Nagasaki weather in May
Monthly temperatures, rain, humidity, what to wear and what to pack — 2024–2025 historical average
Nagasaki May weather at a glance
In May, Nagasaki averages 19°C, with typical highs of 23°C and lows of 15.4°C. The historical average is 11 wet days and 77% humidity.
Nagasaki May temperature & humidity
Nagasaki May rain & wet days
Pack a compact umbrella. Keep an indoor stop available between outdoor activities.
What to wear in Nagasaki in May
T-shirts or long sleeves with one light outer layer should be comfortable. Showers are possible, so a compact umbrella is useful.
- DaytimeLong sleeves and a light jacket · average high 23°C
- Morning & eveningLong sleeves with a jacket or cardigan · average low 15.4°C
- FootwearComfortable walking shoes; quick-dry footwear for rainy days.
Packing essentials
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Nagasaki May sunrise & sunset times
2026 May · Local time (Asia/Tokyo)
| Date | Sunrise | Sunset | Daylight |
|---|---|---|---|
| 2026-05-01 | 05:34 | 19:02 | 13h 28m |
| 2026-05-15 | 05:22 | 19:12 | 13h 50m |
| 2026-05-31 | 05:14 | 19:23 | 14h 9m |
For sunset photos, arrive before the listed sunset time. Clouds, mountains and buildings can change when the sun becomes visible or disappears.
Calculated for the city coordinates with daylight saving applied. SunCalc · tz-lookup
Nagasaki travel updates
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Today’s weather and forecast
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Forecast · Windy. Monthly averages are in the Temperature section.
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Nagasaki city map
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Nagasaki travel essentials
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Best months to visit Nagasaki
Bar height shows our simple weather-comfort score, not a safety rating; colour shows temperature.
May weather by year
Daily weather in 2025
Daily high and low temperatures; blue labels show precipitation
Frequently asked questions
What is Nagasaki weather like in May?
In May, Nagasaki averages 19°C, with typical highs of 23°C and lows of 15.4°C. The historical average is 11 wet days and 77% humidity. Our weather-comfort rating for this month is good.
Does it rain a lot in Nagasaki in May?
There are about 11 wet days in May. A compact umbrella is still useful.
What should I wear in Nagasaki in May?
T-shirts or long sleeves with one light outer layer should be comfortable. Showers are possible, so a compact umbrella is useful.
What are the best months to visit Nagasaki?
Recent weather data rates May, October, November among the more comfortable months.
Where can I check Nagasaki weather in May in real time?
Check local webcams for the view right now and a local weather service for today’s forecast. Monthly temperatures here are historical averages.
What time are sunrise and sunset in Nagasaki in May?
On 2026-05-15, calculated sunrise is 05:22 and sunset is 19:12 in local time (Asia/Tokyo). Times vary by date and terrain.
Nagasaki weather by month
More Japan destinations in May
Open-Meteo (CC BY 4.0) · 2024–2025 historical data, aggregated and rounded by this site. Not a forecast or long-term climate normal. Calculation method and limitations