Yunnan has no single climate, more like a series of micro-climates, mostly dependent upon elevation. In the Northwest winters are cold and dry, and summers are long and mild.
Southern Yunnan is hot and wet. Monsoon season lasts from about May to October.
Real time weather:

Average temperatures and rainfall:
KUNMING
| Month |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
| Average Temperature (ºC) |
8 |
9 |
13 |
18 |
23 |
26 |
28 |
27 |
25 |
20 |
15 |
10 |
| Average Rainfall (mm) |
13 |
11 |
16 |
27 |
95 |
178 |
221 |
212 |
91 |
91 |
41 |
14 |
DALI
| Month |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
| Average Temperature (ºC) |
8 |
10 |
13 |
16 |
19 |
20 |
20 |
18 |
18 |
15 |
12 |
9 |
| Average Rainfall (mm) |
14 |
22 |
33 |
21 |
67 |
209 |
184 |
239 |
164 |
100 |
33 |
15 |
LIJIANG
| Month |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
| Average Temperature (ºC) |
6 |
8 |
10 |
13 |
17 |
18 |
18 |
17 |
16 |
13 |
9 |
6 |
| Average Rainfall (mm) |
1 |
6 |
11 |
21 |
59 |
180 |
238 |
220 |
143 |
70 |
13 |
4 |
|