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May Weather in High River, Canada

Last updated: June 18, 2025

In May, the average temperature in High River, Canada hovers around 11°C (52°F), providing a mild climate for visitors. However, be prepared for temperature fluctuations, as it can dip as low as -4°C (24°F) or soar to a pleasant 29°C (85°F). During this month, expect about 59 mm (2.3 in) of precipitation over approximately 10 days, and an average humidity level of 80% adds to the overall ambiance.

May Temperature in High River

In May in High River, the average temperature is 11°C (52°F). Maximums can reach 29°C (85°F), while minimums can dip as low as -4°C (24°F). It's advisable to pack both light clothing for warmer days and warmer layers for the chilly evenings.

May Weather in High River: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in High River, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In High River, May typically has an average temperature of 11°C (52°F), with highs reaching up to 29°C (85°F) and lows dropping to around -4°C (24°F).
JanFebMarAprMayJunJulAugSepOctNovDec211529385160646353393022
Data source: Temperature data for High River 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 High River

In High River in May, the precipitation amount is 59 mm (2.3 in) over the course of 10 days.

May Precipitation Trends in High River

The chart displays monthly precipitation patterns in High River, 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 High River, May typically receives around 59 mm (2.3 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec92725365964403234282421
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in High River

In High River in May, humidity is 80%. With an average temperature of 11°C (52°F), this humidity feels like a damp blanket wrapping around you, making travel a bit uncomfortable as you navigate through the thick, languid air.

May Average Humidity in High River

This chart illustrates the average monthly humidity levels in High River, 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 High River is approximately 80%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%93%88%84%80%79%80%77%74%80%86%92%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in High River

In High River 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 High River.

Maximum UV Index Levels in High River for May

The chart shows the monthly maximum UV Index (UVI) for High River 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 High River typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235688987421
Data source: High River 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 High River Compares to Other Months

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

This table compares monthly weather conditions in High River, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-6°C (21°F)9 mm (0.3 inches)91%low
February Weather-9°C (16°F)27 mm (1.1 inches)93%moderate
March Weather-2°C (29°F)25 mm (1.0 inches)88%moderate
April Weather4°C (39°F)36 mm (1.4 inches)84%high
May Weather11°C (52°F)59 mm (2.3 inches)80%very high
June Weather15°C (60°F)64 mm (2.5 inches)79%very high
July Weather18°C (64°F)40 mm (1.6 inches)80%very high
August Weather17°C (63°F)32 mm (1.3 inches)77%very high
September Weather12°C (53°F)34 mm (1.4 inches)74%high
October Weather4°C (40°F)28 mm (1.1 inches)80%moderate
November Weather-1°C (31°F)24 mm (1.0 inches)86%low
December Weather-6°C (22°F)21 mm (0.8 inches)92%low

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