May Weather in Regina, Canada

Last updated: June 18, 2025

In May, the average temperature in Regina, Canada is a comfortable 12°C (53°F). However, temperatures can fluctuate notably, with minimums dipping to -6°C (21°F) and maximums soaring up to 32°C (90°F). Expect 33 mm (1.3 in) of precipitation spread over 6 days, accompanied by an average humidity level of 71%. Stay prepared for a mix of weather conditions!

May Temperature in Regina

In May in Regina, the average temperature is 12°C (53°F). Maximum temperatures can reach 32°C (90°F), while minimums can drop as low as -6°C (21°F). Be prepared for a wide range of temperatures when traveling to Regina this month.

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

The chart illustrates May temperature patterns in Regina, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Regina, May typically has an average temperature of 12°C (53°F), with highs reaching up to 32°C (90°F) and lows dropping to around -6°C (21°F).

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

May Precipitation in Regina

In Regina, in May, the precipitation amount is 33 mm (1.3 in) over the course of 6 days.

May Precipitation Trends in Regina

The chart displays monthly precipitation patterns in Regina, 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 Regina, May typically receives around 33 mm (1.3 inches) of precipitation spread over approximately 6 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

May Humidity in Regina

In Regina in May humidity is 71%. With an average temperature of 12°C (53°F), this humidity feels like a damp chill that can make outdoor activities uncomfortable, often leaving you feeling clammy and requiring a light jacket to stay warm.

May Average Humidity in Regina

This chart illustrates the average monthly humidity levels in Regina, 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 Regina is approximately 71%, 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 Regina

In Regina 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 Regina.

Maximum UV Index Levels in Regina for May

The chart shows the monthly maximum UV Index (UVI) for Regina 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 Regina typically reaches 8, which falls under the very high exposure category.

Data source: Regina 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 Regina Compares to Other Months

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

This table compares monthly weather conditions in Regina, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-12°C (10°F)	14 mm (0.5 inches)	91%	low
February Weather	-14°C (6°F)	12 mm (0.5 inches)	94%	moderate
March Weather	-4°C (24°F)	23 mm (0.9 inches)	91%	moderate
April Weather	2°C (36°F)	25 mm (1.0 inches)	79%	high
May Weather	12°C (53°F)	33 mm (1.3 inches)	71%	very high
June Weather	17°C (62°F)	100 mm (4.0 inches)	65%	very high
July Weather	19°C (67°F)	59 mm (2.3 inches)	75%	very high
August Weather	18°C (64°F)	47 mm (1.8 inches)	76%	very high
September Weather	12°C (54°F)	47 mm (1.9 inches)	73%	high
October Weather	3°C (38°F)	29 mm (1.1 inches)	77%	moderate
November Weather	-5°C (24°F)	29 mm (1.2 inches)	88%	low
December Weather	-9°C (15°F)	19 mm (0.7 inches)	95%	low