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March Weather in Laval, Canada

Last updated: June 18, 2025

In March, the average temperature in Laval, Canada hovers around -2°C (29°F), with extremes ranging from a frigid -22°C (-8°F) to a surprisingly warm 19°C (66°F). This month sees 85 mm (3.3 in) of precipitation spread over 11 days, contributing to an average humidity of 86%. Stay prepared for the chilly, damp conditions!

March Temperature in Laval

In March in Laval, the average temperature is -2°C (29°F). The maximum can reach 19°C (66°F), and the minimum can be as low as -22°C (-8°F). Be prepared for a wide temperature range and pack accordingly if you're planning to travel during this time.

March Weather in Laval: Daily Temperature Highs, Lows, and Averages

The chart illustrates March temperature patterns in Laval, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Laval, March typically has an average temperature of -2°C (29°F), with highs reaching up to 19°C (66°F) and lows dropping to around -22°C (-8°F).
JanFebMarAprMayJunJulAugSepOctNovDec172028425666727062513624
Data source: Temperature data for Laval 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.

March Precipitation in Laval

In Laval in March, the total precipitation amount is 85 mm (3.3 in) over a span of 11 days.

March Precipitation Trends in Laval

The chart displays monthly precipitation patterns in Laval, with values for each month alongside March’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how March’s conditions compare to those of other months. In Laval, March typically receives around 85 mm (3.3 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec848585120969789996913211589
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
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March Humidity in Laval

In Laval in March humidity is 86%. With an average temperature of -2°C (29°F), this humidity feels like a damp chill that seeps through layers of clothing, making outdoor activities uncomfortable and travel plans challenging.

March Average Humidity in Laval

This chart illustrates the average monthly humidity levels in Laval, with March’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In March, average humidity in Laval is approximately 86%, 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 March generated using information from the Copernicus Climate Change Service.

March UV Index in Laval

In Laval in March, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Laval.

Maximum UV Index Levels in Laval for March

The chart shows the monthly maximum UV Index (UVI) for Laval in March, 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 March, the maximum UV index in Laval typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec245799887532
Data source: Laval March 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 March Weather in Laval Compares to Other Months

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

This table compares monthly weather conditions in Laval, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-8°C (18°F)84 mm (3.3 inches)93%low
February Weather-7°C (20°F)85 mm (3.3 inches)92%moderate
March Weather-2°C (29°F)85 mm (3.3 inches)86%moderate
April Weather6°C (42°F)120 mm (4.7 inches)85%high
May Weather13°C (56°F)96 mm (3.8 inches)80%very high
June Weather19°C (67°F)97 mm (3.8 inches)74%very high
July Weather22°C (73°F)89 mm (3.5 inches)76%very high
August Weather21°C (71°F)98 mm (3.9 inches)75%very high
September Weather17°C (62°F)69 mm (2.7 inches)78%high
October Weather10°C (51°F)132 mm (5.2 inches)86%moderate
November Weather2°C (36°F)115 mm (4.5 inches)88%moderate
December Weather-4°C (24°F)89 mm (3.5 inches)89%low

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