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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 52–65°F, 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 73–83°F, 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 67–58°F, comfortable and pleasant climate, rainfall gradually decreases. Common activities: Hiking, maple viewing. Recommended clothing: Long-sleeved shirt, light jacket.
  • Winter (December–February): Average 47–44°F, cold climate, less rainfall. Common activities: Hot spring bathing. Recommended clothing: Warm clothing, thick jacket, scarf, gloves.

Kii climatological average

Annual average temperature: approx. 63.5°F / Annual rainfall: approx. 1421 mm / Summer humidity: 70%–80% / Rainiest month: May

Kii 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

Kii weather for the next seven days

8/6
Thursday
Sunny
92.5°F/76.5°F
8/7
Friday
Sunny
92.2°F/77.3°F
8/8
Saturday
Sunny
89.8°F/76.2°F
8/9
Sunday
Sunny
88.1°F/76.5°F
8/10
Monday
Sunny
86.7°F/77.2°F
8/11
Tuesday
Sunny
85.5°F/75.1°F
8/12
Wednesday
Partly Cloudy
88.2°F/76.9°F