Spring (March–May): Average 38–58°F, cool climate with occasional rainfall, increasing rainfall from March to May. Common activities: Flower viewing, hiking (consider weather changes). Recommended clothing: Warm jacket, long-sleeved clothing, waterproof jacket.
Summer (June–August): Average 67–78°F, hot and rainy, with July being the rainiest month. Common activities: Summer resort, playing in the streams (pay attention to safety). Recommended clothing: Light and breathable clothing, rain gear.
Autumn (September–November): Average 46–71°F, comfortable climate, less rainfall. Common activities: Maple viewing, hot springs. Recommended clothing: Light jacket, long-sleeved clothing.
Winter (December–February): Average -32–34°F, cold climate, higher chance of snowfall, higher rainfall. Common activities: Skiing, hot springs. Recommended clothing: Warm clothing, thick jacket, snow boots.
Kawayu Onsen climatological average
Annual average temperature: approx. 53.1°F / Annual rainfall: approx. 2277 mm / Summer humidity: 70%–80% / Rainiest month: July
Kawayu Onsen monthly average temperature and precipitation
Month
Air temperature (°F)
Precipitation (mm)
January
31.3°F
209.4
February
32.7°F
114.6
March
38.1°F
137.5
April
51.1°F
93.8
May
58.8°F
112.5
June
67.6°F
219.9
July
76.6°F
403.5
August
78.8°F
216.9
September
71.8°F
127.9
October
56.8°F
126.4
November
46.4°F
196.5
December
34.9°F
318.6
Kawayu Onsen weather for the next seven days
10/16
Thursday
Heavy rain
55.7°F/51.9°F
10/17
Friday
Patchy rain nearby
65.6°F/52.6°F
10/18
Saturday
Moderate rain
68.2°F/52.5°F
10/19
Sunday
Patchy rain nearby
54.4°F/47.4°F
10/20
Monday
Patchy rain nearby
50.7°F/42.8°F
10/21
Tuesday
Patchy rain nearby
51.5°F/41.9°F
10/22
Wednesday
Partly Cloudy
53.3°F/40.4°F
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