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Bolton Climate by Month

The graphs below provide an overview of the climate in Bolton (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 Bolton

Tue   Nov 05
21°C | 14°C
SW 25 km/h
broken clouds and no rain

broken clouds and no rain

Wed   Nov 06
18°C | 9°C
SW 14 km/h
0.7 mm
partly cloudy and  chance of slight rain

partly cloudy and chance of slight rain

Thu   Nov 07
12°C | 5°C
W 11 km/h
clear and no rain

clear and no rain

The best time of year to visit Bolton in Canada

During the months of May, 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:

  • When is winter in Bolton?
    The coldest season / winter is in the following months: January, February and December.
  • Which is the warmest month in Bolton?
    July has an average maximum temperature of 27°C and is the warmest month of the year.
  • Which is the coldest month in Bolton?
    The coldest month is January with an average maximum temperature of -1°C.
  • Which is the wettest month in Bolton?
    June tops the wettest month list with 93 mm of rainfall.
  • Which is the driest month in Bolton?
    February is the driest month with 59 mm of precipitation.
  • Which is the sunniest month in Bolton?
    July is the sunniest month with an average of 295 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.