Nature escape

Hakone weather in December

Temperature, rain and sunshine in December: long-term averages from 30 years of weather data, not a forecast.

29

Holiday weather in December

Poor

Best time to visit: May, October

What is the weather like in Hakone in December?

In December, Hakone is cold: daytime highs average 8 °C, and nights cool down to about 0 °C. Expect around 6 hours of sunshine a day. Rain falls on about 9 days, adding up to 77 mm. All in all, December is not an ideal month for a holiday in Hakone.

December compared

How the weather changes from November to January. Tap a month to open it.

NovemberNovDecemberDecJanuaryJan
Score472930
Day13°8°5°
Night5°0°−3°
Sun5 h6 h6 h
Rain days1299

More details for December

Daylight
9 h 48 min06:45 – 16:33
UV index
2 · lowclear sky, noon (estimate)All months
Muggy days
0 daysdew point 18 °C or moreAll months
Wind
9 km/haverage daily peakAll months
Cloud cover
42 %on averageAll months
Hot days
0 days30 °C or moreAll months
Snow days
1 day1 cm or more of fresh snowAll months
Time zone
UTC+9Asia/Tokyo

How the score comes together

  • Temperatureweight 50 %0 %
  • Sunshineweight 20 %45 %
  • Few rainy daysweight 30 %66 %

Each factor is rated from 0 to 100 % and weighted for the travel style “Nature escape”.

What to pack in December

  • Warm jacket
  • Rain jacket or umbrella

Hakone in December: quick answers

Is Hakone hot in December?

No. In December, Hakone is cold: daytime highs average 8 °C and nights drop to about 0 °C.

Does it rain much in Hakone in December?

Rain falls on about 9 days, adding up to 77 mm.

Hakone month by month

Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences