Hangzhou weather in October

In October, Hangzhou sees average daytime highs of 24°C and overnight lows near 16°C, with 59 mm of rain across 6.3 wet days and about 11.3 hours of daylight. It is the 6th-warmest and 12th-wettest month of the year here.

Highs ease over the month, from about 26°C in the first days to 22°C by the end. The sky is clear or mostly clear about 39% of the time in October, and the air most often feels dry.

Daylight stretches from about 11 h 42 min at the start of October to 10 h 48 min by month's end. Set against the rest of the year, October is Hangzhou's 2nd-clearest and 6th-windiest month. For the whole year in context, see Hangzhou's year-round climate.

Daytime high
24°
6th warmest
Overnight low
16°
7th coldest
Rainfall
59 mm
6.3 wet days
Daylight
11 h 18 min
6:07 AM – 5:22 PM
Cloud cover
54%
2nd clearest
Wind
9 km/h
6th windiest
Solar energy
3.49 kWh/m²
Travel score
7.4
out of 10

Hangzhou is capital of Zhejiang Province, China.

Air quality
High
PM2.5 29.5 µg/m³ · 2019
Density
548/km²
people per km²

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in October

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 26°C in the first days to 22°C by the end.

A typical October day in Hangzhou reaches about 24°C in the afternoon and slips back to 16°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 20°C and 28°C. Set against its neighbours, October runs about 5°C cooler than September and about 6°C warmer than November.

10°20°30°151015202531
Avg high (°C)Avg low (°C)
12619
22619
32618
42618
52518
62518
72518
82518
92517
102517
112417
122417
132417
142416
152416
162416
172416
182316
192315
202315
212315
222315
232315
242214
252214
262214
272214
282214
292213
302113
312113

How October really feels in Hangzhou

Once humidity and wind are folded in, October averages 0 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

October sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Hangzhou weather by month

How October compares with the rest of the year at a glance. October is the 6th-warmest and 12th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 8010.41.610.31.7
Feb11° / 739.9110.92.7
Mar16° / 11913.50.211.84.4
Apr22° / 13°13112.1012.76.0
May27° / 18°15712.2013.56.1
Jun29° / 22°30316.2013.94.5
Jul34° / 26°17312.9013.82.8
Aug33° / 26°14114.8013.13.0
Sep29° / 22°9810.1012.25.6
Oct24° / 16°596.3011.37.4
Nov18° / 10°658.5010.55.9
Dec12° / 597.50.410.13.2

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 39% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 12% of October, with mostly cloudy or overcast conditions the remaining 49%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14456
24357
34456
44456
54555
64555
74753
84753
94852
104951
114951
125050
135149
145149
155248
165347
175347
185446
195446
205446
215446
225545
235545
245545
255545
265644
275644
285644
295644
305644
315644

Chance of precipitation in October

Any precipitation

Hangzhou gets around 59 mm of rain over 6.3 wet days in October, the driest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 21% and peaks near 25% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
125
225
324
424
524
623
723
823
922
1022
1122
1221
1321
1420
1520
1620
1719
1819
1919
2019
2119
2219
2319
2419
2519
2619
2719
2819
2920
3020
3120

Humidity in October

DryComfortableHumidMuggyOppressiveMiserable

Most of October feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, October lands in the dry band about 31% of days. Sticky, muggy-or-worse air turns up on roughly 18% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
19222828122
210232827112
310242827101
41125282591
51227282481
61328282371
71529282261
81630282151
91731272041
101931271940
112132261830
122232261720
132433251620
142632251520
152832241410
163032231310
173232221210
183432221110
193632211110
203832201010
21403218910
22423217810
23443217710
24463116710
25483015600
26502915600
27522814600
28542714500
29562613500
30572513500
31582413500

Wind in October

Winds average 9 km/h in October.

Across October, daily wind ranges from about 8 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
279calm
288calm
298calm
308calm
318calm

Sunrise & sunset in October

DaylightNight

Daylight runs from about 11 h 42 min at the start of October to 10 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 54 minutes over October. Sunrise moves from 5:57 AM to 6:18 AM, and sunset from 5:40 PM to 5:08 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.75:575:40
211.75:585:38
311.65:585:37
411.65:595:36
511.66:005:35
611.66:005:33
711.56:015:32
811.56:015:31
911.56:025:30
1011.46:035:29
1111.46:035:28
1211.46:045:26
1311.36:055:25
1411.36:055:24
1511.36:065:23
1611.36:075:22
1711.26:085:21
1811.26:085:20
1911.26:095:19
2011.16:105:18
2111.16:105:17
2211.16:115:16
2311.06:125:15
2411.06:135:14
2511.06:135:13
2611.06:145:12
2710.96:155:11
2810.96:165:10
2910.96:165:09
3010.96:175:09
3110.86:185:08

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 3.49 kWh/m².

For context, solar energy here swings from a low near 2.46 kWh/m² to a high of 5.27 kWh/m² in July across the year — October's 3.49 kWh/m² falls in the middle.

01234151015202531
Solar energy (kWh/m²)Level
13.6Moderate
23.6Moderate
33.6Moderate
43.6Moderate
53.6Moderate
63.6Moderate
73.6Moderate
83.5Moderate
93.5Moderate
103.5Moderate
113.5Moderate
123.5Moderate
133.5Moderate
143.5Moderate
153.5Moderate
163.5Moderate
173.5Moderate
183.5Moderate
193.5Moderate
203.5Moderate
213.5Moderate
223.4Moderate
233.4Moderate
243.4Moderate
253.4Moderate
263.4Moderate
273.3Moderate
283.3Moderate
293.3Moderate
303.3Moderate
313.2Moderate
Planning a trip in October

Hazard calendar for Hangzhou

In seasonPeak

In October, Hangzhou sits inside its pacific typhoon season. The full year is below, with each hazard's peak months called out.

Hangzhou sits in the Pacific typhoon belt; the season peaks July–October.

Hangzhou's rainy season runs May–August, when most of the year's rain falls.

Pacific typhoon
Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is October a good time to visit Hangzhou?

Our two travel scores rate October for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

7.4
Sightseeing
1st-best month of the year
6.0
Beach & pool
3rd-best month of the year

October is one of the better times to visit Hangzhou for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Hangzhou in October

From October's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In October, Hangzhou sees daytime highs around 24°C and nights near 16°C. Worth packing: light clothes. About 6 days see rain.

light clothes

Sea temperature near Hangzhou in October

The nearest coast averages about 22°C in October — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 45 km away) is warmest in August at about 29°C and coldest in February near 7°C.

It's comfortable for a long swim from May 22 to Oct 29 — about 5.3 months when the water holds above 20°C.

10°20°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan8Bracing
Feb7Bracing
Mar10Bracing
Apr14Bracing
May19Cool
Jun24Refreshing
Jul27Warm
Aug29Tropical
Sep26Warm
Oct22Refreshing
Nov17Cool
Dec12Bracing

UV index in Hangzhou in October

LowModerateHighVery highExtreme

Clear-sky midday UV in October peaks around 5 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Hangzhou peaks around July 20 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near January 10 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highModerateJul 20UV 10Jan 10UV 3
UV index (midday)Level
Jan3Moderate
Feb5High
Mar6High
Apr7Very high
May8Very high
Jun8Very high
Jul10Very high
Aug9Very high
Sep10Very high
Oct5Moderate
Nov4Moderate
Dec3Moderate

Air quality in Hangzhou in October

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where October falls, not just the annual average.

Air quality in Hangzhou is worst in December — around 39 µg/m³ PM2.5 (poor), about 2.2× the cleanest month (August, 18 µg/m³).

Seasonal pattern from CAMS reanalysis, scaled to Hangzhou's WHO annual average of 29.5 µg/m³.

0204060JanFebMarAprMayJunJulAugSepOctNovDecPoorModeratePoorDec 2339 µg/m³Aug 1118 µg/m³
PM2.5 (µg/m³)Level
Jan39Poor
Feb37Poor
Mar36Poor
Apr32Moderate
May27Moderate
Jun24Moderate
Jul19Moderate
Aug18Moderate
Sep23Moderate
Oct27Moderate
Nov33Moderate
Dec39Poor
Location & terrain

Where is Hangzhou?

Hangzhou sits at 30.3°N, 120.2°E, 12 m above sea level, in China. The nearest listed city is Pingyao, 22 km away.

Fuzhou

Topography around Hangzhou

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Hangzhou.

Within 3 km, the terrain around Hangzhou has only modest variations in elevation — a maximum elevation change of 28 m around an average of 10 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 415 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,634 m.

The land around Hangzhou is covered by artificial surfaces (77%) within 3 km, artificial surfaces (48%) and trees (26%) within 16 km, and trees (51%) and cropland (22%) within 80 km.

3 km
28 m
16 km
415 m
80 km
1,634 m
treesgrasslandcroplandartificial surfacesbare terrainwater
October weather nearby: Pingyao 22 km · Suzhou 120 km · Ningbo 141 km · Wuxi 142 km · Shanghai 161 km · Tunxi 189 km · Nanjing 237 km · Fuzhou 478 km

China travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type A / I
220 V · 50 Hz
Prices
≈ 47% of US
price level, 2025
GDP per capita
$13,862
2025
Happiness
6.1 / 10
World Happiness, 2025
Homicide rate
0.5
per 100k, 2020
Road deaths
17.4
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Low
EF EPI 464
Religion
unaffiliated 52%folk religion 22%Buddhist 18%Christian 5%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Hangzhou (30.2936°, 120.1614°, elevation 12 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).