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May Weather in Blainville, Canada

Last updated: June 18, 2025

In May, the average temperature in Blainville, Canada hovers around 13°C (56°F). While you might experience chilly lows of -2°C (29°F), the mercury can rise to a warm 35°C (95°F) on particularly hot days. Expect 105 mm (4.1 in) of precipitation spread across 11 days, contributing to an average humidity of 80%.

May Temperature in Blainville

In May in Blainville, the average temperature is 13°C (56°F), with maximums reaching as high as 35°C (95°F) and minimums dropping to as low as -2°C (29°F). This range makes it essential for travelers to pack layers and be prepared for varying weather conditions.

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

The chart illustrates May temperature patterns in Blainville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Blainville, May typically has an average temperature of 13°C (56°F), with highs reaching up to 35°C (95°F) and lows dropping to around -2°C (29°F).
JanFebMarAprMayJunJulAugSepOctNovDec151827415565706860483221
Data source: Temperature data for Blainville 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 Blainville

In Blainville in May, the precipitation amount is 105 mm (4.1 in) over the course of 11 days.

May Precipitation Trends in Blainville

The chart displays monthly precipitation patterns in Blainville, 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 Blainville, May typically receives around 105 mm (4.1 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec8589901211051061101048213011293
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Blainville

In Blainville 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 Blainville

This chart illustrates the average monthly humidity levels in Blainville, 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 Blainville 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 Blainville

In Blainville 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 Blainville.

Maximum UV Index Levels in Blainville for May

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

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

This table compares monthly weather conditions in Blainville, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-9°C (15°F)85 mm (3.4 inches)93%low
February Weather-8°C (18°F)89 mm (3.5 inches)92%moderate
March Weather-3°C (27°F)90 mm (3.6 inches)86%moderate
April Weather5°C (41°F)121 mm (4.8 inches)85%high
May Weather13°C (56°F)105 mm (4.1 inches)80%very high
June Weather18°C (65°F)106 mm (4.2 inches)74%very high
July Weather21°C (71°F)110 mm (4.3 inches)76%very high
August Weather20°C (68°F)104 mm (4.1 inches)75%very high
September Weather15°C (60°F)82 mm (3.2 inches)78%high
October Weather9°C (48°F)129 mm (5.1 inches)86%moderate
November Weather0°C (33°F)112 mm (4.4 inches)88%moderate
December Weather-6°C (21°F)93 mm (3.7 inches)89%low

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