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Tokyo in January

Find out everything about the water temperature in Tokyo 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:

49.1 °F

Average:

54.1 °F

Maximum:

59.4 °F

Sea water temperature in Tokyo in January

In the city of Tokyo, the month of January is too cold for swimming. The minimum recorded temperature during this month was 49.1°F on January 27, 2022, with an average temperature being 54.1°F and a maximum temperature reaching 59.4°F on January 5, 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 54.1°F throughout the month, with minimal changes.
Date 10 years average 2024 2023
Jan 1 55.7°F 53.5°F 52.2°F
Jan 2 55.6°F 55.0°F 52.1°F
Jan 3 55.3°F 54.1°F 51.6°F
Jan 4 55.5°F 56.5°F 51.9°F
Jan 5 54.9°F 54.4°F 52.2°F
Jan 6 55.0°F 56.3°F 52.7°F
Jan 7 54.9°F 55.1°F 53.0°F
Jan 8 54.7°F 54.1°F 53.2°F
Jan 9 54.4°F 54.8°F 52.8°F
Jan 10 54.5°F 54.3°F 53.8°F
Jan 11 54.2°F 53.6°F 53.5°F
Jan 12 54.0°F 54.8°F 52.7°F
Jan 13 53.9°F 53.9°F 53.2°F
Jan 14 54.2°F 54.2°F 54.0°F
Jan 15 54.0°F 53.2°F 54.3°F
Jan 16 54.2°F 53.9°F 54.5°F
Jan 17 54.4°F 53.2°F 53.9°F
Jan 18 54.6°F 53.9°F 54.3°F
Jan 19 54.4°F 54.6°F 53.1°F
Jan 20 54.1°F 54.9°F 53.5°F
Jan 21 54.0°F 55.1°F 53.5°F
Jan 22 53.7°F 52.6°F 52.4°F
Jan 23 53.9°F 53.4°F 52.8°F
Jan 24 53.8°F 53.0°F 53.3°F
Jan 25 53.0°F 52.8°F 52.5°F
Jan 26 52.9°F 52.5°F 52.8°F
Jan 27 52.9°F 53.0°F 53.1°F
Jan 28 53.0°F 52.7°F 52.3°F
Jan 29 52.9°F 51.6°F 52.9°F
Jan 30 52.6°F 51.7°F 52.0°F
Jan 31 52.9°F 53.9°F 50.8°F

Sea water temperature in Tokyo by month

In Tokyo, the months July through September offer comfortable swimming conditions, which amounts to 103 swimming days. The warmest water in Tokyo was recorded on July 30, 2024, reaching a 88.2°F. While the coldest temperature occurred on February 15, 2022, dipping to 47.3°F. The average readings by season are 55.3°F in Winter, 60.2°F in Spring, 77.3°F in Summer, and 71.5°F in Autumn. January's average temperature is a slight drop from December's average of 58.8°F. In February, the temperature is expected to decrease further, potentially averaging around 52.9°F.

Popular neighboring cities and resorts

City Water temperature* Distance**
Kawasaki 64.9°F 12mi
Matsudo 64.4°F 13mi
Honchō 64.4°F 17mi
Yokohama 65.6°F 18mi
Chiba 65.3°F 25mi
Ichihara 65.2°F 25mi
Kisarazu 64.7°F 25mi
Kimitsu 64.6°F 25mi
Fujisawa 72.0°F 26mi
Futtsu 65.1°F 27mi

* current water temperature in this city

** straight line distance from Tokyo