Ontario weather in December 2024
Expect 0°C daytime maximum temperatures in the shade with on average 2 hours of sunshine per day in Ontario in December. Check more long-term weather averages for Ontario in December before you book your next holiday to Ontario in 2024/2025.
- 00°C max day temperature
- 2 hours of sunshine per day
- 1313 days with some rainfall
- -6-6°C min night temperature
- 99 hours of daylight per day
- 0No heat & humidity
- 7272 mm of monthly rainfall
- 11 (Low) UV index
- 55°C sea temperature
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