The Japan resorts with the warmest sea water temperature in February are Okinawa, Kamakura and Hakone.
Below you can see a list of all popular Japan resorts and information about sea water temperature in February for the last two years.
| Resort Name | February 2025 | February 2024 | February 2023 |
|---|---|---|---|
| Okinawa | 71.3°F | 74.3°F | 73.1°F |
| Kamakura | 60.2°F | 61.2°F | 60.8°F |
| Hakone | 60.2°F | 61.6°F | 60.7°F |
| Atami | 60.0°F | 61.9°F | 61.3°F |
| Nagasaki | 57.9°F | 61.9°F | 61.1°F |
| Yokohama | 56.0°F | 55.8°F | 54.9°F |
| Fukuoka | 54.1°F | 56.0°F | 54.4°F |
| Tokyo | 52.2°F | 53.8°F | 52.3°F |
| Nagoya | 52.0°F | 53.1°F | 53.8°F |
| Hiroshima | 51.9°F | 54.3°F | 52.4°F |
| Kobe | 48.3°F | 51.5°F | 49.9°F |
| Nara | 47.8°F | 50.8°F | 49.8°F |
| Osaka | 47.6°F | 51.4°F | 49.8°F |
| Kyoto | 47.5°F | 49.6°F | 49.8°F |
| Sapporo | 41.5°F | 38.6°F | 28.9°F |
| Noboribetsu | 39.9°F | 39.4°F | 34.9°F |
Please see following sea water temperature averages charts for the warmest Japan resorts in February.
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
0
15
30
45
60
75
90
105
77.3
80.7
84.2
87.4
88.3
87.3
83.1
78.6
74.9
73
72.8
74.3
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
0
14
28
42
56
70
84
98
112
65.2
70.7
75.7
81.4
83.7
79.4
72.8
67.3
62
59.9
59.7
61.3
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
0
14
28
42
56
70
84
98
112
65.8
71.4
76.3
81.6
83.8
79.5
72.8
67.2
62.3
60.6
60
61.7
You can also get the same information for the every other month of the year when the average sea water temperature is greater then 70°F.
