World Resorts Japan Hakone Weather

Hakone Sea Temperature in April

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:
2025
2024
2023

The average sea water temperature in April of 2025 was 61.1°F. The highest and lowest sea temperatures during the month were 63.7°F and 58.6°F.

Monthly sea water temperature in Hakone, °F

Which Japan resorts have warmest sea in April?

Place name April 2025 April 2024
Okinawa 71.5°F 73.4°F
Nagasaki 61.4°F 63.0°F
Hakone 61.1°F 62.2°F
Kamakura 61.1°F 62.1°F
Atami 60.9°F 62.4°F
Yokohama 59.6°F 60.5°F
Tokyo 59.1°F 60.3°F
Fukuoka 58.6°F 60.0°F
Nagoya 58.4°F 60.0°F
Osaka 57.6°F 58.7°F
Kyoto 57.4°F 57.8°F
Nara 57.4°F 58.4°F
Hiroshima 57.2°F 58.5°F
Kobe 56.5°F 57.7°F
Sapporo 44.9°F 44.7°F
Noboribetsu 42.1°F 41.7°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: 04:30
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