Thermograph

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

Weather in Hamilton, Ontario, Canada in May

In an average May, Hamilton sees a daily high around 19°C and a low around 6°C, based on 1981–2026 of local climate records.

Average high19°C
Typical high range12°C to 26°C
Average low6°C
Typical low range1°C to 12°C
Average daily precipitation3 mm

May records

The most extreme May on record for each metric, across 1981–2026. For rainfall, the wettest and driest are by total May accumulation.

High

Highest 33°C 1988-05-31
Lowest 5°C 2020-05-08

Low

Highest 20°C 2006-05-31
Lowest -4°C 1986-05-03

Feels-like

Highest 42°C 2012-05-28
Lowest -13°C 1986-05-03

Humidity

Highest 18.3 g/m³ 1991-05-29
Lowest 3.2 g/m³ 2020-05-08

Wind

Highest 66 km/h 2018-05-04
Lowest 6 km/h 2012-05-19

Precip

Wettest 164 mm 2000
Driest 28 mm 2021

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