Spring (March–May): Average 11.8–18.7°C, mild and rainy with occasional showers. Common activities: Hiking, flower viewing. Recommended clothing: Light jacket, long-sleeved shirts.
Summer (June–August): Average 22.4–28.5°C, hot and humid with heavier rainfall. Common activities: Beach activities, water sports. Recommended clothing: Light and breathable clothing, short-sleeved shirts, shorts.
Autumn (September–November): Average 15.6–25.7°C, comfortable weather, with heavier rainfall in September. Common activities: Maple viewing, outdoor excursions. Recommended clothing: Light jacket, long-sleeved shirts.
Winter (December–February): Average 7.7–9.2°C, mild and humid with occasional rainfall. Common activities: Indoor leisure activities. Recommended clothing: Warm jacket, sweater, long pants.
Sasebo climatological average
Annual average temperature: approx. 17.5°C / Annual rainfall: approx. 2283 mm / Summer humidity: 70%–80% / Rainiest month: September
Sasebo monthly average temperature and precipitation
Month
Air temperature (°C)
Precipitation (mm)
January
7.7°C
89.5
February
8.4°C
125.5
March
11.8°C
164.1
April
15.7°C
238.5
May
18.7°C
186.7
June
22.4°C
240.5
July
26.7°C
275.1
August
28.5°C
164.6
September
25.7°C
428.4
October
20.1°C
78.3
November
15.6°C
237.5
December
9.2°C
54.5
Sasebo weather for the next seven days
11/2
Sunday
Partly Cloudy
17.9°C/12.1°C
11/3
Monday
Sunny
19.4°C/10.9°C
11/4
Tuesday
Partly Cloudy
20.3°C/12.3°C
11/5
Wednesday
Moderate rain
15.4°C/13.9°C
11/6
Thursday
Sunny
20.7°C/14.5°C
11/7
Friday
Partly Cloudy
19.8°C/12.4°C
11/8
Saturday
Overcast
21.2°C/14.8°C
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