Hamilton climate

Typical historical weather for Hamilton, United States, averaged across 10 years of hourly climate data. Pick a date for a specific day.

Want today's actual conditions instead? See the current forecast for Hamilton.

Annual average

12.4°C

across all months

Warmest month

30.4°C

Jul average high

Coolest month

-6.8°C

Jan average low

Annual rainfall

983mm

total per year

Monthly averages

Average daily high/low temperature (band) and monthly rainfall (bars).

● Avg high● Avg low▮ Rainfall

Records on file

Hottest day

38.6°C

5 July 2022

Coldest day

-29.9°C

31 January 2019

Wettest day

81.6mm

5 August 2023

Windiest day

8.6m/s

26 November 2025