Hamilton weather in March
March in Hamilton: nice, rainy, with clean air — a great time to visit.
#8 of 12 months in Hamilton · #370 of 604 destinations to visit in March · comfort 71/100 (tier B)
Updated June 2026 · climate normals from ERA5 reanalysis
Hamilton climate normals — March
| Daytime high | 20°C / 67°F | 😎 nice |
|---|---|---|
| Nighttime low | 18°C / 64°F | |
| Feels like (high) | 18°C / 64°F | |
| Rainfall | 113 mm / 4.4 in | 🌧 rainy |
| Rainy days | 12 days | |
| Humidity | 73% | 💧 humid |
| Dew point | 14°C / 56°F | |
| Sunshine | 8.9 h/day | |
| Daylight | 12 h | |
| Wind | 36 km/h / 23 mph | |
| Air quality (US AQI) | 50 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Hamilton in March — FAQ
- Is March a good time to visit Hamilton?
- March in Hamilton: nice, rainy, with clean air — a great time to visit. It ranks #8 of 12 months for Hamilton on SeasonMap's comfort score (71/100).
- What is the weather like in Hamilton in March?
- In March, Hamilton averages a daily high of 19.5°C and a low of 17.7°C, with about 112.9 mm of rain over roughly 12.4 rainy days.
- What is the air quality in Hamilton in March?
- Hamilton has a mean US Air Quality Index of about 50 in March.