World Resorts Japan Hakone Weather

Hakone weather in December

Weather in Hakone: December

Average day temperature: 54.0°F
Average night temperature: 45.1°F
Sea water temperature: 64.2°F
Number of sunny days: 17 days
Day length: 9.8 - 10.0 hours
Number of rainy days: 3 days
Precipitation totals: 2.4 in.

Air temperature in December, °F

Show year:
2023
2022
2021

The highest day temperature during December of 2023 was 68°F. At the same time the lowest night temperature was 37°F. Day and night temperature averages during December were 53.8°F and 47.9°F.

Sea water temperature in Hakone in December, °F

Show year:
2024
2023
2022

The average sea water temperature in December of 2023 was 63.5°F. The highest and lowest sea temperatures during the month were 65.5°F and 61.2°F.

Sunny, partly cloudy and cloudy days

Mostly all days in December are sunny but cloudy days are also possible.

Precipitation total in December, in.

Precipitation total value in Hakone in December is 1.9 in. Other months of the year show relatively similar values.

Wind speed in December, mph

The average wind speed value in December is 7.2 mph

Average sunny hours

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in December is: 6.5.

Best time for vacation in Hakone

Sunniest months:
January 17 days
December 17 days
May 14 days
Warmest months:
August 87.2 °F
July 84.5 °F
September 81.3 °F
Warmest sea temp:
August 80.4 °F
September 78.5 °F
July 76.5 °F
Coldest months:
January 49.1 °F
February 49.8 °F
December 54.0 °F
Rainiest months:
July 9 days
June 8 days
August 7 days
Windiest months:
April 8.6 mph
March 8.6 mph
October 8.0 mph

Hakone on a weather map

Hakone
+46°F
SE 1 mph
Feels like: +46°F
Precip.: 0%
Places in Japan:
Name
°F
+48°F
+48°F
+41°F
+45°F
+48°F
+43°F
+45°F
+23°F
+63°F
+45°F
+23°F
+45°F
+46°F
+46°F
+43°F
24 Hours Forecast
Hakone
Local time: 08:07
December 16, monday
0900
46°F
SE
1 mph
1200
50°F
N
4 mph
1500
52°F
N
6 mph
1800
50°F
SE
2 mph
2100
46°F
SE
7 mph
December 17, tuesday
0000
46°F
SE
5 mph
0300
45°F
SE
4 mph
0600
45°F
SE
3 mph
Units of measurement: °C / °F