Weather in Ajax in December
Ajax, Canada averages a high of 2°C (35.6°F) and low of -3.6°C (25.5°F) in December, with 11 rain days and 4.7 hours of daily sunshine. Travel score: 39.9/100 (Poor). The best time to visit Ajax is August.
High
2°C36°F
Low
-4°C26°F
🌧️
11
rain days
☀️
4.7
hrs/day sunshine
💧
77%
humidity
40— Poor
December in Ajax is cold and occasionally wet — challenging weather conditions.
What are the average temperatures in Ajax?
How much does it rain in Ajax in December?
Ajax receives an average of 67.1mm of rainfall across 11 rainy days in December. The annual total is 878.8mm.
What should I pack for Ajax 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 -4°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