Yokosuka in January
Find out everything about the water temperature in Yokosuka 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:
54.8 °F
Average:
59.0 °F
Maximum:
63.2 °F
Sea water temperature in Yokosuka in January
In the city of Yokosuka, the month of January is too cold for swimming. The minimum recorded temperature during this month was 54.8°F on January 20, 2022, with an average temperature being 59.0°F and a maximum temperature reaching 63.2°F on January 24, 2024.
| Date | 10 years average | 2025 | 2024 |
|---|---|---|---|
| Jan 1 | 60.3°F | 59.5°F | 60.2°F |
| Jan 2 | 60.3°F | 60.5°F | 60.6°F |
| Jan 3 | 60.3°F | 61.5°F | 60.8°F |
| Jan 4 | 60.3°F | 62.7°F | 62.0°F |
| Jan 5 | 59.8°F | 62.3°F | 60.8°F |
| Jan 6 | 59.9°F | 62.0°F | 60.8°F |
| Jan 7 | 59.5°F | 61.6°F | 61.9°F |
| Jan 8 | 59.3°F | 60.0°F | 59.2°F |
| Jan 9 | 59.2°F | 59.6°F | 60.7°F |
| Jan 10 | 58.8°F | 60.2°F | 59.3°F |
| Jan 11 | 58.7°F | 60.7°F | 58.1°F |
| Jan 12 | 58.4°F | 60.4°F | 59.2°F |
| Jan 13 | 58.7°F | 60.2°F | 59.7°F |
| Jan 14 | 58.9°F | 60.2°F | 60.0°F |
| Jan 15 | 59.0°F | 60.7°F | 59.6°F |
| Jan 16 | 59.2°F | 61.0°F | 59.9°F |
| Jan 17 | 59.2°F | 60.2°F | 59.4°F |
| Jan 18 | 59.2°F | 59.8°F | 60.5°F |
| Jan 19 | 59.0°F | 59.3°F | 61.6°F |
| Jan 20 | 58.7°F | 59.1°F | 61.9°F |
| Jan 21 | 58.6°F | 60.0°F | 61.4°F |
| Jan 22 | 58.4°F | 57.7°F | 60.8°F |
| Jan 23 | 58.5°F | 58.7°F | 61.0°F |
| Jan 24 | 58.7°F | 59.1°F | 63.2°F |
| Jan 25 | 58.7°F | 59.2°F | 62.5°F |
| Jan 26 | 58.4°F | 57.2°F | 61.2°F |
| Jan 27 | 58.2°F | 58.1°F | 59.1°F |
| Jan 28 | 58.1°F | 59.5°F | 58.9°F |
| Jan 29 | 58.2°F | 56.5°F | 58.3°F |
| Jan 30 | 58.2°F | 57.0°F | 58.0°F |
| Jan 31 | 58.1°F | 56.9°F | 58.5°F |
In Yokosuka, the months July through September offer comfortable swimming conditions, which amounts to 100 swimming days.
The warmest water in Yokosuka was recorded on August 13, 2023, reaching a 84.7°F. While the coldest temperature occurred on February 18, 2018, dipping to 53.4°F. The average readings by season are 59.7°F in Winter, 61.1°F in Spring, 75.9°F in Summer, and 72.6°F in Autumn.
January's average temperature is a slight drop from December's average of 62.5°F. In February, the temperature is expected to decrease further, potentially averaging around 57.5°F.
Popular neighboring cities and resorts
| City | Water temperature* | Distance** |
|---|---|---|
| Futtsu |
55.4°F
|
9mi |
| Yokohama |
55.0°F
|
10mi |
| Fujisawa |
60.2°F
|
12mi |
| Kimitsu |
54.3°F
|
12mi |
| Kisarazu |
54.2°F
|
16mi |
| Kawasaki |
53.8°F
|
17mi |
| Tokyo |
52.5°F
|
28mi |
| Ichihara |
52.7°F
|
28mi |
| Odawara |
59.6°F
|
29mi |
| Chiba |
52.0°F
|
33mi |
* current water temperature in this city
** straight line distance from Yokosuka