Nagasaki · SpringMonth summary
Nagasaki weather in May
✅ Good
🌡️ Temperature min / max
61°F – 73°F
🌧 Rainy days
35% of days
☀️ Sunshine
10.2h per day on average
🌊 🌊 Season
Spring
⭐ ⭐ Weather score
7.5/10
📅 📅 Best month
October (7.7/10)
Quick decision
Should you visit Nagasaki in May?
✅ Good
✅ Yes if: you want shoulder-season value — fewer crowds, 23°F.
❌ No if: you need maximum sunshine — some overcast days are possible.
Our take: May is a good time to visit Nagasaki. October remains slightly better (+0.2 pts).
By trip type
Nagasaki in May by trip type
- 🏙️ 🏙️ City break / culture : ✅ Good
- 🚶 🚶 Outdoor activities : ✅ Good
- 🏖️ Beach / swimming : ⚠️ Possible
- 💰 💰 Budget : 💸 Peak season
Local context
What to expect in May
Spring marks the start of the good season in Nagasaki. Temperatures rise (23°F) and tourists have not yet arrived en masse. Expect rain on 35% 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 °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 May, Nagasaki averages 73°F, 35% rainy days and 10.2h of sunshine per day. Overall weather score: 7.5/10.
See methodology →
Comparison
May vs October (best month)
The best month is October (score 7.7/10). Difference:
- 🌡️ Max temperature : +0°F
- 🌧 Rainy days : -8%
- ☀️ Sunshine : -0.2h/day
FAQ
FAQ — Nagasaki in May
Is May a good time to visit Nagasaki?
May is an excellent time to visit Nagasaki (score 7.5/10). With 73°F, 10.2h of sunshine and 35% rain, conditions are very favourable.
What to do in Nagasaki in May?
With 73°F max and 10.2h of sunshine, focus on cultural sites, museums and local gastronomy.
Accommodation
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Activities & tours
Activities and tours in Nagasaki
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