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Yokohama in January

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

49.2 °F

Average:

55.2 °F

Maximum:

60.2 °F

Sea water temperature in Yokohama in January

In the city of Yokohama, the month of January is too cold for swimming. The minimum recorded temperature during this month was 49.2°F on January 27, 2022, with an average temperature being 55.2°F and a maximum temperature reaching 60.2°F on January 1, 2016.

Swing in the water of such temperature might lead to potential hypothermia within just a few minutes. In January, the sea temperature remains relatively stable. The average temperature stays close to 55.2°F throughout the month, with minimal changes.
Date 10 years average 2026 2025
Jan 1 56.9°F 57.0°F 56.3°F
Jan 2 56.7°F 56.9°F 56.2°F
Jan 3 56.2°F 56.2°F 57.3°F
Jan 4 56.7°F 56.4°F 58.0°F
Jan 5 56.0°F 55.7°F 57.9°F
Jan 6 56.3°F 55.6°F 57.8°F
Jan 7 55.7°F 55.5°F 57.5°F
Jan 8 55.6°F 56.6°F 55.9°F
Jan 9 55.6°F 55.3°F 55.8°F
Jan 10 55.6°F 56.1°F 56.4°F
Jan 11 55.2°F 54.8°F 57.0°F
Jan 12 55.1°F 54.5°F 56.6°F
Jan 13 55.2°F 54.3°F 56.8°F
Jan 14 55.3°F 54.9°F 55.4°F
Jan 15 55.2°F 55.1°F 56.7°F
Jan 16 55.2°F 53.6°F 56.5°F
Jan 17 55.5°F 53.1°F 56.5°F
Jan 18 55.6°F 53.5°F 56.4°F
Jan 19 55.5°F 53.3°F 56.2°F
Jan 20 55.3°F 52.9°F 55.8°F
Jan 21 55.1°F 53.2°F 56.6°F
Jan 22 54.8°F 54.6°F 54.0°F
Jan 23 54.9°F 53.7°F 52.8°F
Jan 24 55.2°F 54.0°F 54.6°F
Jan 25 54.5°F 53.3°F 54.4°F
Jan 26 54.0°F 52.8°F 52.0°F
Jan 27 53.5°F 52.4°F 52.5°F
Jan 28 53.8°F 52.6°F 55.1°F
Jan 29 53.9°F 52.8°F 53.6°F
Jan 30 54.4°F 53.2°F 55.0°F
Jan 31 54.4°F 53.2°F 54.9°F

Sea water temperature in Yokohama by month

In Yokohama, the months July through September offer comfortable swimming conditions, which amounts to 105 swimming days. The warmest water in Yokohama was recorded on July 30, 2024, reaching a 86.1°F. While the coldest temperature occurred on March 4, 2022, dipping to 49.1°F. The average readings by season are 56.6°F in Winter, 60.5°F in Spring, 77.1°F in Summer, and 72.1°F in Autumn. January's average temperature is a slight drop from December's average of 59.9°F. In February, the temperature is expected to decrease further, potentially averaging around 54.5°F.

Popular neighboring cities and resorts

City Water temperature* Distance**
Kawasaki 51.2°F 7mi
Yokosuka 58.5°F 10mi
Fujisawa 59.0°F 11mi
Futtsu 56.1°F 13mi
Kimitsu 53.7°F 14mi
Kisarazu 53.3°F 16mi
Tokyo 49.8°F 18mi
Ichihara 52.7°F 25mi
Honchō 49.8°F 26mi
Matsudo 49.8°F 28mi

* current water temperature in this city

** straight line distance from Yokohama