August · Canada
Best time to visit Calgary in August Weather, crowds & prices
Weather in Calgary in August
Average temperature 17°C, 53 mm of rain, about 29 days with 6+ hours of sunshine and 64% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
August score
9.4/10
Ranked #2 of 12 months
- Avg temp
- 17°C
- Rainfall
- 53 mm
- Humidity
- 64%
- Days with 6h+ sun
- 29
- Crowd Density
- Peak Tourist Rush
- Average Expenses
- $$$ · Peak Season Rates ($$$)
August in Calgary scores 9.4/10 for sightseeing and cultural travel - one of the top 12-month picks (#2). Expect around 17°C, 53 mm of rain, and roughly 29 days with 6+ hours of sunshine this month.
A compact downtown, Bow River paths, and quick access to the Rockies define Calgary.
August ranks 2nd of 12 for Calgary — one of the best windows
Temperatures hover around 17°C (63°F) — the kind of month where neither heat nor cold forces the schedule.
Budget for roughly 53 mm of rain this month — a flexible day or two helps — with about 29 days with 6+ hours of sunshine and 14.5 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 9.4/10 (2nd of 12), just behind September at 9.8/10.
Pack layers you can shed by midday plus one warm layer for the evening, a packable rain layer.
Budget for peak pricing, and this is one of the busiest months here. You are paying the year's highest rates for the year's best conditions — book early or shift a few weeks either side.
Frequently asked
- What is the weather like in Calgary in August?
- In August, Calgary averages 17°C, 53 mm of rain, and about 29 days with 6+ hours of sunshine. Its climate-comfort score is 9.4/10.
- Is August a good time to visit Calgary?
- August earns a 9.4/10 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 August?
- Expect about 53 mm of rain in August. Average humidity is 64% and there are about 29 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.