Ottawa weather in August (Ontario, Canada)
What kind of temperatures can you expect in Ottawa during August? Explore our page to find a thorough overview of this month's weather conditions.
Temperatures
Expect perfect weather in Ottawa during August, which means high temperatures and moderate rainfall. August is part of summer. The temperature during the day can rise to approximately 26°C. At night, it falls to around 14°C.
Precipitation
Ottawa in August usually receives moderate rainfall, averaging around 94 mm for the month. Delving into the climate records from the past 30 years, one can predict that nearly 11 days of the month will see rainfall.Average sunshine
There are approximately 251 hours of sunshine this month, meaning plenty of sunny days and a vibrant atmosphere.If you're inclined towards comfortable temperatures and drier conditions, August is a prime time to visit Ottawa. May, August and September typically offer the best circumstances. While January, February, March, November and December tend to showcase less optimal conditions.
For an in-depth look at the yearly conditions, visit our specialized Ottawa climate page with graphs.
Ottawa, monthly averages in August
Min Temperature
14°C
Max Temperature
26°C
Chance of Rain
38%
Precipitation
94 mm
Rainy days
11 days
Humidity
54%
Sunshine
251 hours
Percentage Sunshine
57%
Where to go in Canada in August
Find out more about the weather in Canada and which places have the best travel conditions in this month.
perfect weather
pleasant
tolerable
unpleasant
poor
So, what should you wear in this month?
It's going to be warm! Consider airy clothing, t-shirts, and other summer clothes. Shorts for men made of cotton or linen are good options for staying cool. However, there's a good chance of rain, so bring a raincoat just in case.What To Do
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Interested in more climate information?
This site provides you with all the information you need about the climate in Ottawa.
Our site offers climate and forecast data for every country in the world. Are you going to Canada? On this website you can find 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.
