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Alliston
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Alliston Climate by Month

The graphs below provide an overview of the climate in Alliston (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 hours of sunshine

The average monthly total hours of sunshine over the year
* Data from: Mississauga, Canada (65 KM, 40 Miles).

Daily percent of sunshine

The mean percent of hours of sunhours during the day over the year
* Data from: Mississauga, Canada (65 KM, 40 Miles).

Monthly precipitation

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

Monthly rainy days

The average number of days each month with rain, snow, hail etc.

Average humidity

The mean monthly relative humidity over the year
* Data from: Mississauga, Canada (65 KM, 40 Miles).

Forecast for Alliston

Tue   Nov 05
21°C | 15°C
SW 22 km/h
broken clouds and no rain

broken clouds and no rain

hourly forecast
Wed   Nov 06
19°C | 9°C
W 14 km/h
2.5 mm
partly cloudy and chance of rain

partly cloudy and chance of rain

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

almost clear and no rain

hourly forecast
5-Day Forecast 10-Day Forecast

The best time of year to visit Alliston in Canada

During the months of June, August 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 Alliston?
    The coldest season / winter is in the following months: January, February and December.
  • Which is the warmest month in Alliston?
    July has an average maximum temperature of 27°C and is the warmest month of the year.
  • Which is the coldest month in Alliston?
    The coldest month is January with an average maximum temperature of -1°C.
  • Which is the wettest month in Alliston?
    June tops the wettest month list with 94 mm of rainfall.
  • Which is the driest month in Alliston?
    February is the driest month with 60 mm of precipitation.
  • Which is the sunniest month in Alliston?
    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.

     

     


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