December weather forecast
Bethel, AK

Share

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

The beginning of December subtly marks a decrease in the average high-temperature, transitioning from a subzero cold 23.2°F (-4.9°C) in November to a still freezing cold 16.7°F (-8.5°C). Bethel, in December, registers an average low temperature of 7.9°F (-13.4°C), showing a minute reduction from daily highs.

Humidity

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

Rainfall

In December, the rain falls for 5.6 days. Throughout December, 1.14" (29mm) of precipitation is accumulated. Throughout the year, there are 129.5 rainfall days, and 16.46" (418mm) of precipitation is accumulated.

Snowfall

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

Daylight

The month with the shortest days is December, with an average of 5h and 48min of daylight.
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, sunrise is at 10:56 am and sunset at 4:44 pm AKST.

Sunshine

The month with the least sunshine is December, with an average of 2.7h of sunshine.

UV index

The months with the lowest UV index are February, March and December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In December, the maximum UV index of 1 transforms into these recommendations:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.

Frequently asked questions

How cold is it in Bethel in December?

The average high-temperature and low-temperature during December are 16.7°F (-8.5°C) and 7.9°F (-13.4°C) respectively.

What is the average humidity in December?

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

How much does it rain in December?

In Bethel, in December, it is raining for 5.6 days, with typically 1.14" (29mm) of accumulated precipitation.

How many days does it snow in December?

In December, it is snowing for 12.8 days. Throughout December, 3.5" (89mm) of snow is accumulated.

What is the month with the shortest days?

December has the shortest days of the year, 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 is 5h and 47min.

When 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?

December has the least sunshine of the year, with an average of 2.7h of sunshine.

How long on average sun shines in December?

In December, the average sunshine duration is 2.7h.

What are the months with the lowest UV index?

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

What is the UV index intensity in December?

The average daily maximum UV index in December is 1. A UV Index estimate of 2, and below, represents a minimal health vulnerability 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
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).

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).

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).

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%).

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").

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).

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").

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).

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).

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).

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).

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).

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).

Bethel, Alaska, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location