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May Weather in Saint-Isidore, Canada

Last updated: June 18, 2025

In May, the average temperature in Saint-Isidore, Canada hovers around 10°C (50°F). Expect a wide range; temperatures can dip to a chilly -6°C (21°F) or soar up to a warm 30°C (87°F). Be prepared for frequent showers, with an average precipitation of 101 mm (4.0 in) over 12 days. The air is quite humid, with an average humidity of 74%, making it a cool yet damp time of year.

May Temperature in Saint-Isidore

In May in Saint-Isidore, the average temperature is 10°C (50°F), with maximums reaching 30°C (87°F) and minimums dropping as low as -6°C (21°F). Travelers should be prepared for a wide range of temperatures and pack accordingly.

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

The chart illustrates May temperature patterns in Saint-Isidore, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Saint-Isidore, May typically has an average temperature of 10°C (50°F), with highs reaching up to 30°C (87°F) and lows dropping to around -6°C (21°F).
JanFebMarAprMayJunJulAugSepOctNovDec91122355059666456452916
Data source: Temperature data for Saint-Isidore 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-Isidore

In Saint-Isidore in May, the precipitation amount is 101 mm (4.0 in) spread over 12 days.

May Precipitation Trends in Saint-Isidore

The chart displays monthly precipitation patterns in Saint-Isidore, 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-Isidore, May typically receives around 101 mm (4.0 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec476156851019395911161258969
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Saint-Isidore

In Saint-Isidore in May humidity is 74%. With an average temperature of 10°C (50°F), this humidity feels like a damp chill that clings to your clothes, making outdoor exploration uncomfortable and requiring travelers to dress in layers to stay warm while navigating the moist air.

May Average Humidity in Saint-Isidore

This chart illustrates the average monthly humidity levels in Saint-Isidore, 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-Isidore is approximately 74%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec96%95%89%85%74%67%71%71%76%86%90%94%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Saint-Isidore

In Saint-Isidore 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 Saint-Isidore.

Maximum UV Index Levels in Saint-Isidore for May

The chart shows the monthly maximum UV Index (UVI) for Saint-Isidore 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-Isidore typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235799886532
Data source: Saint-Isidore 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-Isidore Compares to Other Months

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

This table compares monthly weather conditions in Saint-Isidore, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-13°C (10°F)47 mm (1.9 inches)96%low
February Weather-12°C (11°F)61 mm (2.4 inches)95%moderate
March Weather-6°C (22°F)56 mm (2.2 inches)89%moderate
April Weather2°C (36°F)85 mm (3.4 inches)85%high
May Weather10°C (50°F)101 mm (4.0 inches)74%very high
June Weather15°C (60°F)93 mm (3.6 inches)67%very high
July Weather19°C (66°F)95 mm (3.7 inches)71%very high
August Weather18°C (64°F)91 mm (3.6 inches)71%very high
September Weather13°C (56°F)116 mm (4.6 inches)76%high
October Weather7°C (45°F)125 mm (4.9 inches)86%moderate
November Weather-2°C (29°F)89 mm (3.5 inches)90%moderate
December Weather-9°C (17°F)69 mm (2.7 inches)94%low

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