Spring (March–May): Average 11.6–18.3°C, mild climate but with relatively high rainfall, especially in April and May. Common activities: flower viewing, coastal walks. Recommended clothing: light jacket, long-sleeved shirts.
Summer (June–August): Average 21.3–26.6°C, hot and humid, with the most rainfall in June. Common activities: swimming, surfing, water sports. Recommended clothing: light and breathable clothing, sun hat.
Autumn (September–November): Average 19.5–15.5°C, comfortable and pleasant climate, with relatively high rainfall in September. Common activities: hiking, enjoying autumn scenery. Recommended clothing: light jacket, long-sleeved shirts.
Winter (December–February): Average 9.6–7.7°C, relatively low temperatures, with less rainfall. Common activities: onsen trips, indoor activities. Recommended clothing: warm jacket, sweater, scarf.
Katsuura climatological average
Annual average temperature: approx. 16.7°C / Annual rainfall: approx. 1919 mm / Summer humidity: 70%–80% / Rainiest month: June
Katsuura monthly average temperature and precipitation
Month
Air temperature (°C)
Precipitation (mm)
January
6.9°C
61.4
February
7.7°C
125.1
March
11.6°C
189.1
April
15.8°C
212.1
May
18.3°C
226.9
June
21.3°C
262.6
July
25.4°C
81.4
August
26.6°C
132.8
September
25.4°C
207.6
October
19.5°C
194.6
November
15.5°C
174.2
December
9.6°C
51.9
Katsuura weather for the next seven days
6/23
Tuesday
Patchy rain nearby
22.1°C/19.1°C
6/24
Wednesday
Patchy rain nearby
23.2°C/19.5°C
6/25
Thursday
Moderate rain
23.5°C/21°C
6/26
Friday
Moderate rain
24.4°C/21.6°C
6/27
Saturday
Partly Cloudy
23.9°C/21.9°C
6/28
Sunday
Patchy rain nearby
25.9°C/21.9°C
6/29
Monday
Partly Cloudy
23.8°C/21.7°C
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