Climate averages 1991–2020
Hefei weather
in August.
A hot, wet month: the 2nd warmest and the 10th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
August is a hot month in Hefei: daytime highs average 31.1°C and nights cool to about 24.5°C. By daytime temperature it is the 2nd warmest of the 12 months.
Expect about 154 mm of rain on roughly 13 days, which makes August a wet month (the 10th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 13 h 19 min on an average August day.
The nearest other city in this atlas is Chaohu (63 km away). In August its highs average 31.1°C, about as warm as Hefei, with 160 mm of rain.
Among the 884 cities listed in China, Hefei ranks joint 217th of 884 for the warmest August highs and joint 391st of 884 for the driest August (rainfall, lowest first). The mean August high of those 884 cities is 29.3°C; Hefei is 1.8°C warmer than that mean.
From August to September, average highs fall by 3.6°C to 27.5°C, and monthly rainfall falls from 154 mm to 79 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
Hefei climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 7.8°C-0.6°C | -0.6°C | 48 | 7.4 | 10.310 h |
| February | 10.6°C1.6°C | 1.6°C | 52 | 8.2 | 11.011 h |
| March | 15.4°C5.9°C | 5.9°C | 73 | 9.7 | 12.012 h |
| April | 21.6°C11.8°C | 11.8°C | 91 | 8.9 | 12.913 h |
| May | 26.3°C17.2°C | 17.2°C | 113 | 9.9 | 13.814 h |
| June | 29.1°C21.3°C | 21.3°C | 193 | 11.6 | 14.214 h |
| July | 31.6°C25.2°C | 25.2°C | 189 | 14.1 | 14.014 h |
| August, selected | 31.1°C24.5°C | 24.5°C | 154 | 12.8 | 13.313 h |
| September | 27.5°C19.9°C | 19.9°C | 79 | 8.0 | 12.412 h |
| October | 22.6°C14.0°C | 14.0°C | 52 | 6.3 | 11.411 h |
| November | 16.4°C7.5°C | 7.5°C | 43 | 6.3 | 10.611 h |
| December | 10.0°C1.4°C | 1.4°C | 29 | 5.2 | 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
August in nearby cities
- Chaohu in AugustChina · 63 kmHigh 31.1°C · Low 25.1°C · 160 mm rain
- Lucheng in AugustChina · 70 kmHigh 31.2°C · Low 24.7°C · 163 mm rain
- Lu’an in AugustChina · 74 kmHigh 30.9°C · Low 23.6°C · 150 mm rain
- Huainan in AugustChina · 89 kmHigh 30.5°C · Low 24.0°C · 160 mm rain
- Wuyang in AugustChina · 99 kmHigh 30.9°C · Low 23.9°C · 150 mm rain
- Chuzhou in AugustChina · 108 kmHigh 30.7°C · Low 24.1°C · 174 mm rain
- Tongling in AugustChina · 112 kmHigh 31.5°C · Low 24.9°C · 149 mm rain
- Ma’anshan in AugustChina · 118 kmHigh 31.1°C · Low 24.7°C · 172 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 Hefei) is explained once on the Hefei year overview and on the Sources, method and limits page.