December Weather in Bethel, United States

Last updated: June 24, 2025

In December, the average temperature in Bethel, United States hovers around -5°C (24°F), with highs reaching up to 13°C (57°F) and lows plummeting to -28°C (-18°F). Throughout the month, expect about 96 mm (3.8 in) of precipitation over 13 days, contributing to a relatively high average humidity of 84%.

December Temperature in Bethel

In December in Bethel, the average temperature is -5°C (24°F). Maximums can reach 13°C (57°F), while minimums can drop as low as -28°C (-18°F). Travelers should be prepared for a wide range of temperatures and dress accordingly to enjoy their visit.

December Weather in Bethel: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Bethel, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Bethel, December typically has an average temperature of -5°C (24°F), with highs reaching up to 13°C (57°F) and lows dropping to around -28°C (-18°F).

Data source: Temperature data for Bethel generated using information from the Copernicus Climate Change Service.

December Precipitation in Bethel

In Bethel in December, the precipitation amount is 96 mm (3.8 in) spread over 13 days, indicating a relatively rainy period.

December Precipitation Trends in Bethel

The chart displays monthly precipitation patterns in Bethel, with values for each month alongside December’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how December’s conditions compare to those of other months. In Bethel, December typically receives around 96 mm (3.8 inches) of precipitation spread over approximately 13 days.

Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

December Humidity in Bethel

In Bethel in December, humidity is 84%. With an average temperature of -5°C (24°F), this humidity feels like an icy blanket wrapped around you, making the air feel even colder and more biting, which can be quite uncomfortable for traveling.

December Average Humidity in Bethel

This chart illustrates the average monthly humidity levels in Bethel, with December’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In December, average humidity in Bethel is approximately 84%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Bethel

In Bethel in December, the maximum UV index is 2, which corresponds to a low exposure category. With this level of UV radiation, the time to burn is approximately 45 minutes. To learn more about the hourly UV index in Bethel, you can visit Hourly UV Index in Bethel.

Maximum UV Index Levels in Bethel for December

The chart shows the monthly maximum UV Index (UVI) for Bethel in December, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In December, the maximum UV index in Bethel typically reaches 2, which falls under the low exposure category.

Data source: Bethel December UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

Extreme (11+): Avoid the sun, stay in shade.
Very High (8-10): Limit sun exposure.
High (6-7): Use SPF 30+ and protective clothing.
Moderate (3-5): Midday shade recommended.
Low (0-2): No protection needed.

How December Weather in Bethel Compares to Other Months

Weather in Bethel varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Bethel, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Bethel, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-7°C (19°F)	80 mm (3.2 inches)	89%	moderate
February Weather	-6°C (22°F)	88 mm (3.4 inches)	88%	moderate
March Weather	-2°C (29°F)	81 mm (3.2 inches)	86%	high
April Weather	5°C (42°F)	130 mm (5.1 inches)	84%	very high
May Weather	12°C (55°F)	103 mm (4.1 inches)	76%	very high
June Weather	17°C (64°F)	110 mm (4.3 inches)	72%	very high
July Weather	20°C (69°F)	159 mm (6.2 inches)	66%	very high
August Weather	19°C (67°F)	109 mm (4.3 inches)	64%	very high
September Weather	15°C (60°F)	77 mm (3.0 inches)	72%	high
October Weather	9°C (48°F)	153 mm (6.0 inches)	81%	moderate
November Weather	1°C (33°F)	109 mm (4.3 inches)	87%	moderate
December Weather	-5°C (24°F)	96 mm (3.8 inches)	84%	low