Spring (March–May): Average 52–64°F, 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 70–79°F, 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 67–59°F, 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 49–45°F, 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. 62.1°F / Annual rainfall: approx. 1919 mm / Summer humidity: 70%–80% / Rainiest month: June
Katsuura monthly average temperature and precipitation
Month
Air temperature (°F)
Precipitation (mm)
January
44.4°F
61.4
February
45.9°F
125.1
March
52.9°F
189.1
April
60.4°F
212.1
May
64.9°F
226.9
June
70.3°F
262.6
July
77.7°F
81.4
August
79.9°F
132.8
September
77.7°F
207.6
October
67.1°F
194.6
November
59.9°F
174.2
December
49.3°F
51.9
Katsuura weather for the next seven days
6/22
Monday
Moderate rain
74.5°F/67.1°F
6/23
Tuesday
Moderate rain
71.7°F/66.3°F
6/24
Wednesday
Patchy rain nearby
71.9°F/67.2°F
6/25
Thursday
Moderate rain
74°F/68.6°F
6/26
Friday
Moderate rain
74.8°F/70.7°F
6/27
Saturday
Partly Cloudy
74.8°F/70.8°F
6/28
Sunday
Patchy rain nearby
76.7°F/71.6°F
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