May Weather in North Perth, Canada

Last updated: June 18, 2025

In May, the average temperature in North Perth, Canada typically hovers around 13°C (55°F), making it a moderate time of year. Temperatures can vary significantly, with a minimum of -5°C (23°F) and a maximum reaching up to 31°C (89°F). Expect 104 mm (4.1 in) of precipitation spread over about 12 days, contributing to an average humidity of 82%. Prepare for a mix of cool and warm days, along with occasional rain!

May Temperature in North Perth

In May in North Perth, the average temperature is 13°C (55°F), with maximums that can reach 31°C (89°F) and minimums that can drop as low as -5°C (23°F). Be sure to pack layers to prepare for the wide range of temperatures you'll experience during your travels.

May Weather in North Perth: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in North Perth, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In North Perth, May typically has an average temperature of 13°C (55°F), with highs reaching up to 31°C (89°F) and lows dropping to around -5°C (23°F).

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

May Precipitation in North Perth

In North Perth in May, the total precipitation amount is 104 mm (4.1 in) spread over 12 days.

May Precipitation Trends in North Perth

The chart displays monthly precipitation patterns in North Perth, 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 North Perth, May typically receives around 104 mm (4.1 inches) of precipitation spread over approximately 12 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 North Perth

In North Perth in May, humidity is 82%. With an average temperature of 13°C (55°F), this humidity feels like a heavy blanket wrapping around you, making outdoor activities sticky and uncomfortable for traveling.

May Average Humidity in North Perth

This chart illustrates the average monthly humidity levels in North Perth, 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 North Perth is approximately 82%, 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 North Perth

In North Perth in May, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in North Perth.

Maximum UV Index Levels in North Perth for May

The chart shows the monthly maximum UV Index (UVI) for North Perth 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 North Perth typically reaches 9, which falls under the very high exposure category.

Data source: North Perth 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 North Perth Compares to Other Months

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

This table compares monthly weather conditions in North Perth, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-6°C (22°F)	77 mm (3.0 inches)	90%	low
February Weather	-5°C (23°F)	84 mm (3.3 inches)	90%	moderate
March Weather	-1°C (31°F)	74 mm (2.9 inches)	87%	moderate
April Weather	5°C (42°F)	108 mm (4.3 inches)	87%	very high
May Weather	13°C (55°F)	104 mm (4.1 inches)	82%	very high
June Weather	18°C (65°F)	113 mm (4.4 inches)	81%	very high
July Weather	21°C (69°F)	92 mm (3.6 inches)	79%	very high
August Weather	19°C (67°F)	126 mm (4.9 inches)	80%	very high
September Weather	16°C (60°F)	94 mm (3.7 inches)	81%	high
October Weather	10°C (50°F)	118 mm (4.7 inches)	84%	moderate
November Weather	2°C (35°F)	97 mm (3.8 inches)	88%	moderate
December Weather	-2°C (28°F)	81 mm (3.2 inches)	87%	low