World Resorts Japan Hakone Weather

Hakone Sea Temperature in October

Average sea water temperature in October:
+73.8°F
Minimum sea water temperature in October: 79.2°F
Maximum sea water temperature in October: 69.6°F

Daily sea water temperature in October, °F

Show year:
2026
2025
2024

The average sea water temperature in October of 2026 was 75.0°F. The highest and lowest sea temperatures during the month were 76.6°F and 73.4°F.

Monthly sea water temperature in Hakone, °F

Which Japan resorts have warmest sea in October?

Place name October 2026 October 2025
Okinawa 82.5°F 84.7°F
Nagasaki 77.3°F 79.8°F
Kobe 77.2°F 75.2°F
Osaka 77.1°F 74.3°F
Nara 75.9°F 74.1°F
Hiroshima 75.8°F 75.8°F
Atami 75.4°F 75.1°F
Nagoya 75.3°F 74.6°F
Hakone 75.0°F 75.1°F
Fukuoka 74.9°F 76.5°F
Kamakura 74.2°F 74.2°F
Yokohama 73.6°F 72.9°F
Kyoto 73.1°F 73.4°F
Tokyo 72.5°F 72.9°F
Sapporo 64.2°F 65.1°F
Noboribetsu 61.7°F 63.8°F

Best time for vacation in Hakone

Sunniest months:
January 17 days
December 17 days
May 13 days
Warmest months:
August 86.7 °F
July 84.2 °F
September 80.9 °F
Warmest sea temp:
August 80.5 °F
September 78.5 °F
July 76.9 °F
Coldest months:
January 48.9 °F
February 49.7 °F
December 53.8 °F
Rainiest months:
July 8 days
June 7 days
September 7 days
Windiest months:
April 8.5 mph
March 8.5 mph
October 8.1 mph

Hakone on a weather map

Hakone
+57°F
E 2 mph
Feels like: +57°F
Precip.: 22%
Places in Japan:
Name
°F
+54°F
+59°F
+59°F
+57°F
+64°F
+68°F
+59°F
+55°F
+75°F
+61°F
+46°F
+55°F
+61°F
+57°F
+61°F
24 Hours Forecast
Hakone
Local time: 01:12
October 30, friday
0300
57°F
SE
2 mph
0600
55°F
SE
2 mph
0900
59°F
SE
3 mph
1200
66°F
N
5 mph
1500
70°F
N
11 mph
1800
63°F
E
7 mph
2100
61°F
E
7 mph
October 31, saturday
0000
59°F
E
6 mph
Units of measurement: °C / °F