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May Weather in Petawawa, Canada

Last updated: June 18, 2025

In May, the average temperature in Petawawa, Canada hovers around 11°C (53°F), with a minimum of -3°C (26°F) and a maximum reaching up to 31°C (89°F). Expect 111 mm (4.4 in) of precipitation over approximately 13 days, and be prepared for a humidity level averaging 75%.

May Temperature in Petawawa

In May in Petawawa, the average temperature is 11°C (53°F). Maximum temperatures can reach 31°C (89°F), while minimum temperatures can drop as low as -3°C (26°F). It's advisable to pack layers to comfortably enjoy the diverse weather conditions during your travels.

May Weather in Petawawa: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Petawawa, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Petawawa, May typically has an average temperature of 11°C (53°F), with highs reaching up to 31°C (89°F) and lows dropping to around -3°C (26°F).
JanFebMarAprMayJunJulAugSepOctNovDec141625385363706758473220
Data source: Temperature data for Petawawa 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.

May Precipitation in Petawawa

In Petawawa in May, the precipitation amount reaches 111 mm (4.4 in) over the course of 13 days.

May Precipitation Trends in Petawawa

The chart displays monthly precipitation patterns in Petawawa, with values for each month alongside May’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May’s conditions compare to those of other months. In Petawawa, May typically receives around 111 mm (4.4 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec637471105112102103106971078680
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Petawawa

In Petawawa in May humidity is 75%. With an average temperature of 11°C (53°F), this humidity feels like a cool, damp embrace that can make exploring the area feel more challenging, as you constantly contend with the moisture in the air while trying to enjoy your travels.

May Average Humidity in Petawawa

This chart illustrates the average monthly humidity levels in Petawawa, with May’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In May, average humidity in Petawawa is approximately 75%, 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 May generated using information from the Copernicus Climate Change Service.

May UV Index in Petawawa

In Petawawa in May, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Petawawa.

Maximum UV Index Levels in Petawawa for May

The chart shows the monthly maximum UV Index (UVI) for Petawawa in May, 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 May, the maximum UV index in Petawawa typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec245799987532
Data source: Petawawa May 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 May Weather in Petawawa Compares to Other Months

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

This table compares monthly weather conditions in Petawawa, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-10°C (14°F)63 mm (2.5 inches)93%low
February Weather-9°C (17°F)74 mm (2.9 inches)93%moderate
March Weather-4°C (25°F)71 mm (2.8 inches)86%moderate
April Weather4°C (39°F)105 mm (4.1 inches)82%high
May Weather11°C (53°F)111 mm (4.4 inches)75%very high
June Weather17°C (63°F)102 mm (4.0 inches)68%very high
July Weather21°C (70°F)103 mm (4.0 inches)69%very high
August Weather19°C (67°F)106 mm (4.2 inches)67%very high
September Weather15°C (59°F)97 mm (3.8 inches)72%high
October Weather8°C (47°F)106 mm (4.2 inches)83%moderate
November Weather0°C (32°F)86 mm (3.4 inches)88%moderate
December Weather-7°C (20°F)80 mm (3.1 inches)89%low

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