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Sasebo

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Travel guide
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Travel guide

Top 10 things to do in Sasebo

Featured activity reviews in Sasebo

Best time to visit Sasebo

Data source:Meteostat
Last updated:2025-09

Weather in Sasebo throughout the year

  • 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.

Weather in Sasebo

Annual average temperature: approx. 17.5°C / Annual rainfall: approx. 2283 mm / Summer humidity: 70%–80% / Rainiest month: September

Sasebo weather by month

Month
Temperature (°C)
Rainfall (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

7-day weather forecast for Sasebo

11/8
Sunday
Overcast
17.4°C/6°C
11/9
Monday
Light drizzle
14.4°C/10.3°C
11/10
Tuesday
Patchy rain nearby
16.4°C/9.1°C
11/11
Wednesday
Sunny
17.9°C/6.8°C
11/12
Thursday
Cloudy
19°C/6.5°C
11/13
Friday
Overcast
19.4°C/8.2°C
11/14
Saturday
Light drizzle
17.8°C/12.7°C