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Toronto in July

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

54.1 °F

Average:

67.0 °F

Maximum:

75.7 °F

Water temperature in Toronto in July

In the city of Toronto, the month of July is somewhat comfortable for swimming. The minimum recorded temperature during this month was 54.1°F on July 2, 2022, with an average temperature being 67.0°F and a maximum temperature reaching 75.7°F on July 12, 2020.

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 the first part of the month, the water temperature averages at 63.8°F. Moving forward, temperature shifts. By the midpoint, it reaches 68.8°F and stays consistent until the end of the month.
Date 10 years average 2026 2025
Jul 1 60.6°F 58.0°F 62.0°F
Jul 2 60.8°F 57.2°F 63.4°F
Jul 3 61.3°F 59.3°F 62.8°F
Jul 4 62.1°F 62.7°F 62.4°F
Jul 5 62.9°F 63.5°F 60.9°F
Jul 6 64.0°F 61.7°F 63.1°F
Jul 7 65.2°F 63.3°F 66.5°F
Jul 8 66.1°F 65.7°F 67.1°F
Jul 9 66.9°F 68.8°F 66.9°F
Jul 10 67.6°F 70.2°F 67.4°F
Jul 11 67.5°F 71.8°F 67.3°F
Jul 12 68.2°F 70.8°F 69.6°F
Jul 13 68.9°F 70.9°F 72.4°F
Jul 14 68.9°F 71.9°F 74.2°F
Jul 15 68.4°F 73.2°F 72.6°F
Jul 16 68.8°F 72.1°F 74.4°F
Jul 17 69.4°F 71.3°F 75.2°F
Jul 18 69.8°F 72.5°F 74.1°F
Jul 19 69.3°F 70.0°F 71.9°F
Jul 20 68.7°F 67.7°F 66.7°F
Jul 21 69.2°F 66.6°F 67.7°F
Jul 22 69.1°F 66.9°F 65.5°F
Jul 23 68.4°F 62.9°F 65.6°F
Jul 24 68.4°F 62.0°F 67.7°F
Jul 25 68.3°F 58.3°F 68.5°F
Jul 26 68.0°F 56.8°F 69.2°F
Jul 27 68.0°F 56.7°F 69.3°F
Jul 28 68.3°F 58.3°F 72.1°F
Jul 29 68.8°F 61.0°F 71.7°F
Jul 30 68.4°F 58.9°F 71.9°F
Jul 31 68.5°F 60.8°F 72.6°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 13, 2025, reaching a 77.6°F. While the coldest temperature occurred on March 16, 2025, dipping to 33.0°F. The average readings by season are 38.3°F in Winter, 40.3°F in Spring, 64.5°F in Summer, and 57.9°F in Autumn. The average temperature in July is slightly warmer than June's average of 55.8°F. And in August, the temperature is expected to rise further, potentially reaching an average of 70.6°F.