Weather in Oshawa in December
Oshawa, Canada averages a high of 2°C (35.6°F) and low of -3.5°C (25.7°F) in December, with 11 rain days and 4.7 hours of daily sunshine. Travel score: 40.1/100 (Mixed). The best time to visit Oshawa is August.
High
2°C36°F
Low
-3°C26°F
🌧️
11
rain days
☀️
4.7
hrs/day sunshine
💧
76%
humidity
40— Mixed
December in Oshawa is cold and occasionally wet — bring heavy winter clothing.
What are the average temperatures in Oshawa?
How much does it rain in Oshawa in December?
Oshawa receives an average of 70.1mm of rainfall across 11 rainy days in December. The annual total is 872.6mm.
What should I pack for Oshawa in December?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
🧥
Heavy winter coat
Cold weather with highs around 2°C
🩳
Thermal base layers
Stay warm in freezing temperatures
🧤
Warm gloves
Cold nights around -3°C
🧣
Warm scarf
Protect against cold winds
Traveling to Canada in December?
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