December Weather in Petrolia, Canada

Last updated: June 18, 2025

In Petrolia, Canada, the average temperature in December hovers around 0°C (33°F), with a possible dip to a chilly -19°C (-2°F) and a pleasant peak of 17°C (62°F). Expect approximately 60 mm (2.4 in) of precipitation spread across 11 days, accompanied by a high average humidity of 87%. Stay warm and prepared for the elements!

December Temperature in Petrolia

In December in Petrolia, the average temperature is 0°C (33°F). Maximum temperatures can reach 17°C (62°F), while minimums can drop as low as -19°C (-2°F). Be prepared for a wide range of temperatures when traveling to Petrolia during this month.

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

The chart illustrates December temperature patterns in Petrolia, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Petrolia, December typically has an average temperature of 0°C (33°F), with highs reaching up to 17°C (62°F) and lows dropping to around -19°C (-2°F).

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

December Precipitation in Petrolia

In Petrolia in December, the precipitation amount is 60 mm (2.4 in) over the course of 11 days.

December Precipitation Trends in Petrolia

The chart displays monthly precipitation patterns in Petrolia, 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 Petrolia, December typically receives around 60 mm (2.4 inches) of precipitation spread over approximately 11 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 Petrolia

In Petrolia in December, humidity is 87%. With an average temperature of 0°C (33°F), this humidity feels like a damp chill that seeps into your bones, making every step feel heavier and the air thick and suffocating, often leading to a sense of discomfort while traveling.

December Average Humidity in Petrolia

This chart illustrates the average monthly humidity levels in Petrolia, 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 Petrolia is approximately 87%, 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 Petrolia

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

Maximum UV Index Levels in Petrolia for December

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

Data source: Petrolia 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 Petrolia Compares to Other Months

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

This table compares monthly weather conditions in Petrolia, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-3°C (27°F)	65 mm (2.6 inches)	90%	low
February Weather	-2°C (28°F)	68 mm (2.7 inches)	90%	moderate
March Weather	2°C (36°F)	68 mm (2.7 inches)	87%	moderate
April Weather	7°C (46°F)	94 mm (3.7 inches)	87%	very high
May Weather	14°C (58°F)	103 mm (4.0 inches)	82%	very high
June Weather	20°C (69°F)	96 mm (3.8 inches)	81%	very high
July Weather	23°C (73°F)	89 mm (3.5 inches)	79%	very high
August Weather	22°C (72°F)	86 mm (3.4 inches)	80%	very high
September Weather	18°C (65°F)	80 mm (3.2 inches)	81%	high
October Weather	12°C (54°F)	108 mm (4.2 inches)	84%	moderate
November Weather	4°C (40°F)	76 mm (3.0 inches)	88%	moderate
December Weather	0°C (33°F)	60 mm (2.4 inches)	87%	low