Lanzhou

Northern China (Beijing, Xi'an, Harbin)

Best Time: April to October

Month	Best Time	Average Time	Worst Time
January
February
March
April
May
June
July
August
September
October
November
December

Climate: Northern China experiences hot summers and cold winters, with spring and autumn offering the most comfortable weather. Summer months (June to August) are ideal for outdoor exploration but can be crowded. Winter (December to February) is very cold, especially in places like Harbin.

Worst Time: January and February can be extremely cold with snow, especially in the northernmost regions like Harbin.

Central China (Shanghai, Hangzhou, Nanjing)

Best Time: April to June and September to October

Month	Best Time	Average Time	Worst Time
January
February
March
April
May
June
July
August
September
October
November
December

Climate: Central China has mild springs (April to June) and pleasant autumns (September to October). Summers (July to August) are hot and humid, while winters (December to February) are cold and often wet.

Worst Time: January and February can be cold and damp, making it less ideal for travel.

Southern China (Guangzhou, Guilin, Hong Kong)

Best Time: October to December

Month	Best Time	Average Time	Worst Time
January
February
March
April
May
June
July
August
September
October
November
December

Climate: Southern China has a subtropical climate, with hot, humid summers and mild winters. The best time to visit is from October to December, when the weather is pleasant, and there is little rain.

Worst Time: June to August brings heavy rains, high humidity, and the risk of typhoons, particularly along the coast.

Key:

•  Green: Best time to visit.
•  Orange: Average time to visit, decent weather but with some drawbacks.
•  Red: Worst time to visit due to extreme weather conditions (heat, cold, or rain).