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
12/16
Tuesday
Patchy rain nearby
51.6°F/47.9°F
12/17
Wednesday
Sunny
55.3°F/47.7°F
12/18
Thursday
Patchy rain nearby
54.1°F/50.8°F
12/19
Friday
Patchy rain nearby
56.7°F/53.3°F
12/20
Saturday
Moderate rain
65.2°F/53.9°F
12/21
Sunday
Moderate rain
64.9°F/62.8°F
12/22
Monday
Moderate rain
57.6°F/50°F
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