Climate averages 1991–2020
Jiangmen weather
in August.
A hot, very wet month: the 2nd warmest and the 11th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
August is a hot month in Jiangmen: daytime highs average 31.4°C and nights cool to about 25.6°C. By daytime temperature it is the 2nd warmest of the 12 months.
Expect about 283 mm of rain on roughly 24 days, which makes August a very wet month (the 11th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 55 min on an average August day.
The nearest other city in this atlas is Shaping (24 km away). In August its highs average 31.4°C, about as warm as Jiangmen, with 258 mm of rain.
Among the 884 cities listed in China, Jiangmen ranks joint 155th of 884 for the warmest August highs and joint 828th of 884 for the driest August (rainfall, lowest first). The mean August high of those 884 cities is 29.3°C; Jiangmen is 2.2°C warmer than that mean.
From August to September, average highs fall by 1.1°C to 30.3°C, and monthly rainfall falls from 283 mm to 210 mm.
The annual picture
August 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
Jiangmen climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 19.2°C11.2°C | 11.2°C | 32 | 5.4 | 10.911 h |
| February | 20.8°C13.2°C | 13.2°C | 42 | 7.8 | 11.411 h |
| March | 23.9°C16.4°C | 16.4°C | 86 | 12.7 | 12.012 h |
| April | 27.2°C20.4°C | 20.4°C | 164 | 15.7 | 12.713 h |
| May | 29.5°C23.4°C | 23.4°C | 269 | 21.6 | 13.213 h |
| June | 30.8°C25.4°C | 25.4°C | 303 | 22.7 | 13.513 h |
| July | 31.6°C25.8°C | 25.8°C | 233 | 21.9 | 13.413 h |
| August, selected | 31.4°C25.6°C | 25.6°C | 283 | 24.0 | 12.913 h |
| September | 30.3°C24.2°C | 24.2°C | 210 | 17.6 | 12.312 h |
| October | 28.2°C20.9°C | 20.9°C | 71 | 7.9 | 11.612 h |
| November | 24.8°C16.7°C | 16.7°C | 35 | 5.6 | 11.111 h |
| December | 20.4°C12.2°C | 12.2°C | 33 | 4.3 | 10.811 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
August in nearby cities
- Shaping in AugustChina · 24 kmHigh 31.4°C · Low 25.5°C · 258 mm rain
- Nantou, China in AugustChina · 26 kmHigh 31.4°C · Low 25.8°C · 276 mm rain
- Zhongshan in AugustChina · 31 kmHigh 31.0°C · Low 26.1°C · 286 mm rain
- Daliang in AugustChina · 33 kmHigh 31.5°C · Low 25.8°C · 276 mm rain
- Jing’an in AugustChina · 47 kmHigh 30.0°C · Low 26.5°C · 312 mm rain
- Changsha, China in AugustChina · 47 kmHigh 31.1°C · Low 25.3°C · 272 mm rain
- Taishan in AugustChina · 48 kmHigh 31.1°C · Low 25.5°C · 291 mm rain
- Shiqiao in AugustChina · 49 kmHigh 31.5°C · Low 25.7°C · 264 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 Jiangmen) is explained once on the Jiangmen year overview and on the Sources, method and limits page.