It's definitely worth a visit. I spent the whole day there. There's only one restaurant inside the dinosaur museum, so the lunch queue can be quite long, but it's definitely worth the trip.
Anonymous User
Family
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
2/21
Saturday
Sunny
12.6°C/-2.6°C
2/22
Sunday
Patchy rain nearby
14.1°C/-0.3°C
2/23
Monday
Patchy rain nearby
10°C/0.9°C
2/24
Tuesday
Moderate rain
13.7°C/-0.1°C
2/25
Wednesday
Heavy rain
8.4°C/5.3°C
2/26
Thursday
Partly Cloudy
12.9°C/2.3°C
2/27
Friday
Patchy rain nearby
14.9°C/5.3°C
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