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.
Climate averages, activities, and what to wear for each month in Ottawa
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.
Dec–Feb: -6°C to -14°C. 220 cm snow annually. Rideau Canal skating season.
Mar–May: 3°C to 18°C. Tulip Festival in May. Rapid warming with occasional frost.
Jun–Aug: 20°C to 27°C. Humid with thunderstorms. Peak tourism season.
Sep–Nov: 5°C to 18°C. Beautiful fall foliage. First snow typically in November.
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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The Qikiqtait exhibition in the Polar Knowledge Canada Northern Voices Gallery celebrates Inuit knowledge and innovation from the Arctic Eider Society in Sanikiluaq. The Power of Knowledge, Innovat...
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Interactive performing arts program for children aged 18 months - 5 years. Singing, dancing, games, story time and creative play with instructor Jesse Kahat.
Every Friday and Saturday evening Hard Rock Cafe has FREE live concerts starting at 9:30PM
Sylvia Safdie: TERRA examines the decades-long career of Montreal-based artist Sylvia Safdie through a selection of her paintings, sculpture and videos. Gallery: B107, B109, Contemporary Galleries
