Nagasaki · AutumnMonth summary
Nagasaki weather in October
✅ Good
🌡️ Temperature min / max
18°C – 23°C
🌧 Rainy days
27% of days
☀️ Sunshine
10.0h per day on average
🌊 🌊 Season
Autumn
⭐ ⭐ Weather score
7.7/10
📅 📅 Best month
October (7.7/10)
Quick decision
Should you visit Nagasaki in October?
✅ Good
✅ Yes if: you want shoulder-season value — fewer crowds, 23°C.
❌ No if: you need maximum sunshine — some overcast days are possible.
Our take: October is a good time to visit Nagasaki. October remains slightly better (+0.0 pts).
By trip type
Nagasaki in October by trip type
- 🏙️ 🏙️ City break / culture : ✅ Good
- 🚶 🚶 Outdoor activities : ✅ Good
- 🏖️ Beach / swimming : ⚠️ Possible
- 💰 💰 Budget : 💸 Peak season
Local context
What to expect in October
🎯 One of the best months — 23°C, maximum sunshine and ideal conditions Autumn in Nagasaki is often underrated: 23°C, golden light and declining crowds. An interesting window. Expect rain on 27% of days — a light raincoat in the bag is recommended. A good balance between weather and crowds, even if October (7.7/10) remains theoretically better.
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All months for Nagasaki
Annual table
Month-by-month comparison
| Month | Min °C | Max °C | Rain % | Precip mm | Sun h/d | Score |
|---|---|---|---|---|---|---|
| 🌫️ January | 5°C | 11°C | 29% | 2.3 | 7.6h | 5.0/10 |
| 🌦️ February | 5°C | 11°C | 35% | 3.6 | 8.9h | 4.9/10 |
| ⛅ March | 8°C | 15°C | 38% | 5.3 | 10.0h | 6.3/10 |
| 🌤️ April | 12°C | 19°C | 35% | 5.8 | 10.7h | 7.2/10 |
| 🌤️ May | 16°C | 23°C | 35% | 8.0 | 10.2h | 7.5/10 |
| 🌤️ June | 20°C | 26°C | 53% | 11.8 | 8.8h | 7.3/10 |
| 🌤️ July | 25°C | 29°C | 58% | 11.1 | 11.6h | 7.4/10 |
| 🌤️ August | 26°C | 31°C | 49% | 7.8 | 12.6h | 7.4/10 |
| 🌤️ September | 23°C | 28°C | 51% | 7.1 | 10.4h | 7.6/10 |
| 🌤️ October | 18°C | 23°C | 27% | 3.6 | 10.0h | 7.7/10 |
| 🌤️ November | 12°C | 18°C | 29% | 3.1 | 9.4h | 7.1/10 |
| ⛅ December | 6°C | 12°C | 28% | 2.6 | 7.7h | 5.3/10 |
Ideal
Fair
Challenging climate
◀ Current month · Source Open-Meteo · 10 years
📊 Data source
Data based on 10 years of ERA5 records via Open-Meteo, with ECMWF seasonal adjustment. In October, Nagasaki averages 23°C, 27% rainy days and 10.0h of sunshine per day. Overall weather score: 7.7/10.
See methodology →
Comparison
October vs October (best month)
The best month is October (score 7.7/10). Difference:
- 🌡️ Max temperature : +0°C
- 🌧 Rainy days : +0%
- ☀️ Sunshine : +0.0h/day
FAQ
FAQ — Nagasaki in October
Is October a good time to visit Nagasaki?
October is an excellent time to visit Nagasaki (score 7.7/10). With 23°C, 10.0h of sunshine and 27% rain, conditions are very favourable.
What to do in Nagasaki in October?
With 23°C max and 10.0h of sunshine, focus on cultural sites, museums and local gastronomy.
Accommodation
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Activities & tours
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