July Weather in Markham, Canada

Last updated: June 18, 2025

In July, the average temperature in Markham, Canada is a pleasant 21°C (71°F), with a comfortable minimum of 15°C (59°F) and a warm maximum of 28°C (83°F). Expect about 73 mm (2.9 in) of precipitation spread over 11 days, and don't forget to brace for an average humidity level of 77%.

July Temperature in Markham

In July in Markham, the average temperature is 21°C (71°F). The maximum can reach 28°C (83°F), while the minimum can be as low as 15°C (59°F). This mild weather makes it an ideal time for outdoor activities and exploring the local attractions.

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

The chart illustrates July 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, July typically has an average temperature of 21°C (71°F), with highs reaching up to 28°C (83°F) and lows dropping to around 15°C (59°F).

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

July Precipitation in Markham

In Markham in July, the precipitation amount is 73 mm (2.9 in), spread over 11 days.

July Precipitation Trends in Markham

The chart displays monthly precipitation patterns in Markham, with values for each month alongside July’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how July’s conditions compare to those of other months. In Markham, July typically receives around 73 mm (2.9 inches) of precipitation spread over approximately 11 days.

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

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Millimeters (mm) Inches (in)

July Humidity in Markham

In Markham in July, humidity is 77%. With an average temperature of 21°C (71°F), this humidity feels like a warm embrace that envelops you, making it both refreshing and slightly heavy, which can be a bit tiring for traveling.

July Average Humidity in Markham

This chart illustrates the average monthly humidity levels in Markham, with July’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In July, average humidity in Markham is approximately 77%, offering insight into how humid the weather typically is during this month.

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

July UV Index in Markham

In Markham in July, 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 July

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

Data source: Markham July 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 July 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 July’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 July’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