June Weather in Toronto, United States

Last updated: June 24, 2025

In Toronto, United States, the average temperature in June hovers around 21°C (70°F). Expect a range with minimum temperatures dipping to 6°C (43°F) and maximums soaring to 33°C (92°F). Be prepared for 131 mm (5.2 in) of precipitation spread over 16 days, contributing to an average humidity of 83%.

June Temperature in Toronto

In June in Toronto, the average temperature is 21°C (70°F), with maximums reaching up to 33°C (92°F) and minimums dropping as low as 6°C (43°F). This weather makes Toronto an ideal destination for travelers seeking pleasant temperatures and a variety of outdoor activities.

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

The chart illustrates June temperature patterns in Toronto, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Toronto, June typically has an average temperature of 21°C (70°F), with highs reaching up to 33°C (92°F) and lows dropping to around 6°C (43°F).

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

June Precipitation in Toronto

In Toronto in June, the precipitation amount is 131 mm (5.2 in) during 16 days, indicating a relatively wet period for the region.

June Precipitation Trends in Toronto

The chart displays monthly precipitation patterns in Toronto, 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 Toronto, June typically receives around 131 mm (5.2 inches) of precipitation spread over approximately 16 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

June Humidity in Toronto

In Toronto in June humidity is 83%. With an average temperature of 21°C (70°F), this humidity feels like you’re enveloped in a warm, tropical embrace, making it essential to stay hydrated and take breaks during your travels.

June Average Humidity in Toronto

This chart illustrates the average monthly humidity levels in Toronto, 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 Toronto is approximately 83%, 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 Toronto

In Toronto 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 Toronto.

Maximum UV Index Levels in Toronto for June

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

Data source: Toronto 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 Toronto Compares to Other Months

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

This table compares monthly weather conditions in Toronto, showing how June’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-1°C (31°F)	90 mm (3.6 inches)	88%	moderate
February Weather	1°C (35°F)	115 mm (4.5 inches)	88%	moderate
March Weather	5°C (41°F)	103 mm (4.0 inches)	87%	high
April Weather	11°C (51°F)	130 mm (5.1 inches)	87%	very high
May Weather	17°C (62°F)	134 mm (5.3 inches)	81%	very high
June Weather	21°C (70°F)	131 mm (5.2 inches)	83%	very high
July Weather	24°C (75°F)	134 mm (5.3 inches)	82%	very high
August Weather	23°C (73°F)	89 mm (3.5 inches)	76%	very high
September Weather	20°C (68°F)	120 mm (4.7 inches)	77%	very high
October Weather	14°C (57°F)	120 mm (4.7 inches)	82%	high
November Weather	5°C (42°F)	92 mm (3.6 inches)	89%	moderate
December Weather	2°C (36°F)	99 mm (3.9 inches)	86%	low