Spring (March–May): Average 10.7–18.9°C, mild and comfortable climate, but with relatively heavy rainfall, especially in April. Common activities: Flower viewing, outdoor excursions. Recommended clothing: Light jacket, long-sleeved shirts, rain gear.
Summer (June–August): Average 22.9–28.4°C, hot and humid, with rainfall concentrated in June and August. Common activities: Swimming at the beach, visiting summer resorts. Recommended clothing: Light and breathable clothing, sun hat, sunscreen.
Autumn (September–November): Average 14.2–25.8°C, pleasant climate, cool and comfortable, with decreasing rainfall. Common activities: Maple leaf viewing, outdoor sports. Recommended clothing: Light jacket, long-sleeved shirts.
Winter (December–February): Average 5.8–8.5°C, cold and dry, with little rainfall. Common activities: Hot spring trips, indoor activities. Recommended clothing: Warm jacket, sweater, scarf, gloves.
Kaiyo climatological average
Annual average temperature: approx. 17°C / Annual rainfall: approx. 1582 mm / Summer humidity: 70%–80% / Rainiest month: June
Kaiyo monthly average temperature and precipitation
Month
Air temperature (°C)
Precipitation (mm)
January
5.8°C
32.7
February
6.7°C
62.1
March
10.7°C
137.9
April
15.6°C
156.6
May
18.9°C
192.9
June
22.9°C
238
July
28°C
128.7
August
28.4°C
198.5
September
25.8°C
181
October
19°C
136.2
November
14.2°C
89.2
December
8.5°C
28.5
Kaiyo weather for the next seven days
12/30
Tuesday
Sunny
13°C/7.8°C
12/31
Wednesday
Sunny
11.7°C/7.5°C
1/1
Thursday
Partly Cloudy
7.8°C/5.8°C
1/2
Friday
Patchy rain nearby
6.1°C/2.1°C
1/3
Saturday
Patchy rain nearby
8.5°C/1.7°C
1/4
Sunday
Sunny
10.7°C/4.1°C
1/5
Monday
Sunny
9.3°C/5.9°C
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