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Yokohama in December

Find out everything about the water temperature in Yokohama 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:

42.5 °F

Average:

51.7 °F

Maximum:

56.8 °F

Sea water temperature in Yokohama in December

In the city of Yokohama, the month of December is too cold for swimming. The minimum recorded temperature during this month was 42.5°F on December 23, 2016, with an average temperature being 51.7°F and a maximum temperature reaching 56.8°F on December 1, 2018.

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 51.7°F throughout the month, with minimal changes.
Date 10 years average 2023 2022
Dec 1 54.7°F 56.2°F 56.4°F
Dec 2 54.5°F 56.0°F 56.3°F
Dec 3 54.2°F 55.6°F 56.0°F
Dec 4 53.9°F 55.1°F 54.5°F
Dec 5 53.5°F 54.7°F 54.2°F
Dec 6 53.3°F 54.8°F 54.9°F
Dec 7 52.9°F 54.6°F 54.5°F
Dec 8 52.8°F 53.5°F 54.4°F
Dec 9 52.6°F 53.4°F 54.2°F
Dec 10 52.6°F 53.7°F 53.7°F
Dec 11 52.5°F 53.5°F 53.0°F
Dec 12 52.5°F 53.4°F 52.9°F
Dec 13 52.5°F 54.2°F 52.8°F
Dec 14 52.1°F 54.0°F 53.0°F
Dec 15 51.9°F 51.9°F 53.2°F
Dec 16 51.8°F 51.8°F 52.9°F
Dec 17 51.4°F 51.6°F 52.1°F
Dec 18 51.3°F 51.9°F 52.0°F
Dec 19 51.2°F 51.7°F 52.1°F
Dec 20 50.8°F 51.3°F 51.9°F
Dec 21 50.7°F 50.8°F 51.8°F
Dec 22 50.6°F 50.8°F 51.6°F
Dec 23 50.3°F 50.6°F 51.4°F
Dec 24 50.1°F 50.4°F 50.9°F
Dec 25 50.3°F 50.7°F 48.9°F
Dec 26 50.2°F 51.2°F 49.0°F
Dec 27 49.9°F 50.1°F 48.7°F
Dec 28 49.7°F 50.0°F 49.2°F
Dec 29 49.7°F 48.9°F 49.0°F
Dec 30 49.3°F 49.0°F 46.0°F
Dec 31 49.1°F 49.2°F 46.6°F

Sea water temperature in Yokohama by month

In Yokohama, August is the only month that offers comfortable swimming conditions. The amount of days when the water is warm enough is only 31. The warmest water in Yokohama was recorded on August 6, 2023, reaching a 82.5°F. While the coldest temperature occurred on March 20, 2014, dipping to 35.5°F. The average readings by season are 47.2°F in Winter, 46.9°F in Spring, 67.4°F in Summer, and 65.7°F in Autumn. December's average temperature is a slight drop from November's average of 58.3°F. In January, the temperature is expected to decrease further, potentially averaging around 46.7°F.