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Nagasaki City

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Nagasaki City Weather, Climate and Best Time to Visit

Data source:Meteostat
Update date:2025-09

Nagasaki City year round climate

  • Spring (March–May): Average 55–67°F, mild climate but with relatively high rainfall, especially in March and April. Common activities: Cherry blossom viewing, coastal walks, visiting historical sites. Recommended clothing: Light jacket, long-sleeved shirt, comfortable shoes.
  • Summer (June–August): Average 74–84°F, hot and humid with relatively high rainfall. Common activities: Beach activities, water sports, enjoying local cuisine. Recommended clothing: Light and breathable clothing, sun hat, sunscreen.
  • Autumn (September–November): Average 60–80°F, comfortable and pleasant climate with less rainfall. Common activities: Hiking, visiting museums, enjoying autumn cuisine. Recommended clothing: Light jacket, long-sleeved or short-sleeved shirt.
  • Winter (December–February): Average 45–48°F, cold climate with less rainfall. Common activities: Onsen (hot springs), visiting indoor attractions, enjoying hot pot and other winter dishes. Recommended clothing: Warm jacket, sweater, scarf, hat.

Nagasaki City climatological average

Annual average temperature: approx. 64.4°F / Annual rainfall: approx. 2007 mm / Summer humidity: 70%–80% / Rainiest month: June

Nagasaki City monthly average temperature and precipitation

Month
Air temperature (°F)
Precipitation (mm)
January
45.7°F
93
February
47.8°F
86.3
March
55°F
212
April
62.6°F
194.7
May
67.8°F
207
June
74.5°F
324.7
July
82.6°F
282.3
August
84.6°F
243.7
September
80.8°F
165.3
October
69.4°F
69
November
60.8°F
85.7
December
48.2°F
43.3

Nagasaki City weather for the next seven days

4/28
Tuesday
Partly Cloudy
67.9°F/60°F
4/29
Wednesday
Moderate rain
63.4°F/53.9°F
4/30
Thursday
Moderate rain
58.4°F/53.1°F
5/1
Friday
Moderate rain
63.8°F/56.8°F
5/2
Saturday
Partly Cloudy
69°F/58.2°F
5/3
Sunday
Heavy rain
64.6°F/60.3°F
5/4
Monday
Patchy rain nearby
66.4°F/58.9°F