Thermograph

Weather in Markham in May

In an average May, Markham sees a daily high around 18°C and a low around 8°C, based on 1980–2026 of local climate records.

Average high18°C
Typical high range12°C to 26°C
Average low8°C
Typical low range2°C to 13°C
Average daily precipitation3 mm

May records

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

High

Highest 34°C 2006-05-29
Lowest 4°C 2020-05-09

Low

Highest 24°C 2012-05-29
Lowest -3°C 2020-05-09

Feels-like

Highest 45°C 2006-05-29
Lowest -11°C 2020-05-09

Humidity

Highest 17.6 g/m³ 1991-05-30
Lowest 2.9 g/m³ 1986-05-03

Wind

Highest 40 km/h 2018-05-04
Lowest 7 km/h 1988-05-22

Gust

Highest 92 km/h 2009-05-14
Lowest 17 km/h 1990-05-28

Precip

Wettest 166 mm 2017
Driest 34 mm 2012

See Markham's live weather grade →

Visiting Markham in May? See how its comfort stacks up against where you live.

Compare Markham with your city →

‹ April · Markham climate overview · June ›