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San Francisco in July

Find out everything about the water temperature in San Francisco 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 sea temperature data with other months of the year.
Water temperature in July
Minimum:

54.9 °F

Average:

60.7 °F

Maximum:

64.6 °F

Sea water temperature in San Francisco in July

In the city of San Francisco, the month of July is too cold for swimming. The minimum recorded temperature during this month was 54.9°F on July 3, 2016, with an average temperature being 60.7°F and a maximum temperature reaching 64.6°F on July 6, 2021.

Swing in the water of such temperature might lead to potential hypothermia within just a few minutes. In July, the sea temperature remains relatively stable. The average temperature stays close to 60.7°F throughout the month, with minimal changes.
Date 10 years average 2023 2022
Jul 1 60.2°F 60.0°F 61.4°F
Jul 2 60.1°F 60.5°F 62.0°F
Jul 3 60.1°F 60.0°F 61.9°F
Jul 4 60.2°F 60.4°F 61.6°F
Jul 5 60.0°F 59.6°F 60.2°F
Jul 6 60.2°F 58.8°F 61.0°F
Jul 7 60.3°F 59.9°F 60.4°F
Jul 8 60.5°F 60.3°F 60.9°F
Jul 9 60.5°F 60.6°F 60.6°F
Jul 10 60.2°F 59.3°F 60.4°F
Jul 11 60.3°F 59.7°F 59.4°F
Jul 12 60.6°F 60.5°F 59.6°F
Jul 13 60.4°F 60.1°F 59.2°F
Jul 14 60.6°F 59.3°F 60.8°F
Jul 15 60.7°F 59.6°F 61.1°F
Jul 16 60.7°F 61.7°F 61.2°F
Jul 17 60.6°F 61.2°F 61.3°F
Jul 18 60.8°F 61.8°F 62.1°F
Jul 19 60.7°F 60.0°F 62.3°F
Jul 20 61.0°F 60.2°F 62.1°F
Jul 21 61.2°F 60.8°F 62.0°F
Jul 22 61.0°F 61.1°F 61.0°F
Jul 23 61.3°F 60.7°F 62.0°F
Jul 24 61.4°F 60.8°F 61.6°F
Jul 25 61.2°F 60.7°F 61.2°F
Jul 26 61.3°F 60.6°F 61.8°F
Jul 27 61.6°F 61.4°F 63.5°F
Jul 28 61.6°F 61.2°F 61.3°F
Jul 29 61.5°F 61.2°F 61.4°F
Jul 30 61.4°F 60.5°F 61.9°F
Jul 31 61.3°F 60.5°F 60.4°F

Sea water temperature in San Francisco by month

In an average year, San Francisco offers no days when the water temperature is warm enough to swim comfortably. The warmest water in San Francisco was recorded on August 28, 2023, reaching a 67.4°F. While the coldest temperature occurred on March 4, 2023, dipping to 49.3°F. The average readings by season are 53.7°F in Winter, 56.2°F in Spring, 60.9°F in Summer, and 60.7°F in Autumn. The average temperature in July is slightly warmer than June's average of 59.4°F. And in August, the temperature is expected to rise further, potentially reaching an average of 62.5°F.

Popular neighboring cities and resorts

City Water temperature* Distance**
Oakland 55.5°F 8mi
Redwood City 65.5°F 22mi
San Jose 63.2°F 42mi

* current water temperature in this city

** straight line distance from San Francisco