Annual mean 18°C · wettest around June · prevailing wind NE
Warmest
33.3 °C
Coldest
7.4 °C
Wettest
45%
Windiest
3.6 m/s
Prevailing
NE
3.1 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 Hangzhou over the whole year is 18°C. August is the hottest month, with highs of about 33°C; January is the coldest, with lows of about 4°C. The rainy (wet) season in Hangzhou runs from June to July, peaking in June with a 42% chance of rain on a given day. The dry season is August to January; December is the driest month, at 21%. Winds in Hangzhou are highest in July, averaging 2.9 m/s (10 km/h), and lightest in June, at 2.5 m/s (9 km/h). The prevailing wind is from the NE. The clearest skies in Hangzhou come in December, when the sky is typically 55% covered; June is the cloudiest month, at 67%.
Month by month Hangzhou 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
8°C
4°C
5°C
30%
62%
2.6 m/s
4
0
34
February
9°C
5°C
6°C
33%
64%
2.7 m/s
8
1
39
March
15°C
10°C
12°C
32%
62%
2.8 m/s
31
5
66
April
21°C
14°C
19°C
27%
61%
2.8 m/s
63
19
62
May
25°C
19°C
25°C
30%
65%
2.7 m/s
58
42
31
June
28°C
23°C
30°C
42%
67%
2.5 m/s
23
44
7
July
32°C
27°C
36°C
33%
64%
2.9 m/s
4
15
2
August
33°C
27°C
37°C
27%
61%
2.8 m/s
4
12
2
September
28°C
23°C
30°C
28%
64%
2.7 m/s
31
49
9
October
22°C
17°C
21°C
24%
64%
2.8 m/s
73
19
59
November
17°C
12°C
15°C
25%
61%
2.5 m/s
53
5
73
December
10°C
5°C
6°C
21%
55%
2.6 m/s
7
0
47
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 Hangzhou weather by season
Year round, Hangzhou has days of about 8°C at their warmest in January, its coolest month, and 33°C in August, its warmest; the coolest hours of the day run from 4°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.
Hangzhou weather in winterDecember to February
High 9°CLow 5°CRain 28%
Winter in Hangzhou has typical daily highs of about 9°C and lows of about 5°C, with a 28% chance of rain on a given day.
Hangzhou weather in springMarch to May
High 20°CLow 14°CRain 30%
Spring in Hangzhou has typical daily highs of about 20°C and lows of about 14°C, with a 30% chance of rain on a given day.
Hangzhou weather in summerJune to August
High 31°CLow 26°CRain 34%
Summer in Hangzhou has typical daily highs of about 31°C and lows of about 26°C, with a 34% chance of rain on a given day.
Hangzhou weather in autumnSeptember to November
High 22°CLow 17°CRain 25%
Autumn in Hangzhou has typical daily highs of about 22°C and lows of about 17°C, with a 25% chance of rain on a given day.
When is the rainy season in Hangzhou?
The rainy (wet) season in Hangzhou runs from June to July, peaking in June with a 42% chance of rain on a given day. The dry season is August to January; December is the driest month, at 21%.
What time of year is Hangzhou windiest?
Winds in Hangzhou are highest in July, averaging 2.9 m/s (10 km/h), and lightest in June, at 2.5 m/s (9 km/h). The prevailing wind is from the NE.
What is the average temperature in Hangzhou year round?
The average temperature in Hangzhou over the whole year is 18°C. August is the hottest month, with highs of about 33°C; January is the coldest, with lows of about 4°C.