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Redwood City in July

Find out everything about the water temperature in Redwood City 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:

54.7 °F

Average:

66.3 °F

Maximum:

73.8 °F

Sea water temperature in Redwood City in July

In the city of Redwood City, the month of July is somewhat comfortable for swimming. The minimum recorded temperature during this month was 54.7°F on July 3, 2016, with an average temperature being 66.3°F and a maximum temperature reaching 73.8°F on July 7, 2024.

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 July, the sea temperature remains relatively stable. The average temperature stays close to 66.3°F throughout the month, with minimal changes.
Date 10 years average 2025 2024
Jul 1 65.5°F 66.7°F 68.2°F
Jul 2 65.4°F 67.2°F 68.2°F
Jul 3 65.6°F 68.5°F 69.4°F
Jul 4 65.4°F 67.5°F 69.9°F
Jul 5 66.1°F 67.7°F 71.6°F
Jul 6 66.7°F 66.8°F 73.4°F
Jul 7 66.6°F 68.0°F 73.8°F
Jul 8 66.3°F 69.0°F 73.5°F
Jul 9 66.2°F 68.9°F 72.0°F
Jul 10 66.3°F 69.1°F 72.5°F
Jul 11 66.4°F 68.7°F 71.9°F
Jul 12 66.7°F 69.7°F 72.2°F
Jul 13 66.7°F 69.7°F 71.6°F
Jul 14 67.0°F 69.7°F 73.0°F
Jul 15 67.0°F 69.5°F 72.7°F
Jul 16 66.9°F 71.0°F 71.8°F
Jul 17 67.0°F 70.2°F 72.7°F
Jul 18 66.9°F 70.4°F 71.9°F
Jul 19 66.9°F 69.7°F 71.5°F
Jul 20 67.1°F 69.0°F 71.2°F
Jul 21 67.1°F 68.4°F 72.0°F
Jul 22 66.7°F 68.4°F 71.4°F
Jul 23 66.5°F 67.2°F 71.9°F
Jul 24 66.3°F 66.0°F 72.2°F
Jul 25 66.1°F 65.5°F 73.1°F
Jul 26 66.0°F 65.3°F 71.7°F
Jul 27 65.7°F 66.3°F 71.8°F
Jul 28 66.2°F 66.6°F 71.3°F
Jul 29 66.0°F 64.7°F 70.9°F
Jul 30 66.1°F 64.9°F 69.1°F
Jul 31 65.8°F 64.7°F 68.9°F

Sea water temperature in Redwood City by month

In an average year, Redwood City offers no days when the water temperature is warm enough to swim comfortably. The warmest water in Redwood City was recorded on September 9, 2022, reaching a 74.5°F. While the coldest temperature occurred on March 3, 2023, dipping to 49.7°F. The average readings by season are 53.7°F in Winter, 58.9°F in Spring, 65.6°F in Summer, and 63.1°F in Autumn. In July, the temperature is higher than June's average of 64.2°F and August's average of 66.1°F.

Popular neighboring cities and resorts

City Water temperature* Distance**
San Jose 53.5°F 21mi
Oakland 54.1°F 22mi
San Francisco 55.0°F 22mi

* current water temperature in this city

** straight line distance from Redwood City