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Dewa Sanzan
Top 10 Must-Do Experiences and Attractions in Dewa Sanzan
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Dewa Sanzan Weather, Climate and Best Time to Visit
Data source：Meteostat
Update date：2025-09
Dewa Sanzan year round climate
- Spring (March–May): Average 39–59°F, mild climate, but with lower temperatures and rainfall in early spring; late spring becomes comfortable. Common activities: Hiking (be aware of changing mountain weather in early spring), enjoying mountain views. Recommended clothing: Warm jacket, long-sleeved clothing, waterproof jacket.
- Summer (June–August): Average 68–79°F, hot and humid, with high rainfall, especially in July and August. Common activities: Summer resort (choose cool locations), river rafting (pay attention to safety). Recommended clothing: Light and breathable clothing, rain gear, sun protection clothing.
- Autumn (September–November): Average 46–72°F, comfortable temperature, but with relatively high rainfall, especially in November. Common activities: Autumn leaves viewing (depending on the year's foliage change), hiking. Recommended clothing: Light jacket, long-sleeved clothing, waterproof jacket.
- Winter (December–February): Average -32–34°F, cold temperatures, low probability of snowfall, but be aware of low temperatures and rainfall. Common activities: Hot spring experience, skiing (depending on snow conditions). Recommended clothing: Thick warm clothing, waterproof jacket, warm hat, gloves, scarf.
Dewa Sanzan climatological average
Annual average temperature: approx. 54.1°F / Annual rainfall: approx. 2218 mm / Summer humidity: 70%–80% / Rainiest month: July
Dewa Sanzan monthly average temperature and precipitation
Month
Air temperature (°F)
Precipitation (mm)
January
31.8°F
148.1
February
32.7°F
93
March
39.9°F
111.6
April
51.6°F
117
May
59.5°F
128.5
June
68.2°F
187.2
July
76.1°F
324.8
August
79.7°F
322.2
September
72.1°F
235.1
October
57.4°F
160.8
November
46.8°F
214.7
December
34.3°F
175.5
Dewa Sanzan weather for the next seven days
3/6
Friday
Patchy rain nearby
48.6°F/30.2°F
3/7
Saturday
Moderate rain
43.3°F/33°F
3/8
Sunday
Moderate or heavy snow showers
36.1°F/31.8°F
3/9
Monday
Patchy rain nearby
39.7°F/31°F
3/10
Tuesday
Moderate or heavy snow showers
37.5°F/30.9°F
3/11
Wednesday
Light snow
39.3°F/27.1°F
3/12
Thursday
Moderate snow
38.6°F/26°F
