World Resorts Canada Calgary Weather

Calgary weather in May

Weather in Calgary: May

Average day temperature: 58.2°F
Average night temperature: 43.6°F
Number of sunny days: 14 days
Day length: 14.8 - 16.2 hours
Number of rainy days: 3 days
Precipitation totals: 2.3 in.

Air temperature in May, °F

Show year:
2025
2024
2023

The highest day temperature during May of 2025 was 84°F. At the same time the lowest night temperature was 37°F. Daily and nightly averages during May were 63.2°F and 45.8°F.

Sunny, partly cloudy and cloudy days

Number of sunny, partly cloudy and cloudy days in May is almost equal.

Precipitation total in May, in.

Precipitation total value in Calgary in May is 2.4 in. Other months of the year show relatively similar values.

Wind speed in May, mph

The average wind speed value in May is 8.4 mph It makes May most windy month 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: 8.8.

Best time for vacation in Calgary

Sunniest months:
August 19 days
July 19 days
September 17 days
Warmest months:
August 72.9 °F
July 72.6 °F
June 65.4 °F
Coldest months:
February 21.7 °F
December 22.1 °F
January 22.3 °F
Rainiest months:
June 6 days
July 4 days
August 3 days
Windiest months:
April 8.4 mph
May 8.4 mph
June 8.1 mph

Calgary on a weather map

Calgary
+32°F
SE 4 mph
Feels like: +23°F
Precip.: 100%
Places in Canada:
Name
°F
+41°F
+45°F
+12°F
+12°F
-8°F
+7°F
-2°F
+3°F
+12°F
-6°F
+25°F
+36°F
+21°F
+16°F
24 Hours Forecast
Calgary
Local time: 03:05
December 05, friday
0600
28°F
SW
2 mph
0900
23°F
W
4 mph
1200
21°F
NW
7 mph
1500
21°F
NW
8 mph
1800
18°F
W
7 mph
2100
14°F
NW
8 mph
December 06, saturday
0000
12°F
NW
6 mph
0300
12°F
NW
7 mph
Units of measurement: °C / °F