Hamilton weather in July
July in Hamilton: hot, rainy, with clean air — one of the best months to visit.
#2 of 12 months in Hamilton · #233 of 604 destinations to visit in July · comfort 83/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
Hamilton climate normals — July
| Daytime high | 27°C / 80°F | 🥵 hot |
|---|---|---|
| Nighttime low | 26°C / 78°F | |
| Feels like (high) | 31°C / 88°F | |
| Rainfall | 92 mm / 3.6 in | 🌧 rainy |
| Rainy days | 15 days | |
| Humidity | 82% | 💦 very humid |
| Dew point | 23°C / 73°F | |
| Sunshine | 12.2 h/day | |
| Daylight | 14 h | |
| Wind | 23 km/h / 14 mph | |
| Air quality (US AQI) | 37 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Hamilton in July — FAQ
- Is July a good time to visit Hamilton?
- July in Hamilton: hot, rainy, with clean air — one of the best months to visit. It ranks #2 of 12 months for Hamilton on SeasonMap's comfort score (83/100).
- What is the weather like in Hamilton in July?
- In July, Hamilton averages a daily high of 26.8°C and a low of 25.5°C, with about 91.9 mm of rain over roughly 14.6 rainy days.
- What is the air quality in Hamilton in July?
- Hamilton has a mean US Air Quality Index of about 37 in July.