Measurements:
°C
°F
CURRENT WEATHER
05:30
Hakone
84°F
NE 16 mph
Feels like: 90°F
Precip: 10%
World Resorts Japan Hakone Weather

14 Day Weather Forecast

09.09
wed
DAY
84°F
E 11 mph
precip
31%
NIGHT
72°F
S 12 mph
precip
77%
09.10
thu
DAY
74°F
S 12 mph
precip
34%
NIGHT
72°F
SW 7 mph
precip
36%
09.11
fri
DAY
72°F
SW 6 mph
precip
41%
NIGHT
72°F
S 4 mph
precip
27%
09.12
sat
DAY
78°F
SW 6 mph
precip
12%
NIGHT
78°F
S 4 mph
precip
11%
09.13
sun
DAY
80°F
SW 10 mph
precip
12%
NIGHT
78°F
S 4 mph
precip
23%
09.14
mon
DAY
84°F
N 11 mph
precip
8%
NIGHT
80°F
E 3 mph
precip
22%
09.15
tue
DAY
82°F
N 10 mph
precip
22%
NIGHT
80°F
NE 7 mph
precip
45%
09.16
wed
DAY
84°F
NW 6 mph
precip
41%
NIGHT
74°F
SW 12 mph
precip
45%
09.17
thu
DAY
72°F
S 11 mph
precip
88%
NIGHT
70°F
S 16 mph
precip
73%
09.18
fri
DAY
70°F
S 16 mph
precip
46%
NIGHT
68°F
S 14 mph
precip
17%
09.19
sat
DAY
76°F
SW 16 mph
precip
4%
NIGHT
74°F
S 14 mph
precip
21%
09.20
sun
DAY
70°F
S 16 mph
precip
32%
NIGHT
68°F
S 12 mph
precip
10%
09.21
mon
DAY
76°F
S 24 mph
precip
11%
NIGHT
68°F
S 19 mph
precip
18%
09.22
tue
DAY
76°F
N 14 mph
precip
2%
NIGHT
74°F
E 4 mph
precip
17%

Hakone Sea Water Temperature in September, °F

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Hakone was 82.7°F. The maximum and minimum values were 78.6°F and 85.4°F respectively.

Hakone on the Weather Map

Best Time to Visit Hakone
The most sunny months:
January 17 days
December 17 days
May 13 days
The most warm months:
August 90.8 °F
July 88.1 °F
September 84.8 °F
Warmest sea temperature:
August 83.9 °F
September 81.7 °F
July 79.8 °F
The most cold months:
January 48.7 °F
February 49.7 °F
December 54.3 °F
The most rainy months:
July 8 days
June 7 days
September 7 days
The most windy months:
April 8 mph
March 8 mph
October 7 mph
more details
Japan Resorts:
NAME
F°
Atami +78
Fukuoka +76
Hakone +84
Hiroshima +74
Kamakura +84
Kobe +78
Kyoto +78
Nagasaki +80
Nagoya +80
Nara +78
Okinawa +80
Osaka +80
Sapporo +58
Tokyo +80
Yokohama +84
all resorts
24 Hours Weather Forecast
Hakone
Local time: 05:30
09 sep, wednesday
0600 84°F
NE
16 mph
0900 86°F
NE
16 mph
1200 84°F
E
11 mph
1500 84°F
E
4 mph
1800 76°F
S
19 mph
2100 72°F
SW
20 mph
10 sep, thursday
0000 72°F
S
12 mph
0300 72°F
S
13 mph