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Dewa Sanzan
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 4.4–15.3°C, 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 20.1–26.5°C, 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 8.2–22.3°C, 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 -0.1–1.3°C, 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. 12.3°C / Annual rainfall: approx. 2218 mm / Summer humidity: 70%–80% / Rainiest month: July
Dewa Sanzan monthly average temperature and precipitation
Month
Air temperature (°C)
Precipitation (mm)
January
-0.1°C
148.1
February
0.4°C
93
March
4.4°C
111.6
April
10.9°C
117
May
15.3°C
128.5
June
20.1°C
187.2
July
24.5°C
324.8
August
26.5°C
322.2
September
22.3°C
235.1
October
14.1°C
160.8
November
8.2°C
214.7
December
1.3°C
175.5
Dewa Sanzan weather for the next seven days
1/20
Tuesday
Blizzard
0.1°C/-5.4°C
1/21
Wednesday
Moderate or heavy snow showers
-2.7°C/-5.4°C
1/22
Thursday
Moderate or heavy snow showers
-2.4°C/-7.2°C
1/23
Friday
Moderate or heavy snow showers
-2.1°C/-5.8°C
1/24
Saturday
Moderate or heavy snow showers
-1.1°C/-8.4°C
1/25
Sunday
Moderate or heavy snow showers
-1.5°C/-5.4°C
1/26
Monday
Moderate or heavy snow showers
-0.3°C/-9°C
