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May Weather in Okotoks, Canada

Last updated: August 22, 2025

In May, the average temperature in Okotoks, Canada hovers around 10°C (51°F), with extremes ranging from a chilly -7°C (20°F) to a warm 29°C (85°F). Expect about 63 mm (2.5 in) of precipitation spread across 11 days, contributing to an average humidity of 80%. Prepare accordingly for a mix of cool and warm days ahead!

May Temperature in Okotoks

In May in Okotoks, the average temperature is 10°C (51°F). Maximums can reach 29°C (85°F), while minimums can drop as low as -7°C (20°F). Be sure to pack layers to accommodate the wide temperature range during your travels.

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

The chart illustrates May temperature patterns in Okotoks, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Okotoks, May typically has an average temperature of 10°C (51°F), with highs reaching up to 29°C (85°F) and lows dropping to around -7°C (20°F).
JanFebMarAprMayJunJulAugSepOctNovDec201428375059636252392921
Data source: Temperature data for Okotoks 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 Okotoks

In Okotoks in May, the precipitation amount is 63 mm (2.5 in) during a total of 11 days.

May Precipitation Trends in Okotoks

The chart displays monthly precipitation patterns in Okotoks, 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 Okotoks, May typically receives around 63 mm (2.5 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec92928416376634342312624
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Okotoks

In Okotoks in May, humidity is 80%. With an average temperature of 10°C (51°F), this humidity feels like a damp layer clinging to the skin, making outdoor activities uncomfortable and requiring travelers to dress in layers to cope with the chill and moisture in the air.

May Average Humidity in Okotoks

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

In Okotoks 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 Okotoks.

Maximum UV Index Levels in Okotoks for May

The chart shows the monthly maximum UV Index (UVI) for Okotoks 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 Okotoks typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec234688987421
Data source: Okotoks 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 Okotoks Compares to Other Months

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

This table compares monthly weather conditions in Okotoks, 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-10°C (15°F)29 mm (1.1 inches)93%moderate
March Weather-2°C (28°F)28 mm (1.1 inches)88%moderate
April Weather3°C (37°F)41 mm (1.6 inches)84%high
May Weather10°C (51°F)63 mm (2.5 inches)80%very high
June Weather15°C (59°F)76 mm (3.0 inches)79%very high
July Weather17°C (63°F)63 mm (2.5 inches)80%very high
August Weather17°C (62°F)43 mm (1.7 inches)77%very high
September Weather11°C (52°F)42 mm (1.7 inches)74%high
October Weather4°C (39°F)31 mm (1.2 inches)80%moderate
November Weather-2°C (29°F)26 mm (1.0 inches)86%low
December Weather-6°C (21°F)24 mm (0.9 inches)92%low

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