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May Weather in Arnprior, Canada

Last updated: June 18, 2025

In Arnprior, Canada, the average temperature in May hovers around 13°C (55°F), offering a mild climate. However, temperatures can vary widely, with minimums reaching -3°C (26°F) and maximums soaring to 35°C (95°F). Expect around 115 mm (4.5 in) of precipitation spread over 13 days, accompanied by an average humidity of 75%. Whether you're braving the chill or enjoying the warmth, prepare for a diverse weather experience!

May Temperature in Arnprior

In May in Arnprior, the average temperature is 13°C (55°F). Maximum temperatures can reach 35°C (95°F), while minimums can drop as low as -3°C (26°F). This wide temperature range makes Arnprior a suitable destination for travelers prepared for both warm days and cool nights.

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

The chart illustrates May temperature patterns in Arnprior, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Arnprior, May typically has an average temperature of 13°C (55°F), with highs reaching up to 35°C (95°F) and lows dropping to around -3°C (26°F).
JanFebMarAprMayJunJulAugSepOctNovDec161827415564706760483222
Data source: Temperature data for Arnprior 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 Arnprior

In Arnprior in May, the precipitation amount is 115 mm (4.5 in) spread over 13 days.

May Precipitation Trends in Arnprior

The chart displays monthly precipitation patterns in Arnprior, 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 Arnprior, May typically receives around 115 mm (4.5 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec71758011011595107101701259076
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Arnprior

In Arnprior in May humidity is 75%. With average temperature 13°C (55°F), this humidity feels like a damp chill that seeps into your bones, making outdoor excursions less enjoyable without layered clothing and frequent breaks to warm up indoors.

May Average Humidity in Arnprior

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

In Arnprior 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 Arnprior.

Maximum UV Index Levels in Arnprior for May

The chart shows the monthly maximum UV Index (UVI) for Arnprior 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 Arnprior typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec245899997532
Data source: Arnprior 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 Arnprior Compares to Other Months

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

This table compares monthly weather conditions in Arnprior, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-9°C (16°F)71 mm (2.8 inches)93%low
February Weather-8°C (18°F)75 mm (3.0 inches)93%moderate
March Weather-3°C (28°F)80 mm (3.1 inches)86%moderate
April Weather5°C (42°F)110 mm (4.3 inches)82%very high
May Weather13°C (55°F)115 mm (4.5 inches)75%very high
June Weather18°C (65°F)95 mm (3.7 inches)68%very high
July Weather21°C (71°F)107 mm (4.2 inches)69%very high
August Weather20°C (68°F)101 mm (4.0 inches)67%very high
September Weather15°C (60°F)70 mm (2.8 inches)72%high
October Weather9°C (48°F)125 mm (4.9 inches)83%moderate
November Weather0°C (33°F)90 mm (3.5 inches)88%moderate
December Weather-6°C (22°F)76 mm (3.0 inches)89%low

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