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May Weather in Rouyn-Noranda, Canada

Last updated: June 18, 2025

In Rouyn-Noranda, Canada, the average temperature for May hovers around 9°C (49°F), with a range that can dip as low as -8°C (18°F) and peak at a warm 30°C (86°F). Expect about 90 mm (3.6 in) of rain spread over 12 days, contributing to an average humidity of 79%. Prepare accordingly for a month that offers a mix of chilly and warm moments!

May Temperature in Rouyn-Noranda

In May in Rouyn-Noranda, the average temperature is 9°C (49°F), with maximums soaring up to 30°C (86°F) and minimums dipping as low as -8°C (18°F). This temperature range makes Rouyn-Noranda an ideal destination for travelers seeking a mix of cool and warm weather experiences.

May Weather in Rouyn-Noranda: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Rouyn-Noranda, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rouyn-Noranda, May typically has an average temperature of 9°C (49°F), with highs reaching up to 30°C (86°F) and lows dropping to around -8°C (18°F).
JanFebMarAprMayJunJulAugSepOctNovDec7919334860666354422613
Data source: Temperature data for Rouyn-Noranda 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 Rouyn-Noranda

In Rouyn-Noranda in May, the precipitation amount is 90 mm (3.6 in) spread over 12 days.

May Precipitation Trends in Rouyn-Noranda

The chart displays monthly precipitation patterns in Rouyn-Noranda, 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 Rouyn-Noranda, May typically receives around 90 mm (3.6 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec45575276908893951011328469
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Rouyn-Noranda

In Rouyn-Noranda in May humidity is 79%. With an average temperature of 9°C (49°F), this humidity feels like a damp chill that seeps into your bones, making it essential to dress in layers and carrying a light raincoat for a comfortable travel experience.

May Average Humidity in Rouyn-Noranda

This chart illustrates the average monthly humidity levels in Rouyn-Noranda, 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 Rouyn-Noranda is approximately 79%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec97%96%94%89%79%76%82%85%86%90%91%97%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Rouyn-Noranda

In Rouyn-Noranda in May, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Rouyn-Noranda.

Maximum UV Index Levels in Rouyn-Noranda for May

The chart shows the monthly maximum UV Index (UVI) for Rouyn-Noranda 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 Rouyn-Noranda typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235789886421
Data source: Rouyn-Noranda 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 Rouyn-Noranda Compares to Other Months

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

This table compares monthly weather conditions in Rouyn-Noranda, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-14°C (7°F)45 mm (1.8 inches)97%low
February Weather-13°C (9°F)57 mm (2.2 inches)96%moderate
March Weather-7°C (20°F)52 mm (2.1 inches)93%moderate
April Weather1°C (34°F)76 mm (3.0 inches)89%high
May Weather9°C (49°F)90 mm (3.6 inches)79%very high
June Weather15°C (60°F)88 mm (3.5 inches)76%very high
July Weather19°C (67°F)93 mm (3.7 inches)82%very high
August Weather17°C (63°F)95 mm (3.7 inches)85%very high
September Weather12°C (55°F)101 mm (4.0 inches)86%high
October Weather6°C (42°F)132 mm (5.2 inches)90%moderate
November Weather-3°C (26°F)84 mm (3.3 inches)91%low
December Weather-11°C (13°F)68 mm (2.7 inches)96%low

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