Shanghai weather in August
Temperature, rain and sunshine in August: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in August
Fair
Best time to visit: April – May, September – November
What is the weather like in Shanghai in August?
In August, Shanghai is hot: daytime highs average 31 °C, and even at night it stays warm at around 26 °C. Expect around 6 hours of sunshine a day. It rains often – on about 15 days, adding up to 143 mm. On about 21 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, August is a so-so month for a holiday in Shanghai.
August compared
How the weather changes from July to September. Tap a month to open it.
| JulyJul | AugustAug | SeptemberSep | |
|---|---|---|---|
| Score | 43 | 43 | 70 |
| Day | 31° | 31° | 27° |
| Night | 26° | 26° | 22° |
| Sun | 6 h | 6 h | 5 h |
| Rain days | 15 | 15 | 12 |
More details for August
- Daylight
- 13 h 19 min05:19 – 18:39
- UV index
- 10 · very highclear sky, noon (estimate)All months
- Muggy days
- 31 daysdew point 18 °C or moreAll months
- Wind
- 19 km/haverage daily peakAll months
- Cloud cover
- 59 %on averageAll months
- Hot days
- 21 days30 °C or moreAll months
- Snow days
- 0 days1 cm or more of fresh snow
- Time zone
- UTC+8Asia/Shanghai
How the score comes together
- Temperatureweight 50 %51 %
- Sunshineweight 20 %50 %
- Few rainy daysweight 30 %25 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in August
- Sunscreen
- Sunglasses & sun hat
- Light, breathable clothes
- Water bottle – drink plenty
- Insect repellent
- Rain jacket or umbrella
Shanghai in August: quick answers
Is Shanghai hot in August?
Yes. In August, Shanghai is hot: daytime highs average 31 °C and nights stay around 26 °C. On about 21 days the thermometer climbs to 30 °C or more.
Does it rain much in Shanghai in August?
It rains often – on about 15 days, adding up to 143 mm.
Shanghai month by month
The whole year in ShanghaiAll destinations: ChinaWhere to go in August
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences