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Kii

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Kii Weather, Climate and Best Time to Visit

Data source:Meteostat
Update date:2025-09

Kii year round climate

  • Spring (March–May): Average 11.4–18.8°C, mild climate, but rainfall increases gradually, with the most rainfall in May. Common activities: Spring outings, flower viewing. Recommended clothing: Light jacket, long-sleeved shirt, rain gear.
  • Summer (June–August): Average 23.1–28.8°C, hot and humid, with more rainfall, but less rainfall in August. Common activities: Beach activities, resort travel. Recommended clothing: Light and breathable clothing, sun hat, sunscreen.
  • Autumn (September–November): Average 19.6–14.7°C, comfortable and pleasant climate, rainfall gradually decreases. Common activities: Hiking, maple viewing. Recommended clothing: Long-sleeved shirt, light jacket.
  • Winter (December–February): Average 8.6–7.1°C, cold climate, less rainfall. Common activities: Hot spring bathing. Recommended clothing: Warm clothing, thick jacket, scarf, gloves.

Kii climatological average

Annual average temperature: approx. 17.5°C / Annual rainfall: approx. 1421 mm / Summer humidity: 70%–80% / Rainiest month: May

Kii monthly average temperature and precipitation

Month
Air temperature (°C)
Precipitation (mm)
January
6.4°C
30.5
February
7.1°C
40.4
March
11.4°C
106.1
April
16.3°C
130.7
May
18.8°C
237.6
June
23.1°C
226.9
July
28.4°C
152.4
August
28.8°C
88
September
26.6°C
169.8
October
19.6°C
120.8
November
14.7°C
92.7
December
8.6°C
25.2

Kii weather for the next seven days

12/21
Sunday
Heavy rain
14.5°C/9.3°C
12/22
Monday
Sunny
8.6°C/4.7°C
12/23
Tuesday
Moderate rain
11°C/4.2°C
12/24
Wednesday
Heavy rain
15.6°C/10.4°C
12/25
Thursday
Patchy rain nearby
12°C/8.6°C
12/26
Friday
Patchy rain nearby
6.5°C/3.7°C
12/27
Saturday
Patchy rain nearby
5.9°C/3.6°C