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
10/17
Friday
Patchy rain nearby
79.5°F/70.9°F
10/18
Saturday
Patchy rain nearby
79.8°F/71.6°F
10/19
Sunday
Moderate rain
74°F/68.6°F
10/20
Monday
Partly Cloudy
74.8°F/66.2°F
10/21
Tuesday
Sunny
76.4°F/65°F
10/22
Wednesday
Sunny
70.4°F/65.4°F
10/23
Thursday
Sunny
71.4°F/62.4°F
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