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Katsunuma
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Best time to visit Katsunuma
Data source：Meteostat
Last updated：2025-09
Weather in Katsunuma throughout the year
- Spring (March–May): Average 50–65°F, 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 72–82°F, 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 64–77°F, 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 39–44°F, cold and dry, with less rainfall. Common activities: Hot spring experiences, indoor activities. Suggested clothing: Warm clothing, thick jacket, scarf, gloves, hat.
Weather in Katsunuma
Annual average temperature: approx. 60.8°F / Annual rainfall: approx. 1726 mm / Summer humidity: 70%–80% / Rainiest month: September
Katsunuma weather by month
Month
Temperature (°F)
Rainfall (mm)
January
39.6°F
28.7
February
41.7°F
50
March
50.2°F
129.1
April
59.5°F
138.2
May
65.3°F
149.3
June
72.5°F
261.4
July
81.7°F
170.7
August
82.4°F
251.1
September
77.4°F
324.6
October
64°F
128.3
November
55.6°F
71.6
December
44.1°F
23.9
7-day weather forecast for Katsunuma
11/15
Sunday
Overcast
57.6°F/50.6°F
11/16
Monday
Sunny
64.4°F/50°F
11/17
Tuesday
Overcast
52.2°F/48.3°F
11/18
Wednesday
Light drizzle
60.7°F/48.1°F
11/19
Thursday
Sunny
65.1°F/45.3°F
11/20
Friday
Sunny
54.7°F/39°F
11/21
Saturday
Sunny
54.2°F/37.3°F
