Weather in Ottawa in December
Ottawa, Canada averages a high of -0.8°C (30.6°F) and low of -7.5°C (18.5°F) in December, with 11 rain days and 4.2 hours of daily sunshine. Travel score: 34/100 (Poor). The best time to visit Ottawa is August.
High
-1°C31°F
Low
-7°C19°F
🌧️
11
rain days
☀️
4.2
hrs/day sunshine
💧
79%
humidity
34— Poor
December in Ottawa is freezing and occasionally wet — challenging weather conditions.
What are the average temperatures in Ottawa?
How much does it rain in Ottawa in December?
Ottawa receives an average of 81.3mm of rainfall across 11 rainy days in December. The annual total is 1003.6mm.
What should I pack for Ottawa in December?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
🧥
Heavy winter coat
Cold weather with highs around -1°C
🩳
Thermal base layers
Stay warm in freezing temperatures
🧤
Warm gloves
Cold nights around -7°C
🧣
Warm scarf
Protect against cold winds
🎉Visiting Canada in December?
Don't miss any public holidays — check before you book!
Compare Ottawa
Popular comparisons:
How can I plan my trip to Ottawa?
What other cities are near Ottawa?
What are other popular cities in Canada?
What is the weather like in other months in Ottawa?
Data based on 1994–2024 averages · Last updated: 2024-12-31