Measurements:
°C
°F
Hakone
76°F
SW 8 mph
Feels like: 80°F
Precip: 17%
World Resorts Japan Hakone Weather

7 Day Weather Forecast

07.07
tue
DAY
82°F
W 7 mph
precip
5%
NIGHT
74°F
W 2 mph
precip
20%
07.08
wed
DAY
80°F
NW 4 mph
precip
7%
NIGHT
72°F
NE 2 mph
precip
13%
07.09
thu
DAY
82°F
N 7 mph
precip
9%
NIGHT
74°F
NE 4 mph
precip
20%
07.10
fri
DAY
82°F
N 7 mph
precip
7%
NIGHT
76°F
NE 6 mph
precip
17%
07.11
sat
DAY
80°F
N 9 mph
precip
18%
NIGHT
74°F
NE 6 mph
precip
13%
07.12
sun
DAY
82°F
N 9 mph
precip
9%
NIGHT
74°F
NE 4 mph
precip
19%
07.13
mon
DAY
84°F
NW 8 mph
precip
5%
NIGHT
76°F
N 4 mph
precip
18%

Hakone Sea Water Temperature in July, °F

Select Year: 2025 2024 2023

The average sea surface temperature in July 2025 for Hakone was 26.7°F. The maximum and minimum values were 25.0°F and 28.0°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 88.3 °F
September 84.8 °F
Warmest sea temperature:
August 83.8 °F
September 81.7 °F
July 79.7 °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