June Weather in Guelph, Canada

Last updated: June 18, 2025

In June, the average temperature in Guelph, Canada hovers around 19°C (66°F). Expect a minimum chill of 4°C (40°F) and the potential for warm highs of 33°C (92°F). Throughout the month, anticipate 105 mm (4.1 in) of precipitation spread over approximately 12 days, accompanied by an average humidity level of 81%.

June Temperature in Guelph

In June in Guelph, the average temperature is 19°C (66°F). Maximums can reach 33°C (92°F), and minimums can be as low as 4°C (40°F). This climate makes Guelph an ideal destination for travelers looking to experience mild conditions with the possibility of warmer days.

June Weather in Guelph: Daily Temperature Highs, Lows, and Averages

The chart illustrates June temperature patterns in Guelph, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Guelph, June typically has an average temperature of 19°C (66°F), with highs reaching up to 33°C (92°F) and lows dropping to around 4°C (40°F).

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

June Precipitation in Guelph

In Guelph in June, the precipitation amount is 105 mm (4.1 in) over the course of 12 days.

June Precipitation Trends in Guelph

The chart displays monthly precipitation patterns in Guelph, with values for each month alongside June’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how June’s conditions compare to those of other months. In Guelph, June typically receives around 105 mm (4.1 inches) of precipitation spread over approximately 12 days.

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

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Millimeters (mm) Inches (in)

June Humidity in Guelph

In Guelph in June, humidity is 81%. With an average temperature of 19°C (66°F), this humidity feels like a warm, heavy blanket enveloping you, making travel feel both muggy and slightly stifling, often leading to a need for frequent breaks in the shade.

June Average Humidity in Guelph

This chart illustrates the average monthly humidity levels in Guelph, with June’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In June, average humidity in Guelph is approximately 81%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for June generated using information from the Copernicus Climate Change Service.

June UV Index in Guelph

In Guelph in June, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Guelph.

Maximum UV Index Levels in Guelph for June

The chart shows the monthly maximum UV Index (UVI) for Guelph in June, 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 June, the maximum UV index in Guelph typically reaches 10, which falls under the very high exposure category.

Data source: Guelph June 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 June Weather in Guelph Compares to Other Months

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

This table compares monthly weather conditions in Guelph, showing how June’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-5°C (23°F)	70 mm (2.8 inches)	90%	low
February Weather	-5°C (24°F)	75 mm (2.9 inches)	90%	moderate
March Weather	0°C (32°F)	65 mm (2.5 inches)	87%	moderate
April Weather	6°C (42°F)	103 mm (4.1 inches)	87%	very high
May Weather	13°C (56°F)	97 mm (3.8 inches)	82%	very high
June Weather	19°C (66°F)	105 mm (4.1 inches)	81%	very high
July Weather	22°C (71°F)	77 mm (3.0 inches)	79%	very high
August Weather	20°C (69°F)	95 mm (3.7 inches)	80%	very high
September Weather	17°C (62°F)	71 mm (2.8 inches)	81%	high
October Weather	10°C (50°F)	101 mm (4.0 inches)	84%	moderate
November Weather	2°C (36°F)	78 mm (3.1 inches)	88%	moderate
December Weather	-2°C (29°F)	72 mm (2.8 inches)	87%	low