Climate averages 1991–2020
Shiyan weather
in August.
A hot, 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 Shiyan: daytime highs average 30.3°C and nights cool to about 23.3°C. By daytime temperature it is the 2nd warmest of the 12 months.
Expect about 122 mm of rain on roughly 12 days, which makes August a wet month (the 11th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 13 h 21 min on an average August day.
The nearest other city in this atlas is Danjiangkou (69 km away). In August its highs average 30.7°C, about as warm as Shiyan, with 145 mm of rain.
Among the 884 cities listed in China, Shiyan ranks joint 362nd of 884 for the warmest August highs and joint 140th of 884 for the driest August (rainfall, lowest first). The mean August high of those 884 cities is 29.3°C; Shiyan is 1.0°C warmer than that mean.
From August to September, average highs fall by 4.4°C to 25.8°C, and monthly rainfall falls from 122 mm to 99 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
Shiyan climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 7.9°C-0.2°C | -0.2°C | 23 | 4.8 | 10.310 h |
| February | 10.8°C2.0°C | 2.0°C | 27 | 5.4 | 11.011 h |
| March | 15.9°C6.0°C | 6.0°C | 48 | 7.5 | 12.012 h |
| April | 22.1°C11.6°C | 11.6°C | 53 | 7.6 | 13.013 h |
| May | 26.4°C16.5°C | 16.5°C | 78 | 9.1 | 13.814 h |
| June | 30.0°C21.1°C | 21.1°C | 102 | 8.1 | 14.314 h |
| July | 31.4°C24.0°C | 24.0°C | 130 | 12.8 | 14.114 h |
| August, selected | 30.3°C23.3°C | 23.3°C | 122 | 12.2 | 13.413 h |
| September | 25.8°C18.8°C | 18.8°C | 99 | 10.0 | 12.412 h |
| October | 21.0°C13.2°C | 13.2°C | 76 | 9.0 | 11.411 h |
| November | 15.1°C7.0°C | 7.0°C | 45 | 7.2 | 10.511 h |
| December | 9.7°C1.5°C | 1.5°C | 21 | 4.8 | 10.010 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
- Danjiangkou in AugustChina · 69 kmHigh 30.7°C · Low 23.6°C · 145 mm rain
- Laohekou in AugustChina · 88 kmHigh 30.7°C · Low 23.4°C · 135 mm rain
- Gucheng Chengguanzhen in AugustChina · 91 kmHigh 30.4°C · Low 23.2°C · 156 mm rain
- Dengzhou in AugustChina · 123 kmHigh 30.5°C · Low 23.1°C · 147 mm rain
- Nanzhang Chengguanzhen in AugustChina · 138 kmHigh 30.4°C · Low 23.3°C · 209 mm rain
- Zhenping in AugustChina · 142 kmHigh 29.9°C · Low 22.5°C · 158 mm rain
- Xiangyang in AugustChina · 145 kmHigh 30.5°C · Low 23.4°C · 165 mm rain
- Shangluo in AugustChina · 157 kmHigh 27.5°C · Low 19.9°C · 114 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 Shiyan) is explained once on the Shiyan year overview and on the Sources, method and limits page.