June Weather in Markham, Canada

Last updated: June 18, 2025

In June, the average temperature in Markham, Canada hovers around 16°C (62°F), with minimums dipping to 6°C (44°F) and maximums soaring up to 25°C (78°F). Expect a precipitation total of 80 mm (3.1 in) over approximately 9 days, contributing to an average humidity level of 79%.

June Temperature in Markham

In June in Markham, the average temperature is 16°C (62°F). Maximums can reach 25°C (78°F) and minimums can be as low as 6°C (44°F). It's a great time to explore Markham, as the mild weather offers comfortable conditions for outdoor activities and sightseeing.

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

The chart illustrates June temperature patterns in Markham, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Markham, June typically has an average temperature of 16°C (62°F), with highs reaching up to 25°C (78°F) and lows dropping to around 6°C (44°F).

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

June Precipitation in Markham

In Markham in June, the precipitation amount is 80 mm (3.1 in) spread over 9 days.

June Precipitation Trends in Markham

The chart displays monthly precipitation patterns in Markham, 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 Markham, June typically receives around 80 mm (3.1 inches) of precipitation spread over approximately 9 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 Markham

In Markham in June, humidity is 79%. With an average temperature of 16°C (62°F), this humidity feels like a warm, enveloping blanket that makes walking outdoors feel languid and heavy, demanding frequent breaks and plenty of water as you navigate the bustling streets.

June Average Humidity in Markham

This chart illustrates the average monthly humidity levels in Markham, 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 Markham is approximately 79%, 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 Markham

In Markham in June, 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 Markham.

Maximum UV Index Levels in Markham for June

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

Data source: Markham 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 Markham Compares to Other Months

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

This table compares monthly weather conditions in Markham, showing how June’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-3°C (27°F)	80 mm (3.2 inches)	91%	low
February Weather	-3°C (28°F)	83 mm (3.3 inches)	91%	moderate
March Weather	0°C (33°F)	75 mm (2.9 inches)	88%	moderate
April Weather	5°C (41°F)	118 mm (4.6 inches)	88%	very high
May Weather	10°C (50°F)	103 mm (4.1 inches)	82%	very high
June Weather	16°C (62°F)	80 mm (3.1 inches)	79%	very high
July Weather	21°C (71°F)	73 mm (2.9 inches)	77%	very high
August Weather	21°C (71°F)	76 mm (3.0 inches)	72%	very high
September Weather	18°C (65°F)	69 mm (2.7 inches)	76%	high
October Weather	12°C (54°F)	115 mm (4.5 inches)	83%	moderate
November Weather	4°C (40°F)	96 mm (3.8 inches)	88%	moderate
December Weather	0°C (33°F)	91 mm (3.6 inches)	87%	low