Spring (March–May): Average 10.3–18.6°C, mild climate with relatively high rainfall, especially abundant in April. Common activities: Spring outings, flower viewing. Recommended clothing: Light jacket, long-sleeved shirt, and an umbrella.
Summer (June–August): Average 22.6–28.3°C, hot and humid with relatively high rainfall, most rainfall in June. Common activities: Heat escape, water activities. Recommended clothing: Light and breathable clothing, sun hat, and sunscreen.
Autumn (September–November): Average 18.4–26.0°C, comfortable and pleasant climate with gradually decreasing rainfall. Common activities: Outdoor excursions, viewing red leaves (if applicable). Recommended clothing: Light jacket, long-sleeved shirt.
Winter (December–February): Average 4.7–6.8°C, cold and dry with low rainfall. Common activities: Hot springs (if applicable), indoor activities. Recommended clothing: Warm coat, sweater, scarf, and hat.
Tosu climatological average
Annual average temperature: approx. 16°C / Annual rainfall: approx. 1853 mm / Summer humidity: 70%–80% / Rainiest month: June
Tosu monthly average temperature and precipitation
Month
Air temperature (°C)
Precipitation (mm)
January
4.7°C
69.5
February
6.2°C
93.9
March
10.3°C
147.8
April
15.2°C
188.8
May
18.6°C
182
June
22.6°C
322.2
July
26.7°C
281.5
August
28.3°C
194.7
September
26°C
166.2
October
18.4°C
74.6
November
13.4°C
102.8
December
6.8°C
29.4
Tosu weather for the next seven days
10/28
Tuesday
Sunny
15°C/10.4°C
10/29
Wednesday
Sunny
17.2°C/8.2°C
10/30
Thursday
Patchy rain nearby
21°C/10.2°C
10/31
Friday
Moderate rain
15.4°C/12.8°C
11/1
Saturday
Patchy rain nearby
20.4°C/11.9°C
11/2
Sunday
Sunny
19.6°C/12.7°C
11/3
Monday
Sunny
18.7°C/11.1°C
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