December weather forecastBethel, AK
December
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.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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: 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: 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: 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: 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: 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: 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: 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: 5h and 48min
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 42min
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: 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: 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: 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: 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).





