Weather in Ottawa in March
Ottawa, Canada averages a high of 2.9°C (37.2°F) and low of -6.7°C (19.9°F) in March, with 10 rain days and 8 hours of daily sunshine. Travel score: 49.4/100 (Mixed). The best time to visit Ottawa is August.
High
3°C37°F
Low
-7°C20°F
🌧️
10
rain days
☀️
8
hrs/day sunshine
💧
70%
humidity
49— Mixed
March in Ottawa is cold and occasionally wet — bring heavy winter clothing.
What are the average temperatures in Ottawa?
How much does it rain in Ottawa in March?
Ottawa receives an average of 67.7mm of rainfall across 10 rainy days in March. The annual total is 1003.6mm.
What should I pack for Ottawa in March?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
🧥
Heavy winter coat
Cold weather with highs around 3°C
🩳
Thermal base layers
Stay warm in freezing temperatures
🧤
Warm gloves
Cold nights around -7°C
🧣
Warm scarf
Protect against cold winds
Traveling to Canada in March?
Don't let a public holiday surprise you — restaurants, shops, and attractions may be closed.
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Data based on 1994–2024 averages · Last updated: 2024-12-31