Monthly climate guide
Hakone weather in December
December in Hakone is typically cool, with average daytime highs around 12°C (53°F) and night-time lows near 7°C (44°F). The month usually brings about 75 mm of rain (some rain) and is a mix of sun and cloud. Daytime highs are 5°C cooler than November and 3°C warmer than January.
What stands out in December
- Skies are at their clearest this time of year.
- Rain is well below Hakone's usual level (around 53% less).
- There's little difference between day and night (around 5°C).
- Only 2 months are cooler in Hakone than December.
Avg high
12°C
53°F
Avg low
7°C
44°F
Rainfall
75 mm
some rain
Humidity
71%
relative
Sky
48%
cloud · a mix of sun and cloud
Hakone weather by month
Show the monthly averages as a table
| Month | Avg high | Avg low | Rain | Humidity | Cloud cover |
|---|---|---|---|---|---|
| January | 9°C / 48°F | 4°C / 39°F | 61 mm | 69% | 43% |
| February | 10°C / 50°F | 4°C / 39°F | 91 mm | 70% | 57% |
| March | 13°C / 55°F | 7°C / 44°F | 137 mm | 73% | 59% |
| April | 17°C / 62°F | 10°C / 51°F | 181 mm | 76% | 64% |
| May | 21°C / 70°F | 15°C / 59°F | 171 mm | 79% | 66% |
| June | 23°C / 74°F | 19°C / 66°F | 227 mm | 85% | 82% |
| July | 27°C / 81°F | 23°C / 73°F | 245 mm | 87% | 77% |
| August | 29°C / 84°F | 24°C / 75°F | 136 mm | 84% | 66% |
| September | 26°C / 79°F | 21°C / 70°F | 257 mm | 82% | 73% |
| October | 21°C / 70°F | 16°C / 61°F | 223 mm | 79% | 68% |
| November | 17°C / 62°F | 12°C / 53°F | 106 mm | 75% | 56% |
| December | 12°C / 53°F | 7°C / 44°F | 75 mm | 71% | 48% |
What to pack for December
- A warm sweater or fleece for layering
- A mid-weight jacket
- A compact umbrella or packable rain jacket
- Water-resistant shoes
Is December a good time to visit Hakone?
Compare the months in the chart above to find your ideal window.
Best time to visit Hakone →Other Japan cities in December
Cite or embed this data
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Hakone weather in December. WeatherCompare, 2026 (NASA POWER / ERA5, 2011–2020 monthly averages). https://weathercompare.eu/weather/japan/hakone/december
<a href="https://weathercompare.eu/weather/japan/hakone/december">Hakone weather in December</a> (WeatherCompare)
<iframe src="https://weathercompare.eu/embed/japan/hakone" width="300" height="160" style="border:0;border-radius:12px" loading="lazy" title="Hakone weather in December"></iframe> <p style="font-size:12px"><a href="https://weathercompare.eu/weather/japan/hakone/december">Hakone weather in December</a> – WeatherCompare</p>
Hakone in December: quick answers
Is December a good time to visit Hakone?
December is cool in Hakone, with highs around 12°C. Better for museums and city walks than the beach, and usually quieter.
How warm is Hakone in December?
Average highs are about 12°C (53°F) and average lows about 7°C (44°F), based on 10 years of daily data.
Does it rain a lot in Hakone in December?
Hakone typically gets around 75 mm of rain in December — some rain.
Figures are long-term averages for the area around Hakone (NASA POWER / ERA5, 2011–2020), not a forecast for a specific year. For upcoming days, see the live multi-source forecast.