World Resorts Canada Calgary Weather

Calgary weather in May

Weather in Calgary: May

Average day temperature: 58.6°F
Average night temperature: 43.8°F
Number of sunny days: 15 days
Day length: 14.8 - 16.2 hours
Number of rainy days: 3 days
Precipitation totals: 2.2 in.

Air temperature in May, °F

Show year:
2026
2025
2024

The highest day temperature during May of 2026 was 80°F. At the same time the lowest night temperature was 32°F. Daily and nightly averages during May were 64.1°F and 47.4°F.

Sunny, partly cloudy and cloudy days

Mostly all days in May are sunny but cloudy days are also possible.

Precipitation total in May, in.

Precipitation total value in Calgary in May is 2.2 in. Other months of the year show relatively similar values.

Wind speed in May, mph

The average wind speed value in May is 8.3 mph It makes May one of the most windy months of the year.

Average sunny hours

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in May is: 9.6.

Best time for vacation in Calgary

Sunniest months:
July 20 days
August 19 days
October 17 days
Warmest months:
July 73.1 °F
August 72.8 °F
June 65.2 °F
Coldest months:
December 22.3 °F
February 22.5 °F
January 23.0 °F
Rainiest months:
June 6 days
July 4 days
August 3 days
Windiest months:
April 8.4 mph
May 8.4 mph
June 8.3 mph

Calgary on a weather map

Calgary
+30°F
NW 9 mph
Feels like: +21°F
Precip.: 28%
Places in Canada:
Name
°F
+50°F
+48°F
+34°F
+46°F
+45°F
+48°F
+50°F
+45°F
+55°F
+46°F
+41°F
+48°F
+48°F
+57°F
24 Hours Forecast
Calgary
Local time: 18:49
October 25, sunday
2100
28°F
NW
8 mph
October 26, monday
0000
28°F
NW
7 mph
0300
27°F
NW
7 mph
0600
27°F
N
6 mph
0900
25°F
N
6 mph
1200
32°F
NW
7 mph
1500
36°F
NW
7 mph
1800
34°F
NW
4 mph
Units of measurement: °C / °F