May Weather in Grenfell, Canada

Last updated: June 18, 2025

In May, the average temperature in Grenfell, Canada is a mild 11°C (52°F). However, temperatures can fluctuate significantly, with a minimum of -8°C (18°F) and a maximum soaring to 31°C (88°F). Residents can expect approximately 43 mm (1.7 in) of precipitation over about 8 days during this month, alongside an average humidity level of 71%.

May Temperature in Grenfell

In May in Grenfell, the average temperature is 11°C (52°F). Maximum temperatures can reach up to 31°C (88°F), while minimum temperatures can drop as low as -8°C (18°F). Be prepared for significant temperature fluctuations during your travels.

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

The chart illustrates May temperature patterns in Grenfell, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Grenfell, May typically has an average temperature of 11°C (52°F), with highs reaching up to 31°C (88°F) and lows dropping to around -8°C (18°F).

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

May Precipitation in Grenfell

In Grenfell in May, the total precipitation amount is 43 mm (1.7 in) over the course of 8 days.

May Precipitation Trends in Grenfell

The chart displays monthly precipitation patterns in Grenfell, 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 Grenfell, May typically receives around 43 mm (1.7 inches) of precipitation spread over approximately 8 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 Grenfell

In Grenfell in May, humidity is 71%. With an average temperature of 11°C (52°F), this humidity feels like a damp chill that seeps into your clothes, making outdoor exploration less enjoyable and encouraging frequent breaks in cozy cafes or sheltered spots.

May Average Humidity in Grenfell

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

In Grenfell 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 Grenfell.

Maximum UV Index Levels in Grenfell for May

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

Data source: Grenfell 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 Grenfell Compares to Other Months

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

This table compares monthly weather conditions in Grenfell, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-13°C (8°F)	14 mm (0.6 inches)	91%	low
February Weather	-16°C (4°F)	13 mm (0.5 inches)	94%	moderate
March Weather	-5°C (23°F)	26 mm (1.0 inches)	91%	moderate
April Weather	2°C (35°F)	30 mm (1.2 inches)	79%	high
May Weather	11°C (52°F)	43 mm (1.7 inches)	71%	very high
June Weather	17°C (62°F)	100 mm (3.9 inches)	65%	very high
July Weather	19°C (67°F)	55 mm (2.2 inches)	75%	very high
August Weather	17°C (63°F)	50 mm (2.0 inches)	76%	very high
September Weather	12°C (54°F)	57 mm (2.2 inches)	73%	high
October Weather	3°C (38°F)	31 mm (1.2 inches)	77%	moderate
November Weather	-5°C (23°F)	28 mm (1.1 inches)	88%	low
December Weather	-10°C (14°F)	21 mm (0.8 inches)	95%	low