Quebec City weather in August
August in Quebec City: warm, rainy, with clean air — one of the best months to visit.
#1 of 12 months in Quebec City · #81 of 604 destinations to visit in August · comfort 90/100 (tier S)
Updated June 2026 · climate normals from ERA5 reanalysis
Quebec City climate normals — August
| Daytime high | 24°C / 75°F | 🌤 warm |
|---|---|---|
| Nighttime low | 16°C / 60°F | |
| Feels like (high) | 25°C / 77°F | |
| Rainfall | 136 mm / 5.4 in | 🌧 rainy |
| Rainy days | 13 days | |
| Humidity | 80% | 💦 very humid |
| Dew point | 15°C / 59°F | |
| Sunshine | 10.2 h/day | |
| Daylight | 14.2 h | |
| Wind | 14 km/h / 9 mph | |
| Air quality (US AQI) | 46 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Quebec City in August — FAQ
- Is August a good time to visit Quebec City?
- August in Quebec City: warm, rainy, with clean air — one of the best months to visit. It ranks #1 of 12 months for Quebec City on SeasonMap's comfort score (90/100).
- What is the weather like in Quebec City in August?
- In August, Quebec City averages a daily high of 23.7°C and a low of 15.6°C, with about 136.2 mm of rain over roughly 13.2 rainy days.
- What is the air quality in Quebec City in August?
- Quebec City has a mean US Air Quality Index of about 46 in August.