AI-generatedHangzhou at a glance
- Best time
- Apr – May, Sep – Nov
- Warmest month
- Jul · 33°
- Warmest sea
- Aug · 29.2°
- Sunshine a year
- 1,650 h
- Rain a year
- 1,434 mm
- Climate
- Temperate
- Time zone
- UTC+8
- Elevation
- 12 m
Climate in Hangzhou
Hangzhou has a temperate climate with warm summers and cool winters. July is the warmest month with average highs of 33 °C, while January is the coolest at 9 °C. With around 1,650 hours of sunshine a year, Hangzhou is moderately sunny; July is the sunniest month with 6.6 hours a day.
Holiday weather through the year
Weather in October
Holiday weather in October
Good
Best time to visit: April – May, September – November
October is the peak of the typhoon season
Good forBeach & swimmingSightseeing & walks
Keep in mindStorm season
A typical day in October
- Morning, 08:00: about 19°
- Midday, 13:00: about 23°
- Afternoon, 16:00: about 22°
- Evening, 20:00: about 19°
- Night, 23:00: about 17°
06:0017:29
Pleasant evenings; a light layer can help.
Estimated from the average high and low: coolest around sunrise, warmest in mid-afternoon.
Light for photos in October
- Golden hour
- Morning 05:46–06:33 · evening 16:57–17:44
- Blue hour
- Morning 05:36–05:46 · evening 17:44–17:54
Golden hour: the sun between 4° below and 6° above the horizon; blue hour: 6° to 4° below it. Times for the 15th of the month; mountains and clouds shift the light.
What is the weather like in Hangzhou in October?
In October, Hangzhou is warm: daytime highs average 23 °C, and nights cool down to about 15 °C. The sea averages 22.5 °C – refreshing for a swim. Expect around 5 hours of sunshine a day. Rain falls on about 7 days, adding up to 61 mm. All in all, October is a good month for a holiday in Hangzhou.
More details for October
- Daylight
- 11 h 29 min06:00 – 17:29
- UV index
- 6 · highclear sky, noon (estimate)All months
- Muggy days
- 6 daysdew point 18 °C or moreAll months
- Wind
- 14 km/haverage daily peakAll months
- Cloud cover
- 55 %on averageAll months
- Hot days
- 1 day30 °C or moreAll months
- Snow days
- 0 days1 cm or more of fresh snow
- Time zone
- UTC+8Asia/Shanghai
How the score comes together
- Temperatureweight 50 %100 %
- Sunshineweight 20 %27 %
- Few rainy daysweight 30 %79 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in October
- Swimwear
- Sunscreen
- Sunglasses & sun hat
- A jumper for the evenings
Sea temperature in Hangzhou
Monthly sea surface temperature with the range of cooler and warmer years.
8 in 10 years: 21.3 – 23.6 °C
Swimming season: May – Oct
- cold
- fresh
- refreshing
- pleasant
- warm
- very warm
The sea temperature in Hangzhou ranges from 7.5 °C in February to 29.2 °C in August. It is warm enough for a comfortable swim (20 °C and more) from May to October.
The sea warms up slowly: it is warmest in August, while the air already peaks in July. In December the sea is even warmer than the afternoon air. The sea temperature varies from year to year: in August, eight out of ten years were between 27.9 and 31.0 °C.
| Month | Average | Cool year | Warm year | Feels |
|---|---|---|---|---|
| JanuaryJan | 8.3° | 6.8° | 10.0° | cold |
| FebruaryFeb | 7.5° | 6.1° | 8.9° | cold |
| MarchMar | 10.4° | 8.6° | 12.3° | cold |
| AprilApr | 14.8° | 12.8° | 17.7° | cold |
| MayMay | 20.1° | 18.7° | 22.1° | refreshing |
| JuneJun | 24.1° | 22.9° | 25.4° | pleasant |
| JulyJul | 27.7° | 26.0° | 29.7° | warm |
| AugustAug | 29.2° | 27.9° | 31.0° | very warm |
| SeptemberSep | 26.8° | 25.5° | 28.2° | warm |
| OctoberOct | 22.5° | 21.3° | 23.6° | refreshing |
| NovemberNov | 17.5° | 16.4° | 18.7° | fresh |
| DecemberDec | 12.1° | 10.4° | 13.9° | cold |
Sunshine hours in Hangzhou
Average hours of bright sunshine per day, next to the length of the day. Tap a month to select it.
In October, the sun shines for about 4.6 of 11.5 hours of daylight in Hangzhou, 40 % of the day.
Sunshine hours: measured at the weather station 7 km away, averages 1991–2020 (WMO climate normals). Daylight is the time from sunrise to sunset on the 15th of the month.
UV index in Hangzhou
How strong the sun is at noon, month by month, and how quickly unprotected skin burns.
- Clear-sky UV in October
- 6 · highSeek shade around midday; sunscreen SPF 30+, hat and sunglasses.
The sun is strongest in June (UV 11).
Minutes until sunburn in October
- Very fair skin
- about 20 min
- Fair skin
- about 25 min
- Light brown skin
- about 35 min
- Olive skin
- about 45 min
Rough guide for unprotected skin at noon under a clear sky; clouds lengthen it, water, sand and snow shorten it. Sunscreen extends the time only partly.
Monthly values: clear-sky noon estimate from the sun's angle, ozone and altitude. UV today: Open-Meteo forecast.
Rain in Hangzhou: rainy days and rainfall
A rainy day is a day with at least 1 mm of rain or snow; the amount is what falls in the whole month. Tap a month to select it.
In October, Hangzhou has about 7 rainy days with 61 mm of rain in total.
Wind and clouds in Hangzhou
How breezy and how cloudy Hangzhou is through the year. Tap a month to select it on the whole page.
Wind
Typical daily peak of the wind in km/h: what the afternoon breeze usually reaches, not the gusts.
In October, the wind in Hangzhou typically peaks at 14 km/h during the day: Beaufort 3, light breeze.
Breezy months for windsurfing and kiting
The daily breeze rarely reaches Beaufort 4 (20 km/h), so wind sports depend on single windy days.
Clouds
Average share of the sky covered by cloud, day and night.
In October, cloud covers on average 55 % of the sky over Hangzhou: variable cloud, with about 4.6 hours of sunshine a day.
Wind: mean daily maximum of the hourly wind 10 m above ground (ERA5, 1996–2025). Gusts are stronger, and the model grid of about 28 km smooths out local effects such as capes and valley winds. Clouds: mean total cloud cover of all layers over day and night (ERA5, 1996–2025). Thin high cloud counts as cover even when the sun still shines through.
Heat and humidity in Hangzhou
How often the day gets hot in Hangzhou (30 °C and more), and in which months heat and humidity come together. Tap a month to select it.
Heat calendar
- pleasant
- some hot or muggy days
- often muggy
- often hot
- hot and muggy
In October, Hangzhou has about 1 hot days, with an average daytime high of 23 °C: some hot or muggy days. Single hot or muggy days are possible; a hat and water bottle are enough.
Hot days reach at least 30 °C; a month counts as muggy when the mean dew point reaches 18 °C on at least 15 days. Averages from ERA5 and ERA5-Land, 1996–2025. Muggy nights through the year
Climate through the year
Long-term monthly averages. Tap a month to see its details.
Nights and sleep in Hangzhou
How warm the nights get in each month, from the mean night-time low. Tap a month for details.
- Cold 0–8°
- Cool 8–15°
- Pleasant 15–20°
- Warm 20–24°
- Hot 24° and more
- muggy month (10+ muggy days)
PleasantOctober: nights around 15°. Ideal for sleeping, often with the window open. Muggy on about 6 days (dew point 18 °C or more).
The coolest nights are in January (1°), the warmest in July (26°). Tropical nights of 20 °C and more are the rule from June to September; then air conditioning or a fan helps you sleep. Nights are pleasant for sleeping (15 to 20 °C) in May and in October. Nights fall below 8 °C on average from December to March, so the room should be heated. It is muggy (dew point 18 °C or more) on about 129 days a year, mostly from May to September.
Temperatures through the year
Average daytime high, night-time low and sea temperature per month.
| Month | Score | Day | Night | Sea | Sun | Rain days | Rain mm |
|---|---|---|---|---|---|---|---|
| JanuaryJan | 23 | 9° | 1° | 8.3° | 3.1 h | 10 | 75 |
| FebruaryFeb | 33 | 11° | 3° | 7.5° | 3.5 h | 11 | 76 |
| MarchMar | 54 | 16° | 7° | 10.4° | 3.9 h | 13 | 114 |
| AprilApr | 69 | 22° | 12° | 14.8° | 4.8 h | 12 | 120 |
| MayMay | 70 | 26° | 17° | 20.1° | 5.1 h | 12 | 150 |
| JuneJun | 47 | 29° | 21° | 24.1° | 4.0 h | 17 | 298 |
| JulyJul | 34 | 33° | 26° | 27.7° | 6.6 h | 14 | 170 |
| AugustAug | 33 | 33° | 25° | 29.2° | 6.1 h | 15 | 138 |
| SeptemberSep | 64 | 28° | 21° | 26.8° | 4.7 h | 11 | 106 |
| OctoberOct | 79 | 23° | 15° | 22.5° | 4.6 h | 7 | 61 |
| NovemberNov | 71 | 18° | 9° | 17.5° | 4.0 h | 9 | 69 |
| DecemberDec | 41 | 11° | 3° | 12.1° | 3.6 h | 7 | 55 |
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences
30.29° N, 120.16° E · 12 m · Asia/Shanghai
Best time to visit Hangzhou
The best time to visit Hangzhou is from April to May and from September to November. For a beach holiday with the sea above 21 °C, go from September to October. For sightseeing, day trips and hiking, conditions are most comfortable in April and from October to November. Rain is most frequent in March and from May to August; the wettest month is June with 298 mm.
Hangzhou through the seasons
How the weather changes over the seasons, with averages for each.
Hangzhou in spring
Mar – May
Good
- 16–26 °C by day
- Sea 15 °C
- 5 h of sun a day
- 37 rainy days in all
Hangzhou in summer
Jun – Aug
Poor
- 29–33 °C by day
- Sea 27 °C
- 6 h of sun a day
- 45 rainy days in all
Hangzhou in autumn
Sep – Nov
Good
- 18–28 °C by day
- Sea 22 °C
- 4 h of sun a day
- 26 rainy days in all
Hangzhou in winter
Dec – Feb
Poor
- 9–11 °C by day
- Sea 9 °C
- 3 h of sun a day
- 28 rainy days in all
Find your perfect month
Tell us what you like and we rate every month in Hangzhou for you.
Your best months: April, October
Based on the climate averages; tap a month to see its details.
Compare two months in Hangzhou
Pick two months to see how the weather differs. A tick marks the clearly better value; for temperatures it depends on your plans.
October has the better holiday weather in Hangzhou: score 79 against 71. In November, days are 5 °C cooler than in October. The sea is 5 °C cooler in November. November has 2 more rainy days. The sun shines an hour less a day in November.
| Month | October | November |
|---|---|---|
| Weather score | 79better | 71 |
| Day high | 23° | 18° |
| Night low | 15° | 9° |
| Sea | 22.5° | 17.5° |
| Sunshine | 4.6 hbetter | 4.0 h |
| Rainy days | 7better | 9 |
| Rainfall | 61 mm | 69 mm |
| Muggy days | 6 | 1better |
Based on the climate averages 1996–2025.
Which month for what?
Beach & swimming
Sep – Oct
Sea from 21 °C, warm and mostly dry
Sightseeing & hiking
Apr, Oct – Nov
15–28 °C and not too much rain
Rainy months
Mar, May – Aug
12 or more rainy days
Hangzhou month by month
The typical weather for every month at a glance.
23January9° · Sea 8° · 3 h
In January, Hangzhou is cold: daytime highs average 9 °C, and nights cool down to about 1 °C. The sea averages 8.3 °C – swimming is only for the hardy. The sun is scarce, with only about 3 hours a day. Rain is frequent, with about 10 rainy days and 75 mm in total. All in all, January is not an ideal month for a holiday in Hangzhou.
Hangzhou in January33February11° · Sea 8° · 4 h
In February, Hangzhou is cool: daytime highs average 11 °C, and nights cool down to about 3 °C. The sea averages 7.5 °C – swimming is only for the hardy. The sun is scarce, with only about 4 hours a day. Rain is frequent, with about 11 rainy days and 76 mm in total. All in all, February is not an ideal month for a holiday in Hangzhou.
Hangzhou in February54March16° · Sea 10° · 4 h
In March, Hangzhou is mild: daytime highs average 16 °C, and nights cool down to about 7 °C. The sea averages 10.4 °C – swimming is only for the hardy. The sun is scarce, with only about 4 hours a day. Rain is frequent, with about 13 rainy days and 114 mm in total. All in all, March is a so-so month for a holiday in Hangzhou.
Hangzhou in March69April22° · Sea 15° · 5 h
In April, Hangzhou is warm: daytime highs average 22 °C, and nights cool down to about 12 °C. The sea averages 14.8 °C – swimming is only for the hardy. Expect around 5 hours of sunshine a day. Rain is frequent, with about 12 rainy days and 120 mm in total. All in all, April is a good month for a holiday in Hangzhou.
Hangzhou in April70May26° · Sea 20° · 5 h
In May, Hangzhou is warm: daytime highs average 26 °C, and nights cool down to about 17 °C. The sea averages 20.1 °C – refreshing for a swim. Expect around 5 hours of sunshine a day. Rain is frequent, with about 12 rainy days and 150 mm in total. All in all, May is a good month for a holiday in Hangzhou.
Hangzhou in May47June29° · Sea 24° · 4 h
In June, Hangzhou is hot: daytime highs average 29 °C, and even at night it stays warm at around 21 °C. The sea averages 24.1 °C – pleasant for swimming. Expect around 4 hours of sunshine a day. It rains often – on about 17 days, adding up to 298 mm. On about 11 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, June is a so-so month for a holiday in Hangzhou.
Hangzhou in June34July33° · Sea 28° · 7 h
In July, Hangzhou is hot: daytime highs average 33 °C, and even at night it stays warm at around 26 °C. The sea averages 27.7 °C – lovely and warm for swimming. The sun shines for around 7 hours a day. Rain is frequent, with about 14 rainy days and 170 mm in total. On about 25 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, July is not an ideal month for a holiday in Hangzhou.
Hangzhou in July33August33° · Sea 29° · 6 h
In August, Hangzhou is hot: daytime highs average 33 °C, and even at night it stays warm at around 25 °C. The sea averages 29.2 °C – almost as warm as a bath. Expect around 6 hours of sunshine a day. It rains often – on about 15 days, adding up to 138 mm. On about 24 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, August is not an ideal month for a holiday in Hangzhou.
Hangzhou in August64September28° · Sea 27° · 5 h
In September, Hangzhou is hot: daytime highs average 28 °C, and even at night it stays warm at around 21 °C. The sea averages 26.8 °C – lovely and warm for swimming. Expect around 5 hours of sunshine a day. Rain is frequent, with about 11 rainy days and 106 mm in total. On about 9 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, September is a good month for a holiday in Hangzhou.
Hangzhou in September79October23° · Sea 23° · 5 h
In October, Hangzhou is warm: daytime highs average 23 °C, and nights cool down to about 15 °C. The sea averages 22.5 °C – refreshing for a swim. Expect around 5 hours of sunshine a day. Rain falls on about 7 days, adding up to 61 mm. All in all, October is a good month for a holiday in Hangzhou.
Hangzhou in October71November18° · Sea 18° · 4 h
In November, Hangzhou is mild: daytime highs average 18 °C, and nights cool down to about 9 °C. The sea averages 17.5 °C – bracing, so a wetsuit helps for longer swims. Expect around 4 hours of sunshine a day. Rain falls on about 9 days, adding up to 69 mm. All in all, November is a good month for a holiday in Hangzhou.
Hangzhou in November41December11° · Sea 12° · 4 h
In December, Hangzhou is cool: daytime highs average 11 °C, and nights cool down to about 3 °C. The sea averages 12.1 °C – swimming is only for the hardy. The sun is scarce, with only about 4 hours a day. Rain falls on about 7 days, adding up to 55 mm. All in all, December is a so-so month for a holiday in Hangzhou.
Hangzhou in DecemberHangzhou compared
Put Hangzhou side by side with another destination.
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Hangzhou vs. Suzhou
In October the holiday weather in Hangzhou and Suzhou is about equally good (score 79 vs. 81). During the day it is about as warm in Suzhou as in Hangzhou.
| in October | Hangzhou | Suzhou |
|---|---|---|
| Holiday score | 79 | 81 |
| Daytime high | 23° | 23° |
| Sea | 23° | – |
| Sunshine | 5 h | 5 h |
| Rainy days | 7 | 7 |
| Best time | Apr – May, Sep – Nov | Apr – May, Sep – Nov |
Through the year
China in October: the best places
In October, Hangzhou ranks 17 among the 31 nearest destinations in this country.
- Beijing19°91
- 2Qingdao19°21°90
- 3Jinan21°89
- 4Shantou27°26°89
- 5Tianjin20°89
- 6Quanzhou27°25°88
- 7Dalian17°19°86
- 8Xiamen28°25°84
- 17HangzhouThis page23°23°79
Planning a trip to Hangzhou
Weather for your travel dates
Pick your arrival and length of stay, and we sum up the weather to expect.
Hangzhou in the school holidays
How the weather suits the usual holiday periods. Dates vary by school and region, so each holiday uses the months it usually falls in.
Hangzhou has its best school-holiday weather during October half-term (score 79) and its weakest during the Christmas holidays (score 32).
- 65
Easter holidays
Mar – Apr
Good
- 20 °C by day
- Sea 13 °C
- 4.5 h of sun a day
- 12 rainy days a month
Keep in mind: Frequent rain
- 65
May half-term
May – Jun
Good
- 27 °C by day
- Sea 21 °C
- 4.9 h of sun a day
- 13 rainy days a month
Keep in mind: Frequent rain
- 33
Summer holidays
Jul – Aug
Poor
- 33 °C by day
- Sea 29 °C
- 6.3 h of sun a day
- 14 rainy days a month
Keep in mind: Frequent rain, Storm season
- 79
October half-term
Oct
GoodBest holidays
- 23 °C by day
- Sea 23 °C
- 4.6 h of sun a day
- 7 rainy days a month
Good for: Beach & swimming, Sightseeing & walks
Keep in mind: Storm season
- 32
Christmas holidays
Dec – Jan
Poor
- 10 °C by day
- Sea 10 °C
- 3.4 h of sun a day
- 9 rainy days a month
Based on the climate averages 1996–2025.
Getting there
Flying from
- Nonstop flight
- about 11 h 40 min
- Distance
- 9,240 km
- Time zone
- UTC+8
- Jet lag
- About 7 days (7 h east)
Rule of thumb for flying east: for a few days before, go to bed and get up a little earlier, and get plenty of morning light at your destination.
Most routes need a change of planes, which adds time.
Estimated from the straight-line distance: 30 minutes for take-off and landing plus 830 km/h cruising speed.
Storm season
Hangzhou lies in an area that Pacific typhoons can reach. The typhoon season runs from June to November, with most storms from August to October. A direct hit on any one place is rare, but if you travel then, keep an eye on weather warnings and book flexibly.
- January
- February
- March
- April
- May
- June: Season
- July: Season
- August: Peak
- September: Peak
- October: Peak
- November: Season
- December
Official season dates of the regional warning centres (NOAA, JMA, IMD, Météo-France, BoM); not a forecast.
Frequently asked questions about Hangzhou
When is the best time to visit Hangzhou?
The best time to visit Hangzhou is from April to May and from September to November. That is when the holiday weather score, which combines temperature, sea, sunshine and rain, is highest.
How warm is the sea in Hangzhou?
The sea temperature in Hangzhou ranges from 7.5 °C in February to 29.2 °C in August. It is warm enough for a comfortable swim (20 °C and more) from May to October.
Can you swim in Hangzhou in October?
Yes. In October the sea averages 22.5 °C – refreshing for a swim.
What is the warmest month in Hangzhou?
July is the warmest month, with average highs of 33 °C and nights around 26 °C. January is the coolest month at 9 °C.
When does it rain most in Hangzhou?
Rain is most frequent in March and from May to August; the wettest month is June with 298 mm. The driest month is December with 55 mm.
How many hours of sunshine does Hangzhou get?
Hangzhou gets around 1,650 hours of sunshine a year. The sunniest month is July with 6.6 hours a day; in January there are 3.1 hours a day.
What time zone is Hangzhou in?
Hangzhou uses the time zone Asia/Shanghai, at UTC+8 all year.
How long is the flight from London to Hangzhou?
A nonstop flight from London to Hangzhou takes about 11 h 40 min, for a straight-line distance of about 9,240 km. Most routes need a change of planes, which adds time.
When is typhoon season in Hangzhou?
Hangzhou lies in an area that Pacific typhoons can reach. The typhoon season runs from June to November, with most storms from August to October. A direct hit on any one place is rare, but if you travel then, keep an eye on weather warnings and book flexibly.
Which school holidays are best for Hangzhou?
Hangzhou has its best school-holiday weather during October half-term (score 79) and its weakest during the Christmas holidays (score 32). Holiday ratings (0–100): Easter holidays 65, May half-term 65, Summer holidays 33, October half-term 79, Christmas holidays 32.
Near Hangzhou
Other destinations close by.
Places with a climate like Hangzhou
Destinations whose weather through the year is closest to Hangzhou's – good alternatives.