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Toronto in August

Find out everything about the water temperature in Toronto in August. Average, minimum and maximum recorded temperatures as well as daily temperature in August for the last two years. Compare the current month's water temperature data with other months of the year.
Water temperature in August
Minimum:

56.0 °F

Average:

69.5 °F

Maximum:

76.7 °F

Water temperature in Toronto in August

In the city of Toronto, the month of August is somewhat comfortable for swimming. The minimum recorded temperature during this month was 56.0°F on August 8, 2015, with an average temperature being 69.5°F and a maximum temperature reaching 76.7°F on August 30, 2021.

While some may find it enjoyable for a brief swim, others might consider it a bit too cold for extended periods in the water. In August, the water temperature remains relatively stable. The average temperature stays close to 69.5°F throughout the month, with minimal changes.
Date 10 years average 2024 2023
Aug 1 68.2°F 75.3°F 69.1°F
Aug 2 69.0°F 75.0°F 68.1°F
Aug 3 69.2°F 74.7°F 68.8°F
Aug 4 69.7°F 74.9°F 70.1°F
Aug 5 69.8°F 74.5°F 69.4°F
Aug 6 69.8°F 74.9°F 67.4°F
Aug 7 69.4°F 73.9°F 67.9°F
Aug 8 69.8°F 73.8°F 68.5°F
Aug 9 69.5°F 73.2°F 69.0°F
Aug 10 69.9°F 73.5°F 68.8°F
Aug 11 69.8°F 73.5°F 69.0°F
Aug 12 69.7°F 73.3°F 68.1°F
Aug 13 70.0°F 73.6°F 68.9°F
Aug 14 69.8°F 73.4°F 68.6°F
Aug 15 69.7°F 73.4°F 67.3°F
Aug 16 69.8°F 69.3°F 69.7°F
Aug 17 70.1°F 71.3°F 68.7°F
Aug 18 70.1°F 69.3°F 67.4°F
Aug 19 70.3°F 71.8°F 67.3°F
Aug 20 69.9°F 71.7°F 63.5°F
Aug 21 69.2°F 67.1°F 61.7°F
Aug 22 69.4°F 67.7°F 60.0°F
Aug 23 69.5°F 66.4°F 61.9°F
Aug 24 69.6°F 66.4°F 62.5°F
Aug 25 69.4°F 66.0°F 62.4°F
Aug 26 69.5°F 67.1°F 63.0°F
Aug 27 69.0°F 68.1°F 62.1°F
Aug 28 68.9°F 69.9°F 62.5°F
Aug 29 68.9°F 70.3°F 63.1°F
Aug 30 69.5°F 70.1°F 66.4°F
Aug 31 69.5°F 69.0°F 68.4°F

Water temperature in Toronto by month

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. In August, the temperature is higher than July's average of 66.5°F and September's average of 67.4°F.