May Weather in Cobourg, Canada

Last updated: June 18, 2025

In May, the average temperature in Cobourg, Canada hovers around 12°C (53°F). Expect temperatures to vary from a chilly -1°C (30°F) to a pleasant 26°C (78°F). During this time, you may experience approximately 89 mm (3.5 in) of precipitation over 12 days, and a relative humidity of around 82% adds to the atmosphere.

May Temperature in Cobourg

In May in Cobourg, the average temperature is 12°C (53°F). The maximum can reach 26°C (78°F), and the minimum can be as low as -1°C (30°F). This range makes Cobourg an ideal destination for travelers looking to experience a mix of mild weather and the possibility of cooler days, so be sure to pack accordingly!

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

The chart illustrates May temperature patterns in Cobourg, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Cobourg, May typically has an average temperature of 12°C (53°F), with highs reaching up to 26°C (78°F) and lows dropping to around -1°C (30°F).

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

May Precipitation in Cobourg

In Cobourg in May, the precipitation amount is 89 mm (3.5 in) during 12 days of rainfall.

May Precipitation Trends in Cobourg

The chart displays monthly precipitation patterns in Cobourg, 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 Cobourg, May typically receives around 89 mm (3.5 inches) of precipitation spread over approximately 12 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 Cobourg

In Cobourg in May, humidity is 82%. With an average temperature of 12°C (53°F), this humidity feels like a damp blanket enveloping you, making travel uncomfortable and sticky, as you navigate through the thick air that weighs heavily on your skin.

May Average Humidity in Cobourg

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

In Cobourg 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 Cobourg.

Maximum UV Index Levels in Cobourg for May

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

Data source: Cobourg 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 Cobourg Compares to Other Months

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

This table compares monthly weather conditions in Cobourg, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-5°C (24°F)	67 mm (2.6 inches)	91%	low
February Weather	-4°C (25°F)	71 mm (2.8 inches)	91%	moderate
March Weather	-1°C (31°F)	60 mm (2.4 inches)	88%	moderate
April Weather	5°C (42°F)	109 mm (4.3 inches)	88%	very high
May Weather	12°C (53°F)	89 mm (3.5 inches)	82%	very high
June Weather	18°C (64°F)	77 mm (3.0 inches)	79%	very high
July Weather	22°C (72°F)	85 mm (3.3 inches)	77%	very high
August Weather	22°C (71°F)	94 mm (3.7 inches)	72%	very high
September Weather	18°C (64°F)	74 mm (2.9 inches)	76%	high
October Weather	11°C (53°F)	105 mm (4.1 inches)	83%	moderate
November Weather	4°C (40°F)	87 mm (3.4 inches)	88%	moderate
December Weather	-1°C (31°F)	79 mm (3.1 inches)	87%	low