World Resorts Japan Hakone Weather

Hakone 7 Days Forecast

26.12
fri
Day
50°F
SE 11 mph
Precip.
0%
Night
39°F
W 4 mph
Precip.
77%
27.12
sat
Day
41°F
NW 3 mph
Precip.
69%
Night
39°F
S 5 mph
Precip.
0%
28.12
sun
Day
46°F
N 2 mph
Precip.
0%
Night
39°F
SE 7 mph
Precip.
0%
29.12
mon
Day
52°F
N 2 mph
Precip.
0%
Night
43°F
E 10 mph
Precip.
0%
30.12
tue
Day
54°F
NW 2 mph
Precip.
0%
Night
46°F
SE 3 mph
Precip.
0%
31.12
wed
Day
50°F
NE 7 mph
Precip.
0%
Night
45°F
SW 11 mph
Precip.
0%
01.01
thu
Day
46°F
NW 4 mph
Precip.
0%
Night
43°F
SE 3 mph
Precip.
0%

Sea water temperature in December, °F

Show year:
2025
2024
2023

The average sea water temperature in December of 2025 was 65.8°F. The highest and lowest sea temperatures during the month were 68.9°F and 64.0°F.

Sea water temperature in January, °F

Show year:
2025
2024
2023

The average sea water temperature in January of 2025 was 61.0°F. The highest and lowest sea temperatures during the month were 62.6°F and 59.9°F.

Air temperature in Hakone, °F

Precipitation total in Hakone, in.

* Charts above show average data for the last 3 years.

Best time for vacation in Hakone

Sunniest months:
January 17 days
December 17 days
November 13 days
Warmest months:
August 87.1 °F
July 84.5 °F
September 81.3 °F
Warmest sea temp:
August 80.4 °F
September 78.5 °F
July 76.8 °F
Coldest months:
January 49.0 °F
February 49.7 °F
December 53.9 °F
Rainiest months:
July 8 days
August 7 days
April 7 days
Windiest months:
April 8.6 mph
March 8.5 mph
October 8.0 mph

Hakone on a weather map

Hakone
+48°F
SE 13 mph
Feels like: +43°F
Precip.: 0%
Places in Japan:
Name
°F
+50°F
+52°F
+36°F
+37°F
+39°F
+43°F
+36°F
+32°F
+59°F
+39°F
+30°F
+48°F
+36°F
+48°F
+36°F
24 Hours Forecast
Hakone
Local time: 08:44
December 26, friday
0900
48°F
SE
13 mph
1200
50°F
SE
11 mph
1500
48°F
SW
8 mph
1800
43°F
W
8 mph
2100
41°F
W
7 mph
December 27, saturday
0000
39°F
W
4 mph
0300
39°F
SW
4 mph
0600
37°F
SW
4 mph
Units of measurement: °C / °F