Annual mean 18°C · wettest around June · prevailing wind NE
Warmest
32.9 °C
Coldest
5.4 °C
Wettest
45%
Windiest
4.2 m/s
Prevailing
NE
3.7 m/s average
When this place is good five ratings · thirty-six ten-day sections · click a cell to read it
never good
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Every reading
bars actual · line feels-like, °Cchance of rain, %wind speed, m/ssky covered, %
The average temperature in Changshu over the whole year is 18°C. August is the hottest month, with highs of about 32°C; January is the coldest, with lows of about 3°C. Changshu has no sharply defined rainy season: the chance of rain on a given day runs from 20% in December, the driest month, to 35% in June, the wettest. Winds in Changshu are highest in July, averaging 3.4 m/s (12 km/h), and lightest in June, at 2.9 m/s (10 km/h). The prevailing wind is from the NE. The clearest skies in Changshu come in December, when the sky is typically 59% covered; June is the cloudiest month, at 72%.
Month by month Changshu climate by month: average temperatures year round · click a month to read it
Month
High
Low
Feels like
Chance of rain
Cloud
Wind
Being outside
Sun
Walking
January
7°C
3°C
3°C
26%
67%
3.0 m/s
2
0
24
February
9°C
4°C
4°C
28%
66%
3.2 m/s
4
0
31
March
14°C
9°C
11°C
28%
66%
3.3 m/s
24
2
65
April
20°C
13°C
17°C
22%
65%
3.2 m/s
60
11
72
May
24°C
19°C
23°C
23%
69%
3.2 m/s
72
35
43
June
27°C
23°C
29°C
35%
72%
2.9 m/s
34
53
10
July
32°C
27°C
35°C
30%
67%
3.4 m/s
5
24
1
August
32°C
27°C
36°C
26%
65%
3.1 m/s
4
19
1
September
27°C
23°C
29°C
30%
70%
3.0 m/s
36
54
10
October
22°C
17°C
21°C
25%
67%
3.2 m/s
75
16
63
November
17°C
12°C
14°C
24%
66%
3.0 m/s
50
3
74
December
10°C
5°C
6°C
20%
59%
3.0 m/s
6
0
42
High and low are the warmest and coolest of four readings a day — midnight, 6am, noon and 6pm — so a true overnight low can sit a degree or two under them. Chance of rain, cloud and wind are the day’s average; feels-like and the three ratings (each out of 100: Good from 55, Ideal from 80) are read at midday.
Seasons, and the year in short Changshu weather by season
Year round, Changshu has days of about 7°C at their warmest in January, its coolest month, and 32°C in August, its warmest; the coolest hours of the day run from 3°C to 27°C through the year, and the average temperature over the year is 18°C around the clock. Rain is most likely around June and least likely around December. Every figure here is a decade of observations blended into one representative year, so it reads as what this date is usually like, not a forecast for one particular day.
Changshu weather in winterDecember to February
High 8°CLow 4°CRain 25%
Winter in Changshu has typical daily highs of about 8°C and lows of about 4°C, with a 25% chance of rain on a given day.
Changshu weather in springMarch to May
High 19°CLow 14°CRain 24%
Spring in Changshu has typical daily highs of about 19°C and lows of about 14°C, with a 24% chance of rain on a given day.
Changshu weather in summerJune to August
High 30°CLow 26°CRain 31%
Summer in Changshu has typical daily highs of about 30°C and lows of about 26°C, with a 31% chance of rain on a given day.
Changshu weather in autumnSeptember to November
High 22°CLow 17°CRain 26%
Autumn in Changshu has typical daily highs of about 22°C and lows of about 17°C, with a 26% chance of rain on a given day.
When is the rainy season in Changshu?
Changshu has no sharply defined rainy season: the chance of rain on a given day runs from 20% in December, the driest month, to 35% in June, the wettest.
What time of year is Changshu windiest?
Winds in Changshu are highest in July, averaging 3.4 m/s (12 km/h), and lightest in June, at 2.9 m/s (10 km/h). The prevailing wind is from the NE.
What is the average temperature in Changshu year round?
The average temperature in Changshu over the whole year is 18°C. August is the hottest month, with highs of about 32°C; January is the coldest, with lows of about 3°C.