21.07
tue
tue
Day
88°F
N 8 mph
Precip.
33%
33%
Night
77°F
SE 5 mph
Precip.
14%
14%
22.07
wed
wed
Day
88°F
N 7 mph
Precip.
20%
20%
Night
79°F
E 5 mph
Precip.
13%
13%
23.07
thu
thu
Day
88°F
N 6 mph
Precip.
19%
19%
Night
77°F
S 3 mph
Precip.
68%
68%
24.07
fri
fri
Day
84°F
NW 3 mph
Precip.
60%
60%
Night
75°F
SE 1 mph
Precip.
45%
45%
25.07
sat
sat
Day
81°F
NW 3 mph
Precip.
45%
45%
Night
75°F
NW 2 mph
Precip.
47%
47%
26.07
sun
sun
Day
79°F
NW 4 mph
Precip.
37%
37%
Night
77°F
NE 5 mph
Precip.
21%
21%
27.07
mon
mon
Day
84°F
N 6 mph
Precip.
7%
7%
Night
77°F
S 4 mph
Precip.
78%
78%
Sea water temperature in July, °F
Show year:
2026
2025
2024
The average sea water temperature in July of 2026 was 76.5°F. The highest and lowest sea temperatures during the month were 82.0°F and 73.0°F.
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 80.9°F. The highest and lowest sea temperatures during the month were 82.8°F and 79.9°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: 22:14
July 22, wednesday
0000
77°F
SE
5 mph
5 mph
0300
77°F
E
4 mph
4 mph
0600
79°F
E
2 mph
2 mph
0900
86°F
N
4 mph
4 mph
1200
88°F
N
7 mph
7 mph
1500
88°F
N
6 mph
6 mph
1800
84°F
NE
5 mph
5 mph
2100
79°F
E
6 mph
6 mph
