May Weather in Red Deer, Canada

Last updated: June 18, 2025

In May, the average temperature in Red Deer, Canada hovers around 10°C (51°F), with a minimum dipping to -6°C (22°F) and a maximum reaching 28°C (83°F). Expect precipitation of 68 mm (2.7 in) spread over 10 days, while the average humidity lingers at a comfortable 77%.

May Temperature in Red Deer

In May in Red Deer, the average temperature is 10°C (51°F). Maximum temperatures can reach 28°C (83°F), while minimums can drop as low as -6°C (22°F). This makes Red Deer a great destination for travelers seeking a mix of mild weather and diverse temperature experiences.

May Weather in Red Deer: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Red Deer, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Red Deer, May typically has an average temperature of 10°C (51°F), with highs reaching up to 28°C (83°F) and lows dropping to around -6°C (22°F).

Data source: Temperature data for Red Deer generated using information from the Copernicus Climate Change Service.

May Precipitation in Red Deer

In Red Deer in May, the precipitation amount is 68 mm (2.7 in) over a span of 10 days.

May Precipitation Trends in Red Deer

The chart displays monthly precipitation patterns in Red Deer, 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 Red Deer, May typically receives around 68 mm (2.7 inches) of precipitation spread over approximately 10 days.

Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

May Humidity in Red Deer

In Red Deer in May humidity is 77%. With an average temperature of 10°C (51°F), this humidity feels like a damp chill that can make outdoor activities somewhat uncomfortable, causing clothes to cling to your skin and breathing to feel heavier, which may deter longer sightseeing adventures.

May Average Humidity in Red Deer

This chart illustrates the average monthly humidity levels in Red Deer, 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 Red Deer is approximately 77%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Red Deer

In Red Deer 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 Red Deer.

Maximum UV Index Levels in Red Deer for May

The chart shows the monthly maximum UV Index (UVI) for Red Deer 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 Red Deer typically reaches 7, which falls under the high exposure category.

Data source: Red Deer 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 Red Deer Compares to Other Months

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

This table compares monthly weather conditions in Red Deer, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-9°C (15°F)	11 mm (0.5 inches)	90%	low
February Weather	-12°C (11°F)	21 mm (0.8 inches)	92%	moderate
March Weather	-4°C (24°F)	29 mm (1.1 inches)	87%	moderate
April Weather	2°C (36°F)	32 mm (1.3 inches)	81%	high
May Weather	10°C (51°F)	68 mm (2.7 inches)	77%	high
June Weather	15°C (59°F)	98 mm (3.9 inches)	77%	very high
July Weather	17°C (62°F)	87 mm (3.4 inches)	81%	very high
August Weather	16°C (60°F)	49 mm (1.9 inches)	78%	high
September Weather	10°C (51°F)	53 mm (2.1 inches)	73%	high
October Weather	3°C (37°F)	28 mm (1.1 inches)	78%	moderate
November Weather	-4°C (26°F)	31 mm (1.2 inches)	82%	low
December Weather	-8°C (17°F)	23 mm (0.9 inches)	91%	low