Weather in Calgary in May
In an average May, Calgary sees a daily high around 17°C and a low around 3°C, based on 1980–2026 of local climate records.
| Average high | 17°C |
|---|---|
| Typical high range | 10°C to 25°C |
| Average low | 3°C |
| Typical low range | -1°C to 8°C |
| Average daily precipitation | 3 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
12.2 g/m³
2026-05-28
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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