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March Weather in Renfrew, Canada

Last updated: June 18, 2025

In March, the average temperature in Renfrew, Canada hovers around -3°C (27°F). While temperatures can dip as low as -28°C (-19°F), they can also peak at a surprising 21°C (71°F). Expect 74 mm (2.9 in) of precipitation spread over about 11 days, contributing to a notably high average humidity of 86%. Prepare for a blend of chilly days and occasional warmth!

March Temperature in Renfrew

In March in Renfrew, the average temperature is -3°C (27°F). Maximums can reach 21°C (71°F) and minimums can be as low as -28°C (-19°F). Be prepared for a wide range of temperatures when traveling during this month.

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

The chart illustrates March temperature patterns in Renfrew, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Renfrew, March typically has an average temperature of -3°C (27°F), with highs reaching up to 21°C (71°F) and lows dropping to around -28°C (-19°F).
JanFebMarAprMayJunJulAugSepOctNovDec161827415464706759473221
Data source: Temperature data for Renfrew 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 Renfrew

In Renfrew in March, the precipitation amount is 74 mm (2.9 in) spread over the course of 11 days.

March Precipitation Trends in Renfrew

The chart displays monthly precipitation patterns in Renfrew, 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 Renfrew, March typically receives around 74 mm (2.9 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec68707410911192100110661108273
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
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March Humidity in Renfrew

In Renfrew in March, humidity is 86%. With an average temperature of -3°C (27°F), this humidity feels like a biting chill, making travel uncomfortable as the cold air penetrates through clothing, leaving you feeling damp and uneasy.

March Average Humidity in Renfrew

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

In Renfrew 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 Renfrew.

Maximum UV Index Levels in Renfrew for March

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

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

This table compares monthly weather conditions in Renfrew, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-9°C (16°F)68 mm (2.7 inches)93%low
February Weather-8°C (18°F)70 mm (2.8 inches)93%moderate
March Weather-3°C (27°F)74 mm (2.9 inches)86%moderate
April Weather5°C (41°F)109 mm (4.3 inches)82%very high
May Weather12°C (55°F)111 mm (4.4 inches)75%very high
June Weather18°C (64°F)92 mm (3.6 inches)68%very high
July Weather21°C (70°F)99 mm (3.9 inches)69%very high
August Weather19°C (67°F)110 mm (4.3 inches)67%very high
September Weather15°C (59°F)66 mm (2.6 inches)72%high
October Weather8°C (48°F)110 mm (4.3 inches)83%moderate
November Weather0°C (32°F)82 mm (3.2 inches)88%moderate
December Weather-6°C (22°F)73 mm (2.9 inches)89%low

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