Average sea water temperature in January:
+60.5°F
| Minimum sea water temperature in January: | 65.3°F |
| Maximum sea water temperature in January: | 57.0°F |
Daily sea water temperature in January, °F
Show year:
2026
2025
2024
The average sea water temperature in January of 2026 was 60.5°F. The highest and lowest sea temperatures during the month were 63.9°F and 58.1°F.
Monthly sea water temperature in Hakone, °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 Hakone
Hakone on a weather map
Places in Japan:
Name
°F
24 Hours Forecast
Hakone
Local time: 04:30
February 26, thursday
0600
46°F
S
16 mph
16 mph
0900
50°F
S
14 mph
14 mph
1200
57°F
SW
14 mph
14 mph
1500
59°F
SW
12 mph
12 mph
1800
55°F
S
11 mph
11 mph
2100
52°F
S
12 mph
12 mph
February 27, friday
0000
50°F
S
9 mph
9 mph
0300
50°F
S
9 mph
9 mph
