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March Weather in Mattawa, Canada

Last updated: June 18, 2025

In March, the average temperature in Mattawa, Canada hovers around -4°C (24°F), with a minimum plummeting to -29°C (-20°F) and a maximum reaching 19°C (67°F). During this time, precipitation typically amounts to 61 mm (2.4 in) spread over 11 days, while the average humidity lingers at a brisk 89%.

March Temperature in Mattawa

In March in Mattawa, the average temperature is -4°C (24°F), with maximums reaching 19°C (67°F) and minimums dropping as low as -29°C (-20°F). Travelers should be prepared for a wide range of temperatures and dress in layers to stay comfortable.

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

The chart illustrates March temperature patterns in Mattawa, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mattawa, March typically has an average temperature of -4°C (24°F), with highs reaching up to 19°C (67°F) and lows dropping to around -29°C (-20°F).
JanFebMarAprMayJunJulAugSepOctNovDec131524385262686557453019
Data source: Temperature data for Mattawa 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 Mattawa

In Mattawa in March, the total precipitation amount is 61 mm (2.4 in) over the course of 11 days.

March Precipitation Trends in Mattawa

The chart displays monthly precipitation patterns in Mattawa, 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 Mattawa, March typically receives around 61 mm (2.4 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec556661100103106951161061038676
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
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March Humidity in Mattawa

In Mattawa in March, humidity is 89%. With an average temperature of -4°C (24°F), this humidity feels like an unexpected chill that can make outdoor activities uncomfortable, turning even short walks into a brisk challenge as the dampness seeps into your clothing.

March Average Humidity in Mattawa

This chart illustrates the average monthly humidity levels in Mattawa, 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 Mattawa is approximately 89%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec96%95%89%85%74%67%71%71%76%86%90%94%
Data source: Humidity data for March generated using information from the Copernicus Climate Change Service.

March UV Index in Mattawa

In Mattawa 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 Mattawa.

Maximum UV Index Levels in Mattawa for March

The chart shows the monthly maximum UV Index (UVI) for Mattawa 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 Mattawa typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235799987532
Data source: Mattawa 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 Mattawa Compares to Other Months

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

This table compares monthly weather conditions in Mattawa, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-11°C (13°F)55 mm (2.2 inches)96%low
February Weather-10°C (15°F)66 mm (2.6 inches)95%moderate
March Weather-4°C (24°F)61 mm (2.4 inches)89%moderate
April Weather3°C (38°F)99 mm (3.9 inches)85%high
May Weather11°C (53°F)103 mm (4.1 inches)74%very high
June Weather17°C (62°F)106 mm (4.2 inches)67%very high
July Weather20°C (68°F)95 mm (3.7 inches)71%very high
August Weather18°C (65°F)116 mm (4.6 inches)71%very high
September Weather14°C (57°F)105 mm (4.2 inches)76%high
October Weather7°C (46°F)103 mm (4.0 inches)86%moderate
November Weather-1°C (31°F)86 mm (3.4 inches)90%moderate
December Weather-7°C (19°F)76 mm (3.0 inches)94%low

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