World Resorts Japan Hakone Weather

Hakone Sea Temperature in May

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:
2025
2024
2023

The average sea water temperature in May of 2025 was 65.5°F. The highest and lowest sea temperatures during the month were 68.2°F and 62.4°F.

Monthly sea water temperature in Hakone, °F

Which Japan resorts have warmest sea in May?

Place name May 2025 May 2024
Okinawa 76.2°F 76.7°F
Tokyo 66.8°F 67.9°F
Yokohama 66.1°F 67.2°F
Nagasaki 66.0°F 67.0°F
Nagoya 65.9°F 66.7°F
Kamakura 65.7°F 66.9°F
Hakone 65.5°F 66.9°F
Atami 65.3°F 67.0°F
Osaka 65.1°F 64.6°F
Nara 64.9°F 64.8°F
Kyoto 64.8°F 65.2°F
Fukuoka 64.7°F 66.8°F
Kobe 64.1°F 63.6°F
Hiroshima 62.9°F 63.2°F
Sapporo 52.4°F 52.7°F
Noboribetsu 48.5°F 49.3°F

Best time for vacation in Hakone

Sunniest months:
January 17 days
December 17 days
November 13 days
Warmest months:
August 87.1 °F
July 84.5 °F
September 81.3 °F
Warmest sea temp:
August 80.4 °F
September 78.5 °F
July 76.8 °F
Coldest months:
January 48.9 °F
February 49.7 °F
December 53.8 °F
Rainiest months:
July 8 days
August 7 days
April 7 days
Windiest months:
April 8.6 mph
March 8.5 mph
October 8.0 mph

Hakone on a weather map

Hakone
+46°F
S 16 mph
Feels like: +39°F
Precip.: 0%
Places in Japan:
Name
°F
+45°F
+46°F
+48°F
+50°F
+50°F
+54°F
+50°F
+28°F
+64°F
+50°F
+19°F
+43°F
+50°F
+46°F
+46°F
24 Hours Forecast
Hakone
Local time: 04:29
February 26, thursday
0600
46°F
S
16 mph
0900
50°F
S
14 mph
1200
57°F
SW
14 mph
1500
59°F
SW
12 mph
1800
55°F
S
11 mph
2100
52°F
S
12 mph
February 27, friday
0000
50°F
S
9 mph
0300
50°F
S
9 mph
Units of measurement: °C / °F