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Katsuyama

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Katsuyama Weather, Climate and Best Time to Visit

Data source:Meteostat
Update date:2025-09

Katsuyama year round climate

  • Spring (March–May): Average 8.7–17.8°C, mild climate but with relatively high rainfall, especially in March. Common activities: Flower viewing, hiking. Suggested clothing: Light jacket, long-sleeved shirt and pants.
  • Summer (June–August): Average 22.9–28.7°C, hot and humid with relatively high rainfall. Common activities: Summer resort, stream activities. Suggested clothing: Light and breathable clothing, sun hat.
  • Autumn (September–November): Average 12.7–25.6°C, comfortable and pleasant climate with gradually decreasing rainfall. Common activities: Maple viewing, mountain climbing. Suggested clothing: Comfortable jacket, long-sleeved shirt and pants.
  • Winter (December–February): Average 3.5–5.7°C, cold and humid with both rain and snow, December having the most rainfall. Common activities: Skiing (if snow conditions permit), onsen experience. Suggested clothing: Warm jacket, beanie, gloves, scarf.

Katsuyama climatological average

Annual average temperature: approx. 15.8°C / Annual rainfall: approx. 2761 mm / Summer humidity: 70%–80% / Rainiest month: December

Katsuyama monthly average temperature and precipitation

Month
Air temperature (°C)
Precipitation (mm)
January
3.5°C
252.3
February
4.2°C
135.5
March
8.7°C
177.2
April
14.4°C
154.9
May
17.8°C
185.7
June
22.9°C
211.3
July
27.6°C
338.3
August
28.7°C
255.5
September
25.6°C
218.1
October
17.5°C
196.2
November
12.7°C
223.2
December
5.7°C
413.4

Katsuyama weather for the next seven days

12/22
Monday
Light freezing rain
6.2°C/-3.9°C
12/23
Tuesday
Sunny
11.4°C/-3.8°C
12/24
Wednesday
Heavy rain
10.7°C/1.5°C
12/25
Thursday
Patchy rain nearby
10°C/3.1°C
12/26
Friday
Moderate or heavy snow showers
1.3°C/-9.1°C
12/27
Saturday
Partly Cloudy
3.9°C/-10.1°C
12/28
Sunday
Light drizzle
4.9°C/-2.1°C