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March Weather in Ajax, Canada

Last updated: June 18, 2025

In March, the average temperature in Ajax, Canada hovers around 1°C (33°F), with a possible minimum of -13°C (8°F) and a maximum reaching 12°C (53°F). Be prepared for a wet month, as precipitation averages 77 mm (3.0 in) across 11 days. With an average humidity of 88%, the air is likely to feel quite damp, making it essential to dress accordingly!

March Temperature in Ajax

In March in Ajax, the average temperature is 1°C (33°F). Maximums can reach 12°C (53°F) and minimums can be as low as -13°C (8°F). Travelers should prepare for a chilly climate with significant temperature variations, making warm clothing essential.

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

The chart illustrates March temperature patterns in Ajax, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ajax, March typically has an average temperature of 1°C (33°F), with highs reaching up to 12°C (53°F) and lows dropping to around -13°C (8°F).
JanFebMarAprMayJunJulAugSepOctNovDec272833404860707165554133
Data source: Temperature data for Ajax 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 Ajax

In Ajax in March, the precipitation amount is 77 mm (3.0 in) over the course of 11 days.

March Precipitation Trends in Ajax

The chart displays monthly precipitation patterns in Ajax, 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 Ajax, March typically receives around 77 mm (3.0 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec8488771221057770787311810296
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
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March Humidity in Ajax

In Ajax in March humidity is 88%. With an average temperature of 1°C (33°F), this humidity feels like a damp chill wrapping around you, making it difficult to stay warm while traveling, as each breath carries a heavy, cold moisture that clings to your skin.

March Average Humidity in Ajax

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

In Ajax 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 Ajax.

Maximum UV Index Levels in Ajax for March

The chart shows the monthly maximum UV Index (UVI) for Ajax 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 Ajax typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec245899987532
Data source: Ajax 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 Ajax Compares to Other Months

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

This table compares monthly weather conditions in Ajax, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-3°C (28°F)84 mm (3.3 inches)91%low
February Weather-2°C (28°F)88 mm (3.5 inches)91%moderate
March Weather1°C (33°F)77 mm (3.0 inches)88%moderate
April Weather5°C (41°F)122 mm (4.8 inches)88%very high
May Weather9°C (49°F)105 mm (4.1 inches)82%very high
June Weather16°C (60°F)77 mm (3.0 inches)79%very high
July Weather21°C (70°F)70 mm (2.7 inches)77%very high
August Weather22°C (71°F)78 mm (3.1 inches)72%very high
September Weather18°C (65°F)73 mm (2.9 inches)76%high
October Weather13°C (55°F)118 mm (4.6 inches)83%moderate
November Weather5°C (41°F)102 mm (4.0 inches)88%moderate
December Weather1°C (33°F)96 mm (3.8 inches)87%low

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