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Unnan Weather, Climate and Best Time to Visit

Data source:Meteostat
Update date:2025-09

Unnan year round climate

  • Spring (March–May): Average 9.4–18.0°C, mild climate with gradually increasing rainfall, but overall comfortable. Common activities: Hiking, flower viewing. Recommended clothing: Light jacket, long-sleeved shirt.
  • Summer (June–August): Average 22.6–28.3°C, hot and humid, abundant rainfall, especially in July. Common activities: Summer resort, indoor activities. Recommended clothing: Light and breathable clothing, rain gear.
  • Autumn (September–November): Average 17.5–25.0°C, comfortable climate, decreasing rainfall, gradually decreasing temperature. Common activities: Outdoor excursions, maple viewing (in some areas). Recommended clothing: Light jacket, long-sleeved shirt.
  • Winter (December–February): Average 5.0–6.9°C, cold and dry, less rainfall. Common activities: Hot springs, indoor activities. Recommended clothing: Warm clothing, thick coat.

Unnan climatological average

Annual average temperature: approx. 16°C / Annual rainfall: approx. 1696 mm / Summer humidity: 70%–80% / Rainiest month: July

Unnan monthly average temperature and precipitation

Month
Air temperature (°C)
Precipitation (mm)
January
5°C
94.2
February
5.3°C
92.1
March
9.4°C
116.3
April
14.2°C
137.7
May
18°C
130.5
June
22.6°C
158.1
July
27.1°C
273.9
August
28.3°C
209.1
September
25°C
154
October
17.5°C
98.6
November
12.6°C
134.2
December
6.9°C
97.5

Unnan weather for the next seven days

8/16
Sunday
Light rain shower
27.8°C/22.9°C
8/17
Monday
Partly Cloudy
28.5°C/22.9°C
8/18
Tuesday
Sunny
30.7°C/22.3°C
8/19
Wednesday
Sunny
31.6°C/23.4°C
8/20
Thursday
Patchy rain nearby
31.5°C/24°C
8/21
Friday
Patchy rain nearby
30.7°C/24.4°C
8/22
Saturday
Patchy rain nearby
31°C/24.1°C