May Weather in Westlake, Canada

Last updated: June 18, 2025

In May, the average temperature in Westlake, Canada hovers around 11°C (52°F). Be prepared for a temperature range that can dip to a chilly -7°C (19°F) or soar to a warm 31°C (87°F). During this month, expect about 40 mm (1.6 in) of precipitation spread over 7 days, accompanied by a high average humidity of 81%.

May Temperature in Westlake

In May in Westlake, the average temperature is 11°C (52°F). Maximums can reach up to 31°C (87°F), while minimums can drop as low as -7°C (19°F). Be prepared for a wide range of temperatures when traveling during this time.

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

The chart illustrates May temperature patterns in Westlake, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Westlake, May typically has an average temperature of 11°C (52°F), with highs reaching up to 31°C (87°F) and lows dropping to around -7°C (19°F).

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

May Precipitation in Westlake

In Westlake in May, the precipitation amount is 40 mm (1.6 in) over a span of 7 days.

May Precipitation Trends in Westlake

The chart displays monthly precipitation patterns in Westlake, 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 Westlake, May typically receives around 40 mm (1.6 inches) of precipitation spread over approximately 7 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

May Humidity in Westlake

In Westlake in May humidity is 81%. With an average temperature of 11°C (52°F), this humidity feels like a damp chill that can make outdoor excursions quite uncomfortable, causing a muggy heaviness that dampens clothes and leaves travelers longing for dryer weather.

May Average Humidity in Westlake

This chart illustrates the average monthly humidity levels in Westlake, 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 Westlake is approximately 81%, 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 Westlake

In Westlake in May, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Westlake.

Maximum UV Index Levels in Westlake for May

The chart shows the monthly maximum UV Index (UVI) for Westlake 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 Westlake typically reaches 7, which falls under the high exposure category.

Data source: Westlake 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 Westlake Compares to Other Months

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

This table compares monthly weather conditions in Westlake, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-10°C (14°F)	22 mm (0.9 inches)	93%	low
February Weather	-12°C (10°F)	29 mm (1.2 inches)	94%	low
March Weather	-5°C (23°F)	31 mm (1.2 inches)	89%	moderate
April Weather	2°C (35°F)	32 mm (1.3 inches)	85%	moderate
May Weather	11°C (52°F)	40 mm (1.6 inches)	81%	high
June Weather	15°C (59°F)	71 mm (2.8 inches)	78%	high
July Weather	17°C (62°F)	101 mm (4.0 inches)	84%	very high
August Weather	15°C (60°F)	53 mm (2.1 inches)	81%	high
September Weather	10°C (50°F)	53 mm (2.1 inches)	80%	high
October Weather	3°C (37°F)	42 mm (1.6 inches)	86%	moderate
November Weather	-5°C (23°F)	57 mm (2.2 inches)	91%	low
December Weather	-10°C (15°F)	23 mm (0.9 inches)	96%	low