World Resorts Japan Hakone Weather

Hakone 7 Days Forecast

11.08
tue
Day
81°F
NE 7 mph
Precip.
14%
Night
72°F
N 9 mph
Precip.
88%
12.08
wed
Day
75°F
SW 6 mph
Precip.
69%
Night
70°F
S 7 mph
Precip.
37%
13.08
thu
Day
84°F
SW 9 mph
Precip.
14%
Night
75°F
S 9 mph
Precip.
18%
14.08
fri
Day
84°F
SW 10 mph
Precip.
39%
Night
75°F
S 9 mph
Precip.
23%
15.08
sat
Day
82°F
SW 12 mph
Precip.
28%
Night
75°F
SW 11 mph
Precip.
11%
16.08
sun
Day
82°F
NW 4 mph
Precip.
7%
Night
75°F
NE 6 mph
Precip.
18%
17.08
mon
Day
82°F
N 6 mph
Precip.
13%
Night
75°F
E 3 mph
Precip.
12%

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

Sunniest months:
January 17 days
December 17 days
November 13 days
Warmest months:
August 87.1 °F
July 84.2 °F
September 81.3 °F
Warmest sea temp:
August 80.4 °F
September 78.5 °F
July 76.9 °F
Coldest months:
January 48.9 °F
February 49.7 °F
December 53.8 °F
Rainiest months:
July 8 days
August 7 days
September 7 days
Windiest months:
April 8.5 mph
March 8.5 mph
October 8.0 mph

Hakone on a weather map

Current weather
15:34
Hakone
+77°F
NE 11 mph
Feels like: +81°F
Precip.: 21%
Places in Japan:
Name
°F
Atami
+75°F
Yokohama
+81°F
Kamakura
+79°F
Kyoto
+81°F
Kobe
+84°F
Nagasaki
+88°F
Nagoya
+91°F
Noboribetsu
+77°F
Okinawa
+84°F
Osaka
+86°F
Sapporo
+81°F
Tokyo
+84°F
Fukuoka
+84°F
Hakone
+77°F
Hiroshima
+86°F
all places
24 Hours Forecast
Hakone
Local time: 15:34
August 11, tuesday
1800
77°F
E
5 mph
2100
75°F
NE
8 mph
August 12, wednesday
0000
72°F
N
9 mph
0300
72°F
NW
6 mph
0600
72°F
W
6 mph
0900
73°F
SW
7 mph
1200
75°F
SW
6 mph
1500
75°F
SW
7 mph
Units of measurement: °C / °F