Weather in Calgary in May
May in Calgary is cool with average temperatures around 8.5°C (47.3°F). Moderate rainfall of 74mm spread over 12 days.
Data Note: Temperature values are 2001–2020 satellite/reanalysis grid averages from NASA POWER and may differ from airport station normals by a few degrees.
Temperature
High
14.9°C
58.8°F
Low
2.0°C
35.6°F
Precipitation
74 mm
2.9 inches
~12 rainy days
Conditions
Humidity
64%
Comparison to Adjacent Months
May is 5.7°C warmer than April, 28mm wetter than April.
May is 3.9°C cooler than June, 41mm drier than June.