December weather forecast
Bethel, AK

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Weather in December

December brings the year to a close on a cold note, with freezing temperatures testing the endurance of those in Bethel. Snowfall increases to its highest annual at 3.5" (89mm), turning the city into a winter paradise. The frigid weather encourages indoor activities, further fostering the season's festive spirit. The city fills with Christmas decorations, painting a picturesque winter scene. Bethel, amidst the icy wind, and falling snowflakes, gets entrenched in the holiday spirit, closing the year with a dazzling wintery spectacle.

Temperature

A subtle change in temperatures is noted as November gives way to December, with average highs reducing from 23.2°F (-4.9°C) to a still freezing cold 16.7°F (-8.5°C). Bethel, during December nights, experiences a subtle shift to a low average of 7.9°F (-13.4°C) from the day's heat.

Humidity

In December, the average relative humidity in Bethel is 90%.

Rainfall

In Bethel, in December, it is raining for 5.6 days, with typically 1.14" (29mm) of accumulated precipitation. In Bethel, Alaska, during the entire year, the rain falls for 129.5 days and collects up to 16.46" (418mm) of precipitation.

Snowfall

Months with snowfall are January through May, September through December. In December, in Bethel, it is snowing for 12.8 days. Throughout December, 3.5" (89mm) of snow is accumulated. Throughout the year, in Bethel, there are 74.8 snowfall days, and 22.91" (582mm) of snow is accumulated.

Daylight

With an average of 5h and 48min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 10:30 am and sunset at 4:42 pm. On the last day of December, in Bethel, sunrise is at 10:56 am and sunset at 4:44 pm AKST.

Sunshine

With an average of 2.7h of sunshine, December has the least sunshine of the year in Bethel.

UV index

February, March and December, with an average maximum UV index of 1, are months with the lowest UV index in Bethel. A UV Index value of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for average individuals.
Note: A typical high UV index of 1 in December suggests the following recommendations:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. Around midday, solar radiation is most harmful; hence, exposure should be limited. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
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Frequently asked questions

How cold is December in Bethel?

In December, the average high-temperature and low-temperature in Bethel are 16.7°F (-8.5°C) and 7.9°F (-13.4°C) respectively.

What is the average humidity in December in Bethel?

In Bethel, Alaska, the average relative humidity in December is 90%.

How much does it rain in Bethel in December?

In Bethel, Alaska, in December, during 5.6 rainfall days, 1.14" (29mm) of precipitation is typically accumulated.

How much does it snow in Bethel in December?

In Bethel, Alaska, in December, during 12.8 snowfall days, 3.5" (89mm) of snow is typically accumulated.

What is the month with the shortest days in Bethel?

The month with the shortest days in Bethel is December, with an average of 5h and 48min of daylight.

How many hours of daylight does Bethel have in December?

The average day length in December in Bethel, Alaska, is 5h and 47min.

What time are sunrise and sunset in December in Bethel?

On the first day of December, sunrise is at 10:30 am and sunset at 4:42 pm. On the last day of the month, sunrise is at 10:56 am and sunset at 4:44 pm AKST.

What is the month with the least sunshine in Bethel?

With an average of 2.7h of sunshine, December has the least sunshine of the year in Bethel.

How long on average sun shines in December in Bethel?

The average sunshine duration in December in Bethel is 2.7h.

What is the month with the lowest UV index in Bethel?

February, March and December, with an average maximum UV index of 1, are months with the lowest UV index in Bethel.

How high is the UV index in December in Bethel?

In Bethel, 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 unprotected exposure to 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
Bethel, AK

Average temperature in December - Bethel, AK
  • Average high temperature in December: 16.7°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 (12.2°F).

  • Average low temperature in December: 7.9°F

The month with the highest average low temperature is July (49.6°F).
The coldest month (with the lowest average low temperature) is January (3.7°F).

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Average pressure in December
Bethel, AK

Average pressure in December - Bethel, AK
  • Average pressure in December: 29.64"Hg

The month with the highest atmospheric pressure is July (29.92"Hg).
The month with the lowest atmospheric pressure is December (29.64"Hg).

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Average wind speed in December
Bethel, AK

Average wind speed in December - Bethel, AK
  • Average wind speed in December: 12.1mph

The windiest month (with the highest average wind speed) is January (12.7mph).
The calmest month (with the lowest average wind speed) is July (8.5mph).

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Average humidity in December
Bethel, AK

Average humidity in December - Bethel, AK
  • Average humidity in December: 90%

The months with the highest relative humidity are January, February and March (91%).
The month with the lowest relative humidity is June (65%).

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Average rainfall in December
Bethel, AK

Average rainfall in December - Bethel, AK
  • Average rainfall in December: 1.14"

The wettest month (with the highest rainfall) is August (2.09").
The driest months (with the least rainfall) are January and April (0.91").

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Average rainfall days in December
Bethel, AK

Average rainfall days in December - Bethel, AK
  • Average rainfall days in December: 5.6 days

The month with the highest number of rainy days is August (19.7 days).
The month with the least rainy days is March (4.4 days).

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Average snowfall in December
Bethel, AK

Average snowfall in December - Bethel, AK
  • Average snowfall in December: 3.5"

The month with the highest snowfall is February (4.96").
The months with the least snowfall are June, July and August (0").

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Average snowfall days in December
Bethel, AK

Average snowfall days in December - Bethel, AK
  • Average snowfall days in December: 12.8 days

The month with the highest number of snowfall days is December (12.8 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
Bethel, AK

Average daylight in December / Average sunshine in December - Bethel, AK
  • Average daylight in December: 5h and 5min

The month with the longest days is June (Average daylight: 19h and 0min).
The month with the shortest days is December (Average daylight: 5h and 48min).

  • Average sunshine in December: 2h and 4min

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

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Average sunshine days in December
Bethel, AK

Average sunshine days in December - Bethel, AK
  • Average sunshine days in December: 14.5 days

The month with the most sunshine days is March (17.5 days).
The month with the least sunshine days is August (8.6 days).

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Average UV index in December
Bethel, AK

Average UV index in December - Bethel, AK
  • Average UV index in December: 1

The months with the highest UV index are May, June, July and August (UV index 3).
The months with the lowest UV index are February, March and December (UV index 1).

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Average cloud cover in December
Bethel, AK

Average cloud cover in December - Bethel, AK
  • Average cloud cover in December: 62

The months with the most cloud cover are July and August (Cloud cover 67).
The month with the least cloud cover is June (Cloud cover 54).

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Average visibility in December
Bethel, AK

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

The months with the highest visibility are May, June, July, August, September, October and December (6mi).
The months with the lowest visibility are January, February, March, April and November (5mi).

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Bethel, Alaska, USA

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