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Redwood City in May

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

52.3 °F

Average:

61.5 °F

Maximum:

68.1 °F

Sea water temperature in Redwood City in May

In the city of Redwood City, the month of May is somewhat too cool for swimming. The minimum recorded temperature during this month was 52.3°F on May 18, 2017, with an average temperature being 61.5°F and a maximum temperature reaching 68.1°F on May 29, 2020.

Most people would find such water temperature somewhat too cold for swimming. In May, the sea temperature remains relatively stable. The average temperature stays close to 61.5°F throughout the month, with minimal changes.
Date 10 years average 2025 2024
May 1 60.5°F 61.2°F 61.4°F
May 2 60.3°F 61.3°F 61.3°F
May 3 60.7°F 62.2°F 62.0°F
May 4 60.7°F 61.5°F 61.8°F
May 5 60.5°F 61.6°F 60.9°F
May 6 60.5°F 62.7°F 60.7°F
May 7 60.4°F 64.2°F 59.7°F
May 8 60.4°F 63.7°F 60.9°F
May 9 60.7°F 62.9°F 61.6°F
May 10 60.5°F 62.7°F 62.8°F
May 11 60.2°F 62.4°F 62.5°F
May 12 61.0°F 63.1°F 63.3°F
May 13 61.7°F 63.8°F 64.0°F
May 14 61.8°F 63.0°F 64.1°F
May 15 62.0°F 64.0°F 64.8°F
May 16 61.8°F 63.8°F 64.5°F
May 17 61.6°F 63.4°F 64.8°F
May 18 61.9°F 64.5°F 65.3°F
May 19 62.0°F 63.8°F 65.5°F
May 20 61.9°F 64.3°F 64.4°F
May 21 61.8°F 64.2°F 65.0°F
May 22 61.8°F 64.2°F 65.3°F
May 23 62.0°F 64.8°F 65.8°F
May 24 62.2°F 64.3°F 65.1°F
May 25 62.1°F 63.8°F 64.7°F
May 26 62.0°F 62.7°F 64.1°F
May 27 62.1°F 63.4°F 62.9°F
May 28 62.5°F 63.7°F 64.0°F
May 29 62.7°F 63.4°F 65.2°F
May 30 62.9°F 63.8°F 65.1°F
May 31 63.1°F 64.7°F 65.3°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. The average temperature in May is slightly warmer than April's average of 59.2°F. And in June, the temperature is expected to rise further, potentially reaching an average of 64.2°F.

Popular neighboring cities and resorts

City Water temperature* Distance**
San Jose 52.8°F 21mi
Oakland 53.3°F 22mi
San Francisco 54.2°F 22mi

* current water temperature in this city

** straight line distance from Redwood City