Nagasaki weather in October
October in Nagasaki: nice, a little rain, with clean air — one of the best months to visit.
#1 of 12 months in Nagasaki · #136 of 897 destinations to visit in October · comfort 89/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
Traveller notes on Nagasaki in October
No notes yet. Open Nagasaki on the map to add the first one.
Nagasaki climate normals — October
| Daytime high | 23°C / 73°F | 😎 nice |
|---|---|---|
| Nighttime low | 19°C / 65°F | |
| Rainfall | 69 mm / 2.7 in | 🌦 some rain |
| Rainy days | 6 days | |
| Humidity | 68% | 💧 humid |
| Dew point | 14°C / 57°F | |
| Sunshine | 8.9 h/day | |
| Daylight | 11.4 h | |
| Wind | 21 km/h / 13 mph | |
| Air quality (US AQI) | 43 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Where is Nagasaki?
Loading map…
Nagasaki in October — FAQ
- Is October a good time to visit Nagasaki?
- October in Nagasaki: nice, a little rain, with clean air — one of the best months to visit. It ranks #1 of 12 months for Nagasaki on SeasonMap's comfort score (89/100).
- What is the weather like in Nagasaki in October?
- In October, Nagasaki averages a daily high of 22.6°C and a low of 18.5°C, with about 68.7 mm of rain over roughly 6 rainy days.
- What is the air quality in Nagasaki in October?
- Nagasaki has a mean US Air Quality Index of about 43 in October.