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Hamilton Climate by Month

The graphs below provide an overview of the climate in Hamilton (Ontario), Canada. They present long-term patterns and averages of weather conditions over a 30-year period.

Average day and night temperature

The mean minimum and maximum temperatures over the year.

Monthly precipitation

The mean monthly precipitation over the year, including rain, snow, hail etc.

Forecast for Hamilton

Sat   Sep 07
17°C | 9°C
NW 14 km/h
broken clouds and no rain

broken clouds and no rain

Sun   Sep 08
20°C | 8°C
W 18 km/h
partly cloudy and no rain

partly cloudy and no rain

Mon   Sep 09
22°C | 12°C
W 11 km/h
4.2 mm
partly cloudy and rain

partly cloudy and rain

The best time of year to visit Hamilton in Canada

During the months of June and September you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.

Other facts from our historical weather data:

  • Which is the warmest month in Hamilton?
    July has an average maximum temperature of 27°C and is the warmest month of the year.
  • Which is the coldest month in Hamilton?
    The coldest month is January with an average maximum temperature of 1°C.
  • Which is the wettest month in Hamilton?
    April tops the wettest month list with 98 mm of rainfall.
  • Which is the driest month in Hamilton?
    February is the driest month with 66 mm of precipitation.
  • Which is the sunniest month in Hamilton?
    July is the sunniest month with an average of 305 hours of sunshine.

  • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.