Yunan China has a 'coldish' Spring weather. Morning temperatures can be cold. Day time temperatures is between 18-25 degrees. Night temperatures can drop to zero (depending on regions). Night temperatures between 5-10 degress is about average. Blue skies is quite often.
Bring a light pull over, just incase as well as for long bus journeys.
Most Chinese are very casual dressers so wearing what is comfortable is quite acceptable.
Must haves :
A waterproof outer jacket in case we encounter rain.
A good pair of comfortable trekking shoes and flip flops.
Sunscreen and sunglasses.
p.s You can do your travel clothing needs easily (if more warm clothing is needed) in Kunming at very good prices.
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