December Weather in Thompson, United States

Last updated: June 24, 2025

In December, the average temperature in Thompson, United States hovers around 1°C (34°F), with lows plunging to an icy -19°C (-2°F) and highs reaching a brisk 17°C (63°F). Expect a moderate precipitation amount of 123 mm (4.8 in) over approximately 9 days, accompanied by a high average humidity of 80%. Stay prepared for this chilly, wet weather!

December Temperature in Thompson

In December in Thompson, the average temperature is 1°C (34°F). Maximums can reach 17°C (63°F), while minimums can plummet to -19°C (-2°F). Make sure to pack warmly and prepare for fluctuating temperatures if you plan to visit during this time.

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

The chart illustrates December temperature patterns in Thompson, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Thompson, December typically has an average temperature of 1°C (34°F), with highs reaching up to 17°C (63°F) and lows dropping to around -19°C (-2°F).

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

December Precipitation in Thompson

In Thompson in December, the precipitation amount is 123 mm (4.8 in) over the course of 9 days.

December Precipitation Trends in Thompson

The chart displays monthly precipitation patterns in Thompson, 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 Thompson, December typically receives around 123 mm (4.8 inches) of precipitation spread over approximately 9 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 Thompson

In Thompson in December, humidity is 80%. With an average temperature of 1°C (34°F), this humidity feels like a damp chill that seeps through your layers, making outdoor activities uncomfortable and potentially discouraging for travelers.

December Average Humidity in Thompson

This chart illustrates the average monthly humidity levels in Thompson, 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 Thompson is approximately 80%, 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 Thompson

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

Maximum UV Index Levels in Thompson for December

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

Data source: Thompson 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 Thompson Compares to Other Months

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

This table compares monthly weather conditions in Thompson, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-1°C (31°F)	69 mm (2.7 inches)	84%	moderate
February Weather	0°C (33°F)	87 mm (3.4 inches)	84%	moderate
March Weather	3°C (38°F)	94 mm (3.7 inches)	82%	high
April Weather	9°C (48°F)	128 mm (5.0 inches)	79%	very high
May Weather	15°C (59°F)	102 mm (4.0 inches)	75%	very high
June Weather	20°C (68°F)	92 mm (3.6 inches)	78%	very high
July Weather	23°C (74°F)	144 mm (5.7 inches)	76%	very high
August Weather	23°C (73°F)	102 mm (4.0 inches)	76%	very high
September Weather	19°C (66°F)	92 mm (3.6 inches)	75%	very high
October Weather	13°C (56°F)	141 mm (5.6 inches)	75%	high
November Weather	6°C (42°F)	98 mm (3.9 inches)	80%	moderate
December Weather	1°C (34°F)	123 mm (4.8 inches)	80%	low