Measurements:
°C
°F
CURRENT WEATHER
02:19
Hakone
60°F
S 11 mph
Feels like: 58°F
Precip: 100%
World Resorts Japan Hakone Weather

7 Day Weather Forecast

04.27
mon
DAY
62°F
NE 4 mph
precip
100%
NIGHT
60°F
NE 6 mph
precip
0%
04.28
tue
DAY
68°F
N 11 mph
precip
63%
NIGHT
66°F
NE 12 mph
precip
0%
04.29
wed
DAY
70°F
N 5 mph
precip
0%
NIGHT
58°F
SW 13 mph
precip
100%
04.30
thu
DAY
58°F
SW 7 mph
precip
87%
NIGHT
56°F
S 6 mph
precip
100%
05.01
fri
DAY
56°F
S 11 mph
precip
100%
NIGHT
54°F
NE 1 mph
precip
0%
05.02
sat
DAY
68°F
N 12 mph
precip
0%
NIGHT
60°F
SE 5 mph
precip
0%
05.03
sun
DAY
74°F
N 4 mph
precip
0%
NIGHT
64°F
NE 11 mph
precip
71%

Hakone Sea Water Temperature in April, °F

Select Year: 2026 2025 2024

The average sea surface temperature in April 2026 for Hakone was 16.5°F. The maximum and minimum values were 14.8°F and 18.5°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