April · Japan
Best time to visit Nagasaki in April Weather, crowds & prices
Weather in Nagasaki in April
Average temperature 16°C, 227 mm of rain, about 18 days with 6+ hours of sunshine and 80% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
April score
5.7/10
Ranked #4 of 12 months
- Avg temp
- 16°C
- Rainfall
- 227 mm
- Humidity
- 80%
- Days with 6h+ sun
- 18
- Crowd Density
- Moderate Crowds
- Average Expenses
- $$ · Moderate Cost ($$)
April in Nagasaki scores 5.7/10 for sightseeing and cultural travel - an above-average month (#4 of 12). Expect around 16°C, 227 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.
April in Nagasaki — middling scores, decent value
April averages 16°C (60°F), the range most people find easiest for walking a city all day without either overheating or losing daylight to weather.
227 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 5.7/10 here, 4th of 12 months, against 6.9/10 in the destination's best month.
Pack layers you can shed by midday plus one warm layer for the evening, a proper rain shell rather than an umbrella.
Figure on mid-season pricing, with crowds are moderate.
Frequently asked
- What is the weather like in Nagasaki in April?
- In April, Nagasaki averages 16°C, 227 mm of rain, and about 18 days with 6+ hours of sunshine. Its climate-comfort score is 5.7/10.
- Is April a good time to visit Nagasaki?
- April earns a 5.7/10 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 April?
- Expect about 227 mm of rain in April. Average humidity is 80% 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.