June · Japan
Best time to visit Nagasaki in June Weather, crowds & prices
Weather in Nagasaki in June
Average temperature 23°C, 368 mm of rain, about 18 days with 6+ hours of sunshine and 85% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
June score
5.1/10
Ranked #9 of 12 months
- Avg temp
- 23°C
- Rainfall
- 368 mm
- Humidity
- 85%
- Days with 6h+ sun
- 18
- Crowd Density
- Moderate Crowds
- Average Expenses
- $$ · Moderate Cost ($$)
June in Nagasaki scores 5.1/10 for sightseeing and cultural travel - ranked #9 of 12. Expect around 23°C, 368 mm of rain, and roughly 18 days with 6+ hours of sunshine this month.
Nagasaki's harbour hills hold a unique history of trade, Christianity and the atomic bombing.
June in Nagasaki: mixed conditions, plan around the weather
June averages 23°C (73°F) — pleasant for mornings and evenings on foot in the city, with a midday break when the sun is strongest.
368 mm of rain puts this in monsoon territory — about 18 days with 6+ hours of sunshine across the whole month, and multi-day washouts are normal.
It scores 5.1/10 here, 9th of 12 months, against 6.9/10 in the destination's best month.
Pack light clothing, a hat and real sun protection, a proper rain shell rather than an umbrella.
Figure on mid-season pricing, with crowds are moderate.
Flexible dates? October scores 1.8 points higher here — enough to change the trip.
Frequently asked
- What is the weather like in Nagasaki in June?
- In June, Nagasaki averages 23°C, 368 mm of rain, and about 18 days with 6+ hours of sunshine. Its climate-comfort score is 5.1/10.
- Is June a good time to visit Nagasaki?
- June earns a 5.1/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Nagasaki in June?
- Expect about 368 mm of rain in June. Average humidity is 85% and there are about 18 days with 6+ hours of sunshine.
Curated in Nagasaki
Tickets & experiences
Things to do in Nagasaki
Nagasaki, Japan. Live activities and tours from GetYourGuide, matched to this destination.