Spring (March–May): Average 48–64°F, mild climate but with relatively high rainfall, especially in May. Common activities: Hiking, flower viewing (e.g., cherry blossoms, depending on blooming conditions). Recommended clothing: Light jacket, comfortable long pants or skirt.
Summer (June–August): Average 70–81°F, hot and humid with relatively high rainfall. Common activities: Beach activities, water sports. Recommended clothing: Light and breathable clothing, sun hat, sunscreen.
Autumn (September–November): Average 63–77°F, pleasant and comfortable climate with gradually decreasing rainfall. Common activities: Mountain climbing, hiking, outdoor excursions. Recommended clothing: Long-sleeved shirts, light jacket.
Winter (December–February): Average 39–48°F, cold and dry with the lowest rainfall. Common activities: Indoor activities, onsen experience. Recommended clothing: Warm clothing, thick jacket, scarf, gloves.
Kurushima climatological average
Annual average temperature: approx. 59.9°F / Annual rainfall: approx. 1472 mm / Summer humidity: 70%–80% / Rainiest month: May
Kurushima monthly average temperature and precipitation
Month
Air temperature (°F)
Precipitation (mm)
January
39.2°F
42
February
40.3°F
92
March
48.7°F
131.4
April
58.5°F
167.3
May
64°F
209.6
June
70.9°F
197
July
79.2°F
170.5
August
81.7°F
163.9
September
77.4°F
103.4
October
63.7°F
72.7
November
54.5°F
87.6
December
41.9°F
35
Kurushima weather for the next seven days
12/15
Monday
Patchy rain nearby
50.1°F/41°F
12/16
Tuesday
Sunny
53.9°F/40°F
12/17
Wednesday
Moderate rain
57.8°F/47.2°F
12/18
Thursday
Patchy rain nearby
52.8°F/44.5°F
12/19
Friday
Patchy rain nearby
55.9°F/42.4°F
12/20
Saturday
Sunny
57.9°F/49.2°F
12/21
Sunday
Sunny
60.9°F/49.7°F
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