Measurements:
°C
°F
Hakone
78°F
NE 14 mph
Feels like: 82°F
Precip: 17%
World Resorts Japan Hakone Weather

7 Day Weather Forecast

10.19
mon
DAY
80°F
NE 15 mph
precip
11%
NIGHT
74°F
E 7 mph
precip
20%
10.20
tue
DAY
82°F
NE 12 mph
precip
17%
NIGHT
76°F
E 1 mph
precip
11%
10.21
wed
DAY
80°F
NE 24 mph
precip
9%
NIGHT
76°F
E 7 mph
precip
7%
10.22
thu
DAY
72°F
W 17 mph
precip
16%
NIGHT
66°F
SW 16 mph
precip
15%
10.23
fri
DAY
68°F
SW 11 mph
precip
11%
NIGHT
64°F
S 9 mph
precip
14%
10.24
sat
DAY
70°F
W 2 mph
precip
13%
NIGHT
70°F
SE 2 mph
precip
27%
10.25
sun
DAY
76°F
NW 3 mph
precip
3%
NIGHT
72°F
NE 8 mph
precip
24%

Hakone Sea Water Temperature in October, °F

Select Year: 2026 2025 2024

The average sea surface temperature in October 2026 for Hakone was 23.9°F. The maximum and minimum values were 23.0°F and 24.8°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 84.3 °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