Nikko weather in October
October in Nikko: nice, soaked, with clean air — fine if you can take 16 rainy days.
#4 of 12 months in Nikko · #495 of 897 destinations to visit in October · comfort 76/100 (tier B)
Updated June 2026 · climate normals from ERA5 reanalysis
Traveller notes on Nikko in October
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Nikko climate normals — October
| Daytime high | 18°C / 64°F | 😎 nice |
|---|---|---|
| Nighttime low | 10°C / 51°F | |
| Rainfall | 201 mm / 7.9 in | ⛈ soaked |
| Rainy days | 16 days | |
| Humidity | 80% | 💦 very humid |
| Dew point | 10°C / 49°F | |
| Sunshine | 7.3 h/day | |
| Daylight | 11.2 h | |
| Wind | 9 km/h / 6 mph | |
| Air quality (US AQI) | 32 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Nikko in October — FAQ
- Is October a good time to visit Nikko?
- October in Nikko: nice, soaked, with clean air — fine if you can take 16 rainy days. It ranks #4 of 12 months for Nikko on SeasonMap's comfort score (76/100).
- What is the weather like in Nikko in October?
- In October, Nikko averages a daily high of 17.7°C and a low of 10.3°C, with about 200.8 mm of rain over roughly 16.4 rainy days.
- What is the air quality in Nikko in October?
- Nikko has a mean US Air Quality Index of about 32 in October.