Average sea water temperature in May:
+65.5°F
| Minimum sea water temperature in May: | 69.6°F |
| Maximum sea water temperature in May: | 60.8°F |
Daily sea water temperature in May, °F
Show year:
2026
2025
2024
The average sea water temperature in May of 2026 was 66.1°F. The highest and lowest sea temperatures during the month were 67.8°F and 65.1°F.
Monthly sea water temperature in Hakone, °F
Which Japan resorts have warmest sea in May?
| Place name | May 2026 | May 2025 |
|---|---|---|
| Okinawa | 74.3°F | 76.2°F |
| Tokyo | 68.4°F | 66.8°F |
| Yokohama | 67.9°F | 66.1°F |
| Kamakura | 66.6°F | 65.7°F |
| Nagasaki | 66.6°F | 66.0°F |
| Fukuoka | 66.4°F | 64.7°F |
| Hakone | 66.1°F | 65.5°F |
| Atami | 65.8°F | 65.3°F |
| Nagoya | 65.5°F | 65.9°F |
| Nara | 64.8°F | 64.9°F |
| Kyoto | 64.7°F | 64.8°F |
| Osaka | 64.7°F | 65.1°F |
| Kobe | 63.4°F | 64.1°F |
| Hiroshima | 62.2°F | 62.9°F |
| Sapporo | 50.9°F | 52.4°F |
| Noboribetsu | 46.3°F | 48.5°F |
Best time for vacation in Hakone
Hakone on a weather map
Places in Japan:
Name
°F
24 Hours Forecast
Hakone
Local time: 13:37
May 18, monday
1500
73°F
N
11 mph
11 mph
1800
68°F
N
9 mph
9 mph
2100
63°F
E
7 mph
7 mph
May 19, tuesday
0000
61°F
E
6 mph
6 mph
0300
61°F
E
5 mph
5 mph
0600
64°F
E
5 mph
5 mph
0900
73°F
N
7 mph
7 mph
1200
75°F
N
11 mph
11 mph
