Climate averages 1991–2020
Jiangmen weather
in May.
A hot, very wet month: the 5th warmest and the 10th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
May is a hot month in Jiangmen: daytime highs average 29.5°C and nights cool to about 23.4°C. By daytime temperature it is the 5th warmest of the 12 months.
Expect about 269 mm of rain on roughly 22 days, which makes May a very wet month (the 10th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 13 h 13 min on an average May day.
The nearest other city in this atlas is Shaping (24 km away). In May its highs average 29.3°C, about as warm as Jiangmen, with 257 mm of rain.
Among the 884 cities listed in China, Jiangmen ranks joint 28th of 884 for the warmest May highs and joint 823rd of 884 for the driest May (rainfall, lowest first). The mean May high of those 884 cities is 25.2°C; Jiangmen is 4.3°C warmer than that mean.
From May to June, average highs rise by 1.4°C to 30.8°C, and monthly rainfall rises from 269 mm to 303 mm.
The annual picture
May 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, selected | 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 | 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
May in nearby cities
- Shaping in MayChina · 24 kmHigh 29.3°C · Low 23.2°C · 257 mm rain
- Nantou, China in MayChina · 26 kmHigh 29.3°C · Low 23.5°C · 281 mm rain
- Zhongshan in MayChina · 31 kmHigh 29.0°C · Low 23.9°C · 238 mm rain
- Daliang in MayChina · 33 kmHigh 29.4°C · Low 23.4°C · 281 mm rain
- Jing’an in MayChina · 47 kmHigh 27.9°C · Low 24.3°C · 230 mm rain
- Changsha, China in MayChina · 47 kmHigh 29.3°C · Low 23.3°C · 249 mm rain
- Taishan in MayChina · 48 kmHigh 29.3°C · Low 23.6°C · 249 mm rain
- Shiqiao in MayChina · 49 kmHigh 29.3°C · Low 23.3°C · 290 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.