of the year in Nenana, Alaska.

UV index

January through March, October through December, with an average maximum UV index of 1, are months with the lowest UV index in Nenana, Alaska. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for the ordinary person.
Note: In December, the maximum UV index of 1 translates into these guidelines:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
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Frequently asked questions

How cold is December in Nenana?

In December, the average high-temperature and low-temperature in Nenana are 5.4°F (-14.8°C) and -6°F (-21.1°C) respectively.

What is the most humid month in Nenana?

The months with the highest humidity are January through March and December, with an average relative humidity of 95%.

What is the average humidity in December in Nenana?

The average relative humidity in December in Nenana, Alaska, is 95%.

How many days does it rain in December in Nenana?

In Nenana, in December, it is raining for 2.2 days, with typically 0.39" (10mm) of accumulated precipitation.

How much does it snow in Nenana in December?

In December, in Nenana, it is snowing for 12.5 days. Throughout December, 2.95" (75mm) of snow is accumulated.

What is the month with the shortest days in Nenana?

With an average of 4h and 6min of daylight, December has the shortest days of the year in Nenana.

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

In December, the average day length in Nenana is 4h and 8min.

What time are sunrise and sunset in December in Nenana?

In December, on the first day of the month, sunrise is at 10:22 am and sunset at 3:08 pm. On the last day of the month, sunrise is at 10:54 am and sunset at 3:04 pm AKST.

What is the month with the least sunshine in Nenana?

The month with the least sunshine in Nenana is December, with an average of 1.8h of sunshine.

How many hours of sunshine does Nenana have in December?

In December, the average sunshine duration is 1.8h.

When is the lowest UV index in Nenana?

The months with the lowest UV index are January through March, October through December, with an average maximum UV index of 1.

What is the UV index reading in December in Nenana?

In Nenana, the average daily maximum UV index in December is 1. A UV Index of 2, and less, symbolizes a minimal hazard to health from exposure to Sun's UV rays.
Average max. wind speed
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
Nenana, AK

Average temperature in December - Nenana, AK
  • Average high temperature in December: 5.4°F

The warmest month (with the highest average high temperature) is July (73°F).
The month with the lowest average high temperature is January (1.4°F).

  • Average low temperature in December: -6°F

The month with the highest average low temperature is July (52°F).
The coldest month (with the lowest average low temperature) is January (-10.8°F).

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Average pressure in December
Nenana, AK

Average pressure in December - Nenana, AK
  • Average pressure in December: 29.84"Hg

The month with the highest atmospheric pressure is February (29.96"Hg).
The month with the lowest atmospheric pressure is September (29.77"Hg).

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Average wind speed in December
Nenana, AK

Average wind speed in December - Nenana, AK
  • Average wind speed in December: 4.8mph

The windiest month (with the highest average wind speed) is July (5.2mph).
The calmest months (with the lowest average wind speed) are January, August, September and October (4.7mph).

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Average humidity in December
Nenana, AK

Average humidity in December - Nenana, AK
  • Average humidity in December: 95%

The months with the highest relative humidity are January, February, March and December (95%).
The month with the lowest relative humidity is June (54%).

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Average rainfall in December
Nenana, AK

Average rainfall in December - Nenana, AK
  • Average rainfall in December: 0.39"

The wettest month (with the highest rainfall) is August (2.56").
The driest month (with the least rainfall) is January (0.31").

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Average rainfall days in December
Nenana, AK

Average rainfall days in December - Nenana, AK
  • Average rainfall days in December: 2.2 days

The month with the highest number of rainy days is August (14.9 days).
The month with the least rainy days is February (0.8 days).

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Average snowfall in December
Nenana, AK

Average snowfall in December - Nenana, AK
  • Average snowfall in December: 2.95"

The month with the highest snowfall is November (6.5").
The months with the least snowfall are June, July and August (0").

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Average snowfall days in December
Nenana, AK

Average snowfall days in December - Nenana, AK
  • Average snowfall days in December: 12.5 days

The month with the highest number of snowfall days is March (14.4 days).
The months with the least snowfall days are June, July and August (0 days).

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

Average daylight in December / Average sunshine in December - Nenana, AK
  • Average daylight in December: 4h and 1min

The month with the longest days is June (Average daylight: 21h and 12min).
The month with the shortest days is December (Average daylight: 4h and 6min).

  • Average sunshine in December: 1h and 5min

The month with the most sunshine is June (Average sunshine: 11h and 54min).
The month with the least sunshine is December (Average sunshine: 1h and 48min).

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Average sunshine days in December
Nenana, AK

Average sunshine days in December - Nenana, AK
  • Average sunshine days in December: 19.9 days

The month with the most sunshine days is January (21.4 days).
The month with the least sunshine days is April (12.5 days).

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Average UV index in December
Nenana, AK

Average UV index in December - Nenana, 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, October, November and December (UV index 1).

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Average cloud cover in December
Nenana, AK

Average cloud cover in December - Nenana, AK
  • Average cloud cover in December: 61

The month with the most cloud cover is March (Cloud cover 67).
The months with the least cloud cover are May and June (Cloud cover 42).

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Average visibility in December
Nenana, AK

Average visibility in December - Nenana, AK
  • Average visibility in December: 3mi

The months with the highest visibility are May, June, July, August and September (6mi).
The months with the lowest visibility are February and March (2mi).

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Nenana, Alaska, USA

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