Yangzhou features humid climate in the subtropical zone, and its annual average temperature is Centigrade 15. In July, its average temperature is Centigrade 27.6. The coldest month is January, with an average temperature of Centigrade 1.5. The frost-free season is about 222 days, and its duration of yearly sunshine is about 2,176.7 hours. In Yangzhou winter lasts from December to February, spring from March to May, summer from June to August, and autumn from September to November. The annual average precipitation is 1,030 millimeters, and about 45 percent of rainfall is concentrated in summer, 9.5 percent in winter and 22-23 percent in spring and autumn respectively. The rainy season known as “plum rain season” usually lasts from mid-June to late July. During this season, plum is ripening, hence the name plum rain.

Detailed information about the Average, Maximun and
Minimum Temperatures and the rainfall in Yangzhou.

Average Data
Jan
Feb
Mar
Apr
May
June
July
Aug
Sep
Oct
Nov
Dec
Average High (℉)
42/46
45/49
55/58
66/70
76/80
83/86
88/92
88/92
80/84
70/74
59/63
47/51
Average High (℃)
6/8
7/9
13/15
19/21
24/26
28/30
31/33
31/33
27/29
21/23
15/17
8/10
Average Low (℉)
28/31
30/34
38/42
49/52
59/62
67/71
74/78
7?4/77
65/68
53/57
42/45
31/34
Average Low (℃)
-2/-0
-1/1
3/5
9/11
15/17
19/21
23/25
23/25
18/20
12/14
5/7
-1/1
Rain (in) 1.1/1.2 1.6/1.7 2.5/2..6 3.1/3.2 3.4/3.5 5.7/5.8 8.0/8.1 5.1/5.2 4.8/4.9
2.1/2.2 2.0/2.1 1.0/1.1
Rain (mm) 30/35 40/45 60/65 80/85 85/90 145/150 205/210 130/135 120/125 50/55 50/55 25/30