Toronto in December
Find out everything about the water temperature in Toronto in December. Average, minimum and maximum recorded temperatures as well as daily temperature in December for the last two years. Compare the current month's water temperature data with other months of the year.
Water temperature in December
Minimum:
37.5 °F
Average:
40.8 °F
Maximum:
46.4 °F
Water temperature in Toronto in December
In the city of Toronto, the month of December is too cold for swimming. The minimum recorded temperature during this month was 37.5°F on December 30, 2022, with an average temperature being 40.8°F and a maximum temperature reaching 46.4°F on December 1, 2024.
| Date | 10 years average | 2024 | 2023 |
|---|---|---|---|
| Dec 1 | 42.9°F | 46.4°F | 41.2°F |
| Dec 2 | 42.8°F | 44.4°F | 41.1°F |
| Dec 3 | 42.6°F | 44.7°F | 41.3°F |
| Dec 4 | 42.5°F | 44.5°F | 41.5°F |
| Dec 5 | 42.2°F | 44.1°F | 40.7°F |
| Dec 6 | 42.1°F | 43.6°F | 41.0°F |
| Dec 7 | 42.0°F | 43.2°F | 41.2°F |
| Dec 8 | 41.7°F | 42.0°F | 41.8°F |
| Dec 9 | 41.5°F | 41.5°F | 41.3°F |
| Dec 10 | 41.4°F | 41.3°F | 41.1°F |
| Dec 11 | 41.4°F | 41.1°F | 40.9°F |
| Dec 12 | 41.5°F | 40.9°F | 41.1°F |
| Dec 13 | 41.1°F | 41.5°F | 40.9°F |
| Dec 14 | 40.9°F | 41.5°F | 40.3°F |
| Dec 15 | 40.9°F | 41.2°F | 40.1°F |
| Dec 16 | 41.0°F | 41.9°F | 40.2°F |
| Dec 17 | 40.7°F | 41.8°F | 40.2°F |
| Dec 18 | 40.6°F | 41.3°F | 40.3°F |
| Dec 19 | 40.6°F | 41.3°F | 40.3°F |
| Dec 20 | 40.4°F | 41.1°F | 40.2°F |
| Dec 21 | 40.3°F | 41.1°F | 39.7°F |
| Dec 22 | 40.0°F | 40.6°F | 39.7°F |
| Dec 23 | 39.9°F | 40.4°F | 39.5°F |
| Dec 24 | 39.7°F | 40.2°F | 39.2°F |
| Dec 25 | 40.0°F | 40.5°F | 38.9°F |
| Dec 26 | 39.6°F | 40.2°F | 38.8°F |
| Dec 27 | 39.3°F | 39.8°F | 38.5°F |
| Dec 28 | 39.3°F | 39.8°F | 39.7°F |
| Dec 29 | 39.4°F | 39.9°F | 40.3°F |
| Dec 30 | 39.1°F | 39.6°F | 40.4°F |
| Dec 31 | 39.0°F | 39.6°F | 38.9°F |
In an average year, Toronto offers no days when the water temperature is warm enough to swim comfortably.
The warmest water in Toronto was recorded on August 30, 2021, reaching a 76.7°F. While the coldest temperature occurred on February 20, 2015, dipping to 32.0°F. The average readings by season are 38.2°F in Winter, 39.9°F in Spring, 64.1°F in Summer, and 57.4°F in Autumn.
December's average temperature is a slight drop from November's average of 46.7°F. In January, the temperature is expected to decrease further, potentially averaging around 37.7°F.