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.
Best Birthday Party Venues for Elementary Kids in Ottawa (Ages 5-12)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).
Today's Events in Ottawa
EEPMON
Come to the Jackson Café to discover two large murals, featuring the digital artwork of Eric Chan (aka eepmon)! In Futur…
Hard Rock Cafe Ottawa Live Performances
Every Friday and Saturday evening Hard Rock Cafe has FREE live concerts starting at 9:30PM
Ottawa Farmers' Market
From the heart of the land to the heart of the city ? welcome to our Winter Farmers' Market season! Join 75+ local vendo…
Barrio del Sabor (Latin Dance Sundays)
A free weekly Latin dance night at Barrio Ottawa with a beginner/intermediate lesson at 7:00 PM and a social dance party…
English Conversation Group / Groupe de conversation en angla…
Join our free English Conversation Group to practice speaking in English in a relaxed and friendly environment. All leve…
Stittsville Cozy Crafters
Got a portable craft project? Bring it along and chat with some fellow crafters while you work! Share your expertise if…
Upcoming Events This Week
EEPMON
Come to the Jackson Café to discover two large murals, featuring the digital artwork of Eric Chan (aka eepmon)! In Futur…
Trivia Tuesdays at The Barley Mow
Test your knowledge every Tuesday night at The Barley Mow! Grab your smartest friends (or the funniest ones) for trivia…
Toddler Tuesdays at National Arts Centre
Interactive performing arts program for children aged 18 months - 5 years. Singing, dancing, games, story time and creat…
Hard Rock Cafe Ottawa Live Performances
Every Friday and Saturday evening Hard Rock Cafe has FREE live concerts starting at 9:30PM
Canadian War Museum - Free Thursday Evenings
Free museum admission every Thursday evening with special exhibitions on Canadian military history. Reservations require…
