Spring (March–May): 55–67°F 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): 74–84°F 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): 60–80°F 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): 45–48°F 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. 64.9°F / Annual rainfall: approx. 2007 mm / Summer humidity: 70%–80% / Rainiest month: June
Nagasaki 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 weather for the next seven days
10/11
Saturday
Sunny
82.5°F/71.8°F
10/12
Sunday
Sunny
84.3°F/72.4°F
10/13
Monday
Sunny
81°F/70.8°F
10/14
Tuesday
Sunny
78.9°F/71.7°F
10/15
Wednesday
Patchy rain nearby
79°F/73.5°F
10/16
Thursday
Patchy rain nearby
77.2°F/72.6°F
10/17
Friday
Sunny
77.5°F/68.2°F
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