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Katsunuma
Katsunuma Weather, Climate and Best Time to Visit
Data source：Meteostat
Update date：2025-09
Katsunuma year round climate
- Spring (March–May): Average 10.1–18.5°C, mild and comfortable, but with relatively high rainfall; carrying rain gear is recommended. Common activities: Spring outings, flower viewing. Suggested clothing: Light jacket, long-sleeved shirt, raincoat or umbrella.
- Summer (June–August): Average 22.5–28°C, hot and humid, with abundant rainfall. Common activities: Tasting local wines, escaping the heat in the mountains. Suggested clothing: Light and breathable clothing, sun hat, rain gear.
- Autumn (September–November): Average 17.8–25.2°C, pleasant climate, but with heavier rainfall in September. Common activities: Maple viewing, grape harvesting experiences. Suggested clothing: Comfortable long-sleeved shirts and pants, light jacket.
- Winter (December–February): Average 4.2–6.7°C, cold and dry, with less rainfall. Common activities: Hot spring experiences, indoor activities. Suggested clothing: Warm clothing, thick jacket, scarf, gloves, hat.
Katsunuma climatological average
Annual average temperature: approx. 16°C / Annual rainfall: approx. 1726 mm / Summer humidity: 70%–80% / Rainiest month: September
Katsunuma monthly average temperature and precipitation
Month
Air temperature (°C)
Precipitation (mm)
January
4.2°C
28.7
February
5.4°C
50
March
10.1°C
129.1
April
15.3°C
138.2
May
18.5°C
149.3
June
22.5°C
261.4
July
27.6°C
170.7
August
28°C
251.1
September
25.2°C
324.6
October
17.8°C
128.3
November
13.1°C
71.6
December
6.7°C
23.9
Katsunuma weather for the next seven days
12/19
Friday
Sunny
10.5°C/3.6°C
12/20
Saturday
Patchy rain nearby
14.2°C/6.6°C
12/21
Sunday
Sunny
17.7°C/9.2°C
12/22
Monday
Moderate rain
11.1°C/4.7°C
12/23
Tuesday
Patchy rain nearby
8.6°C/4°C
12/24
Wednesday
Sunny
7.8°C/2.6°C
12/25
Thursday
Patchy rain nearby
12.3°C/5.5°C
