Measurements:
°C
°F
Hakone
82°F
NW 6 mph
Feels like: 86°F
Precip: 29%
World Resorts Japan Hakone Weather

7 Day Weather Forecast

07.27
mon
DAY
82°F
NW 6 mph
precip
29%
NIGHT
78°F
W 3 mph
precip
32%
07.28
tue
DAY
84°F
N 7 mph
precip
21%
NIGHT
78°F
S 1 mph
precip
16%
07.29
wed
DAY
88°F
N 9 mph
precip
13%
NIGHT
80°F
SW 4 mph
precip
17%
07.30
thu
DAY
86°F
N 5 mph
precip
31%
NIGHT
80°F
NW 4 mph
precip
40%
07.31
fri
DAY
84°F
NW 4 mph
precip
38%
NIGHT
80°F
SW 2 mph
precip
36%
08.01
sat
DAY
84°F
NW 4 mph
precip
44%
NIGHT
80°F
SW 6 mph
precip
54%
08.02
sun
DAY
86°F
W 4 mph
precip
26%
NIGHT
78°F
SW 4 mph
precip
51%

Hakone Sea Water Temperature in July, °F

Select Year: 2026 2025 2024

The average sea surface temperature in July 2026 for Hakone was 25.3°F. The maximum and minimum values were 22.8°F and 27.9°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 88.0 °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