World Resorts Japan Hakone Weather

Hakone Sea Temperature in July

Average sea water temperature in July:
+76.9°F
Minimum sea water temperature in July: 82.9°F
Maximum sea water temperature in July: 70.0°F

Daily 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.

Monthly sea water temperature in Hakone, °F

Which Japan resorts have warmest sea in July?

Place name July 2026 July 2025
Okinawa 83.3°F 84.3°F
Fukuoka 81.8°F 81.6°F
Nagoya 81.6°F 83.8°F
Nagasaki 81.2°F 83.4°F
Nara 81.2°F 84.3°F
Osaka 81.1°F 84.0°F
Kyoto 80.4°F 84.9°F
Kobe 80.3°F 81.9°F
Hiroshima 79.5°F 81.6°F
Tokyo 78.8°F 81.6°F
Yokohama 78.2°F 80.8°F
Kamakura 78.1°F 80.2°F
Hakone 78.1°F 80.0°F
Atami 78.0°F 80.0°F
Sapporo 68.1°F 73.1°F
Noboribetsu 65.1°F 69.7°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 81.3 °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 8.0 mph

Hakone on a weather map

Hakone
+75°F
SW 22 mph
Feels like: +77°F
Precip.: 4%
Places in Japan:
Name
°F
+72°F
+73°F
+73°F
+82°F
+82°F
+81°F
+79°F
+84°F
+86°F
+86°F
+70°F
+75°F
+77°F
+75°F
+70°F
24 Hours Forecast
Hakone
Local time: 11:59
September 18, friday
1200
75°F
SW
22 mph
1500
75°F
SW
21 mph
1800
72°F
SW
21 mph
2100
72°F
SW
18 mph
September 19, saturday
0000
70°F
S
17 mph
0300
70°F
S
15 mph
0600
72°F
S
14 mph
0900
72°F
S
15 mph
Units of measurement: °C / °F