May Weather in Surrey, Canada

Last updated: June 18, 2025

In May, the average temperature in Surrey, Canada hovers around 13°C (56°F), with a minimum dipping down to 4°C (40°F) and reaching a pleasant maximum of 28°C (82°F). Expect some rain, as 73 mm (2.9 in) of precipitation is typically spread over 10 days. The average humidity is a comfortable 81%, making it a unique experience every time you visit!

May Temperature in Surrey

In May in Surrey, the average temperature is 13°C (56°F). Maximums can reach 28°C (82°F), and minimums can be as low as 4°C (40°F). This moderate climate makes it a perfect time for outdoor exploration and sightseeing.

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

The chart illustrates May temperature patterns in Surrey, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Surrey, May typically has an average temperature of 13°C (56°F), with highs reaching up to 28°C (82°F) and lows dropping to around 4°C (40°F).

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

May Precipitation in Surrey

In Surrey in May, the precipitation amount is 73 mm (2.9 in) over the course of 10 days.

May Precipitation Trends in Surrey

The chart displays monthly precipitation patterns in Surrey, 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 Surrey, May typically receives around 73 mm (2.9 inches) of precipitation spread over approximately 10 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 Surrey

In Surrey in May, humidity is 81%. With an average temperature of 13°C (56°F), this humidity feels like a blanket of damp air that clings to your skin, making it essential to pack breathable clothing and stay hydrated while exploring.

May Average Humidity in Surrey

This chart illustrates the average monthly humidity levels in Surrey, 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 Surrey is approximately 81%, 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 Surrey

In Surrey 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 Surrey.

Maximum UV Index Levels in Surrey for May

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

Data source: Surrey 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 Surrey Compares to Other Months

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

This table compares monthly weather conditions in Surrey, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	4°C (40°F)	220 mm (8.6 inches)	86%	low
February Weather	4°C (39°F)	165 mm (6.5 inches)	85%	moderate
March Weather	7°C (45°F)	159 mm (6.3 inches)	86%	moderate
April Weather	10°C (50°F)	135 mm (5.3 inches)	86%	high
May Weather	13°C (56°F)	73 mm (2.9 inches)	81%	high
June Weather	16°C (61°F)	60 mm (2.3 inches)	83%	very high
July Weather	18°C (66°F)	28 mm (1.1 inches)	84%	very high
August Weather	19°C (66°F)	23 mm (0.9 inches)	77%	very high
September Weather	16°C (61°F)	149 mm (5.9 inches)	76%	high
October Weather	10°C (51°F)	198 mm (7.8 inches)	88%	moderate
November Weather	7°C (45°F)	296 mm (11.7 inches)	87%	low
December Weather	4°C (40°F)	238 mm (9.4 inches)	87%	low