19.05
tue
tue
Day
75°F
N 11 mph
Precip.
0%
0%
Night
66°F
E 7 mph
Precip.
0%
0%
20.05
wed
wed
Day
75°F
N 7 mph
Precip.
0%
0%
Night
68°F
NE 6 mph
Precip.
100%
100%
21.05
thu
thu
Day
63°F
SW 11 mph
Precip.
100%
100%
Night
61°F
S 9 mph
Precip.
100%
100%
22.05
fri
fri
Day
63°F
S 17 mph
Precip.
89%
89%
Night
61°F
S 16 mph
Precip.
100%
100%
23.05
sat
sat
Day
68°F
S 14 mph
Precip.
0%
0%
Night
64°F
S 7 mph
Precip.
100%
100%
24.05
sun
sun
Day
68°F
NE 0 mph
Precip.
100%
100%
Night
63°F
S 4 mph
Precip.
0%
0%
25.05
mon
mon
Day
73°F
N 6 mph
Precip.
100%
100%
Night
63°F
E 5 mph
Precip.
0%
0%
Sea water temperature in May, °F
Show year:
2026
2025
2024
The average sea water temperature in May of 2026 was 66.3°F. The highest and lowest sea temperatures during the month were 67.8°F and 65.1°F.
Sea water temperature in June, °F
Show year:
2025
2024
2023
The average sea water temperature in June of 2025 was 72.7°F. The highest and lowest sea temperatures during the month were 78.1°F and 68.2°F.
Air temperature in Hakone, °F
Precipitation total in Hakone, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Hakone
Hakone on a weather map
Places in Japan:
Name
°F
24 Hours Forecast
Hakone
Local time: 22:41
May 20, wednesday
0000
66°F
E
7 mph
7 mph
0300
64°F
E
7 mph
7 mph
0600
66°F
E
6 mph
6 mph
0900
73°F
N
6 mph
6 mph
1200
75°F
N
7 mph
7 mph
1500
75°F
NE
7 mph
7 mph
1800
72°F
NE
8 mph
8 mph
2100
70°F
E
7 mph
7 mph
