18.07
sat
sat
Day
81°F
N 6 mph
Precip.
18%
18%
Night
75°F
N 4 mph
Precip.
23%
23%
19.07
sun
sun
Day
82°F
N 9 mph
Precip.
9%
9%
Night
77°F
E 5 mph
Precip.
16%
16%
20.07
mon
mon
Day
86°F
N 8 mph
Precip.
6%
6%
Night
77°F
E 6 mph
Precip.
13%
13%
21.07
tue
tue
Day
86°F
N 9 mph
Precip.
16%
16%
Night
77°F
E 5 mph
Precip.
45%
45%
22.07
wed
wed
Day
88°F
N 8 mph
Precip.
36%
36%
Night
75°F
SE 4 mph
Precip.
14%
14%
23.07
thu
thu
Day
82°F
W 4 mph
Precip.
19%
19%
Night
77°F
W 5 mph
Precip.
51%
51%
24.07
fri
fri
Day
81°F
NW 4 mph
Precip.
21%
21%
Night
75°F
N 2 mph
Precip.
29%
29%
25.07
sat
sat
Day
82°F
N 8 mph
Precip.
18%
18%
Night
77°F
N 2 mph
Precip.
38%
38%
26.07
sun
sun
Day
82°F
N 6 mph
Precip.
63%
63%
Night
75°F
W 1 mph
Precip.
75%
75%
27.07
mon
mon
Day
77°F
NW 9 mph
Precip.
65%
65%
Night
75°F
NW 2 mph
Precip.
52%
52%
28.07
tue
tue
Day
82°F
W 9 mph
Precip.
50%
50%
Night
75°F
SW 11 mph
Precip.
65%
65%
29.07
wed
wed
Day
75°F
SW 11 mph
Precip.
77%
77%
Night
75°F
SW 19 mph
Precip.
75%
75%
30.07
thu
thu
Day
77°F
W 21 mph
Precip.
90%
90%
Night
79°F
W 25 mph
Precip.
87%
87%
31.07
fri
fri
Day
77°F
NW 20 mph
Precip.
90%
90%
Night
77°F
NW 22 mph
Precip.
95%
95%
Sea water temperature in July, °F
Show year:
2026
2025
2024
The average sea water temperature in July of 2026 was 75.8°F. The highest and lowest sea temperatures during the month were 78.4°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: 17:40
July 18, saturday
1800
79°F
N
6 mph
6 mph
2100
77°F
N
4 mph
4 mph
July 19, sunday
0000
75°F
N
4 mph
4 mph
0300
75°F
NE
4 mph
4 mph
0600
77°F
NE
2 mph
2 mph
0900
82°F
N
6 mph
6 mph
1200
82°F
N
9 mph
9 mph
1500
82°F
N
9 mph
9 mph
