CanadaCountries Canada Ontario August Precipitation
CanadaCanada Ontario
Ontario Canada
Precipitation in August
Climate ▸Forecast ▸August ▸September ▸
JanuaryFebruaryMarchAprilMayJuneJulyAugustSeptemberOctoberNovemberDecember

August Rainfall Precipitation in Ontario

Ontario is a region in Canada. In August precipitation ranges from moderate in Niagara on the Lake with 47 mm of rainfall to high in Otter Lake with 113 mm of rainfall. August is a summer month in Ontario. It is the driest month of the year.

Where and how much does it rain in Ontario in August?

Find the average total precipitation in August for the most popular destinations in Ontario on the map below. Click on a destination dot for more detailed information.

Weather conditions Weather
Temperatures
Precipitation
Map not visible? Whoops sorry! Please refresh the page.
Legend heavy rainfall high moderate low almost none
Heavy rainfall has been defined as more than 160 mm precipitation. High: 90 mm to 160 mm. Moderate: 30 mm to 90 mm. Low: 5 mm to 30 mm.

  • How much rainfall does Ontario receive in August?
    • During August, Toronto often sees a mix of wet and dry days, with an average rainfall of around 68 mm. Going by our weather data, this month in usually has the least rain, making it the driest month of the year.

  • What is the wettest city in August in Ontario?
    • In our records, Otter Lake stands out as having an average precipitation level of 113 mm, making it the wettest location.

  • What is the driest city in August in Ontario?
    • Our figures indicate that Niagara on the Lake receives the least rainfall, averaging just 47 mm.

    Interested in more climate information?

    We have much more information about the climate in Ontario. Interested in the weather conditions in a specific month? Select the month below.

  • January      
  • February      
  • March      
  • April      
  • May      
  • June      
  • July      
  • August      
  • September      
  • October      
  • November      
  • December      

    • Weather and climate has detailed information for every country in the world. Are you going to Canada? Get detailed historical weather averages for many cities in Canada.

    Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.