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Ontario climate

Climate normals for 86 cities in Ontario — find your city, or get the regional gist.

Across the 86 cities we cover in Ontario, annual averages run 35–51°F. Annual precipitation ranges 26.8–47.0 in across those cities. The region spans 3 Köppen zones (Dfb · Cfa · Dfa).

Based on 1991–2020 climate normals for 86 cities. Figures are the spread across the cities we cover, not an area-weighted regional average.

Largest cities in Ontario

The most populous cities — most visitors want one of these. Tap a name for month-by-month detail.

Find a city in Ontario

Search 86 cities by name.