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March Weather in Casselman, Canada

Last updated: June 18, 2025

In Casselman, Canada, the average temperature in March hovers around -2°C (29°F). Be prepared for extremes, as temperatures can dip as low as -22°C (-7°F) or rise to a surprising 21°C (71°F). With 90 mm (3.5 in) of precipitation spread across 11 days, the average humidity stays high at 86%—making for a chilly yet atmospheric month.

March Temperature in Casselman

In March in Casselman, the average temperature is -2°C (29°F). Maximum temperatures can reach 21°C (71°F), while minimums can plummet to as low as -22°C (-7°F). Be prepared for a wide range of temperatures and pack accordingly for your trip!

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

The chart illustrates March temperature patterns in Casselman, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Casselman, March typically has an average temperature of -2°C (29°F), with highs reaching up to 21°C (71°F) and lows dropping to around -22°C (-7°F).
JanFebMarAprMayJunJulAugSepOctNovDec182029435766716961503424
Data source: Temperature data for Casselman 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 Casselman

In Casselman in March, the total precipitation amounts to 90 mm (3.5 in) over the course of 11 days.

March Precipitation Trends in Casselman

The chart displays monthly precipitation patterns in Casselman, 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 Casselman, March typically receives around 90 mm (3.5 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec818390118113101118977513410184
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
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March Humidity in Casselman

In Casselman 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 Casselman

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

In Casselman 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 Casselman.

Maximum UV Index Levels in Casselman for March

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

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

This table compares monthly weather conditions in Casselman, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-8°C (18°F)81 mm (3.2 inches)93%low
February Weather-7°C (20°F)83 mm (3.3 inches)93%moderate
March Weather-2°C (29°F)90 mm (3.5 inches)86%moderate
April Weather6°C (43°F)118 mm (4.6 inches)82%very high
May Weather14°C (57°F)113 mm (4.4 inches)75%very high
June Weather19°C (66°F)101 mm (4.0 inches)68%very high
July Weather22°C (72°F)118 mm (4.6 inches)69%very high
August Weather21°C (69°F)97 mm (3.8 inches)67%very high
September Weather16°C (61°F)75 mm (2.9 inches)72%high
October Weather10°C (50°F)134 mm (5.3 inches)83%moderate
November Weather1°C (34°F)101 mm (4.0 inches)88%moderate
December Weather-5°C (24°F)84 mm (3.3 inches)89%low

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