Spring (March-May): Average 52–65°F, mild and comfortable climate, but rainfall gradually increases, with May marking the start of the rainy season. Common activities: Hiking, flower viewing. Recommended clothing: Light jacket, long-sleeved shirts, rain gear.
Summer (June-August): Average 73–83°F, hot and humid, with significant rainfall, but rainfall decreases in August. Common activities: Swimming, water sports. Recommended clothing: Light and breathable clothing, sun hat, sunscreen.
Autumn (September-November): Average 67–79°F, temperatures gradually decrease, rainfall decreases. Common activities: Hiking, outings. Recommended clothing: Comfortable long-sleeved shirts, jackets.
Winter (December-February): Average 44–52°F, lower temperatures, dry and less rain. Common activities: Hot spring bathing, indoor activities. Recommended clothing: Warm clothing, thick jackets, scarves, gloves.
Kainan climatological average
Annual average temperature: approx. 63.5°F / Annual rainfall: approx. 1421 mm / Summer humidity: 75%–85% / Rainiest month: May
Kainan monthly average temperature and precipitation
Month
Air temperature (°F)
Precipitation (mm)
January
43.5°F
30.5
February
44.8°F
40.4
March
52.5°F
106.1
April
61.3°F
130.7
May
65.8°F
237.6
June
73.6°F
226.9
July
83.1°F
152.4
August
83.8°F
88
September
79.9°F
169.8
October
67.3°F
120.8
November
58.5°F
92.7
December
47.5°F
25.2
Kainan weather for the next seven days
6/23
Tuesday
Patchy rain nearby
72.3°F/65.8°F
6/24
Wednesday
Moderate rain
69.2°F/65.9°F
6/25
Thursday
Heavy rain
72.3°F/67.3°F
6/26
Friday
Moderate rain
73.3°F/69°F
6/27
Saturday
Moderate rain
80.1°F/70.9°F
6/28
Sunday
Heavy rain
78.9°F/70.2°F
6/29
Monday
Sunny
78.8°F/66.5°F
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