Calgary Weather in May
In May, Calgary averages a high of 16°C (61°F) and a low of 3°C (38°F), based on 42 years of historical weather data from CALGARY GLENMORE DAM.
16°C
Average high
61°F
3°C
Average low
38°F
32°C
Record high
90°F · 1986
-11°C
Record low
13°F · 1975
What to Expect in Calgary in May
Typical May days in Calgary reach 16°C (61°F) during the afternoon and cool to around 3°C (38°F) overnight. On average, measurable rain falls on about 35% of days this month. Over the past 42 years, May temperatures in Calgary have ranged from a record high of 32°C (1986) down to a record low of -11°C (1975).
For a day-by-day look or other months, see the full Calgary weather history.