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Futtsu in December

Find out everything about the water temperature in Futtsu 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:

55.0 °F

Average:

60.8 °F

Maximum:

65.9 °F

Sea water temperature in Futtsu in December

In the city of Futtsu, the month of December is somewhat too cool for swimming. The minimum recorded temperature during this month was 55.0°F on December 29, 2022, with an average temperature being 60.8°F and a maximum temperature reaching 65.9°F on December 4, 2025.

Most people would find such water temperature somewhat too cold for swimming. In December, the sea temperature remains relatively stable. The average temperature stays close to 60.8°F throughout the month, with minimal changes.
Date 10 years average 2025 2024
Dec 1 63.5°F 63.1°F 65.2°F
Dec 2 63.1°F 64.9°F 64.4°F
Dec 3 62.9°F 64.2°F 62.8°F
Dec 4 62.7°F 65.9°F 61.6°F
Dec 5 62.7°F 65.4°F 63.2°F
Dec 6 62.6°F 65.3°F 62.8°F
Dec 7 62.1°F 63.0°F 63.1°F
Dec 8 61.9°F 62.4°F 62.8°F
Dec 9 61.7°F 63.6°F 63.2°F
Dec 10 61.5°F 62.9°F 62.2°F
Dec 11 61.1°F 62.5°F 60.2°F
Dec 12 61.1°F 61.4°F 59.8°F
Dec 13 61.1°F 61.4°F 60.4°F
Dec 14 60.9°F 61.2°F 60.1°F
Dec 15 61.3°F 61.5°F 60.7°F
Dec 16 61.1°F 61.4°F 61.0°F
Dec 17 61.0°F 61.2°F 60.5°F
Dec 18 60.9°F 61.1°F 62.5°F
Dec 19 60.4°F 60.7°F 61.8°F
Dec 20 60.3°F 60.5°F 61.0°F
Dec 21 60.0°F 60.3°F 60.5°F
Dec 22 60.0°F 60.3°F 59.8°F
Dec 23 59.6°F 59.8°F 59.0°F
Dec 24 59.4°F 59.7°F 59.6°F
Dec 25 59.3°F 59.5°F 58.9°F
Dec 26 59.3°F 59.6°F 60.3°F
Dec 27 59.4°F 59.7°F 60.8°F
Dec 28 59.0°F 59.3°F 60.7°F
Dec 29 58.5°F 58.8°F 57.6°F
Dec 30 58.0°F 58.2°F 58.9°F
Dec 31 58.7°F 58.9°F 59.1°F

Sea water temperature in Futtsu by month

In Futtsu, the months July through September offer comfortable swimming conditions, which amounts to 101 swimming days. The warmest water in Futtsu was recorded on July 30, 2024, reaching a 84.7°F. While the coldest temperature occurred on February 18, 2018, dipping to 51.0°F. The average readings by season are 57.7°F in Winter, 60.6°F in Spring, 76.4°F in Summer, and 72.0°F in Autumn. December's average temperature is a slight drop from November's average of 66.0°F. In January, the temperature is expected to decrease further, potentially averaging around 56.8°F.

Popular neighboring cities and resorts

City Water temperature* Distance**
Kimitsu 60.0°F 4mi
Kisarazu 60.1°F 8mi
Yokosuka 63.2°F 9mi
Yokohama 60.3°F 13mi
Kawasaki 60.2°F 16mi
Fujisawa 65.6°F 19mi
Ichihara 60.2°F 21mi
Chiba 60.0°F 26mi
Tokyo 60.3°F 27mi
Honchō 57.9°F 29mi

* current water temperature in this city

** straight line distance from Futtsu