December Weather in Courtenay, Canada

Last updated: June 18, 2025

In December, the average temperature in Courtenay, Canada hovers around 4°C (40°F), with a minimum of -10°C (14°F) and a maximum of 11°C (52°F). Expect a fair share of rain, as 299 mm (11.8 in) of precipitation typically falls over 22 days, contributing to an average humidity of 86%. Stay prepared for a chilly and damp month!

December Temperature in Courtenay

In December in Courtenay, the average temperature is a chilly 4°C (40°F), with the maximum reaching up to 11°C (52°F) and the minimum plunging as low as -10°C (14°F). It’s advisable to pack warm clothing if you plan to travel during this time.

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

The chart illustrates December temperature patterns in Courtenay, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Courtenay, December typically has an average temperature of 4°C (40°F), with highs reaching up to 11°C (52°F) and lows dropping to around -10°C (14°F).

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

December Precipitation in Courtenay

In Courtenay in December, the precipitation amount is 299 mm (11.8 in) over the course of 22 days.

December Precipitation Trends in Courtenay

The chart displays monthly precipitation patterns in Courtenay, 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 Courtenay, December typically receives around 299 mm (11.8 inches) of precipitation spread over approximately 22 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 Courtenay

In Courtenay in December humidity is 86%. With an average temperature of 4°C (40°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities uncomfortable and travel cumbersome as you navigate through a thick, heavy air that clings to your skin.

December Average Humidity in Courtenay

This chart illustrates the average monthly humidity levels in Courtenay, 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 Courtenay is approximately 86%, 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 Courtenay

In Courtenay 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 Courtenay.

Maximum UV Index Levels in Courtenay for December

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

Data source: Courtenay 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 Courtenay Compares to Other Months

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

This table compares monthly weather conditions in Courtenay, 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 (40°F)	293 mm (11.6 inches)	86%	low
February Weather	3°C (38°F)	163 mm (6.4 inches)	84%	moderate
March Weather	6°C (42°F)	150 mm (5.9 inches)	83%	moderate
April Weather	8°C (47°F)	135 mm (5.3 inches)	83%	high
May Weather	13°C (55°F)	66 mm (2.6 inches)	83%	very high
June Weather	15°C (60°F)	77 mm (3.0 inches)	84%	very high
July Weather	18°C (65°F)	33 mm (1.3 inches)	85%	very high
August Weather	19°C (66°F)	61 mm (2.4 inches)	80%	very high
September Weather	15°C (60°F)	182 mm (7.2 inches)	81%	high
October Weather	10°C (50°F)	237 mm (9.3 inches)	84%	moderate
November Weather	7°C (45°F)	346 mm (13.6 inches)	84%	low
December Weather	4°C (40°F)	299 mm (11.8 inches)	86%	low