Average sea water temperature in January:
+54.6°F
| Minimum sea water temperature in January: | 59.5°F |
| Maximum sea water temperature in January: | 48.9°F |
Daily sea water temperature in January, °F
Show year:
2026
2025
2024
The average sea water temperature in January of 2026 was 53.3°F. The highest and lowest sea temperatures during the month were 54.3°F and 51.4°F.
Monthly sea water temperature in Tokyo, °F
Which Japan resorts have warmest sea in January?
| Place name | January 2026 | January 2025 |
|---|---|---|
| Okinawa | 72.4°F | 71.6°F |
| Nagasaki | 62.9°F | 60.3°F |
| Hakone | 61.9°F | 61.0°F |
| Atami | 61.9°F | 61.1°F |
| Kamakura | 61.1°F | 61.1°F |
| Fukuoka | 58.6°F | 56.8°F |
| Hiroshima | 58.1°F | 56.1°F |
| Yokohama | 55.8°F | 55.9°F |
| Nagoya | 55.7°F | 53.7°F |
| Kobe | 55.2°F | 52.5°F |
| Osaka | 55.1°F | 51.1°F |
| Nara | 54.6°F | 51.1°F |
| Kyoto | 53.5°F | 50.7°F |
| Tokyo | 53.3°F | 52.9°F |
| Noboribetsu | 45.2°F | 43.3°F |
| Sapporo | 40.6°F | 41.6°F |
Best time for vacation in Tokyo
Tokyo on a weather map
Places in Japan:
Name
°F
24 Hours Forecast
Tokyo
Local time: 08:51
January 16, friday
0900

48°F
S
3 mph
3 mph
1200

55°F
SW
4 mph
4 mph
1500

59°F
S
2 mph
2 mph
1800

55°F
S
6 mph
6 mph
2100

50°F
S
6 mph
6 mph
January 17, saturday
0000

48°F
S
6 mph
6 mph
0300

46°F
S
5 mph
5 mph
0600

45°F
S
6 mph
6 mph



























