Best Time to Visit Nagasaki
Japan · 30-year monthly climate averages
☀️ When to go
Based on 30 years of climate data, the most comfortable months to visit Nagasaki are May, October and November, when daytime temperatures are agreeable and rainfall is relatively low.
Climate profile
Nagasaki sees its warmest weather in August, when daytime highs average around 32°C, and its coolest in January (around 11°C).
Annual precipitation totals roughly 1895mm — June is typically the wettest month (~336mm) and January the driest (~63mm).
A distinctly wetter period runs from March to September — worth planning around if you prefer dry days.
August is the sunniest month, with about 207 hours of sunshine.
Year at a glance
🟧 avg daytime high · 🟦 dashed: avg nighttime low · bars: monthly rainfall
🔥 Recent heat vs normal
Daily forecast highs vs the 30-year normal — last 37 days
Each bar is one day: orange above normal, blue below.
Month by month
| Month | High / Low | Rainfall | Travel rating |
|---|---|---|---|
| January | 11° / 4°C | 63mm | 🤔 Fair |
| February | 12° / 5°C | 84mm | 🤔 Fair |
| March | 15° / 8°C | 123mm | 🤔 Fair |
| April | 20° / 12°C | 153mm | 👍 Good |
| May | 24° / 16°C | 161mm | 👍 Good |
| June | 27° / 20°C | 336mm | 🤔 Fair |
| July | 30° / 25°C | 293mm | ⚠️ Challenging |
| August | 32° / 25°C | 218mm | ⚠️ Challenging |
| September | 29° / 22°C | 187mm | 🤔 Fair |
| October | 24° / 17°C | 102mm | 🌟 Great |
| November | 19° / 11°C | 101mm | 👍 Good |
| December | 13° / 6°C | 75mm | 🤔 Fair |
FAQ
- What is the best time to visit Nagasaki?
- Based on 30 years of climate data, the most comfortable months to visit Nagasaki are May, October and November, when daytime temperatures are agreeable and rainfall is relatively low.
- What is the hottest month in Nagasaki?
- August is typically the hottest month in Nagasaki, with average daytime highs around 32°C.
- What is the rainiest month in Nagasaki?
- June is usually the wettest month, with around 336mm of precipitation.