Montreal weather in July
July in Montreal: warm, rainy — an excellent time to visit.
#5 of 12 months in Montreal · #277 of 604 destinations to visit in July · comfort 80/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
Montreal climate normals — July
| Daytime high | 26°C / 78°F | 🌤 warm |
|---|---|---|
| Nighttime low | 17°C / 63°F | |
| Feels like (high) | 26°C / 79°F | |
| Rainfall | 109 mm / 4.3 in | 🌧 rainy |
| Rainy days | 13 days | |
| Humidity | 74% | 💧 humid |
| Dew point | 16°C / 60°F | |
| Sunshine | 11.8 h/day | |
| Daylight | 15.3 h | |
| Wind | 17 km/h / 10 mph | |
| Air quality (US AQI) | 58 | 🙂 moderate |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Montreal in July — FAQ
- Is July a good time to visit Montreal?
- July in Montreal: warm, rainy — an excellent time to visit. It ranks #5 of 12 months for Montreal on SeasonMap's comfort score (80/100).
- What is the weather like in Montreal in July?
- In July, Montreal averages a daily high of 25.6°C and a low of 17.3°C, with about 108.8 mm of rain over roughly 13.2 rainy days.
- What is the air quality in Montreal in July?
- Montreal has a mean US Air Quality Index of about 58 in July.