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Redwood City in December

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

51.0 °F

Average:

55.0 °F

Maximum:

59.3 °F

Sea water temperature in Redwood City in December

In the city of Redwood City, the month of December is too cold for swimming. The minimum recorded temperature during this month was 51.0°F on December 22, 2022, with an average temperature being 55.0°F and a maximum temperature reaching 59.3°F on December 7, 2014.

Swing in the water of such temperature might lead to potential hypothermia within just a few minutes. In December, the sea temperature remains relatively stable. The average temperature stays close to 55.0°F throughout the month, with minimal changes.
Date 10 years average 2023 2022
Dec 1 57.1°F 57.6°F 53.9°F
Dec 2 56.9°F 57.2°F 53.9°F
Dec 3 56.6°F 56.9°F 53.5°F
Dec 4 56.2°F 56.8°F 53.5°F
Dec 5 56.2°F 57.2°F 53.5°F
Dec 6 56.0°F 56.9°F 53.5°F
Dec 7 55.9°F 56.9°F 53.5°F
Dec 8 55.6°F 56.1°F 53.3°F
Dec 9 55.5°F 56.6°F 52.8°F
Dec 10 55.5°F 56.2°F 52.9°F
Dec 11 55.5°F 55.9°F 53.0°F
Dec 12 55.4°F 55.8°F 53.1°F
Dec 13 55.3°F 55.6°F 53.1°F
Dec 14 55.2°F 55.0°F 52.9°F
Dec 15 55.1°F 54.8°F 52.7°F
Dec 16 55.0°F 54.7°F 52.7°F
Dec 17 54.8°F 54.5°F 52.2°F
Dec 18 54.5°F 54.3°F 51.6°F
Dec 19 54.3°F 54.2°F 51.7°F
Dec 20 54.3°F 54.2°F 51.8°F
Dec 21 54.1°F 54.5°F 51.7°F
Dec 22 54.1°F 54.4°F 51.0°F
Dec 23 54.1°F 54.5°F 51.2°F
Dec 24 54.3°F 56.1°F 51.5°F
Dec 25 54.1°F 55.9°F 51.2°F
Dec 26 54.1°F 55.7°F 51.6°F
Dec 27 54.0°F 55.6°F 52.2°F
Dec 28 54.0°F 55.2°F 52.3°F
Dec 29 53.7°F 54.9°F 51.7°F
Dec 30 53.6°F 54.8°F 51.7°F
Dec 31 53.4°F 54.7°F 51.7°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 54.1°F in Winter, 58.1°F in Spring, 64.1°F in Summer, and 62.4°F in Autumn. December's average temperature is a slight drop from November's average of 59.0°F. In January, the temperature is expected to decrease further, potentially averaging around 53.1°F.

Popular neighboring cities and resorts

City Water temperature* Distance**
San Jose 55.6°F 21mi
Oakland 54.3°F 22mi
San Francisco 53.6°F 22mi

* current water temperature in this city

** straight line distance from Redwood City