Climate averages 1991–2020
Zhangjiagang weather
in April.
A mild, wet month: the 7th warmest and the 8th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
April is a mild month in Zhangjiagang: daytime highs average 20.2°C and nights cool to about 10.7°C. By daytime temperature it is the 7th warmest of the 12 months.
Expect about 95 mm of rain on roughly 10 days, which makes April a wet month (the 8th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 56 min on an average April day.
The nearest other city in this atlas is Jiangyin (27 km away). In April its highs average 20.5°C, about as warm as Zhangjiagang, with 90 mm of rain.
Among the 884 cities listed in China, Zhangjiagang ranks joint 567th of 884 for the warmest April highs and joint 566th of 884 for the driest April (rainfall, lowest first). The mean April high of those 884 cities is 20.6°C; Zhangjiagang is 0.4°C cooler than that mean.
From April to May, average highs rise by 4.9°C to 25.1°C, and monthly rainfall rises from 95 mm to 118 mm.
The annual picture
April 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
Zhangjiagang climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 7.8°C0.0°C | 0.0°C | 58 | 8.3 | 10.310 h |
| February | 10.0°C1.5°C | 1.5°C | 57 | 8.5 | 11.011 h |
| March | 14.3°C5.3°C | 5.3°C | 82 | 10.7 | 12.012 h |
| April, selected | 20.2°C10.7°C | 10.7°C | 95 | 9.6 | 12.913 h |
| May | 25.1°C16.2°C | 16.2°C | 118 | 9.5 | 13.814 h |
| June | 28.0°C20.6°C | 20.6°C | 244 | 12.8 | 14.214 h |
| July | 31.3°C25.0°C | 25.0°C | 193 | 14.6 | 14.014 h |
| August | 30.8°C24.8°C | 24.8°C | 169 | 14.5 | 13.313 h |
| September | 27.0°C20.3°C | 20.3°C | 87 | 9.3 | 12.412 h |
| October | 22.3°C14.4°C | 14.4°C | 50 | 6.1 | 11.411 h |
| November | 16.6°C8.5°C | 8.5°C | 52 | 7.0 | 10.611 h |
| December | 10.2°C2.2°C | 2.2°C | 38 | 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
April in nearby cities
- Jiangyin in AprilChina · 27 kmHigh 20.5°C · Low 10.6°C · 90 mm rain
- Changshu in AprilChina · 31 kmHigh 20.6°C · Low 10.4°C · 96 mm rain
- Nantong in AprilChina · 37 kmHigh 19.8°C · Low 10.5°C · 90 mm rain
- Wuxi in AprilChina · 41 kmHigh 20.3°C · Low 11.3°C · 110 mm rain
- Changzhou in AprilChina · 56 kmHigh 20.6°C · Low 11.1°C · 95 mm rain
- Jinsha in AprilChina · 56 kmHigh 19.4°C · Low 10.2°C · 90 mm rain
- Rugao in AprilChina · 56 kmHigh 20.0°C · Low 9.6°C · 84 mm rain
- Taixing in AprilChina · 60 kmHigh 20.4°C · Low 10.4°C · 84 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 Zhangjiagang) is explained once on the Zhangjiagang year overview and on the Sources, method and limits page.