May Weather in Watford, Canada

Last updated: June 18, 2025

In May, the average temperature in Watford, Canada is a comfortable 12°C (54°F). Expect a temperature range with a minimum of -1°C (31°F) and a maximum of 27°C (80°F). Be prepared for some rain, as the area receives an average precipitation of 104 mm (4.1 in) over 13 days. With an average humidity level of 82%, you'll experience a pleasantly moist climate that adds to the region's charm.

May Temperature in Watford

In May in Watford, the average temperature is 12°C (54°F), with maximums reaching 27°C (80°F) and minimums dropping as low as -1°C (31°F). It's a unique time to visit, offering a blend of mild days and cool nights, perfect for exploring the local attractions.

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

The chart illustrates May temperature patterns in Watford, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Watford, May typically has an average temperature of 12°C (54°F), with highs reaching up to 27°C (80°F) and lows dropping to around -1°C (31°F).

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

May Precipitation in Watford

In Watford in May, the precipitation amount is 104 mm (4.1 in) over the course of 13 days.

May Precipitation Trends in Watford

The chart displays monthly precipitation patterns in Watford, 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 Watford, May typically receives around 104 mm (4.1 inches) of precipitation spread over approximately 13 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 Watford

In Watford in May humidity is 82%. With an average temperature of 12°C (54°F), this humidity feels like a heavy blanket wrapping around you, making every step feel sluggish and sweat-inducing, which can be quite uncomfortable for traveling.

May Average Humidity in Watford

This chart illustrates the average monthly humidity levels in Watford, 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 Watford is approximately 82%, 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 Watford

In Watford in May, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Watford.

Maximum UV Index Levels in Watford for May

The chart shows the monthly maximum UV Index (UVI) for Watford 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 Watford typically reaches 9, which falls under the very high exposure category.

Data source: Watford 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 Watford Compares to Other Months

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

This table compares monthly weather conditions in Watford, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-3°C (27°F)	81 mm (3.2 inches)	90%	low
February Weather	-2°C (28°F)	82 mm (3.2 inches)	90%	moderate
March Weather	1°C (35°F)	80 mm (3.1 inches)	87%	moderate
April Weather	6°C (43°F)	109 mm (4.3 inches)	87%	very high
May Weather	12°C (54°F)	104 mm (4.1 inches)	82%	very high
June Weather	18°C (65°F)	87 mm (3.4 inches)	81%	very high
July Weather	22°C (72°F)	84 mm (3.3 inches)	79%	very high
August Weather	22°C (71°F)	99 mm (3.9 inches)	80%	very high
September Weather	18°C (65°F)	87 mm (3.4 inches)	81%	high
October Weather	12°C (54°F)	138 mm (5.4 inches)	84%	moderate
November Weather	4°C (40°F)	99 mm (3.9 inches)	88%	moderate
December Weather	1°C (33°F)	74 mm (2.9 inches)	87%	low