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May Weather in Port-Cartier, Canada

Last updated: June 18, 2025

In May, the average temperature in Port-Cartier, Canada is 7°C (44°F), with temperatures ranging from a chilly -5°C (23°F) to a warm 24°C (75°F). Expect approximately 83 mm (3.3 in) of precipitation spread over 10 days, accompanied by a high average humidity of 80%.

May Temperature in Port-Cartier

In May in Port-Cartier, the average temperature is 7°C (44°F). Maximums can reach 24°C (75°F), while minimums can dip as low as -5°C (23°F). Be prepared for a wide range of temperatures when traveling during this month.

May Weather in Port-Cartier: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Port-Cartier, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Port-Cartier, May typically has an average temperature of 7°C (44°F), with highs reaching up to 24°C (75°F) and lows dropping to around -5°C (23°F).
JanFebMarAprMayJunJulAugSepOctNovDec111222334455636253433119
Data source: Temperature data for Port-Cartier 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 Port-Cartier

In Port-Cartier in May, the total precipitation amount is 83 mm (3.3 in) over a span of 10 days.

May Precipitation Trends in Port-Cartier

The chart displays monthly precipitation patterns in Port-Cartier, 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 Port-Cartier, May typically receives around 83 mm (3.3 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec726378107837569105145122117109
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Port-Cartier

In Port-Cartier in May humidity is 80%. With an average temperature of 7°C (44°F), this humidity feels like a chilly dampness that clings to your skin, making it essential to dress in layers and be prepared for a slightly uncomfortable but invigorating travel experience.

May Average Humidity in Port-Cartier

This chart illustrates the average monthly humidity levels in Port-Cartier, 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 Port-Cartier is approximately 80%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec93%92%91%89%80%69%77%81%82%87%87%92%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Port-Cartier

In Port-Cartier 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 Port-Cartier.

Maximum UV Index Levels in Port-Cartier for May

The chart shows the monthly maximum UV Index (UVI) for Port-Cartier 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 Port-Cartier typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec234799776421
Data source: Port-Cartier 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 Port-Cartier Compares to Other Months

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

This table compares monthly weather conditions in Port-Cartier, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-12°C (12°F)72 mm (2.8 inches)93%low
February Weather-11°C (13°F)63 mm (2.5 inches)92%moderate
March Weather-6°C (22°F)78 mm (3.1 inches)91%moderate
April Weather1°C (33°F)107 mm (4.2 inches)89%high
May Weather7°C (44°F)83 mm (3.3 inches)80%very high
June Weather13°C (56°F)75 mm (2.9 inches)69%very high
July Weather17°C (63°F)69 mm (2.7 inches)77%high
August Weather17°C (63°F)105 mm (4.1 inches)81%high
September Weather12°C (53°F)145 mm (5.7 inches)82%high
October Weather6°C (43°F)122 mm (4.8 inches)87%moderate
November Weather-1°C (31°F)117 mm (4.6 inches)87%low
December Weather-7°C (19°F)109 mm (4.3 inches)92%low

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