Hakone weather in October

October in Hakone: nice, soaked, with clean air — fine if you can take 15 rainy days.
#6 of 12 months in Hakone · #546 of 897 destinations to visit in October · comfort 74/100 (tier B)
Updated June 2026 · climate normals from ERA5 reanalysis
Traveller notes on Hakone in October
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Hakone climate normals — October
| Daytime high | 17°C / 63°F | 😎 nice |
|---|---|---|
| Nighttime low | 11°C / 52°F | |
| Rainfall | 263 mm / 10.4 in | ⛈ soaked |
| Rainy days | 15 days | |
| Humidity | 79% | 💦 very humid |
| Dew point | 10°C / 50°F | |
| Sunshine | 7.3 h/day | |
| Daylight | 11.3 h | |
| Wind | 10 km/h / 6 mph | |
| Air quality (US AQI) | 43 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Hakone in October — FAQ
- Is October a good time to visit Hakone?
- October in Hakone: nice, soaked, with clean air — fine if you can take 15 rainy days. It ranks #6 of 12 months for Hakone on SeasonMap's comfort score (74/100).
- What is the weather like in Hakone in October?
- In October, Hakone averages a daily high of 17.1°C and a low of 11.3°C, with about 263.1 mm of rain over roughly 15.2 rainy days.
- What is the air quality in Hakone in October?
- Hakone has a mean US Air Quality Index of about 43 in October.