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May Weather in Cowansville, Canada

Last updated: June 18, 2025

In May, the average temperature in Cowansville, Canada is a mild 13°C (56°F). However, temperatures can vary significantly, with minimums dropping to -2°C (29°F) and soaring to a maximum of 35°C (96°F). Expect about 106 mm (4.2 in) of precipitation spread over 13 days, contributing to a notable average humidity of 80%.

May Temperature in Cowansville

In May in Cowansville, the average temperature is 13°C (56°F), with maximums reaching 35°C (96°F) and minimums dropping as low as -2°C (29°F). Travelers should be prepared for a wide range of temperatures during this time.

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

The chart illustrates May temperature patterns in Cowansville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Cowansville, May typically has an average temperature of 13°C (56°F), with highs reaching up to 35°C (96°F) and lows dropping to around -2°C (29°F).
JanFebMarAprMayJunJulAugSepOctNovDec182129425664706860493424
Data source: Temperature data for Cowansville 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 Cowansville

In Cowansville in May, the precipitation amount is 106 mm (4.2 in) spread over a duration of 13 days.

May Precipitation Trends in Cowansville

The chart displays monthly precipitation patterns in Cowansville, 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 Cowansville, May typically receives around 106 mm (4.2 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec9488911191061171181177714812887
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Cowansville

In Cowansville in May humidity is 80%. With average temperature 13°C (56°F) this humidity feels like a damp chill that seeps into your bones, making outdoor exploration more challenging and necessitating layered clothing for comfort.

May Average Humidity in Cowansville

This chart illustrates the average monthly humidity levels in Cowansville, 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 Cowansville is approximately 80%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec93%92%86%85%80%74%76%75%78%86%89%89%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Cowansville

In Cowansville 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 Cowansville.

Maximum UV Index Levels in Cowansville for May

The chart shows the monthly maximum UV Index (UVI) for Cowansville 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 Cowansville typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec245799887532
Data source: Cowansville 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 Cowansville Compares to Other Months

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

This table compares monthly weather conditions in Cowansville, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-8°C (18°F)94 mm (3.7 inches)93%low
February Weather-6°C (21°F)88 mm (3.5 inches)92%moderate
March Weather-2°C (29°F)91 mm (3.6 inches)86%moderate
April Weather6°C (43°F)119 mm (4.7 inches)85%high
May Weather13°C (56°F)106 mm (4.2 inches)80%very high
June Weather18°C (65°F)117 mm (4.6 inches)74%very high
July Weather21°C (70°F)118 mm (4.7 inches)76%very high
August Weather20°C (68°F)117 mm (4.6 inches)75%very high
September Weather16°C (60°F)77 mm (3.0 inches)78%high
October Weather10°C (49°F)148 mm (5.8 inches)86%moderate
November Weather1°C (34°F)128 mm (5.0 inches)88%moderate
December Weather-5°C (24°F)87 mm (3.4 inches)89%low

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