May · Canada
Best time to visit Calgary in May Weather, crowds & prices
Weather in Calgary in May
Average temperature 11°C, 54 mm of rain, about 28 days with 6+ hours of sunshine and 56% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
May score
8.7/10
Ranked #4 of 12 months
- Avg temp
- 11°C
- Rainfall
- 54 mm
- Humidity
- 56%
- Days with 6h+ sun
- 28
- Crowd Density
- Moderate Crowds
- Average Expenses
- $$ · Moderate Cost ($$)
May in Calgary scores 8.7/10 for sightseeing and cultural travel - an above-average month (#4 of 12). Expect around 11°C, 54 mm of rain, and roughly 28 days with 6+ hours of sunshine this month.
A compact downtown, Bow River paths, and quick access to the Rockies define Calgary.
May in Calgary — one of the year's strongest windows (4th)
Expect 11°C (51°F) in May. A good month for city streets, viewpoints and long meals; leave swimming for another season.
Budget for roughly 54 mm of rain this month — a flexible day or two helps — with about 28 days with 6+ hours of sunshine and 15.6 hours of daylight to work around it.
On our climate-comfort scale this is one of the strongest months of the year for Calgary at 8.7/10 (4th of 12), just behind September at 9.8/10.
Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in, a packable rain layer.
Budget for mid-season pricing, and crowds are moderate.
Frequently asked
- What is the weather like in Calgary in May?
- In May, Calgary averages 11°C, 54 mm of rain, and about 28 days with 6+ hours of sunshine. Its climate-comfort score is 8.7/10.
- Is May a good time to visit Calgary?
- May earns a 8.7/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Calgary in May?
- Expect about 54 mm of rain in May. Average humidity is 56% and there are about 28 days with 6+ hours of sunshine.
Curated in Calgary
Tickets & experiences
Things to do in Calgary
Calgary, Canada. Live activities and tours from GetYourGuide, matched to this destination.