Climate averages 1991–2020
Sandu weather
in May.
A hot, wet month: the 3rd warmest and the 7th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
May is a hot month in Sandu: daytime highs average 30.8°C and nights cool to about 25.7°C. By daytime temperature it is the 3rd warmest of the 12 months.
Expect about 108 mm of rain on roughly 17 days, which makes May a wet month (the 7th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 13 h 04 min on an average May day.
The nearest other city in this atlas is Dacheng (36 km away). In May its highs average 31.9°C, 1.2°C warmer than Sandu, with 185 mm of rain.
Among the 884 cities listed in China, Sandu ranks joint 8th of 884 for the warmest May highs and 493rd of 884 for the driest May (rainfall, lowest first). The mean May high of those 884 cities is 25.2°C; Sandu is 5.5°C warmer than that mean.
From May to June, average highs rise by 0.9°C to 31.6°C, and monthly rainfall rises from 108 mm to 142 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
Sandu climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 21.8°C16.7°C | 16.7°C | 32 | 6.7 | 11.111 h |
| February | 23.1°C17.5°C | 17.5°C | 28 | 5.7 | 11.511 h |
| March | 26.0°C20.0°C | 20.0°C | 31 | 6.3 | 12.012 h |
| April | 28.9°C23.1°C | 23.1°C | 57 | 10.5 | 12.613 h |
| May, selected | 30.8°C25.7°C | 25.7°C | 108 | 16.6 | 13.113 h |
| June | 31.6°C27.3°C | 27.3°C | 142 | 14.3 | 13.313 h |
| July | 31.3°C27.2°C | 27.2°C | 191 | 15.6 | 13.213 h |
| August | 30.3°C26.7°C | 26.7°C | 276 | 20.5 | 12.813 h |
| September | 29.4°C25.5°C | 25.5°C | 192 | 19.7 | 12.312 h |
| October | 27.9°C23.7°C | 23.7°C | 118 | 11.7 | 11.712 h |
| November | 25.7°C21.3°C | 21.3°C | 45 | 6.1 | 11.211 h |
| December | 22.4°C18.1°C | 18.1°C | 41 | 6.2 | 11.011 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
- Dacheng in MayChina · 36 kmHigh 31.9°C · Low 24.0°C · 185 mm rain
- Yaxing in MayChina · 38 kmHigh 31.4°C · Low 23.9°C · 156 mm rain
- Nada in MayChina · 48 kmHigh 31.7°C · Low 24.0°C · 185 mm rain
- Basuo in MayChina · 96 kmHigh 30.8°C · Low 26.2°C · 125 mm rain
- Wuzhishan in MayChina · 116 kmHigh 30.2°C · Low 23.8°C · 186 mm rain
- Xucheng in MayChina · 116 kmHigh 30.9°C · Low 25.1°C · 121 mm rain
- Haikou in MayChina · 121 kmHigh 30.3°C · Low 25.6°C · 123 mm rain
- Qiongshan in MayChina · 122 kmHigh 29.9°C · Low 25.5°C · 123 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 Sandu) is explained once on the Sandu year overview and on the Sources, method and limits page.