Average sea water temperature in April:
+61.1°F
| Minimum sea water temperature in April: | 67.1°F |
| Maximum sea water temperature in April: | 55.9°F |
Daily sea water temperature in April, °F
Show year:
2026
2025
2024
The average sea water temperature in April of 2026 was 61.9°F. The highest and lowest sea temperatures during the month were 65.3°F and 58.6°F.
Monthly sea water temperature in Hakone, °F
Which Japan resorts have warmest sea in April?
| Place name | April 2026 | April 2025 |
|---|---|---|
| Okinawa | 74.4°F | 71.5°F |
| Nagasaki | 64.0°F | 61.4°F |
| Atami | 62.0°F | 60.9°F |
| Tokyo | 61.9°F | 59.1°F |
| Hakone | 61.9°F | 61.1°F |
| Kamakura | 61.6°F | 61.1°F |
| Yokohama | 61.3°F | 59.6°F |
| Fukuoka | 60.1°F | 58.6°F |
| Nagoya | 60.0°F | 58.4°F |
| Kyoto | 59.2°F | 57.4°F |
| Osaka | 59.1°F | 57.6°F |
| Nara | 59.1°F | 57.4°F |
| Kobe | 58.7°F | 56.5°F |
| Hiroshima | 58.4°F | 57.2°F |
| Sapporo | 46.0°F | 44.9°F |
| Noboribetsu | 40.7°F | 42.1°F |
Best time for vacation in Hakone
Hakone on a weather map
Places in Japan:
Name
°F
24 Hours Forecast
Hakone
Local time: 12:34
April 28, tuesday
1500
70°F
NE
14 mph
14 mph
1800
64°F
NE
15 mph
15 mph
2100
64°F
NE
14 mph
14 mph
April 29, wednesday
0000
64°F
NE
13 mph
13 mph
0300
63°F
E
4 mph
4 mph
0600
63°F
S
3 mph
3 mph
0900
66°F
SW
7 mph
7 mph
1200
68°F
W
6 mph
6 mph
