Measurements:
°C
°F
CURRENT WEATHER
14:25
Hakone
78°F
NE 7 mph
Feels like: 82°F
Precip: 0%
World Resorts Japan Hakone Weather

7 Day Weather Forecast

05.20
wed
DAY
78°F
N 7 mph
precip
0%
NIGHT
70°F
NE 6 mph
precip
100%
05.21
thu
DAY
64°F
SW 11 mph
precip
100%
NIGHT
62°F
S 9 mph
precip
100%
05.22
fri
DAY
64°F
S 17 mph
precip
89%
NIGHT
62°F
S 16 mph
precip
100%
05.23
sat
DAY
70°F
S 14 mph
precip
0%
NIGHT
66°F
S 7 mph
precip
100%
05.24
sun
DAY
70°F
NE 0 mph
precip
100%
NIGHT
64°F
S 4 mph
precip
0%
05.25
mon
DAY
76°F
N 6 mph
precip
100%
NIGHT
64°F
E 5 mph
precip
0%
05.26
tue
DAY
80°F
N 6 mph
precip
0%
NIGHT
68°F
E 3 mph
precip
0%

Hakone Sea Water Temperature in May, °F

Select Year: 2026 2025 2024

The average sea surface temperature in May 2026 for Hakone was 19.1°F. The maximum and minimum values were 18.4°F and 19.9°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 88.3 °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
more details