Climate averages 1991–2020
Changshu weather
in June.
A hot, very wet month: the 3rd warmest and the wettest of the year.
Long-term climate patterns, not a forecast for a particular trip.
June is a hot month in Changshu: daytime highs average 28.3°C and nights cool to about 20.4°C. By daytime temperature it is the 3rd warmest of the 12 months.
Expect about 245 mm of rain on roughly 13 days, which makes June a very wet month (the wettest month of the year). Daylight, from sunrise to sunset, lasts about 14 h 10 min on an average June day.
The nearest other city in this atlas is Zhangjiagang (31 km away). In June its highs average 28.0°C, about as warm as Changshu, with 244 mm of rain.
Among the 884 cities listed in China, Changshu ranks joint 544th of 884 for the warmest June highs and joint 629th of 884 for the driest June (rainfall, lowest first). The mean June high of those 884 cities is 28.4°C; Changshu is 0.1°C cooler than that mean.
From June to July, average highs rise by 3.5°C to 31.8°C, and monthly rainfall falls from 245 mm to 193 mm.
The annual picture
June in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Changshu climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 8.4°C-0.1°C | -0.1°C | 60 | 8.2 | 10.310 h |
| February | 10.6°C1.5°C | 1.5°C | 58 | 8.4 | 11.011 h |
| March | 14.8°C5.2°C | 5.2°C | 83 | 10.7 | 12.012 h |
| April | 20.6°C10.4°C | 10.4°C | 96 | 9.7 | 12.913 h |
| May | 25.5°C16.0°C | 16.0°C | 118 | 9.9 | 13.714 h |
| June, selected | 28.3°C20.4°C | 20.4°C | 245 | 13.1 | 14.214 h |
| July | 31.8°C24.9°C | 24.9°C | 193 | 14.7 | 14.014 h |
| August | 31.3°C24.8°C | 24.8°C | 172 | 14.9 | 13.313 h |
| September | 27.3°C20.2°C | 20.2°C | 92 | 9.6 | 12.412 h |
| October | 22.7°C14.3°C | 14.3°C | 51 | 6.1 | 11.411 h |
| November | 17.2°C8.5°C | 8.5°C | 54 | 7.1 | 10.611 h |
| December | 10.7°C2.1°C | 2.1°C | 40 | 6.1 | 10.110 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
June in nearby cities
- Zhangjiagang in JuneChina · 31 kmHigh 28.0°C · Low 20.6°C · 244 mm rain
- Kunshan in JuneChina · 36 kmHigh 27.9°C · Low 20.6°C · 260 mm rain
- Taicang in JuneChina · 40 kmHigh 27.7°C · Low 20.7°C · 260 mm rain
- Suzhou in JuneChina · 41 kmHigh 27.9°C · Low 21.3°C · 275 mm rain
- Wuxi in JuneChina · 44 kmHigh 28.1°C · Low 21.1°C · 261 mm rain
- Nantong in JuneChina · 45 kmHigh 27.7°C · Low 20.5°C · 231 mm rain
- Songling in JuneChina · 50 kmHigh 28.0°C · Low 21.2°C · 274 mm rain
- Jiangyin in JuneChina · 54 kmHigh 28.3°C · Low 20.6°C · 236 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Changshu) is explained once on the Changshu year overview and on the Sources, method and limits page.