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May Weather in Saint-Leonard, Canada

Last updated: June 18, 2025

In May, the average temperature in Saint-Leonard, Canada hovers around 10°C (51°F). Expect a range from a chilly -4°C (24°F) to a warm 32°C (89°F). During this month, you'll likely encounter 100 mm (3.9 in) of precipitation spread over 14 days, with an average humidity level of 82%. Be prepared for a mix of weather as you explore this vibrant locale!

May Temperature in Saint-Leonard

In May in Saint-Leonard, the average temperature is 10°C (51°F). Maximum temperatures can reach 32°C (89°F), while minimums can drop as low as -4°C (24°F). Pack accordingly to enjoy the diverse weather conditions during your travels.

May Weather in Saint-Leonard: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Saint-Leonard, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Saint-Leonard, May typically has an average temperature of 10°C (51°F), with highs reaching up to 32°C (89°F) and lows dropping to around -4°C (24°F).
JanFebMarAprMayJunJulAugSepOctNovDec131524375060656455443018
Data source: Temperature data for Saint-Leonard generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

May Precipitation in Saint-Leonard

In Saint-Leonard in May, the total precipitation amount is 100 mm (3.9 in) spread over 14 days.

May Precipitation Trends in Saint-Leonard

The chart displays monthly precipitation patterns in Saint-Leonard, 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 Saint-Leonard, May typically receives around 100 mm (3.9 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec927576121100908984106126125110
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Saint-Leonard

In Saint-Leonard in May humidity is 82%. With an average temperature of 10°C (51°F), this humidity feels like a damp chill that clings to your skin, making outdoor adventures less appealing and prompting travelers to seek cozy indoor activities or warm drinks to counter the brisk air.

May Average Humidity in Saint-Leonard

This chart illustrates the average monthly humidity levels in Saint-Leonard, 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 Saint-Leonard is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec93%92%90%87%82%77%82%83%85%87%88%90%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Saint-Leonard

In Saint-Leonard 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 Saint-Leonard.

Maximum UV Index Levels in Saint-Leonard for May

The chart shows the monthly maximum UV Index (UVI) for Saint-Leonard 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 Saint-Leonard typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2357810887432
Data source: Saint-Leonard 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 Saint-Leonard Compares to Other Months

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

This table compares monthly weather conditions in Saint-Leonard, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-11°C (13°F)92 mm (3.6 inches)93%low
February Weather-9°C (15°F)75 mm (2.9 inches)92%moderate
March Weather-5°C (24°F)76 mm (3.0 inches)90%moderate
April Weather3°C (37°F)121 mm (4.8 inches)87%high
May Weather10°C (51°F)100 mm (3.9 inches)82%very high
June Weather15°C (60°F)90 mm (3.5 inches)77%very high
July Weather19°C (66°F)89 mm (3.5 inches)81%very high
August Weather18°C (64°F)84 mm (3.3 inches)83%very high
September Weather13°C (56°F)106 mm (4.2 inches)85%high
October Weather7°C (44°F)126 mm (4.9 inches)87%moderate
November Weather-1°C (31°F)125 mm (4.9 inches)87%moderate
December Weather-8°C (18°F)110 mm (4.3 inches)90%low

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