Nagasaki · SummerMonth summary
Nagasaki weather in June
✅ Good
🌡️ Temperature min / max
20°C – 26°C
🌧 Rainy days
53% of days
☀️ Sunshine
8.8h per day on average
🌊 🌊 Season
Summer
⭐ ⭐ Weather score
7.3/10
📅 📅 Best month
October (7.7/10)
Quick decision
Should you visit Nagasaki in June?
✅ Good
✅ Yes if: you're willing to accept showers in exchange for lower prices and fewer tourists.
❌ No if: you're planning 100% outdoor activities — rain is frequent.
Our take: Nagasaki in June: 26°C and 8.8h of sunshine. Decent, but not the peak.
By trip type
Nagasaki in June by trip type
- 🏙️ 🏙️ City break / culture : ✅ Good
- 🚶 🚶 Outdoor activities : ⚠️ Possible
- 🏖️ Beach / swimming : ⚠️ Possible
- 💰 💰 Budget : 🌿 Shoulder
Local context
What to expect in June
🎯 Good period — 26°C with good sunshine. Reasonable crowds Summer in Nagasaki brings pleasant temperatures (26°C) and long sunny days (8.8h of sunshine). With 53% 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 °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 June, Nagasaki averages 26°C, 53% rainy days and 8.8h of sunshine per day. Overall weather score: 7.3/10.
See methodology →
Comparison
June vs October (best month)
The best month is October (score 7.7/10). Difference:
- 🌡️ Max temperature : -3°C
- 🌧 Rainy days : -26%
- ☀️ Sunshine : +1.2h/day
FAQ
FAQ — Nagasaki in June
Is June a good time to visit Nagasaki?
June is an acceptable time for Nagasaki (score 7.3/10). Conditions are decent but not optimal — consider October (7.7/10) if possible.
Does it rain a lot in Nagasaki in June?
Yes, 53% of days see rain in June. Plan some indoor activities as backup.
Accommodation
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Activities & tours
Activities and tours in Nagasaki
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