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May Weather in Saint-Lazare, Canada

Last updated: June 18, 2025

In May, the average temperature in Saint-Lazare, Canada hovers around 13°C (56°F), providing a pleasant climate for various activities. However, be prepared for temperature fluctuations that can see lows of -2°C (29°F) and highs reaching 35°C (96°F). Expect approximately 110 mm (4.3 in) of precipitation spread across about 12 days, contributing to a humidity level of around 80%. Stay ready for a mix of weather conditions!

May Temperature in Saint-Lazare

In May in Saint-Lazare, 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 Saint-Lazare: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Saint-Lazare, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Saint-Lazare, 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).
JanFebMarAprMayJunJulAugSepOctNovDec161928425666716961493423
Data source: Temperature data for Saint-Lazare 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-Lazare

In Saint-Lazare in May, the precipitation amount is 110 mm (4.3 in) over a span of 12 days.

May Precipitation Trends in Saint-Lazare

The chart displays monthly precipitation patterns in Saint-Lazare, 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-Lazare, May typically receives around 110 mm (4.3 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec8689911201101041091058113311291
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Saint-Lazare

In Saint-Lazare 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 Saint-Lazare

This chart illustrates the average monthly humidity levels in Saint-Lazare, 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-Lazare 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 Saint-Lazare

In Saint-Lazare 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-Lazare.

Maximum UV Index Levels in Saint-Lazare for May

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

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

This table compares monthly weather conditions in Saint-Lazare, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-9°C (17°F)86 mm (3.4 inches)93%low
February Weather-7°C (19°F)89 mm (3.5 inches)92%moderate
March Weather-2°C (28°F)91 mm (3.6 inches)86%moderate
April Weather6°C (42°F)120 mm (4.7 inches)85%high
May Weather13°C (56°F)110 mm (4.3 inches)80%very high
June Weather19°C (66°F)104 mm (4.1 inches)74%very high
July Weather22°C (71°F)109 mm (4.3 inches)76%very high
August Weather20°C (69°F)105 mm (4.1 inches)75%very high
September Weather16°C (61°F)81 mm (3.2 inches)78%high
October Weather9°C (49°F)133 mm (5.2 inches)86%moderate
November Weather1°C (34°F)112 mm (4.4 inches)88%moderate
December Weather-5°C (23°F)91 mm (3.6 inches)89%low

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