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Unnan

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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

4/1
Wednesday
Patchy rain nearby
12.2°C/9.6°C
4/2
Thursday
Patchy rain nearby
12.5°C/7°C
4/3
Friday
Sunny
18.3°C/6.8°C
4/4
Saturday
Moderate rain
17°C/10.5°C
4/5
Sunday
Patchy rain nearby
18.7°C/11.4°C
4/6
Monday
Cloudy
15.6°C/9.7°C
4/7
Tuesday
Sunny
13.7°C/8°C

Unnan Frequently Asked Questions and Useful Information for Travel

What makes Yunnan a unique destination?

Yunnan is famous for its breathtaking and diverse natural landscapes, including the Stone Forest, the snow-capped Himalayas, and the tropical jungles of Xishuangbanna, earning it the title "Kingdom of Plants and Animals." It's also renowned for its rich ethnic diversity, hosting nearly half of China's 56 officially recognized ethnic minorities, contributing to a vibrant cultural tapestry. Additionally, Yunnan is celebrated for its delicious mushroom cuisine and as the birthplace of tea, boasting historical sites like Lijiang Old Town and scenic areas like the Hani Rice Terraces.

When is the best time to visit Yunnan, and which months should be avoided?

While Yunnan offers year-round appeal, if you dislike heavy rainfall and wish to avoid wet weather, the rainy season from June to August might be the least ideal time to visit. Many areas, particularly in the south such as Xishuangbanna, experience frequent and sometimes torrential rain during these months.

Is Yunnan a province within China?

Yes, Yunnan is the most southwestern province in China, with the Tropic of Cancer running through its southern part. The province covers an area of 394,100 km², representing 4.1% of the nation's total. The northern part of the province is situated on the Yunnan–Guizhou Plateau.

What are the key natural attractions in Yunnan?

Yunnan boasts a wide range of natural beauty, from the high-altitude peaks of the Himalayas in the north to the tropical rainforests and river valleys in the south. The province is a hotspot for biodiversity, featuring a vast number of plant and animal species, including many rare and endangered ones. Key natural attractions include the Stone Forest (Shilin), the towering Jade Dragon Snow Mountain, and the intricate Yuanyang Hani Rice Terraces.

How long has Yunnan been part of China?

The Province of Yunnan was established in 1274, and the region has been incorporated within China since that time.