Hamilton weather in April

April in Hamilton: nice, rainy, with clean air — an excellent time to visit.

#3 of 12 months in Hamilton · #280 of 604 destinations to visit in April · comfort 80/100 (tier A)

Updated June 2026 · climate normals from ERA5 reanalysis

Hamilton climate normals — April

Daytime high20°C / 69°F😎 nice
Nighttime low19°C / 65°F
Feels like (high)19°C / 66°F
Rainfall80 mm / 3.1 in🌧 rainy
Rainy days11 days
Humidity76%💦 very humid
Dew point15°C / 59°F
Sunshine10.5 h/day
Daylight13 h
Wind34 km/h / 21 mph
Air quality (US AQI)49🍃 good

Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.

Where is Hamilton?

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Hamilton in April — FAQ

Is April a good time to visit Hamilton?
April in Hamilton: nice, rainy, with clean air — an excellent time to visit. It ranks #3 of 12 months for Hamilton on SeasonMap's comfort score (80/100).
What is the weather like in Hamilton in April?
In April, Hamilton averages a daily high of 20.3°C and a low of 18.5°C, with about 80 mm of rain over roughly 11.4 rainy days.
What is the air quality in Hamilton in April?
Hamilton has a mean US Air Quality Index of about 49 in April.

Other months in Hamilton

Warmer or cooler than Hamilton in April