Ottawa Weather
Current conditions, 7-day forecast, activity ratings, and what to wear in Ottawa, Ontario. Ottawa has a humid continental climate with cold, snowy winters and warm, humid summers across four distinct seasons.
Monthly Weather Guides
Climate averages, activities, and what to wear for each month in Ottawa
Ottawa Climate Overview
Ottawa has a humid continental climate (Köppen Dfb) with four distinct seasons. The city experiences warm, humid summers and cold, snowy winters. Located at the confluence of the Ottawa, Gatineau, and Rideau rivers, the city sees significant temperature variations throughout the year — from -30°C wind chills in January to 35°C+ humidex values in July.
Winter
Dec–Feb: -6°C to -14°C. 220 cm snow annually. Rideau Canal skating season.
Spring
Mar–May: 3°C to 18°C. Tulip Festival in May. Rapid warming with occasional frost.
Summer
Jun–Aug: 20°C to 27°C. Humid with thunderstorms. Peak tourism season.
Fall
Sep–Nov: 5°C to 18°C. Beautiful fall foliage. First snow typically in November.
Ottawa Weather Records
Record High
37.8°C
August 4, 1944
Record Low
-38.9°C
December 29, 1933
Annual Snowfall
220 cm
Average per year
Sunshine
2,061 hrs
Average per year
Data source: Open-Meteo Weather API
Weather data is updated hourly. Climate normals based on Environment Canada data (1991–2020).
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Upcoming Events This Week
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Come to the Jackson Café to discover two large murals, featuring the digital artwork of Eric Chan (aka eepmon)! In Futur…
Visions and Views
The Firestone Collection of Canadian Art is a significant art collection that spans the modern period and includes work…
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Every Friday and Saturday evening Hard Rock Cafe has FREE live concerts starting at 9:30PM
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