The itinerary was a bit rushed, but the tour guide was great. It was a bit of a shame the icebreaker didn't break ice.
Anonymous User
Business traveler
Sounkyo Weather, Climate and Best Time to Visit
Data source:Meteostat Update date:2025-09
Sounkyo year round climate
Spring (March–May): Average -34–53°F, 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 62–71°F, 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 49–62°F, 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–-34.2°F, 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. 45.0°F / Annual rainfall: approx. 1426 mm / Summer humidity: 70%–80% / Rainiest month: August
Sounkyo monthly average temperature and precipitation
Month
Air temperature (°F)
Precipitation (mm)
January
16.9°F
58.4
February
19.2°F
48.7
March
29.8°F
65.6
April
44.6°F
70.7
May
54°F
88.9
June
62.2°F
175.4
July
70.5°F
144.5
August
71.8°F
250.6
September
62.4°F
179.5
October
49.3°F
144.3
November
37.6°F
117.6
December
21.7°F
82.3
Sounkyo weather for the next seven days
5/14
Thursday
Sunny
63.4°F/35.1°F
5/15
Friday
Sunny
71.8°F/44.4°F
5/16
Saturday
Cloudy
71.8°F/49.9°F
5/17
Sunday
Partly Cloudy
69.4°F/49.1°F
5/18
Monday
Patchy rain nearby
70.9°F/49.1°F
5/19
Tuesday
Patchy rain nearby
62.2°F/51.6°F
5/20
Wednesday
Patchy rain nearby
60.9°F/46.2°F
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