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May Weather in Prince Rupert, Canada

Last updated: June 18, 2025

In May, the average temperature in Prince Rupert, Canada hovers around 9°C (49°F), with minimums dipping to 2°C (37°F) and maximums reaching a warm 25°C (76°F). This month sees 131 mm (5.2 in) of precipitation spread across 15 days, contributing to an average humidity of 81%.

May Temperature in Prince Rupert

In May in Prince Rupert, the average temperature is 9°C (49°F). Maximums can reach 25°C (76°F), and minimums can be as low as 2°C (37°F). This range makes Prince Rupert an ideal destination for travelers seeking mild weather and the opportunity to enjoy outdoor activities.

May Weather in Prince Rupert: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Prince Rupert, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Prince Rupert, May typically has an average temperature of 9°C (49°F), with highs reaching up to 25°C (76°F) and lows dropping to around 2°C (37°F).
JanFebMarAprMayJunJulAugSepOctNovDec353438434953575754464135
Data source: Temperature data for Prince Rupert 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 Prince Rupert

In Prince Rupert in May, the precipitation amount is 131 mm (5.2 in) over a span of 15 days.

May Precipitation Trends in Prince Rupert

The chart displays monthly precipitation patterns in Prince Rupert, 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 Prince Rupert, May typically receives around 131 mm (5.2 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec285240277215131171134243256339446314
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Prince Rupert

In Prince Rupert in May humidity is 81%. With an average temperature of 9°C (49°F), this humidity feels like a damp chill clinging to your skin, making outdoor explorations rather uncomfortable and potentially dreary for travelers.

May Average Humidity in Prince Rupert

This chart illustrates the average monthly humidity levels in Prince Rupert, 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 Prince Rupert is approximately 81%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%85%84%85%81%81%90%92%92%91%87%87%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Prince Rupert

In Prince Rupert in May, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Prince Rupert.

Maximum UV Index Levels in Prince Rupert for May

The chart shows the monthly maximum UV Index (UVI) for Prince Rupert 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 Prince Rupert typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec123577875311
Data source: Prince Rupert 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 Prince Rupert Compares to Other Months

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

This table compares monthly weather conditions in Prince Rupert, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather2°C (35°F)285 mm (11.2 inches)86%low
February Weather1°C (34°F)240 mm (9.4 inches)85%low
March Weather3°C (38°F)277 mm (10.9 inches)84%moderate
April Weather6°C (43°F)215 mm (8.4 inches)85%moderate
May Weather9°C (49°F)131 mm (5.2 inches)81%high
June Weather12°C (53°F)171 mm (6.7 inches)81%high
July Weather14°C (57°F)134 mm (5.3 inches)90%very high
August Weather14°C (57°F)243 mm (9.6 inches)92%high
September Weather12°C (54°F)256 mm (10.1 inches)92%moderate
October Weather8°C (46°F)339 mm (13.3 inches)91%moderate
November Weather5°C (42°F)446 mm (17.5 inches)87%low
December Weather2°C (36°F)314 mm (12.4 inches)87%low

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