wweather1
wweather1 wweather1
WorldChina → Changshu

Weather in Changshu — today

Tomorrow Day after tomorrow 3 days Week 14 days Month forecast Weather archive
Now in Changshu
+28°
Partly cloudy
Feels like +30° · humidity 53%
Today 12.9: +28° / +21°
🕐 16:25
Wind
8 km/h
UV index
3
Air (AQI)
56 · Moderate
Precipitation
0%
Humidity
53%
Pressure
1019 hPa
Sunrise / sunset
05:38 / 18:07
Sea temperature
🌊 +28°

👕 What to wear today

Warm — a T-shirt and light trousers or shorts.
Feels warmer by 2°
Weather for an activity:

Detailed weather information for Changshu

Today, 12 September, Saturday, in Changshu (China): partly cloudy, warm. During the day the air will warm up to +28°, at night around +21°. Wind up to 12 km/h. No precipitation expected, you won't need an umbrella. Light summer clothing will do — a T-shirt and shorts or light trousers. The sea has warmed up to +28° — great for swimming. The sun will rise at 05:38 and set at 18:07 — daylight lasts 12 hours.

Hourly weather in Changshu

🌅 sunrise 05:38 🌇 sunset 18:07🌙🌙🌙🌙☀️☀️☀️+28°+24°+23°+21°+21°+22°+27°+29°16:0019:0022:0001:0004:0007:0010:0013:00
💧 No precipitation expected on this day. Shaded areas of the chart are the dark hours (before sunrise 🌅 and after sunset 🌇).

Weather in Changshu for 14 days

Tap a day to expand it by time of day and open the full forecast. The bar shows the range from the night low (left) to the day high (right).
Today 12.9
☁️
+21° +28°
Morning
☁️
+24°
Day
☁️
+28°
Evening
🌇
+26°
Night
🌙
+21°
Overcast · precipitation 0% · wind up to 12 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.
Tomorrow 13.9
🌤️
+21° +29°
Morning
☀️
+24°
Day
🌤️
+29°
Evening
🌇
+25°
Night
🌙
+21°
Mostly clear · precipitation 0% · wind up to 15 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.
Mon 14.9
☁️
💧 2%
+21° +29°
Morning
☁️
+24°
Day
☁️
+29°
Evening
🌇
+27°
Night
🌙
+21°
Overcast · precipitation 2% · wind up to 16 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.
Tue 15.9
☁️
+20° +28°
Morning
☁️
+23°
Day
☁️
+28°
Evening
🌇
+26°
Night
🌙
+20°
Overcast · precipitation 0% · wind up to 14 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.
Wed 16.9
☁️
+19° +29°
Morning
☁️
+23°
Day
☁️
+29°
Evening
🌇
+27°
Night
🌙
+19°
Overcast · precipitation 0% · wind up to 14 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.
Thu 17.9
☁️
💧 39%
+21° +29°
Morning
☁️
+24°
Day
☁️
+29°
Evening
🌇
+27°
Night
🌙
+21°
Overcast · precipitation 39% · wind up to 12 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.
Fri 18.9
☁️
💧 18%
+22° +31°
Morning
☁️
+25°
Day
☁️
+31°
Evening
🌇
+29°
Night
🌙
+22°
Overcast · precipitation 18% · wind up to 11 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.
Sat 19.9
🌦️
💧 28%
+23° +29°
Morning
🌦️
+25°
Day
🌦️
+29°
Evening
🌇
+28°
Night
🌙
+23°
Drizzle · precipitation 28% · wind up to 17 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.
Sun 20.9
🌤️
💧 26%
+23° +30°
Morning
🌤️
+26°
Day
🌤️
+30°
Evening
🌇
+28°
Night
🌙
+23°
Mostly clear · precipitation 26% · wind up to 15 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.
Mon 21.9
☁️
💧 25%
+22° +29°
Morning
☁️
+25°
Day
☁️
+29°
Evening
🌇
+27°
Night
🌙
+22°
Overcast · precipitation 25% · wind up to 23 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.
Tue 22.9
🌦️
💧 24%
+20° +26°
Morning
🌦️
+22°
Day
🌦️
+26°
Evening
🌇
+25°
Night
🌙
+20°
Drizzle · precipitation 24% · wind up to 32 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.
Wed 23.9
🌤️
💧 10%
+19° +26°
Morning
🌤️
+22°
Day
🌤️
+26°
Evening
🌇
+24°
Night
🌙
+19°
Mostly clear · precipitation 10% · wind up to 18 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.
Thu 24.9
🌤️
💧 14%
+19° +27°
Morning
🌤️
+22°
Day
🌤️
+27°
Evening
🌇
+25°
Night
🌙
+19°
Mostly clear · precipitation 14% · wind up to 18 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.
Fri 25.9
☁️
💧 24%
+20° +27°
Morning
☁️
+23°
Day
☁️
+27°
Evening
🌇
+25°
Night
🌙
+20°
Overcast · precipitation 24% · wind up to 15 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

🗺️ Precipitation radar

Precipitation radar (RainViewer) over a clean base map — updates every 5–10 minutes. Colours show nearby precipitation; if there is none, the map is simply clear — that is normal. Zoom with + / −.
Rain intensity:lightmoderateheavy

🎯 What to do in this weather — indices of the day

Comfort score from 0 (bad) to 100 (excellent), calculated from the day's weather. For “rain” and “UV” a percentage/risk level is shown.
🏖️ Beach
95 / 100
for sea and sun · Excellent
🏊 Swimming
88 / 100
water 28° · Excellent
🏃 Running
62 / 100
comfort for running · Average
🧴 UV
27%
moderate · low
☂️ Rain
0%
unlikely · low
✨ Stars
88 / 100
evening visibility · Excellent
🧺 Laundry drying
78 / 100
will dry outside · Good
🚗 Car wash
95 / 100
no rain expected · Excellent

🌫️ Air quality

56
Moderate air
European AQI
PM2.5: 24PM10: 32O₃: 116NO₂: 20
Moderate. Those sensitive to dust should be more careful during long outdoor exercise.

🌅 Sun, moon and sea

Sunrise
05:38
Sunset
18:07
Golden hour
17:35
Daylight
12 h (-2 min vs yesterday)
Sea temperature
+28°

Changshu climate by month

Long-term averages. Hover over a bar for details. The forecast for a specific month is a combination of the climate normal and the model forecast for the coming weeks.
+8°
+0°
Jan
+11°
+1°
Feb
+15°
+5°
Mar
+21°
+10°
Apr
+25°
+16°
May
+28°
+20°
Jun
+32°
+25°
Jul
+31°
+25°
Aug
+27°
+20°
Sep
+23°
+14°
Oct
+17°
+8°
Nov
+11°
+2°
Dec
swipe sideways →
Bar color shows temperature:frostcoolcomfortablewarmhot— best months to visit
Month Day Night Sea Precipitation What to pack and what makes the month notable (events, nuances)
January +8° +0° +6° 60 mm Winter weather: about +8° daytime, you need a warm coat and hat. 🧥 a warm jacket. The water is cold (+6°) — swimming is for the brave. This is the coldest month of the year.
February +11° +1° +7° 57 mm Cool weather: +11° by day, noticeably colder in the evening. 🧥 a warm jacket. The water is cold (+7°) — swimming is for the brave.
March +15° +5° +11° 84 mm Cool: around +15° by day, you'll need a warm layer. It's a rainy month (84 mm) — an umbrella is a must. 🧥 a warm jacket. The water is cold (+11°) — swimming is for the brave.
April +21° +10° +17° 97 mm Ideal weather: +21° daytime — neither hot nor cold. Frequent rain (97 mm over the month) — keep indoor backup plans. 🙂 a sweater for the evening. The water is cold (+17°) — swimming is for the brave.
May +25° +16° +22° 119 mm The most pleasant season: +25° by day, comfortable all day long. One of the wettest months (119 mm): downpours can derail plans. 😊 light summer clothing. Water at +22° — great for swimming. Weather-wise, one of the three best months to visit.
June +28° +20° +26° 248 mm Warm and comfortable: +28° by day, +20° at night. It's a rainy month (248 mm) — an umbrella is a must. 😊 light summer clothing. Water at +26° — great for swimming. Statistically the wettest month of the year.
July +32° +25° +31° 198 mm Gentle warmth — about +32° daytime, great walking weather. Frequent rain (198 mm over the month) — keep indoor backup plans. 😊 light summer clothing. The sea is +31° — like a warm bath. This is the hottest month of the year in Changshu.
August +31° +25° +32° 175 mm A comfortable month: +31° by day without exhausting heat. One of the wettest months (175 mm): downpours can derail plans. 😊 light summer clothing. The sea is +32° — like a warm bath. The sea is at its warmest of the year this month.
September +27° +20° +29° 96 mm Warm and comfortable: +27° by day, +20° at night. It's a rainy month (96 mm) — an umbrella is a must. 😊 light summer clothing. Water at +29° — great for swimming. Weather-wise, one of the three best months to visit.
October +23° +14° +23° 52 mm Ideal weather: +23° daytime — neither hot nor cold. 🙂 a sweater for the evening. Water at +23° — great for swimming. Weather-wise, one of the three best months to visit.
November +17° +8° +17° 56 mm Cool weather: +17° by day, noticeably colder in the evening. 🙂 a sweater for the evening. The water is cold (+17°) — swimming is for the brave.
December +11° +2° +10° 40 mm Cool: around +11° by day, you'll need a warm layer. 🧥 a warm jacket. The water is cold (+10°) — swimming is for the brave. The shortest daylight of the year — it gets dark early.

When to visit Changshu

✅ Recommended time to visit
🌟 Best time: May, September, October
Daytime air+23…+27°
Sea temperature+22…+29°
Precipitationoften
Why: comfortable +23…+27° by day, little rain, warm sea (+22…29°).
⚠️ Doable, with caveats
🌤️ Shoulder season: January, March, April, July, August, November
Daytime air+8…+32°
Sea temperature+6…+32°
Precipitationoften
Why: noticeable rain risk (56–198 mm/month) — pack an umbrella and backup plans.
🔴 Not the best time
❄️ Cold season: February, June, December
Daytime air+11…+28°
Sea temperature+7…+26°
Precipitationoften
Why: cold and dark (+11…+28° by day, 10 h of daylight) — only if frost and short days don’t put you off.
Bottom line: the best time to visit Changshu is May, September, October, and the most comfortable months are May, September, October. The toughest months to visit are February, June, December: frequent rain.

🌡️ Today vs the climate normal

Today's high
+28°
Normal for September
+27°
Deviation
1° warmer than normal
A year ago on this day
+32°
Record for this date
+37° (1946)
The normal, “a year ago” and the record come from the weather archive since 1940 (Open-Meteo / ERA5).

Weather archive for Changshu

📅 See what the weather was like on any day since 1940. For example: “what was the weather on March 2, 2021”.

Show the archive for the selected day →

Weather in cities near Changshu

Frequently asked questions about the weather in Changshu

What is the weather in Changshu right now?
Partly cloudy, +28°, feels like +30°.
Will it rain in Changshu today?
No: 0% chance, 0 mm.
When is the best time to visit Changshu?
Best time to visit — May, September, October.
Can you swim in Changshu in winter?
In winter the water is around +8° — swimming is for the brave. In summer the sea warms up to +30°.
What time are sunrise and sunset in Changshu?
Sunrise 05:38, sunset 18:07.
Does it snow in Changshu in winter?
Yes, snow is possible in January.
What is the climate in Changshu by month?
Summers up to +32° in July, winters around +0° in January; the wettest month is June.
How hot is it in Changshu in summer?
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.