Ottawa Weather in July

The climate in Ottawa during July can be summarized as hot and a little damp.

July is in the summer in Ottawa and is typically the warmest month of the year. Daytime maximum temperatures average around a warm 33°C (91°F), whilst at night 20°C (68°F) is normal.

On average July is the 5th wettest month of the year in Ottawa with around 97mm 3.8 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 7 days, although this may vary considerably.

On the flip side this corresponds to an average of 11.3 hours of sunshine per day.

The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Ottawa in July 2024.