Nagasaki · SummerMonth summary
Nagasaki weather in August
✅ Good
🌡️ Temperature min / max
79°F – 88°F
🌧 Rainy days
49% of days
☀️ Sunshine
12.6h per day on average
🌊 🌊 Season
Summer
⭐ ⭐ Weather score
7.4/10
📅 📅 Best month
October (7.7/10)
Quick decision
Should you visit Nagasaki in August?
✅ Good
✅ Yes if: you want to explore cultural sites and local food.
❌ No if: you need guaranteed sunshine for photos or outdoor activities.
Our take: Nagasaki in August: 88°F and 12.6h of sunshine. Decent, but not the peak.
By trip type
Nagasaki in August by trip type
- 🏙️ 🏙️ City break / culture : ✅ Good
- 🚶 🚶 Outdoor activities : ⚠️ Possible
- 🏖️ Beach / swimming : ⚠️ Possible
- 💰 💰 Budget : 💸 Peak season
Local context
What to expect in August
In the height of summer, Nagasaki sees high temperatures (31°F). Heat is a factor for outdoor activities. With 49% of rainy days, always have indoor alternatives planned. Not the best window, but acceptable if dates are constrained. October (7.7/10) is significantly better if possible.
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All months for Nagasaki
Annual table
Month-by-month comparison
| Month | Min °F | Max °F | Rain % | Precip in | Sun h/d | Score |
|---|---|---|---|---|---|---|
| 🌫️ January | 41°F | 52°F | 29% | 0.1in | 7.6h | 5.0/10 |
| 🌦️ February | 41°F | 52°F | 35% | 0.1in | 8.9h | 4.9/10 |
| ⛅ March | 46°F | 59°F | 38% | 0.2in | 10.0h | 6.3/10 |
| 🌤️ April | 54°F | 66°F | 35% | 0.2in | 10.7h | 7.2/10 |
| 🌤️ May | 61°F | 73°F | 35% | 0.3in | 10.2h | 7.5/10 |
| 🌤️ June | 68°F | 79°F | 53% | 0.5in | 8.8h | 7.3/10 |
| 🌤️ July | 77°F | 84°F | 58% | 0.4in | 11.6h | 7.4/10 |
| 🌤️ August | 79°F | 88°F | 49% | 0.3in | 12.6h | 7.4/10 |
| 🌤️ September | 73°F | 82°F | 51% | 0.3in | 10.4h | 7.6/10 |
| 🌤️ October | 64°F | 73°F | 27% | 0.1in | 10.0h | 7.7/10 |
| 🌤️ November | 54°F | 64°F | 29% | 0.1in | 9.4h | 7.1/10 |
| ⛅ December | 43°F | 54°F | 28% | 0.1in | 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 August, Nagasaki averages 88°F, 49% rainy days and 12.6h of sunshine per day. Overall weather score: 7.4/10.
See methodology →
Comparison
August vs October (best month)
The best month is October (score 7.7/10). Difference:
- 🌡️ Max temperature : -8°F
- 🌧 Rainy days : -22%
- ☀️ Sunshine : -2.6h/day
FAQ
FAQ — Nagasaki in August
Is August a good time to visit Nagasaki?
August is an acceptable time for Nagasaki (score 7.4/10). Conditions are decent but not optimal — consider October (7.7/10) if possible.
What to do in Nagasaki in August?
With 88°F max and 12.6h of sunshine, focus on cultural sites, museums and local gastronomy.
Accommodation
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Activities and tours in Nagasaki
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