Thermograph

How unusual is the weather? Graded against ~45 years of local climate history.

Weather in Markham in July

In an average July, Markham sees a daily high around 24°C and a low around 19°C, based on 1980–2026 of local climate records.

Average high24°C
Typical high range21°C to 27°C
Average low19°C
Typical low range16°C to 22°C
Average daily precipitation3 mm

July records

The most extreme July on record for each metric, across 1980–2026. For rainfall, the wettest and driest are by total July accumulation.

High

Highest 33°C 2026-07-14
Lowest 17°C 1992-07-02

Low

Highest 26°C 2012-07-17
Lowest 12°C 2001-07-02

Feels-like

Highest 47°C 2026-07-01
Lowest 12°C 2001-07-02

Humidity

Highest 22.7 g/m³ 2026-07-01
Lowest 7.1 g/m³ 2001-07-02

Wind

Highest 41 km/h 1981-07-28
Lowest 8 km/h 1988-07-22

Gust

Highest 72 km/h 2004-07-31
Lowest 15 km/h 2011-07-08

Precip

Wettest 157 mm 1992
Driest 16 mm 1989

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