May Weather in Barrie, Canada

Last updated: June 18, 2025

In May, the average temperature in Barrie, Canada hovers around 12°C (55°F), with temperatures ranging from a chilly -2°C (29°F) to a warm 32°C (90°F). Expect about 90 mm (3.5 in) of precipitation over approximately 12 days. The average humidity sits at a comfortable 74%, creating a unique blend of weather conditions for your stay.

May Temperature in Barrie

In May in Barrie, the average temperature is 12°C (55°F). Maximum temperatures can reach up to 32°C (90°F), while minimum temperatures can drop as low as -2°C (29°F). With such a broad range of temperatures, travelers should prepare for both warm and chilly conditions during their visit.

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

The chart illustrates May temperature patterns in Barrie, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Barrie, May typically has an average temperature of 12°C (55°F), with highs reaching up to 32°C (90°F) and lows dropping to around -2°C (29°F).

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

May Precipitation in Barrie

In Barrie in May, the precipitation amount is 90 mm (3.5 in) spread over 12 days.

May Precipitation Trends in Barrie

The chart displays monthly precipitation patterns in Barrie, 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 Barrie, May typically receives around 90 mm (3.5 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 Barrie

In Barrie in May, humidity is 74%. With an average temperature of 12°C (55°F), this humidity feels like a cool, damp chill clinging to your skin, making outdoor activities less enjoyable and encouraging you to seek sheltered spots or cozy cafes to stay warm while exploring the area.

May Average Humidity in Barrie

This chart illustrates the average monthly humidity levels in Barrie, 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 Barrie is approximately 74%, 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 Barrie

In Barrie 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 Barrie.

Maximum UV Index Levels in Barrie for May

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

Data source: Barrie 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 Barrie Compares to Other Months

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

This table compares monthly weather conditions in Barrie, 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 (21°F)	62 mm (2.5 inches)	93%	low
February Weather	-5°C (23°F)	68 mm (2.7 inches)	94%	moderate
March Weather	-1°C (30°F)	63 mm (2.5 inches)	87%	moderate
April Weather	5°C (41°F)	107 mm (4.2 inches)	82%	very high
May Weather	12°C (55°F)	90 mm (3.5 inches)	74%	very high
June Weather	18°C (65°F)	100 mm (3.9 inches)	68%	very high
July Weather	21°C (70°F)	98 mm (3.9 inches)	67%	very high
August Weather	20°C (69°F)	115 mm (4.5 inches)	67%	very high
September Weather	16°C (61°F)	85 mm (3.4 inches)	74%	high
October Weather	10°C (50°F)	104 mm (4.1 inches)	83%	moderate
November Weather	2°C (36°F)	87 mm (3.4 inches)	89%	moderate
December Weather	-3°C (27°F)	79 mm (3.1 inches)	91%	low