May Weather in Courtenay, Canada

Last updated: June 18, 2025

In Courtenay, Canada, the average temperature for May hovers around 13°C (55°F). Expect minimums of 3°C (38°F) and maximums reaching up to 26°C (79°F). With 66 mm (2.6 in) of precipitation spread over 10 days, and an average humidity of 83%, be prepared for a humid and occasionally rainy atmosphere!

May Temperature in Courtenay

In May in Courtenay, the average temperature is 13°C (55°F). Maximum temperatures can reach 26°C (79°F), while the minimum can dip as low as 3°C (38°F). This makes it a great time to explore Courtenay, as you can enjoy mild weather and comfortable conditions for outdoor activities.

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

The chart illustrates May 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, May typically has an average temperature of 13°C (55°F), with highs reaching up to 26°C (79°F) and lows dropping to around 3°C (38°F).

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

May Precipitation in Courtenay

In Courtenay in May, the precipitation amount is 66 mm (2.6 in) over the course of 10 days.

May Precipitation Trends in Courtenay

The chart displays monthly precipitation patterns in Courtenay, with values for each month alongside May’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May’s conditions compare to those of other months. In Courtenay, May typically receives around 66 mm (2.6 inches) of precipitation spread over approximately 10 days.

Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

May Humidity in Courtenay

In Courtenay in May humidity is 83%. With an average temperature of 13°C (55°F), this humidity feels like a damp embrace, often leaving travelers feeling slightly sticky and in need of frequent breaks in the shade.

May Average Humidity in Courtenay

This chart illustrates the average monthly humidity levels in Courtenay, with May’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In May, average humidity in Courtenay is approximately 83%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Courtenay

In Courtenay in May, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Courtenay.

Maximum UV Index Levels in Courtenay for May

The chart shows the monthly maximum UV Index (UVI) for Courtenay in May, 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 May, the maximum UV index in Courtenay typically reaches 8, which falls under the very high exposure category.

Data source: Courtenay May 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 May 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 May’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 May’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