Measurements:
°C
°F
Hakone
36°F
SW 4 mph
Feels like: 32°F
Precip: 0%
World Resorts Japan Hakone Weather

7 Day Weather Forecast

01.31
sat
DAY
40°F
N 7 mph
precip
0%
NIGHT
38°F
S 6 mph
precip
0%
02.01
sun
DAY
44°F
NE 7 mph
precip
0%
NIGHT
38°F
SE 2 mph
precip
0%
02.02
mon
DAY
44°F
N 6 mph
precip
0%
NIGHT
40°F
S 1 mph
precip
100%
02.03
tue
DAY
44°F
N 4 mph
precip
0%
NIGHT
42°F
S 1 mph
precip
0%
02.04
wed
DAY
46°F
N 4 mph
precip
0%
NIGHT
40°F
SE 3 mph
precip
0%
02.05
thu
DAY
54°F
NE 9 mph
precip
0%
NIGHT
42°F
SE 3 mph
precip
0%
02.06
fri
DAY
52°F
N 6 mph
precip
0%
NIGHT
48°F
E 6 mph
precip
0%

Hakone Sea Water Temperature in January, °F

Select Year: 2026 2025 2024

The average sea surface temperature in January 2026 for Hakone was 15.9°F. The maximum and minimum values were 14.5°F and 17.7°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
April 7 days
The most windy months:
April 8 mph
March 8 mph
October 7 mph