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Kawayu Onsen

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Kawayu Onsen Weather, Climate and Best Time to Visit

Data source：Meteostat
Update date：2025-09

Kawayu Onsen year round climate

  • Spring (March–May): Average 3.4–14.9°C, 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 19.8–26.0°C, 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 8.0–22.1°C, comfortable climate, less rainfall. Common activities: Maple viewing, hot springs. Recommended clothing: Light jacket, long-sleeved clothing.
  • Winter (December–February): Average -0.4–1.6°C, 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. 11.7°C / Annual rainfall: approx. 2277 mm / Summer humidity: 70%–80% / Rainiest month: July

Kawayu Onsen monthly average temperature and precipitation

Month
Air temperature (°C)
Precipitation (mm)
January
-0.4°C
209.4
February
0.4°C
114.6
March
3.4°C
137.5
April
10.6°C
93.8
May
14.9°C
112.5
June
19.8°C
219.9
July
24.8°C
403.5
August
26°C
216.9
September
22.1°C
127.9
October
13.8°C
126.4
November
8°C
196.5
December
1.6°C
318.6

Kawayu Onsen weather for the next seven days

7/9
Thursday
Patchy rain nearby
26.8°C/18.4°C
7/10
Friday
Mist
29.1°C/19.9°C
7/11
Saturday
Sunny
29.3°C/20.4°C
7/12
Sunday
Light rain shower
25.8°C/19.2°C
7/13
Monday
Fog
20.6°C/18.8°C
7/14
Tuesday
Fog
21.4°C/20°C
7/15
Wednesday
Patchy rain nearby
29°C/19.9°C

Kawayu Onsen Frequently Asked Questions and Useful Information for Travel

What is the best time to visit?

Summer and winter are the best times to visit as you can enjoy cooler temperatures in the summer and experience the freshest powder snow in the winter.

What are the must-see attractions?

Must-see attractions include the public pool and the double bathhouse. Among them, the public pool is a semi-open-air naked pool that provides a variety of facilities such as coin lockers, shower facilities and SPA pools. The double bathhouse provides a comfortable semi-open-air bathing environment, suitable for couples or friends to enjoy together.