December Weather in Forman, United States

Last updated: June 24, 2025

In December, the average temperature in Forman, United States hovers around -6°C (21°F), with lows plunging to a chilling -31°C (-24°F) and highs reaching up to 14°C (57°F). Expect 35 mm (1.4 in) of precipitation spread over approximately 6 days, accompanied by an average humidity level of 81%. Prepare for a true winter experience!

December Temperature in Forman

In December in Forman, the average temperature is -6°C (21°F). Maximum temperatures can reach 14°C (57°F), while minimums can drop as low as -31°C (-24°F). Be prepared for extreme temperature variations when traveling.

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

The chart illustrates December temperature patterns in Forman, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Forman, December typically has an average temperature of -6°C (21°F), with highs reaching up to 14°C (57°F) and lows dropping to around -31°C (-24°F).

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

December Precipitation in Forman

In Forman in December, the total precipitation amount is 35 mm (1.4 in) spread over a period of 6 days.

December Precipitation Trends in Forman

The chart displays monthly precipitation patterns in Forman, 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 Forman, December typically receives around 35 mm (1.4 inches) of precipitation spread over approximately 6 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

December Humidity in Forman

In Forman in December humidity is 81%. With an average temperature of -6°C (21°F), this humidity feels like an icy mist wrapping around you, making travel outdoors quite uncomfortable and requiring extra layers to stay warm while navigating the damp chill.

December Average Humidity in Forman

This chart illustrates the average monthly humidity levels in Forman, 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 Forman is approximately 81%, 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 Forman

In Forman 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 Forman, you can visit Hourly UV Index in Forman.

Maximum UV Index Levels in Forman for December

The chart shows the monthly maximum UV Index (UVI) for Forman 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 Forman typically reaches 2, which falls under the low exposure category.

Data source: Forman 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 Forman Compares to Other Months

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

This table compares monthly weather conditions in Forman, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-10°C (14°F)	18 mm (0.7 inches)	81%	moderate
February Weather	-11°C (13°F)	18 mm (0.7 inches)	85%	moderate
March Weather	-1°C (30°F)	33 mm (1.3 inches)	76%	high
April Weather	5°C (40°F)	52 mm (2.0 inches)	79%	high
May Weather	14°C (57°F)	63 mm (2.5 inches)	76%	very high
June Weather	21°C (70°F)	75 mm (3.0 inches)	81%	very high
July Weather	23°C (74°F)	73 mm (2.9 inches)	82%	very high
August Weather	21°C (70°F)	109 mm (4.3 inches)	82%	very high
September Weather	17°C (62°F)	76 mm (3.0 inches)	77%	high
October Weather	7°C (45°F)	81 mm (3.2 inches)	76%	moderate
November Weather	0°C (32°F)	17 mm (0.7 inches)	84%	moderate
December Weather	-6°C (21°F)	35 mm (1.4 inches)	81%	low