Nagasaki · WinterMonth summary
Nagasaki weather in December
⚠️ Fair
🌡️ Temperature min / max
6°C – 12°C
🌧 Rainy days
28% of days
☀️ Sunshine
7.7h per day on average
🌊 🌊 Season
Winter
⭐ ⭐ Weather score
5.3/10
📅 📅 Best month
October (7.7/10)
Quick decision
Should you visit Nagasaki in December?
⚠️ Fair
✅ Yes if: you enjoy winter atmosphere and the lowest prices of the year.
❌ No if: you're looking for sunshine or outdoor activities.
Our take: Not the best window: 28% rain risk and 7.7h of sunshine. October is much safer.
By trip type
Nagasaki in December by trip type
- 🏙️ 🏙️ City break / culture : ⚠️ Possible
- 🚶 🚶 Outdoor activities : ❌ Not recommended
- 🏖️ Beach / swimming : ❌ Not recommended
- 💰 💰 Budget : ✅ Low season
Local context
What to expect in December
🎯 Acceptable period — 12°C but 28% rain risk. Plan alternatives In December, Nagasaki sees 12°C during the day with 7.7h of sunshine per day. Expect rain on 28% of days — a light raincoat in the bag is recommended.
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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 December, Nagasaki averages 12°C, 28% rainy days and 7.7h of sunshine per day. Overall weather score: 5.3/10.
See methodology →
Comparison
December vs October (best month)
The best month is October (score 7.7/10). Difference:
- 🌡️ Max temperature : +11°C
- 🌧 Rainy days : -1%
- ☀️ Sunshine : +2.3h/day
FAQ
FAQ — Nagasaki in December
Is December a good time to visit Nagasaki?
December is not recommended for Nagasaki (score 5.3/10). With 28% rainy days and 7.7h of sunshine, consider October (7.7/10) instead.
What's the weather like in Nagasaki in December?
It's cool with 12°C daytime and 6°C at night. 7.7h of sunshine per day. Pack warm clothes and favour indoor visits.
Accommodation
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