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March Weather in Mississauga, Canada

Last updated: June 18, 2025

In March, the average temperature in Mississauga, Canada hovers around 1°C (34°F). Temperatures can fluctuate, with a chilling minimum of -17°C (2°F) and a mild maximum of 17°C (63°F). Expect about 64 mm (2.5 in) of precipitation spread over 9 days, paired with a high average humidity of 88%.

March Temperature in Mississauga

In March in Mississauga, the average temperature is 1°C (34°F). The maximum can reach 17°C (63°F) and the minimum can be as low as -17°C (2°F). Be prepared for a wide range of temperatures and pack accordingly for your travels.

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

The chart illustrates March temperature patterns in Mississauga, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mississauga, March typically has an average temperature of 1°C (34°F), with highs reaching up to 17°C (63°F) and lows dropping to around -17°C (2°F).
JanFebMarAprMayJunJulAugSepOctNovDec262733425465727164533932
Data source: Temperature data for Mississauga 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 Mississauga

In Mississauga in March, the precipitation amount is 64 mm (2.5 in) over a span of 9 days.

March Precipitation Trends in Mississauga

The chart displays monthly precipitation patterns in Mississauga, 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 Mississauga, March typically receives around 64 mm (2.5 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec73806411098887577631087978
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
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March Humidity in Mississauga

In Mississauga in March humidity is 88%. With an average temperature of 1°C (34°F), this humidity feels like a chilling embrace, making travel feel damp and brisk, where every breath carries a crisp bite, and the air clings to your skin, urging you to seek warmth and comfort.

March Average Humidity in Mississauga

This chart illustrates the average monthly humidity levels in Mississauga, 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 Mississauga is approximately 88%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%91%88%88%82%80%77%72%76%83%88%87%
Data source: Humidity data for March generated using information from the Copernicus Climate Change Service.

March UV Index in Mississauga

In Mississauga 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 Mississauga.

Maximum UV Index Levels in Mississauga for March

The chart shows the monthly maximum UV Index (UVI) for Mississauga 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 Mississauga typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec245899997532
Data source: Mississauga 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 Mississauga Compares to Other Months

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

This table compares monthly weather conditions in Mississauga, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-3°C (26°F)73 mm (2.9 inches)91%low
February Weather-3°C (27°F)80 mm (3.2 inches)91%moderate
March Weather1°C (34°F)64 mm (2.5 inches)88%moderate
April Weather6°C (43°F)110 mm (4.3 inches)88%very high
May Weather12°C (54°F)98 mm (3.9 inches)82%very high
June Weather18°C (65°F)88 mm (3.5 inches)79%very high
July Weather22°C (72°F)75 mm (2.9 inches)77%very high
August Weather22°C (71°F)77 mm (3.0 inches)72%very high
September Weather18°C (64°F)63 mm (2.5 inches)76%high
October Weather12°C (53°F)108 mm (4.3 inches)83%moderate
November Weather4°C (39°F)79 mm (3.1 inches)88%moderate
December Weather0°C (32°F)78 mm (3.1 inches)87%low

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