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March Weather in Brockville, Canada

Last updated: June 18, 2025

In March, the average temperature in Brockville, Canada hovers around 0°C (31°F). During this time, temperatures can dip as low as -22°C (-7°F) or rise to a pleasant 21°C (70°F). Expect 84 mm (3.3 in) of precipitation spread over 11 days, contributing to the region's high average humidity of 86%.

March Temperature in Brockville

In March in Brockville, the average temperature is 0°C (31°F). Maximums can reach 21°C (70°F) and minimums can be as low as -22°C (-7°F). Be prepared for a wide range of temperatures when traveling to Brockville this month.

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

The chart illustrates March temperature patterns in Brockville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Brockville, March typically has an average temperature of 0°C (31°F), with highs reaching up to 21°C (70°F) and lows dropping to around -22°C (-7°F).
JanFebMarAprMayJunJulAugSepOctNovDec212331435565727063523828
Data source: Temperature data for Brockville 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 Brockville

In Brockville, in March, the precipitation amount is 84 mm (3.3 in) during a period of 11 days.

March Precipitation Trends in Brockville

The chart displays monthly precipitation patterns in Brockville, 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 Brockville, March typically receives around 84 mm (3.3 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec828284125103941271067315111393
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
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March Humidity in Brockville

In Brockville in March humidity is 86%. With an average temperature of 0°C (31°F), this humidity feels like an icy shroud wrapping around you, making every breath feel heavy and damp, which can be quite challenging for traveling.

March Average Humidity in Brockville

This chart illustrates the average monthly humidity levels in Brockville, 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 Brockville is approximately 86%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec93%93%86%82%75%68%69%67%72%83%88%89%
Data source: Humidity data for March generated using information from the Copernicus Climate Change Service.

March UV Index in Brockville

In Brockville 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 Brockville.

Maximum UV Index Levels in Brockville for March

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

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

This table compares monthly weather conditions in Brockville, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-6°C (22°F)82 mm (3.2 inches)93%low
February Weather-5°C (23°F)82 mm (3.2 inches)93%moderate
March Weather0°C (31°F)84 mm (3.3 inches)86%moderate
April Weather6°C (44°F)125 mm (4.9 inches)82%very high
May Weather13°C (56°F)103 mm (4.1 inches)75%very high
June Weather18°C (65°F)94 mm (3.7 inches)68%very high
July Weather22°C (72°F)127 mm (5.0 inches)69%very high
August Weather21°C (70°F)105 mm (4.2 inches)67%very high
September Weather17°C (63°F)73 mm (2.9 inches)72%high
October Weather11°C (52°F)151 mm (5.9 inches)83%moderate
November Weather3°C (38°F)113 mm (4.5 inches)88%moderate
December Weather-2°C (29°F)93 mm (3.7 inches)89%low

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