December Weather in Thessalon, Canada

Last updated: June 18, 2025

In December, the average temperature in Thessalon, Canada hovers around -3°C (27°F), with a minimum dipping to -19°C (-3°F) and a maximum soaring to 10°C (50°F). Be prepared for some wet days, as 84 mm (3.3 in) of precipitation is expected over 14 days, all while battling an average humidity of 92%. Stay warm and dry!

December Temperature in Thessalon

In December in Thessalon, the average temperature is -3°C (27°F). Maximum temperatures can reach up to 10°C (50°F), while minimum temperatures can plummet to as low as -19°C (-3°F). Be prepared for cold weather and dress in layers if you're planning to travel during this time.

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

The chart illustrates December temperature patterns in Thessalon, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Thessalon, December typically has an average temperature of -3°C (27°F), with highs reaching up to 10°C (50°F) and lows dropping to around -19°C (-3°F).

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

December Precipitation in Thessalon

In Thessalon in December, the precipitation amount is 84 mm (3.3 in) over the course of 14 days.

December Precipitation Trends in Thessalon

The chart displays monthly precipitation patterns in Thessalon, 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 Thessalon, December typically receives around 84 mm (3.3 inches) of precipitation spread over approximately 14 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 Thessalon

In Thessalon in December, humidity is 92%. With an average temperature of -3°C (27°F), this humidity feels like a heavy, icy fog enveloping you, making every breath feel damp and chilly, which can be quite uncomfortable for traveling.

December Average Humidity in Thessalon

This chart illustrates the average monthly humidity levels in Thessalon, 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 Thessalon is approximately 92%, 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 Thessalon

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

Maximum UV Index Levels in Thessalon for December

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

Data source: Thessalon 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 Thessalon Compares to Other Months

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

This table compares monthly weather conditions in Thessalon, 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 (20°F)	51 mm (2.0 inches)	95%	low
February Weather	-6°C (21°F)	69 mm (2.7 inches)	94%	moderate
March Weather	-2°C (28°F)	68 mm (2.7 inches)	89%	moderate
April Weather	2°C (35°F)	92 mm (3.6 inches)	87%	high
May Weather	7°C (45°F)	89 mm (3.5 inches)	74%	very high
June Weather	14°C (57°F)	110 mm (4.3 inches)	72%	very high
July Weather	19°C (67°F)	92 mm (3.6 inches)	69%	very high
August Weather	19°C (66°F)	111 mm (4.4 inches)	72%	very high
September Weather	15°C (60°F)	124 mm (4.9 inches)	77%	high
October Weather	9°C (49°F)	148 mm (5.8 inches)	85%	moderate
November Weather	2°C (36°F)	86 mm (3.4 inches)	88%	moderate
December Weather	-3°C (27°F)	84 mm (3.3 inches)	92%	low