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Chicago in July

Find out everything about the water temperature in Chicago 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:

60.0 °F

Average:

70.3 °F

Maximum:

78.0 °F

Water temperature in Chicago in July

In the city of Chicago, the month of July is somewhat comfortable for swimming. The minimum recorded temperature during this month was 60.0°F on July 1, 2019, with an average temperature being 70.3°F and a maximum temperature reaching 78.0°F on July 10, 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. Throughout the month of July, the water temperature gradually gets warmer. Starting with an average temperature of 68.0°F at the beginning of the month, it steadily increases to around 72.1°F by the end.
Date 10 years average 2024 2023
Jul 1 66.0°F 66.3°F 67.7°F
Jul 2 66.2°F 66.4°F 68.6°F
Jul 3 66.3°F 66.3°F 67.6°F
Jul 4 67.0°F 67.9°F 66.7°F
Jul 5 68.1°F 68.8°F 67.9°F
Jul 6 68.6°F 69.1°F 69.5°F
Jul 7 68.9°F 69.0°F 68.6°F
Jul 8 69.2°F 69.8°F 68.2°F
Jul 9 69.6°F 70.4°F 68.2°F
Jul 10 69.9°F 71.0°F 68.8°F
Jul 11 70.0°F 70.2°F 70.0°F
Jul 12 70.6°F 70.4°F 70.2°F
Jul 13 70.8°F 71.4°F 69.7°F
Jul 14 70.8°F 72.1°F 68.7°F
Jul 15 70.8°F 71.4°F 69.0°F
Jul 16 70.9°F 72.2°F 69.9°F
Jul 17 70.6°F 72.1°F 69.9°F
Jul 18 70.7°F 72.1°F 69.8°F
Jul 19 70.8°F 71.9°F 70.2°F
Jul 20 71.3°F 71.7°F 70.9°F
Jul 21 71.5°F 72.2°F 71.8°F
Jul 22 71.3°F 72.7°F 71.1°F
Jul 23 71.7°F 73.0°F 71.0°F
Jul 24 71.8°F 73.6°F 71.4°F
Jul 25 71.8°F 73.0°F 72.3°F
Jul 26 71.9°F 73.4°F 73.4°F
Jul 27 72.4°F 73.7°F 73.7°F
Jul 28 72.7°F 73.9°F 74.4°F
Jul 29 72.8°F 74.1°F 74.9°F
Jul 30 72.4°F 74.3°F 73.4°F
Jul 31 72.4°F 75.0°F 73.7°F

Water temperature in Chicago by month

In Chicago, there are only 5 days through the year when the water is warm enough to be comfortable for swimming. The warmest water in Chicago was recorded on July 10, 2020, reaching a 78.0°F. While the coldest temperature occurred on January 4, 2014, dipping to 32.0°F. The average readings by season are 36.6°F in Winter, 42.8°F in Spring, 68.3°F in Summer, and 59.3°F in Autumn. The average temperature in July is slightly warmer than June's average of 61.6°F. And in August, the temperature is expected to rise further, potentially reaching an average of 73.0°F.