Thermograph

Weather in Calgary in May

In an average May, Calgary sees a daily high around 18°C and a low around 3°C, based on 1980–2026 of local climate records.

Average high18°C
Typical high range10°C to 25°C
Average low3°C
Typical low range-1°C to 8°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 33°C 1986-05-30
Lowest -1°C 1996-05-08

Low

Highest 15°C 1986-05-31
Lowest -10°C 1982-05-09

Feels-like

Highest 36°C 1986-05-28
Lowest -16°C 2002-05-09

Humidity

Highest 11.8 g/m³ 2020-05-31
Lowest 1.8 g/m³ 1999-05-08

Wind

Highest 42 km/h 2017-05-25
Lowest 7 km/h 1997-05-28

Gust

Highest 85 km/h 2017-05-25
Lowest 18 km/h 2003-05-01

Precip

Wettest 152 mm 1981
Driest 24 mm 1988

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