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 47–64°F, 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 73–83°F, 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 54–78°F, 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 38–42°F, 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. 60.4°F / Annual rainfall: approx. 2761 mm / Summer humidity: 70%–80% / Rainiest month: December
Katsuyama monthly average temperature and precipitation
Month
Air temperature (°F)
Precipitation (mm)
January
38.3°F
252.3
February
39.6°F
135.5
March
47.7°F
177.2
April
57.9°F
154.9
May
64°F
185.7
June
73.2°F
211.3
July
81.7°F
338.3
August
83.7°F
255.5
September
78.1°F
218.1
October
63.5°F
196.2
November
54.9°F
223.2
December
42.3°F
413.4
Katsuyama weather for the next seven days
2/22
Sunday
Patchy rain nearby
58.6°F/31.3°F
2/23
Monday
Moderate rain
52.9°F/34.9°F
2/24
Tuesday
Patchy rain nearby
58.8°F/33.1°F
2/25
Wednesday
Moderate rain
47.2°F/41.8°F
2/26
Thursday
Partly Cloudy
57.2°F/39.7°F
2/27
Friday
Patchy rain nearby
61.9°F/41.9°F
2/28
Saturday
Moderate rain
50.5°F/43.6°F
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