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Nagasaki

Nagasaki 1
Travel Info
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Travel Info

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Nagasaki Weather and climate

Data source:Meteostat
Update date:2025-09

Nagasaki year round climate
  • Spring (March–May): 12.8–19.9°C on average, mild and rainy, with more rain in March but also sunny days. Common activities: Cherry blossom viewing (some varieties), visiting historical sites, enjoying the seaside. Recommended clothing: Light jacket, long-sleeved shirts, comfortable shoes.
  • Summer (June–August): 23.6–29.2°C on average, hot and humid, with abundant rainfall, especially in June. Common activities: Swimming at the beach, hiking, enjoying local cuisine. Recommended clothing: Light and breathable clothing, sun hat, sunscreen.
  • Autumn (September–November): 16.0–27.1°C on average, comfortable and pleasant, with gradually decreasing rainfall. Common activities: Viewing autumn leaves (in some areas), outdoor activities, enjoying the crisp autumn air. Recommended clothing: Comfortable long-sleeved shirts, light jacket.
  • Winter (December–February): 7.6–9.0°C on average, mild and humid, with little rain. Common activities: Onsen (hot spring) bathing, indoor sightseeing, enjoying local hot pot. Recommended clothing: Warm clothing, jacket, scarf.
Nagasaki climatological average

Annual average temperature: approx. 18.3°C / Annual rainfall: approx. 2007 mm / Summer humidity: 70%–80% / Rainiest month: June

Nagasaki monthly average temperature and precipitation
Month
Air temperature (°C)
Precipitation (mm)
January
7.6°C
93
February
8.8°C
86.3
March
12.8°C
212
April
17°C
194.7
May
19.9°C
207
June
23.6°C
324.7
July
28.1°C
282.3
August
29.2°C
243.7
September
27.1°C
165.3
October
20.8°C
69
November
16°C
85.7
December
9°C
43.3
Nagasaki weather for the next seven days
10/11
Saturday
Sunny
28.1°C/22.1°C
10/12
Sunday
Sunny
29°C/22.5°C
10/13
Monday
Sunny
27.2°C/21.6°C
10/14
Tuesday
Sunny
26.1°C/22.1°C
10/15
Wednesday
Patchy rain nearby
26.1°C/23°C
10/16
Thursday
Patchy rain nearby
25.1°C/22.6°C
10/17
Friday
Sunny
25.3°C/20.1°C