December Weather in Saint Francis, United States

Last updated: June 24, 2025

In December, the average temperature in Saint Francis, United States hovers around -2°C (29°F), with a possible range extending from a chilling -24°C (-11°F) to a surprisingly warm 22°C (72°F). During this period, expect approximately 32 mm (1.3 in) of precipitation spread over 5 days, accompanied by an average humidity level of 73%. Prepare for fluctuating conditions that blend winter's bite with occasional warmth!

December Temperature in Saint Francis

In December in Saint Francis, the average temperature is -2°C (29°F). Maximum temperatures can reach 22°C (72°F), while minimums can drop as low as -24°C (-11°F). Be prepared for a wide range of temperatures if you're planning to travel during this time.

December Weather in Saint Francis: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Saint Francis, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Saint Francis, December typically has an average temperature of -2°C (29°F), with highs reaching up to 22°C (72°F) and lows dropping to around -24°C (-11°F).

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

December Precipitation in Saint Francis

In Saint Francis in December, the precipitation amount is 32 mm (1.3 in) over the course of 5 days.

December Precipitation Trends in Saint Francis

The chart displays monthly precipitation patterns in Saint Francis, 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 Saint Francis, December typically receives around 32 mm (1.3 inches) of precipitation spread over approximately 5 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 Saint Francis

In Saint Francis in December, humidity is 73%. With an average temperature of -2°C (29°F), this humidity feels like an icy blanket wrap, making outdoor activities challenging as the cold air becomes damp, seeping into your clothes and chilling you to the bone.

December Average Humidity in Saint Francis

This chart illustrates the average monthly humidity levels in Saint Francis, 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 Saint Francis is approximately 73%, 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 Saint Francis

In Saint Francis in December, the maximum UV index is 3, which corresponds to a moderate Exposure Category. The time to burn is approximately 30 minutes. For more details on the hourly UV index in Saint Francis, you can check the information here.

Maximum UV Index Levels in Saint Francis for December

The chart shows the monthly maximum UV Index (UVI) for Saint Francis 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 Saint Francis typically reaches 3, which falls under the moderate exposure category.

Data source: Saint Francis 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 Saint Francis Compares to Other Months

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

This table compares monthly weather conditions in Saint Francis, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-4°C (25°F)	20 mm (0.8 inches)	74%	moderate
February Weather	-6°C (22°F)	23 mm (0.9 inches)	79%	moderate
March Weather	2°C (36°F)	61 mm (2.4 inches)	65%	high
April Weather	6°C (43°F)	62 mm (2.4 inches)	69%	very high
May Weather	13°C (56°F)	115 mm (4.5 inches)	75%	very high
June Weather	21°C (71°F)	61 mm (2.4 inches)	84%	extreme
July Weather	24°C (76°F)	72 mm (2.8 inches)	84%	very high
August Weather	22°C (72°F)	54 mm (2.1 inches)	83%	very high
September Weather	18°C (65°F)	59 mm (2.3 inches)	72%	very high
October Weather	8°C (47°F)	52 mm (2.0 inches)	68%	moderate
November Weather	3°C (38°F)	17 mm (0.7 inches)	75%	moderate
December Weather	-2°C (29°F)	32 mm (1.3 inches)	73%	moderate