Hakone weather in December
December in Hakone: cold, a little rain, with clean air — a great time to visit.
#8 of 12 months in Hakone · #461 of 897 destinations to visit in December · comfort 71/100 (tier B)
Updated June 2026 · climate normals from ERA5 reanalysis
Traveller notes on Hakone in December
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Hakone climate normals — December
| Daytime high | 8°C / 47°F | 🧥 cold |
|---|---|---|
| Nighttime low | 1°C / 35°F | |
| Rainfall | 62 mm / 2.4 in | 🌦 some rain |
| Rainy days | 9 days | |
| Humidity | 72% | 💧 humid |
| Dew point | 0°C / 31°F | |
| Sunshine | 7.6 h/day | |
| Daylight | 9.8 h | |
| Wind | 10 km/h / 6 mph | |
| Snowfall | 0.9 cm / 0.4 in | |
| Air quality (US AQI) | 42 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Hakone in December — FAQ
- Is December a good time to visit Hakone?
- December in Hakone: cold, a little rain, with clean air — a great time to visit. It ranks #8 of 12 months for Hakone on SeasonMap's comfort score (71/100).
- What is the weather like in Hakone in December?
- In December, Hakone averages a daily high of 8.1°C and a low of 1.4°C, with about 61.9 mm of rain over roughly 8.8 rainy days.
- What is the air quality in Hakone in December?
- Hakone has a mean US Air Quality Index of about 42 in December.