AI-generatedZhoushan at a glance
- Best time
- Apr – May, Oct – Nov
- Warmest month
- Aug · 32°
- Warmest sea
- Aug · 26.8°
- Sunshine a year
- 1,820 h
- Rain a year
- 1,336 mm
- Climate
- Temperate
- Time zone
- UTC+8
- Elevation
- 2 m
Climate in Zhoushan
Zhoushan has a temperate climate with warm summers and cool winters. August is the warmest month with average highs of 32 °C, while January is the coolest at 10 °C. With around 1,820 hours of sunshine a year, Zhoushan is moderately sunny; July is the sunniest month with 7.3 hours a day.
Holiday weather through the year
Best time to visit Zhoushan
The best time to visit Zhoushan is from April to May and from October to November. In October, though, the typhoon season is at its peak: check the forecast before you go. For a beach holiday – sea from 21 °C, warm and mostly dry – go from July to August and in October. For sightseeing, day trips and hiking, conditions are most comfortable from April to May and from October to November. Rain is frequent in March, in June and in September; the wettest month is June with 249 mm.
Zhoushan through the seasons
How the weather changes over the seasons, with averages for each.
Zhoushan in spring
Mar – May
Good
- 15–24 °C by day
- Sea 15 °C
- 5.0 h of sun a day
- 36 rainy days in all
Zhoushan in summer
Jun – Aug
Fair
- 28–32 °C by day
- Sea 25 °C
- 6.1 h of sun a day
- 37 rainy days in all
Zhoushan in autumn
Sep – Nov
Good
- 19–29 °C by day
- Sea 23 °C
- 5.0 h of sun a day
- 29 rainy days in all
Zhoushan in winter
Dec – Feb
Fair
- 10–13 °C by day
- Sea 13 °C
- 3.8 h of sun a day
- 28 rainy days in all
Which month for what?
Beach & swimming
Jul – Aug, Oct
Sea from 21 °C, warm and mostly dry
Sightseeing & hiking
Apr – May, Oct – Nov
15–28 °C and not too much rain
Rainy months
Mar, Jun, Sep
Rainy season or more than 12 rainy days
Find your perfect month
Tell us what you like and we rate every month in Zhoushan for you.
Your best months: May, October
Based on the climate averages; tap a month to see its details.
Weather in October
Weather in October
Holiday weather in October
Excellent
Best time to visit: April – May, October – November
October is the peak of the typhoon season Hurricane season
Where to go in OctoberSea temperature in October
Good forBeach & swimmingSightseeing & walks
Keep in mindStorm season
A typical day in October
- Morning, 08:00: about 20°
- Midday, 13:00: about 24°
- Afternoon, 16:00: about 23°
- Evening, 20:00: about 20°
- Night, 23:00: about 19°
05:5217:22
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 05:37–06:24 · evening 16:49–17:36
- Blue hour
- Morning 05:28–05:37 · evening 17:36–17:46
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.
October in Zhoushan compared with home
Loading the climate at home …
Early or late October?
In October, daytime highs fall from about 26° at the start of the month to 21° at the end. The sea cools from 24° to 22°. The days get 0.8 h shorter.
| October | 1 Oct | 31 Oct |
|---|---|---|
| Daytime high | 26° | 21° |
| Night-time low | 20° | 15° |
| Sea | 24° | 22° |
| Daylight | 11.9 h | 11.1 h |
What is the weather like in Zhoushan in October?
In October, Zhoushan is warm: daytime highs average 24 °C, and nights cool down to about 17 °C. The sea averages 23.3 °C – pleasant for swimming. Expect around 5.3 hours of sunshine a day. Rain falls on about 8 days, adding up to 80 mm. All in all, October is an excellent month for a holiday in Zhoushan.
More details for October
- Daylight
- 11 h 30 min05:52 – 17:22
- UV index
- 6 · highclear sky, noon (estimate)All months
- Muggy days
- 9 daysdew point 18 °C or moreAll months
- Wind
- 23 km/haverage daily peakAll months
- Cloud cover
- 55 %on averageAll months
- Hot days
- 0 days30 °C or moreAll months
- Time zone
- UTC+8offset from UTC
How the score comes together
- Temperatureweight 50 %100 %
- Sunshineweight 20 %38 %
- Few rainy daysweight 30 %74 %
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
Compare two months in Zhoushan
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 Zhoushan: score 80 against 73. In November, days are 5 °C cooler than in October. The sea is 3 °C cooler in November. November has one more rainy day. The sun shines an hour less a day in November.
| Month | October | November |
|---|---|---|
| Holiday weather score | 80better | 73 |
| Daytime high | 24° | 19° |
| Night-time low | 17° | 12° |
| Sea | 23.3° | 19.9° |
| Sunshine | 5.3 hbetter | 4.1 h |
| Rainy days | 8better | 9 |
| Rainfall | 80 mm | 76 mm |
| Muggy days | 9 | 2better |
Based on the climate averages 1996–2025.
Zhoushan month by month
The typical weather for every month at a glance.
31January10° · Sea 12° · 3.5 h
In January, Zhoushan is cool: daytime highs average 10 °C, and nights cool down to about 4 °C. The sea averages 11.8 °C – swimming is only for the hardy. The sun is scarce, with only about 3.5 hours a day. Rain is frequent, with about 10 rainy days and 68 mm in total. All in all, January is not an ideal month for a holiday in Zhoushan.
Zhoushan in January37February12° · Sea 10° · 4.0 h
In February, Zhoushan is cool: daytime highs average 12 °C, and nights cool down to about 5 °C. The sea averages 10.3 °C – swimming is only for the hardy. Expect around 4.0 hours of sunshine a day. Rain is frequent, with about 11 rainy days and 73 mm in total. All in all, February is not an ideal month for a holiday in Zhoushan.
Zhoushan in February50March15° · Sea 11° · 4.3 h
In March, Zhoushan is cool: daytime highs average 15 °C, and nights cool down to about 8 °C. The sea averages 11.0 °C – swimming is only for the hardy. Expect around 4.3 hours of sunshine a day. Rain is frequent, with about 13 rainy days and 110 mm in total. All in all, March is a so-so month for a holiday in Zhoushan.
Zhoushan in March71April20° · Sea 14° · 5.3 h
In April, Zhoushan is mild: daytime highs average 20 °C, and nights cool down to about 12 °C. The sea averages 14.0 °C – swimming is only for the hardy. Expect around 5.3 hours of sunshine a day. Rain is frequent, with about 12 rainy days and 111 mm in total. All in all, April is a good month for a holiday in Zhoushan.
Zhoushan in April71May24° · Sea 19° · 5.3 h
In May, Zhoushan is warm: daytime highs average 24 °C, and nights cool down to about 17 °C. The sea averages 18.5 °C – bracing, so a wetsuit helps for longer swims. Expect around 5.3 hours of sunshine a day. Rain is frequent, with about 12 rainy days and 145 mm in total. All in all, May is a good month for a holiday in Zhoushan.
Zhoushan in May57June28° · Sea 22° · 4.1 h
In June, Zhoushan is hot: daytime highs average 28 °C, and even at night it stays warm at around 21 °C. The sea averages 22.0 °C – refreshing for a swim. Expect around 4.1 hours of sunshine a day. It rains often – on about 15 days, adding up to 249 mm. The air is often humid and muggy. All in all, June is a so-so month for a holiday in Zhoushan.
Zhoushan in June53July32° · Sea 25° · 7.3 h
In July, Zhoushan is hot: daytime highs average 32 °C, and even at night it stays warm at around 25 °C. The sea averages 25.2 °C – pleasant for swimming. The sun shines for around 7.3 hours a day. Rain is frequent, with about 10 rainy days and 105 mm in total. On about 28 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, July is a so-so month for a holiday in Zhoushan.
Zhoushan in July45August32° · Sea 27° · 6.9 h
In August, Zhoushan is hot: daytime highs average 32 °C, and even at night it stays warm at around 26 °C. The sea averages 26.8 °C – lovely and warm for swimming. The sun shines for around 6.9 hours a day. Rain is frequent, with about 12 rainy days and 114 mm in total. On about 29 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, August is a so-so month for a holiday in Zhoushan.
Zhoushan in August62September29° · Sea 26° · 5.6 h
In September, Zhoushan is hot: daytime highs average 29 °C, and even at night it stays warm at around 22 °C. The sea averages 25.8 °C – pleasant for swimming. Expect around 5.6 hours of sunshine a day. Rain is frequent, with about 12 rainy days and 142 mm in total. On about 7 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 Zhoushan.
Zhoushan in September80October24° · Sea 23° · 5.3 h
In October, Zhoushan is warm: daytime highs average 24 °C, and nights cool down to about 17 °C. The sea averages 23.3 °C – pleasant for swimming. Expect around 5.3 hours of sunshine a day. Rain falls on about 8 days, adding up to 80 mm. All in all, October is an excellent month for a holiday in Zhoushan.
Zhoushan in October73November19° · Sea 20° · 4.1 h
In November, Zhoushan is mild: daytime highs average 19 °C, and nights cool down to about 12 °C. The sea averages 19.9 °C – bracing, so a wetsuit helps for longer swims. Expect around 4.1 hours of sunshine a day. Rain falls on about 9 days, adding up to 76 mm. All in all, November is a good month for a holiday in Zhoushan.
Zhoushan in November51December13° · Sea 16° · 4.0 h
In December, Zhoushan is cool: daytime highs average 13 °C, and nights cool down to about 6 °C. The sea averages 15.7 °C – swimming is only for the hardy. Expect around 4.0 hours of sunshine a day. Rain falls on about 8 days, adding up to 63 mm. All in all, December is a so-so month for a holiday in Zhoushan.
Zhoushan in DecemberClimate in detail
Climate through the year
Long-term monthly averages. Tap a month to see its details.
Nights and sleep in Zhoushan
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 (15+ muggy days)
PleasantOctober: nights around 17°. Ideal for sleeping, often with the window open. Muggy on about 9 days (dew point 18 °C or more).
The coolest nights are in January (4°), the warmest in August (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 February, so the room should be heated. It is muggy (dew point 18 °C or more) on about 136 days a year, mostly from June 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 | 31 | 10° | 4° | 11.8° | 3.5 h | 10 | 68 |
| FebruaryFeb | 37 | 12° | 5° | 10.3° | 4.0 h | 11 | 73 |
| MarchMar | 50 | 15° | 8° | 11.0° | 4.3 h | 13 | 110 |
| AprilApr | 71 | 20° | 12° | 14.0° | 5.3 h | 12 | 111 |
| MayMay | 71 | 24° | 17° | 18.5° | 5.3 h | 12 | 145 |
| JuneJun | 57 | 28° | 21° | 22.0° | 4.1 h | 15 | 249 |
| JulyJul | 53 | 32° | 25° | 25.2° | 7.3 h | 10 | 105 |
| AugustAug | 45 | 32° | 26° | 26.8° | 6.9 h | 12 | 114 |
| SeptemberSep | 62 | 29° | 22° | 25.8° | 5.6 h | 12 | 142 |
| OctoberOct | 80 | 24° | 17° | 23.3° | 5.3 h | 8 | 80 |
| NovemberNov | 73 | 19° | 12° | 19.9° | 4.1 h | 9 | 76 |
| DecemberDec | 51 | 13° | 6° | 15.7° | 4.0 h | 8 | 63 |
Climate averages 1996–2025 (sunshine partly WMO station normals 1991–2020), 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
29.99° N, 122.20° E · 2 m · Asia/Shanghai
Sea temperature in Zhoushan
Monthly sea surface temperature with the range of cooler and warmer years.
8 in 10 years: 22.3 – 24.2 °C
Swimming season: Jun – Oct
- cold
- fresh
- refreshing
- pleasant
- warm
- very warm
The sea temperature in Zhoushan ranges from 10.3 °C in February to 26.8 °C in August. It is warm enough for a comfortable swim (20 °C and more) from June to October.
From November to January 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 26.0 and 27.5 °C.
| Month | Average | Cool year | Warm year | Feels |
|---|---|---|---|---|
| JanuaryJan | 11.8° | 10.5° | 13.0° | cold |
| FebruaryFeb | 10.3° | 9.1° | 11.1° | cold |
| MarchMar | 11.0° | 9.2° | 12.1° | cold |
| AprilApr | 14.0° | 13.2° | 15.0° | cold |
| MayMay | 18.5° | 17.5° | 19.4° | fresh |
| JuneJun | 22.0° | 21.3° | 22.8° | refreshing |
| JulyJul | 25.2° | 24.2° | 26.0° | pleasant |
| AugustAug | 26.8° | 26.0° | 27.5° | warm |
| SeptemberSep | 25.8° | 25.1° | 27.0° | pleasant |
| OctoberOct | 23.3° | 22.3° | 24.2° | pleasant |
| NovemberNov | 19.9° | 19.0° | 20.7° | fresh |
| DecemberDec | 15.7° | 14.3° | 17.0° | cold |
Sunshine hours in Zhoushan
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 5.3 of 11.5 hours of daylight in Zhoushan, 46 % of the daylight hours.
Sunshine hours: measured at the weather station 9 km away, averages 1991–2020 (WMO climate normals). Daylight is the time from sunrise to sunset on the 15th of the month.
Rain in Zhoushan: 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, Zhoushan has about 8 rainy days with 80 mm of rain in total.
UV index in Zhoushan
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 the time, 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.
Wind and clouds in Zhoushan
How breezy and how cloudy Zhoushan 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 Zhoushan typically peaks at 23 km/h during the day: Beaufort 4, moderate breeze.
Breezy months for windsurfing and kiting
From Beaufort 4 (20 km/h) the daily breeze is usually enough for windsurfing and often for kiting, and here it is that strong all year.
Clouds
Average share of the sky covered by cloud, day and night.
In October, cloud covers on average 55 % of the sky over Zhoushan: variable cloud, with about 5.3 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 Zhoushan
How often the day gets hot in Zhoushan (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, Zhoushan has about 0 hot days, with an average daytime high of 24 °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
Planning a trip to Zhoushan
Weather for your travel dates
Pick your arrival and length of stay, and we sum up the weather to expect.
Zhoushan 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.
Zhoushan has its best school-holiday weather during October half-term (score 80) and its weakest during the Christmas holidays (score 41).
- 65
Easter holidays
Mar – Apr
Good
- 18 °C by day
- Sea 13 °C
- 5.0 h of sun a day
- 12 rainy days a month
Keep in mind: Frequent rain
- 68
May half-term
May – Jun
Good
- 25 °C by day
- Sea 19 °C
- 5.1 h of sun a day
- 12 rainy days a month
Good for: Sightseeing & walks
- 48
Summer holidays
Jul – Aug
Fair
- 32 °C by day
- Sea 26 °C
- 7.0 h of sun a day
- 11 rainy days a month
Good for: Beach & swimming
Keep in mind: Storm season
- 80
October half-term
Oct
ExcellentBest holidays
- 24 °C by day
- Sea 23 °C
- 5.3 h of sun a day
- 8 rainy days a month
Good for: Beach & swimming, Sightseeing & walks
Keep in mind: Storm season
- 41
Christmas holidays
Dec – Jan
Fair
- 12 °C by day
- Sea 14 °C
- 3.8 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 45 min
- Distance
- 9,370 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
Zhoushan 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, Fiji Meteorological Service); not a forecast.
Compare & alternatives
Zhoushan compared
Put Zhoushan side by side with another destination.
Zhoushan vs Ningbo
In October the holiday weather in Zhoushan and Ningbo is about equally good (score 80 vs 78). During the day it is about as warm in Ningbo as in Zhoushan.
| in October | Zhoushan | Ningbo |
|---|---|---|
| Holiday weather score | 80 | 78 |
| Daytime high | 24° | 24° |
| Sea | 23° | no sea nearby |
| Sunshine | 5 h | 5 h |
| Rainy days | 8 | 8 |
| Best time | Apr – May, Oct – Nov | Apr – May, Oct – Nov |
Through the year
China in October: the best places
In October, Zhoushan ranks 19 among the 31 nearest destinations in this country.
- Qingdao21°21°90
- 2Xuzhou22°88
- 3Linyi22°88
- 4Qufu22°88
- 5Jingdezhen26°84
- 6Nanchang25°84
- 7Zhujiajiao24°83
- 8Jiaxing24°82
- 19ZhoushanThis page24°23°80
Near Zhoushan
Other destinations close by.
Places with a climate like Zhoushan
Destinations whose weather through the year is closest to Zhoushan's – good alternatives.
Frequently asked questions about Zhoushan
When is the best time to visit Zhoushan?
The best time to visit Zhoushan is from April to May and from October to November. That is when the holiday weather score, which combines temperature, sea, sunshine and rain, is highest.
How warm is the sea in Zhoushan?
The sea temperature in Zhoushan ranges from 10.3 °C in February to 26.8 °C in August. It is warm enough for a comfortable swim (20 °C and more) from June to October.
Can you swim in Zhoushan in October?
Yes. In October the sea averages 23.3 °C – pleasant for swimming.
What is the warmest month in Zhoushan?
August is the warmest month, with average highs of 32 °C and nights around 26 °C. January is the coolest month at 10 °C.
When does it rain most in Zhoushan?
Rain is frequent in March, in June and in September; the wettest month is June with 249 mm. The driest month is December with 63 mm.
How many hours of sunshine does Zhoushan get?
Zhoushan gets around 1,820 hours of sunshine a year. The sunniest month is July with 7.3 hours a day; in January there are 3.5 hours a day.
What time zone is Zhoushan in?
Zhoushan is on UTC+8 all year.
How long is the flight from London to Zhoushan?
A nonstop flight from London to Zhoushan takes about 11 h 45 min, for a straight-line distance of about 9,370 km. Most routes need a change of planes, which adds time.
When is typhoon season in Zhoushan?
Zhoushan 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 Zhoushan?
Zhoushan has its best school-holiday weather during October half-term (score 80) and its weakest during the Christmas holidays (score 41). Holiday ratings (0–100): Easter holidays 65, May half-term 68, summer holidays 48, October half-term 80, Christmas holidays 41.