We were very satisfied with the itinerary and the tour guide provided a lot of useful information and was very helpful. However, the drive was a bit long, and we were slightly disappointed that there was no floating ice on the day of the icebreaking ceremony.
Anonymous User
Solo traveler
Sounkyo Weather, Climate and Best Time to Visit
Data source:Meteostat Update date:2025-09
Sounkyo year round climate
Spring (March–May): Average -1.2–12.2°C, cold climate gradually warming, rainfall increasing. Common activities: mountain hiking (beware of changing weather), appreciating post-snowmelt scenery. Recommended clothing: warm jacket, sweater, waterproof jacket, waterproof pants.
Summer (June–August): Average 16.8–22.1°C, warm and humid climate, more rainfall, especially in August. Common activities: canyoning, boating, appreciating the magnificent scenery of Daisetsuzan National Park's Sounkyo Gorge. Recommended clothing: light and breathable clothing, rain gear, sunscreen.
Autumn (September–November): Average 9.6–16.9°C, cool and comfortable climate, decreasing rainfall. Common activities: autumn leaves viewing (depending on the foliage change time), hiking. Recommended clothing: light jacket, long-sleeved clothing.
Winter (December–February): Average -8.4–-1.2°C, cold and dry climate, high possibility of snowfall. Common activities: skiing, snowshoeing (pay attention to safety). Recommended clothing: warm clothing, waterproof jacket, snow boots, hat, gloves, scarf.
Sounkyo climatological average
Annual average temperature: approx. 7.2°C / Annual rainfall: approx. 1426 mm / Summer humidity: 70%–80% / Rainiest month: August
Sounkyo monthly average temperature and precipitation
Month
Air temperature (°C)
Precipitation (mm)
January
-8.4°C
58.4
February
-7.1°C
48.7
March
-1.2°C
65.6
April
7°C
70.7
May
12.2°C
88.9
June
16.8°C
175.4
July
21.4°C
144.5
August
22.1°C
250.6
September
16.9°C
179.5
October
9.6°C
144.3
November
3.1°C
117.6
December
-5.7°C
82.3
Sounkyo weather for the next seven days
5/18
Monday
Partly Cloudy
21.1°C/9.1°C
5/19
Tuesday
Patchy rain nearby
15.1°C/10.1°C
5/20
Wednesday
Patchy rain nearby
17°C/7.8°C
5/21
Thursday
Sunny
19.7°C/6°C
5/22
Friday
Sunny
22.3°C/7.2°C
5/23
Saturday
Partly Cloudy
21.9°C/8.3°C
5/24
Sunday
Partly Cloudy
20.3°C/9.2°C
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