About Ottawa, 08's Climate & Weather History

With a population of around 1.0 million, Ottawa sits in Ontario, Canada. The city operates in the Eastern Time Zone.

In 2025, Ottawa recorded an average annual temperature of 44°F. The hottest temperatures reached 94°F in July; the coolest were -10°F in February. Total precipitation for the year was 36 inches, with the wettest month being July. Snowfall for the year totaled approximately 25 inches.