Measurements:
°C
°F
CURRENT WEATHER
21:32
Hakone
82°F
N 4 mph
Feels like: 86°F
Precip: 20%
World Resorts Japan Hakone Weather

7 Day Weather Forecast

08.19
wed
DAY
84°F
N 7 mph
precip
6%
NIGHT
80°F
E 3 mph
precip
10%
08.20
thu
DAY
84°F
N 6 mph
precip
18%
NIGHT
80°F
NE 5 mph
precip
10%
08.21
fri
DAY
84°F
N 12 mph
precip
20%
NIGHT
82°F
E 4 mph
precip
19%
08.22
sat
DAY
84°F
N 6 mph
precip
38%
NIGHT
80°F
SE 6 mph
precip
64%
08.23
sun
DAY
84°F
NW 4 mph
precip
42%
NIGHT
80°F
E 4 mph
precip
22%
08.24
mon
DAY
84°F
N 11 mph
precip
27%
NIGHT
80°F
E 5 mph
precip
10%
08.25
tue
DAY
86°F
NW 4 mph
precip
19%
NIGHT
82°F
S 6 mph
precip
28%

Hakone Sea Water Temperature in August, °F

Select Year: 2026 2025 2024

The average sea surface temperature in August 2026 for Hakone was 27.3°F. The maximum and minimum values were 26.7°F and 27.8°F respectively.

Hakone on the Weather Map

Best Time to Visit Hakone
The most sunny months:
January 17 days
December 17 days
November 13 days
The most warm months:
August 91.2 °F
July 88.1 °F
September 84.8 °F
Warmest sea temperature:
August 83.8 °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
August 7 days
September 7 days
The most windy months:
April 8 mph
March 8 mph
October 7 mph
more details