December Weather in Hearst, Canada

Last updated: June 18, 2025

In Hearst, Canada, the average temperature in December hovers around -13°C (9°F). While it can dip to a chilling -37°C (-35°F) at its lowest, daytime highs can reach up to 8°C (47°F). Precipitation is common, averaging about 50 mm (2.0 in) spread across 10 days, contributing to a high average humidity of 96%.

December Temperature in Hearst

In December in Hearst, the average temperature is -13°C (9°F). Maximum can reach 8°C (47°F) and minimum can be as low as -37°C (-35°F). Travelers should prepare for a wide range of temperatures and dress warmly to enjoy their visit.

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

The chart illustrates December temperature patterns in Hearst, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hearst, December typically has an average temperature of -13°C (9°F), with highs reaching up to 8°C (47°F) and lows dropping to around -37°C (-35°F).

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

December Precipitation in Hearst

In Hearst in December, the precipitation amount is 50 mm (2.0 in) over a span of 10 days.

December Precipitation Trends in Hearst

The chart displays monthly precipitation patterns in Hearst, 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 Hearst, December typically receives around 50 mm (2.0 inches) of precipitation spread over approximately 10 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 Hearst

In Hearst in December humidity is 96%. With an average temperature of -13°C (9°F), this humidity feels like a biting chill that cuts through layers of clothing, making travel uncomfortable and forcing you to seek shelter from the damp, frosty air.

December Average Humidity in Hearst

This chart illustrates the average monthly humidity levels in Hearst, 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 Hearst is approximately 96%, 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 Hearst

In Hearst in December, the maximum UV index is 1, which corresponds to a low Exposure Category. This means you have a time to burn of 45 minutes. For more details, you can check the Hourly UV Index in Hearst.

Maximum UV Index Levels in Hearst for December

The chart shows the monthly maximum UV Index (UVI) for Hearst 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 Hearst typically reaches 1, which falls under the low exposure category.

Data source: Hearst 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 Hearst Compares to Other Months

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

This table compares monthly weather conditions in Hearst, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-15°C (4°F)	32 mm (1.3 inches)	97%	low
February Weather	-15°C (5°F)	43 mm (1.7 inches)	95%	moderate
March Weather	-8°C (18°F)	46 mm (1.8 inches)	94%	moderate
April Weather	0°C (31°F)	60 mm (2.4 inches)	88%	high
May Weather	9°C (48°F)	66 mm (2.6 inches)	72%	very high
June Weather	15°C (60°F)	96 mm (3.8 inches)	66%	very high
July Weather	19°C (67°F)	71 mm (2.8 inches)	69%	very high
August Weather	16°C (62°F)	73 mm (2.9 inches)	67%	high
September Weather	11°C (53°F)	110 mm (4.3 inches)	75%	high
October Weather	4°C (40°F)	91 mm (3.6 inches)	84%	moderate
November Weather	-5°C (23°F)	60 mm (2.4 inches)	90%	low
December Weather	-13°C (9°F)	50 mm (2.0 inches)	96%	low