Nagasaki Weather in June
Japan · 30-year monthly averages
🤔 Fair time to visit
June in Nagasaki is warm, with average daytime highs around 27°C (80°F) and nighttime lows near 20°C (68°F). Expect roughly 336mm of precipitation spread over about 13 rainy days, and heavy rainfall is common — this is peak wet season territory.
Avg high
27°C
80°F
Avg low
20°C
68°F
Rainfall
336mm
very wet
Rainy days
13
days with ≥1mm
☀️ About 125 hours of sunshine over the month (~4h/day).
🎒 What to pack
- light summer clothing
- sunscreen and sunglasses
- compact umbrella or rain jacket
June vs the rest of the year
FAQ
- How hot is Nagasaki in June?
- June in Nagasaki is warm, with average daytime highs around 27°C (80°F) and nighttime lows near 20°C (68°F). Expect roughly 336mm of precipitation spread over about 13 rainy days, and heavy rainfall is common — this is peak wet season territory.
- Does it rain a lot in Nagasaki in June?
- Nagasaki sees around 336mm of precipitation in June on average — very wet by global standards.
- Is June a good time to visit Nagasaki?
- June is a workable month to visit Nagasaki, but expect some weather trade-offs.