Climate averages 1991–2020
Chongming weather
in April.
A mild, wet month: the 7th warmest and the 7th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
April is a mild month in Chongming: daytime highs average 17.2°C and nights cool to about 11.7°C. By daytime temperature it is the 7th warmest of the 12 months.
Expect about 106 mm of rain on roughly 11 days, which makes April a wet month (the 7th 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 Huilong (22 km away). In April its highs average 17.2°C, about as warm as Chongming, with 102 mm of rain.
Among the 884 cities listed in China, Chongming ranks joint 705th of 884 for the warmest April highs and joint 604th of 884 for the driest April (rainfall, lowest first). The mean April high of those 884 cities is 20.6°C; Chongming is 3.4°C cooler than that mean.
From April to May, average highs rise by 4.9°C to 22.2°C, and monthly rainfall rises from 106 mm to 122 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
Chongming climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 7.4°C2.7°C | 2.7°C | 67 | 8.8 | 10.310 h |
| February | 8.6°C3.6°C | 3.6°C | 69 | 8.9 | 11.011 h |
| March | 12.2°C6.8°C | 6.8°C | 105 | 11.4 | 12.012 h |
| April, selected | 17.2°C11.7°C | 11.7°C | 106 | 10.5 | 12.913 h |
| May | 22.2°C17.1°C | 17.1°C | 122 | 9.6 | 13.714 h |
| June | 25.4°C21.4°C | 21.4°C | 255 | 13.3 | 14.214 h |
| July | 29.4°C25.7°C | 25.7°C | 153 | 12.4 | 14.014 h |
| August | 29.4°C26.0°C | 26.0°C | 153 | 13.5 | 13.313 h |
| September | 26.0°C22.4°C | 22.4°C | 111 | 10.1 | 12.412 h |
| October | 21.4°C17.4°C | 17.4°C | 65 | 6.1 | 11.411 h |
| November | 16.2°C11.6°C | 11.6°C | 66 | 7.8 | 10.611 h |
| December | 10.1°C5.3°C | 5.3°C | 51 | 6.8 | 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
- Huilong in AprilChina · 22 kmHigh 17.2°C · Low 11.2°C · 102 mm rain
- Chengqiao in AprilChina · 29 kmHigh 19.0°C · Low 11.2°C · 94 mm rain
- Baoshan in AprilChina · 30 kmHigh 19.1°C · Low 11.1°C · 98 mm rain
- Yanghang in AprilChina · 37 kmHigh 19.4°C · Low 11.1°C · 104 mm rain
- Luodian in AprilChina · 41 kmHigh 19.7°C · Low 11.0°C · 99 mm rain
- Yangpu in AprilChina · 43 kmHigh 19.1°C · Low 11.1°C · 104 mm rain
- Shanghai in AprilChina · 50 kmHigh 19.1°C · Low 11.0°C · 104 mm rain
- Jiading in AprilChina · 50 kmHigh 19.9°C · Low 10.8°C · 99 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 Chongming) is explained once on the Chongming year overview and on the Sources, method and limits page.