Current sea water temperature:
+74.5°F
| Minimum sea water temperature in October: | 79.2°F |
| Maximum sea water temperature in October: | 69.6°F |
| Average sea water temperature in October: | 73.8°F |
| more information | |
14 days
forecast
forecast
| Hakone |
monthly
weather
weather
| Hakone |
Sea water temperature for the last 10 days:
| October 28 | 74.5°F | October 23 | 75.2°F |
| October 27 | 74.8°F | October 22 | 75.6°F |
| October 26 | 75.4°F | October 21 | 75.7°F |
| October 25 | 75.0°F | October 20 | 75.9°F |
| October 24 | 74.7°F | October 19 | 75.0°F |
Monthly sea water temperature, °F
When is the warmest sea in Hakone?
Based on the data about daily sea water temperature for the last three years the warmest sea in Hakone was noticed in August, September and July.
Monthly Sea Temperatures in Hakone, °F
Sea water temperature in August, °F
Show year:
2026
2025
2024
The average sea water temperature in August of 2026 was 81.2°F. The highest and lowest sea temperatures during the month were 82.0°F and 80.1°F.
Sea water temperature in September, °F
Show year:
2026
2025
2024
The average sea water temperature in September of 2026 was 78.2°F. The highest and lowest sea temperatures during the month were 80.2°F and 76.5°F.
Sea water temperature in July, °F
Show year:
2026
2025
2024
The average sea water temperature in July of 2026 was 78.1°F. The highest and lowest sea temperatures during the month were 82.4°F and 73.0°F.
current
weather
weather
| Hakone |
weather in
November
November
| Hakone |
Best time for vacation in Hakone
Hakone on a weather map
Places in Japan:
Name
°F
24 Hours Forecast
Hakone
Local time: 00:18
October 30, friday
0300
57°F
SE
2 mph
2 mph
0600
55°F
SE
2 mph
2 mph
0900
59°F
SE
3 mph
3 mph
1200
66°F
N
5 mph
5 mph
1500
70°F
N
11 mph
11 mph
1800
63°F
E
7 mph
7 mph
2100
61°F
E
7 mph
7 mph
October 31, saturday
0000
59°F
E
6 mph
6 mph
