Thermograph

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

Weather in Toronto in May

In an average May, Toronto sees a daily high around 15°C and a low around 8°C, based on 1980–2026 of local climate records.

Average high15°C
Typical high range11°C to 21°C
Average low8°C
Typical low range3°C to 12°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 29°C 2012-05-28
Lowest 4°C 1989-05-07

Low

Highest 20°C 2012-05-29
Lowest -1°C 2005-05-04

Feels-like

Highest 32°C 2006-05-29
Lowest -6°C 2020-05-09

Humidity

Highest 17.4 g/m³ 2006-05-30
Lowest 2.7 g/m³ 2020-05-08

Wind

Highest 50 km/h 2018-05-04
Lowest 7 km/h 2007-05-18

Gust

Highest 97 km/h 2018-05-04
Lowest 18 km/h 1986-05-22

Precip

Wettest 145 mm 2017
Driest 21 mm 2012

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