May Weather in Edmonton, United States

Last updated: June 24, 2025

In May, the average temperature in Edmonton, United States hovers around 20°C (69°F), with fluctuations ranging from a minimum of 1°C (35°F) to a maximum of 35°C (96°F). Visitors can expect 128 mm (5.0 in) of precipitation over approximately 13 days, accompanied by a high average humidity of 82%. Whether you're exploring or relaxing, be prepared for a mix of climate conditions!

May Temperature in Edmonton

In May in Edmonton, the average temperature is 20°C (69°F). Maximum temperatures can reach 35°C (96°F) while minimums can drop as low as 1°C (35°F). This climate makes Edmonton a great destination for travelers looking to enjoy mild weather with the possibility of both warm days and cool evenings.

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

The chart illustrates May temperature patterns in Edmonton, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Edmonton, May typically has an average temperature of 20°C (69°F), with highs reaching up to 35°C (96°F) and lows dropping to around 1°C (35°F).
JanFebMarAprMayJunJulAugSepOctNovDec384350576975797772624743
Data source: Temperature data for Edmonton 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 Edmonton

In Edmonton in May, the precipitation amount is 128 mm (5.0 in) spread over 13 days.

May Precipitation Trends in Edmonton

The chart displays monthly precipitation patterns in Edmonton, 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 Edmonton, May typically receives around 128 mm (5.0 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec10219115015112817512612812513889151
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Edmonton

In Edmonton in May humidity is 82%. With an average temperature of 20°C (69°F), this humidity feels like a warm, sticky embrace that clings to your skin, making it necessary to stay hydrated while exploring the sights.

May Average Humidity in Edmonton

This chart illustrates the average monthly humidity levels in Edmonton, 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 Edmonton is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%86%86%82%83%83%80%74%71%78%88%88%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Edmonton

In Edmonton in May, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Edmonton.

Maximum UV Index Levels in Edmonton for May

The chart shows the monthly maximum UV Index (UVI) for Edmonton 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 Edmonton typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3679101111109753
Data source: Edmonton 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 Edmonton Compares to Other Months

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

This table compares monthly weather conditions in Edmonton, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (39°F)102 mm (4.0 inches)87%moderate
February Weather6°C (44°F)191 mm (7.5 inches)86%high
March Weather10°C (51°F)150 mm (5.9 inches)86%high
April Weather14°C (58°F)151 mm (5.9 inches)82%very high
May Weather20°C (69°F)128 mm (5.0 inches)82%very high
June Weather24°C (75°F)175 mm (6.9 inches)83%extreme
July Weather26°C (79°F)126 mm (5.0 inches)80%extreme
August Weather25°C (77°F)128 mm (5.0 inches)74%very high
September Weather22°C (73°F)125 mm (4.9 inches)71%very high
October Weather17°C (62°F)138 mm (5.4 inches)78%high
November Weather8°C (47°F)89 mm (3.5 inches)88%moderate
December Weather6°C (44°F)151 mm (5.9 inches)88%moderate

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