May Weather in Montmagny, Canada

Last updated: June 18, 2025

In Montmagny, Canada, the average temperature in May hovers around 11°C (52°F). Expect chilly lows of -2°C (29°F) and warm highs peaking at 29°C (85°F). With 95 mm (3.8 in) of precipitation spread over 14 days, a light jacket and an umbrella might be wise. The average humidity is a comfortable 79%, making it a pleasant time to explore!

May Temperature in Montmagny

In May in Montmagny, the average temperature is 11°C (52°F), with maximums reaching 29°C (85°F) and minimums dropping as low as -2°C (29°F). This variation in temperature makes it essential to pack layers when traveling to Montmagny during this time.

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

The chart illustrates May temperature patterns in Montmagny, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Montmagny, May typically has an average temperature of 11°C (52°F), with highs reaching up to 29°C (85°F) and lows dropping to around -2°C (29°F).

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

May Precipitation in Montmagny

In Montmagny in May, the precipitation amount is 95 mm (3.8 in) over the course of 14 days.

May Precipitation Trends in Montmagny

The chart displays monthly precipitation patterns in Montmagny, 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 Montmagny, May typically receives around 95 mm (3.8 inches) of precipitation spread over approximately 14 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 Montmagny

In Montmagny in May humidity is 79%. With an average temperature of 11°C (52°F), this humidity feels like a damp chill that seeps through your clothes, making prolonged outdoor activities uncomfortable for travelers.

May Average Humidity in Montmagny

This chart illustrates the average monthly humidity levels in Montmagny, 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 Montmagny is approximately 79%, 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 Montmagny

In Montmagny 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 Montmagny.

Maximum UV Index Levels in Montmagny for May

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

Data source: Montmagny 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 Montmagny Compares to Other Months

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

This table compares monthly weather conditions in Montmagny, 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)	92 mm (3.6 inches)	95%	low
February Weather	-9°C (16°F)	84 mm (3.3 inches)	93%	moderate
March Weather	-4°C (24°F)	97 mm (3.8 inches)	90%	moderate
April Weather	2°C (36°F)	118 mm (4.6 inches)	87%	high
May Weather	11°C (52°F)	95 mm (3.8 inches)	79%	very high
June Weather	16°C (62°F)	102 mm (4.0 inches)	73%	very high
July Weather	20°C (68°F)	79 mm (3.1 inches)	81%	very high
August Weather	19°C (66°F)	87 mm (3.4 inches)	81%	very high
September Weather	14°C (57°F)	67 mm (2.6 inches)	81%	high
October Weather	8°C (46°F)	124 mm (4.9 inches)	87%	moderate
November Weather	-1°C (31°F)	121 mm (4.8 inches)	89%	moderate
December Weather	-7°C (20°F)	96 mm (3.8 inches)	92%	low