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Jiangyin weather & best time to visit

City break

Jiangyin at a glance

Best time
Apr – May, Oct – Nov
Warmest month
Jul · 33°
Warmest sea
Aug · 28.4°
Sunshine a year
1,800 h
Rain a year
1,233 mm
Climate
Temperate
Time zone
UTC+8
Elevation
7 m

Climate in Jiangyin

Jiangyin 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 1,800 hours of sunshine a year, Jiangyin is moderately sunny; May is the sunniest month with 5.8 hours a day.

Holiday weather through the year

Best time to visit

Best time to visit Jiangyin

The best time to visit Jiangyin 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 September to October. For sightseeing, day trips and hiking, conditions are most comfortable from March to May and from October to November. In July it can get very hot, with highs of up to 33 °C. Rain is frequent from June to August; the wettest month is June with 230 mm.

Jiangyin through the seasons

How the weather changes over the seasons, with averages for each.

Jiangyin in spring

Mar – May

73

Good

  • 16–27 °C by day
  • Sea 14 °C
  • 5.4 h of sun a day
  • 28 rainy days in all

Jiangyin in summer

Jun – Aug

35

Poor

  • 30–33 °C by day
  • Sea 26 °C
  • 5.3 h of sun a day
  • 43 rainy days in all

Jiangyin in autumn

Sep – Nov

75

Good

  • 18–29 °C by day
  • Sea 21 °C
  • 4.9 h of sun a day
  • 23 rainy days in all

Jiangyin in winter

Dec – Feb

38

Poor

  • 9–11 °C by day
  • Sea 8 °C
  • 4.1 h of sun a day
  • 22 rainy days in all

Which month for what?

Beach & swimming

Sep – Oct

Sea from 21 °C, warm and mostly dry

Sightseeing & hiking

Mar – May, Oct – Nov

15–28 °C and not too much rain

Peak heat

Jul

Highs of 33 °C or more

Rainy months

Jun – Aug

Rainy season or more than 12 rainy days

Find your perfect month

Tell us what you like and we rate every month in Jiangyin for you.

Swimming in the sea
Sunshine
Little rain

Your best months: April, October

Based on the climate averages; tap a month to see its details.

Your holiday weather, at a glance

Weather in October

Weather in October

81

Holiday weather in October

Excellent

Best time to visit: April – May, October – November

October is the peak of the typhoon season Hurricane season

Good forBeach & swimmingSightseeing & walks

Keep in mindStorm season

A typical day in October

  1. Morning, 08:00: about 18°
  2. Midday, 13:00: about 24°
  3. Afternoon, 16:00: about 22°
  4. Evening, 20:00: about 18°
  5. Night, 23:00: about 17°

06:0117:28

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 05:46–06:34 · evening 16:55–17:43
Blue hour
Morning 05:37–05:46 · evening 17:43–17:52

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 Jiangyin compared with home

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 23° to 18°. The days get 0.9 h shorter.

Early or late October?
October1 Oct31 Oct
Daytime high26°21°
Night-time low17°11°
Sea23°18°
Daylight11.9 h11.0 h

What is the weather like in Jiangyin in October?

In October, Jiangyin is warm: daytime highs average 24 °C, and nights cool down to about 14 °C. The sea averages 21.1 °C – refreshing for a swim. Expect around 5.1 hours of sunshine a day. Rain falls on about 7 days, adding up to 54 mm. All in all, October is an excellent month for a holiday in Jiangyin.

More details for October

Daylight
11 h 27 min06:01 – 17:28
UV index
6 · highclear sky, noon (estimate)All months
Muggy days
4 daysdew point 18 °C or moreAll months
Wind
14 km/haverage daily peakAll months
Cloud cover
54 %on averageAll months
Hot days
1 day30 °C or moreAll months
Snow days
0 days1 cm or more of fresh snow
Time zone
UTC+8offset from UTC

How the score comes together

  • Temperatureweight 50 %100 %
  • Sunshineweight 20 %35 %
  • Few rainy daysweight 30 %81 %

Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.

What to pack in October

  • Swimwear
  • Sunscreen
  • A jumper for the evenings

Compare two months in Jiangyin

Pick two months to see how the weather differs. A tick marks the clearly better value; for temperatures it depends on your plans.

vs

October and May bring similar holiday weather to Jiangyin (score 81 and 79). In May, days are 3 °C warmer than in October. The sea is 3 °C cooler in May. May has 2 more rainy days. The sun shines an hour longer a day in May.

October vs May, Jiangyin
MonthOctoberMay
Holiday weather score8179
Daytime high24°27°
Night-time low14°17°
Sea21.1°18.5°
Sunshine5.1 h5.8 hbetter
Rainy days7better9
Rainfall54 mmbetter111 mm
Muggy days4better7

Based on the climate averages 1996–2025.

Jiangyin month by month

The typical weather for every month at a glance.

29January9° · Sea 7° · 3.8 h

In January, Jiangyin is cold: daytime highs average 9 °C, and nights cool down to about 0 °C. The sea averages 6.5 °C – swimming is only for the hardy. The sun is scarce, with only about 3.8 hours a day. Rain falls on about 8 days, adding up to 54 mm. All in all, January is not an ideal month for a holiday in Jiangyin.

Jiangyin in January
39February11° · Sea 6° · 4.2 h

In February, Jiangyin is cool: daytime highs average 11 °C, and nights cool down to about 2 °C. The sea averages 6.0 °C – swimming is only for the hardy. Expect around 4.2 hours of sunshine a day. Rain falls on about 9 days, adding up to 56 mm. All in all, February is not an ideal month for a holiday in Jiangyin.

Jiangyin in February
63March16° · Sea 9° · 4.7 h

In March, Jiangyin is mild: daytime highs average 16 °C, and nights cool down to about 6 °C. The sea averages 8.8 °C – swimming is only for the hardy. Expect around 4.7 hours of sunshine a day. Rain is frequent, with about 10 rainy days and 72 mm in total. All in all, March is a good month for a holiday in Jiangyin.

Jiangyin in March
78April22° · Sea 13° · 5.7 h

In April, Jiangyin is warm: daytime highs average 22 °C, and nights cool down to about 11 °C. The sea averages 13.3 °C – swimming is only for the hardy. Expect around 5.7 hours of sunshine a day. Rain is frequent, with about 9 rainy days and 86 mm in total. All in all, April is a good month for a holiday in Jiangyin.

Jiangyin in April
79May27° · Sea 19° · 5.8 h

In May, Jiangyin is hot: daytime highs average 27 °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 5.8 hours of sunshine a day. Rain falls on about 9 days, adding up to 111 mm. On about 6 days the thermometer climbs to 30 °C or more. All in all, May is a good month for a holiday in Jiangyin.

Jiangyin in May
49June30° · Sea 23° · 4.5 h

In June, Jiangyin is hot: daytime highs average 30 °C, and even at night it stays warm at around 21 °C. The sea averages 22.7 °C – refreshing for a swim. Expect around 4.5 hours of sunshine a day. Rain is frequent, with about 13 rainy days and 230 mm in total. On about 15 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 Jiangyin.

Jiangyin in June
27July33° · Sea 27° · 5.7 h

In July, Jiangyin is very hot: daytime highs average 33 °C, and even at night it stays warm at around 25 °C. The sea averages 26.6 °C – lovely and warm for swimming. Expect around 5.7 hours of sunshine a day. It rains often – on about 15 days, adding up to 224 mm. On about 26 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 Jiangyin.

Jiangyin in July
30August33° · Sea 28° · 5.7 h

In August, Jiangyin is hot: daytime highs average 33 °C, and even at night it stays warm at around 25 °C. The sea averages 28.4 °C – lovely and warm for swimming. Expect around 5.7 hours of sunshine a day. It rains often – on about 15 days, adding up to 162 mm. On about 26 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 Jiangyin.

Jiangyin in August
65September29° · Sea 25° · 5.1 h

In September, Jiangyin is hot: daytime highs average 29 °C, and even at night it stays warm at around 20 °C. The sea averages 25.4 °C – pleasant for swimming. Expect around 5.1 hours of sunshine a day. Rain is frequent, with about 10 rainy days and 94 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 Jiangyin.

Jiangyin in September
81October24° · Sea 21° · 5.1 h

In October, Jiangyin is warm: daytime highs average 24 °C, and nights cool down to about 14 °C. The sea averages 21.1 °C – refreshing for a swim. Expect around 5.1 hours of sunshine a day. Rain falls on about 7 days, adding up to 54 mm. All in all, October is an excellent month for a holiday in Jiangyin.

Jiangyin in October
78November18° · Sea 16° · 4.5 h

In November, Jiangyin is mild: daytime highs average 18 °C, and nights cool down to about 8 °C. The sea averages 16.0 °C – swimming is only for the hardy. Expect around 4.5 hours of sunshine a day. Rain falls on about 7 days, adding up to 55 mm. All in all, November is a good month for a holiday in Jiangyin.

Jiangyin in November
46December11° · Sea 11° · 4.2 h

In December, Jiangyin is cool: daytime highs average 11 °C, and nights cool down to about 2 °C. The sea averages 10.5 °C – swimming is only for the hardy. Expect around 4.2 hours of sunshine a day. Rain falls on about 6 days, adding up to 36 mm. All in all, December is a so-so month for a holiday in Jiangyin.

Jiangyin in December

Climate in detail

Year & climate table

Climate through the year

Long-term monthly averages. Tap a month to see its details.

Best time to visit

Nights and sleep in Jiangyin

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)

CoolOctober: nights around 14°. A duvet at night and a jumper for the evening. Muggy on about 4 days (dew point 18 °C or more).

The coolest nights are in January (0°), the warmest in July (25°). 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. 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 119 days a year, mostly from June to September.

Temperatures through the year

Average daytime high, night-time low and sea temperature per month.

OctoberDay 24°Night 14°Sea 21°
DayNightSea
MonthScoreDayNightSeaSunRain daysRain mm
JanuaryJan299°0°6.5°3.8 h854
FebruaryFeb3911°2°6.0°4.2 h956
MarchMar6316°6°8.8°4.7 h1072
AprilApr7822°11°13.3°5.7 h986
MayMay7927°17°18.5°5.8 h9111
JuneJun4930°21°22.7°4.5 h13230
JulyJul2733°25°26.6°5.7 h15224
AugustAug3033°25°28.4°5.7 h15162
SeptemberSep6529°20°25.4°5.1 h1094
OctoberOct8124°14°21.1°5.1 h754
NovemberNov7818°8°16.0°4.5 h755
DecemberDec4611°2°10.5°4.2 h636

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

31.91° N, 120.26° E · 7 m · Asia/Shanghai

Sea temperature
Swimming calendar

Sea temperature in Jiangyin

Monthly sea surface temperature with the range of cooler and warmer years.

Sea in October21.1°Crefreshing

8 in 10 years: 20.0 – 22.2 °C

Swimming season: Jun – Oct

  • cold
  • fresh
  • refreshing
  • pleasant
  • warm
  • very warm
OctoberMean sea temperature 21.1°8 in 10 years 20.0° – 22.2°
20°
Mean sea temperature8 in 10 years20 °C – comfortable for swimming

The sea temperature in Jiangyin ranges from 6.0 °C in February to 28.4 °C in August. It is warm enough for a comfortable swim (20 °C and more) from June to October.

The sea warms up slowly: it is warmest in August, while the air already peaks in July. The sea temperature varies from year to year: in August, eight out of ten years were between 26.7 and 30.0 °C.

Sea temperature by month
MonthAverageCool yearWarm yearFeels
JanuaryJan6.5°4.6°7.9°cold
FebruaryFeb6.0°4.4°7.2°cold
MarchMar8.8°7.6°10.0°cold
AprilApr13.3°12.1°15.5°cold
MayMay18.5°17.3°20.2°fresh
JuneJun22.7°21.4°24.7°refreshing
JulyJul26.6°24.9°28.6°warm
AugustAug28.4°26.7°30.0°warm
SeptemberSep25.4°24.2°27.2°pleasant
OctoberOct21.1°20.0°22.2°refreshing
NovemberNov16.0°14.8°17.2°cold
DecemberDec10.5°8.8°12.5°cold
Sunshine
Sunshine

Sunshine hours in Jiangyin

Average hours of bright sunshine per day, next to the length of the day. Tap a month to select it.

Per year
1,800 hours
Sunniest month
May · 5.8 h a day
Least sunshine
Jan · 3.8 h a day
OctoberSunshine 5.1 hDaylight 11.4 hShare of daylight 45 %
SunshineDaylight

In October, the sun shines for about 5.1 of 11.4 hours of daylight in Jiangyin, 45 % of the daylight hours.

Sunshine hours: estimated from radiation data (ERA5, 1996–2025) and calibrated against measured station values; no weather station is close enough here. Daylight is the time from sunrise to sunset on the 15th of the month.

Rain
Rain

Rain in Jiangyin: 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.

Per year
1,233 mm on 116 days
Wettest month
Jun · 230 mm
Driest month
Dec · 36 mm
OctoberRainy days 7Rainfall 54 mm

In October, Jiangyin has about 7 rainy days with 54 mm of rain in total.

UV index
Sun protection

UV index in Jiangyin

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 30 min
Light brown skin
about 40 min
Olive skin
about 50 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 & clouds
Wind & clouds

Wind and clouds in Jiangyin

How breezy and how cloudy Jiangyin 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.

Year average
16 km/h · gentle breeze
Windiest month
Mar · 17 km/h
Calmest month
Oct · 14 km/h
OctoberWind 14 km/hBeaufort 3
20
WindBeaufort 4

In October, the wind in Jiangyin typically peaks at 14 km/h during the day: Beaufort 3, gentle 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.

Year average
61 % · variable cloud
Clearest month
Dec · 48 %
Cloudiest month
Jun · 76 %
OctoberCloud cover 54 %Sunshine 5.1 h

In October, cloud covers on average 54 % of the sky over Jiangyin: variable cloud, with about 5.1 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 & humidity
Heat & humidity

Heat and humidity in Jiangyin

How often the day gets hot in Jiangyin (30 °C and more), and in which months heat and humidity come together. Tap a month to select it.

Hot days a year
84 days
Hottest month
Jul · 33 °C
Hot months
Jun – Aug

Heat calendar

  • pleasant
  • some hot or muggy days
  • often muggy
  • often hot
  • hot and muggy
OctoberHot days (30 °C+) 1Daytime high 24 °C

In October, Jiangyin has about 1 hot day, with an average daytime high of 24 °C: pleasant. Heat plays no part this month.

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 Jiangyin

Weather for your travel dates

Pick your arrival and length of stay, and we sum up the weather to expect.

Jiangyin 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.

Jiangyin has its best school-holiday weather during October half-term (score 81) and its weakest during the summer holidays (score 29).

  • Easter holidays

    Mar – Apr

    74

    Good

    • 20 °C by day
    • Sea 12 °C
    • 5.4 h of sun a day
    • 9 rainy days a month

    Good for: Sightseeing & walks

  • May half-term

    May – Jun

    73

    Good

    • 28 °C by day
    • Sea 19 °C
    • 5.5 h of sun a day
    • 10 rainy days a month

    Good for: Sightseeing & walks

  • Summer holidays

    Jul – Aug

    29

    Poor

    • 33 °C by day
    • Sea 28 °C
    • 5.7 h of sun a day
    • 15 rainy days a month

    Keep in mind: Peak heat, Frequent rain, Storm season

  • October half-term

    Oct

    81

    ExcellentBest holidays

    • 24 °C by day
    • Sea 21 °C
    • 5.1 h of sun a day
    • 7 rainy days a month

    Good for: Beach & swimming, Sightseeing & walks

    Keep in mind: Storm season

  • Christmas holidays

    Dec – Jan

    38

    Poor

    • 10 °C by day
    • Sea 9 °C
    • 4.0 h of sun a day
    • 7 rainy days a month

Based on the climate averages 1996–2025.

Getting there

Flying from

Nonstop flight
about 11 h 25 min
Distance
9,090 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.

Good to know: China

Currency
Chinese Yuan (CNY)
Language
Chinese
Sockets
Type A, C, I · 220 V
Traffic
Drives on the right
Dialling code
+86

UK plugs need a travel adapter

Sources: GeoNames (CC BY 4.0) and Wikidata (CC0). Please check details before you travel.

Storm season

Jiangyin 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.

  1. January
  2. February
  3. March
  4. April
  5. May
  6. June: Season
  7. July: Season
  8. August: Peak
  9. September: Peak
  10. October: Peak
  11. November: Season
  12. December

Official season dates of the regional warning centres (NOAA, JMA, IMD, Météo-France, BoM, Fiji Meteorological Service); not a forecast.

Compare & alternatives

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Jiangyin compared

Put Jiangyin side by side with another destination.

Nearby:
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Jiangyin vs Changzhou

In October the holiday weather in Jiangyin and Changzhou is about equally good (score 81 vs 81). During the day it is about as warm in Changzhou as in Jiangyin.

Jiangyin vs Changzhou, in October
in OctoberJiangyinChangzhou
Holiday weather score8181
Daytime high24°24°
Sea21°no sea nearby
Sunshine5 h5 h
Rainy days77
Best timeApr – May, Oct – NovApr – May, Oct – Nov

Through the year

OctoberJiangyin 24°Changzhou 24°
JiangyinChangzhou
Go to Changzhou
Best places in the country
Ranking

China in October: the best places

In October, Jiangyin ranks 13 among the 31 nearest destinations in this country.

  1. Qingdao21°21°90
  2. 2Xuzhou22°88
  3. 3Linyi22°88
  4. 4Lianyungang22°86
  5. 5Huai'an22°84
  6. 6Jingdezhen26°84
  7. 7Kunshan24°83
  8. 8Zhujiajiao24°83
  9. 13JiangyinThis page24°21°81
All destinations: China
Places nearby

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Other destinations close by.

Places with a similar climate

Places with a climate like Jiangyin

Destinations whose weather through the year is closest to Jiangyin's – good alternatives.

  1. 80 % similar79HangzhouChina24°23°Best time: Apr – May, Oct – Nov
  2. 75 % similar58Virginia BeachUSA23°20°Best time: Jun – Sep
  3. 75 % similar82NorfolkUSA23°20°Best time: Apr – May, Sep – Nov
  4. 68 % similar80ZhoushanChina24°23°Best time: Apr – May, Oct – Nov

Frequently asked questions about Jiangyin

When is the best time to visit Jiangyin?

The best time to visit Jiangyin 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 Jiangyin?

The sea temperature in Jiangyin ranges from 6.0 °C in February to 28.4 °C in August. It is warm enough for a comfortable swim (20 °C and more) from June to October.

Can you swim in Jiangyin in October?

Yes. In October the sea averages 21.1 °C – refreshing for a swim.

What is the warmest month in Jiangyin?

July is the warmest month, with average highs of 33 °C and nights around 25 °C. January is the coolest month at 9 °C.

When does it rain most in Jiangyin?

Rain is frequent from June to August; the wettest month is June with 230 mm. The driest month is December with 36 mm.

How many hours of sunshine does Jiangyin get?

Jiangyin gets around 1,800 hours of sunshine a year. The sunniest month is May with 5.8 hours a day; in January there are 3.8 hours a day.

What time zone is Jiangyin in?

Jiangyin is on UTC+8 all year.

How long is the flight from London to Jiangyin?

A nonstop flight from London to Jiangyin takes about 11 h 25 min, for a straight-line distance of about 9,090 km. Most routes need a change of planes, which adds time.

When is typhoon season in Jiangyin?

Jiangyin 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 Jiangyin?

Jiangyin has its best school-holiday weather during October half-term (score 81) and its weakest during the summer holidays (score 29). Holiday ratings (0–100): Easter holidays 74, May half-term 73, summer holidays 29, October half-term 81, Christmas holidays 38.