December weather forecast
Karluk, AK

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Weather in December

The first month of the winter, December, is also a wintry month in Karluk, Alaska, with an average temperature fluctuating between 29.1°F (-1.6°C) and 34°F (1.1°C).

Temperature

Karluk's shift from November to December is accompanied by an average high-temperature of a still wintry 34°F (1.1°C), a slight deviation from 37.6°F (3.1°C). A consistent nighttime average temperature of 29.1°F (-1.6°C) is maintained during December.

Humidity

The average relative humidity in December is 84%.

Rainfall

In Karluk, in December, during 16.1 rainfall days, 3.86" (98mm) of precipitation is typically accumulated. In Karluk, during the entire year, the rain falls for 201 days and collects up to 34.33" (872mm) of precipitation.

Snowfall

January through May, September through December are months with snowfall. In Karluk, in December, during 9.3 snowfall days, 5.43" (138mm) of snow is typically accumulated. In Karluk, during the entire year, snow falls for 59 days and aggregates up to 25.04" (636mm) of snow.

Daylight

December has the shortest days of the year, with an average of 6h and 42min of daylight.
On the first day of December, sunrise is at 9:36 am and sunset at 4:38 pm. On the last day of the month, sunrise is at 9:59 am and sunset at 4:42 pm AKST.

Sunshine

The months with the least sunshine are January and December, with an average of 2.7h of sunshine.

UV index

The months with the lowest UV index are January, November and December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for the average person.
Note: In December, the maximum UV index of 1 transforms into these recommendations:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
Updated: Jun 18, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is December?

December temperatures in Karluk vary between a high-temperature of 34°F (1.1°C) and a low-temperature of 29.1°F (-1.6°C).

What is the average humidity in December?

In December, the average relative humidity is 84%.

How much does it rain in December?

In Karluk, during December, the rain falls for 16.1 days and regularly aggregates up to 3.86" (98mm) of precipitation.

How much does it snow in December?

In Karluk, during December, snow falls for 9.3 days and regularly aggregates up to 5.43" (138mm) of snow.

What is the month with the shortest days?

The month with the shortest days is December, with an average of 6h and 42min of daylight.

How many hours of daylight does Karluk have in December?

In December, the average day length is 6h and 42min.

When is the sunrise / sunset in December?

On the first day of December, sunrise is at 9:36 am and sunset at 4:38 pm. On the last day of the month, sunrise is at 9:59 am and sunset at 4:42 pm AKST.

What are the months with the least sunshine?

The months with the least sunshine are January and December, with an average of 2.7h of sunshine.

How long on average sun shines in December in Karluk?

In December, the average sunshine duration is 2.7h.

What are the months with the lowest UV index?

January, November and December, with an average maximum UV index of 1, are months with the lowest UV index.

How high is the UV index in December?

The average daily maximum UV index in December is 1. A UV Index estimate of 2, and below, represents a minimal hazard to health from unsafe exposure to Sun's UV rays.
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
Karluk, AK

Average temperature in December - Karluk, AK
  • Average high temperature in December: 34°F

The warmest month (with the highest average high temperature) is August (56.3°F).
The month with the lowest average high temperature is January (32.5°F).

  • Average low temperature in December: 29.1°F

The month with the highest average low temperature is August (49.6°F).
The coldest month (with the lowest average low temperature) is March (26.6°F).

Average pressure in December
Karluk, AK

Average pressure in December - Karluk, AK
  • Average pressure in December: 29.56"Hg

The month with the highest atmospheric pressure is July (29.97"Hg).
The month with the lowest atmospheric pressure is December (29.56"Hg).

Average wind speed in December
Karluk, AK

Average wind speed in December - Karluk, AK
  • Average wind speed in December: 14mph

The windiest month (with the highest average wind speed) is December (14mph).
The calmest month (with the lowest average wind speed) is July (8.1mph).

Average humidity in December
Karluk, AK

Average humidity in December - Karluk, AK
  • Average humidity in December: 84%

The months with the highest relative humidity are July and August (86%).
The month with the lowest relative humidity is May (80%).

Average rainfall in December
Karluk, AK

Average rainfall in December - Karluk, AK
  • Average rainfall in December: 3.86"

The wettest month (with the highest rainfall) is October (4.06").
The driest month (with the least rainfall) is June (1.89").

Average rainfall days in December
Karluk, AK

Average rainfall days in December - Karluk, AK
  • Average rainfall days in December: 16.1 days

The months with the highest number of rainy days are May, September and October (18.8 days).
The month with the least rainy days is March (12.7 days).

Average snowfall in December
Karluk, AK

Average snowfall in December - Karluk, AK
  • Average snowfall in December: 5.43"

The month with the highest snowfall is February (5.83").
The months with the least snowfall are June, July and August (0").

Average snowfall days in December
Karluk, AK

Average snowfall days in December - Karluk, AK
  • Average snowfall days in December: 9.3 days

The month with the highest number of snowfall days is March (11.3 days).
The months with the least snowfall days are June, July and August (0 days).

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

Average daylight in December / Average sunshine in December - Karluk, AK
  • Average daylight in December: 6h and 4min

The month with the longest days is June (Average daylight: 17h and 54min).
The month with the shortest days is December (Average daylight: 6h and 42min).

  • Average sunshine in December: 2h and 4min

The month with the most sunshine is June (Average sunshine: 8h and 6min).
The months with the least sunshine are January and December (Average sunshine: 2h and 42min).

Average sunshine days in December
Karluk, AK

Average sunshine days in December - Karluk, AK
  • Average sunshine days in December: 9.2 days

The month with the most sunshine days is July (11.9 days).
The month with the least sunshine days is February (7 days).

Average UV index in December
Karluk, AK

Average UV index in December - Karluk, 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 January, November and December (UV index 1).

Average cloud cover in December
Karluk, AK

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

The months with the most cloud cover are February and December (Cloud cover 61).
The months with the least cloud cover are August and September (Cloud cover 55).

Average visibility in December
Karluk, AK

Average visibility in December - Karluk, AK
  • Average visibility in December: 6mi

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

Karluk, Alaska, USA

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