Average sea water temperature in January:
+71.8°F
| Minimum sea water temperature in January: | 75.6°F |
| Maximum sea water temperature in January: | 68.5°F |
Daily sea water temperature in January, °F
Show year:
2026
2025
2024
The average sea water temperature in January of 2026 was 71.5°F. The highest and lowest sea temperatures during the month were 73.4°F and 69.3°F.
Monthly sea water temperature in Okinawa, °F
Which Japan resorts have warmest sea in January?
| Place name | January 2026 | January 2025 |
|---|---|---|
| Okinawa | 71.5°F | 71.6°F |
| Nagasaki | 62.0°F | 60.3°F |
| Hakone | 60.5°F | 61.0°F |
| Atami | 60.4°F | 61.1°F |
| Kamakura | 59.7°F | 61.1°F |
| Fukuoka | 57.0°F | 56.8°F |
| Hiroshima | 56.4°F | 56.1°F |
| Yokohama | 54.6°F | 55.9°F |
| Nagoya | 53.2°F | 53.7°F |
| Kobe | 52.8°F | 52.5°F |
| Osaka | 52.6°F | 51.1°F |
| Nara | 52.5°F | 51.1°F |
| Tokyo | 51.9°F | 52.9°F |
| Kyoto | 51.9°F | 50.7°F |
| Noboribetsu | 43.5°F | 43.3°F |
| Sapporo | 39.5°F | 41.6°F |
Best time for vacation in Okinawa
Okinawa on a weather map
Places in Japan:
Name
°F
24 Hours Forecast
Okinawa
Local time: 05:29
March 18, wednesday
0600
63°F
N
5 mph
5 mph
0900
66°F
N
8 mph
8 mph
1200
70°F
N
11 mph
11 mph
1500
70°F
NE
12 mph
12 mph
1800
68°F
NE
11 mph
11 mph
2100
66°F
NE
7 mph
7 mph
March 19, thursday
0000
66°F
NE
7 mph
7 mph
0300
66°F
NE
9 mph
9 mph
