Hangzhou weather in August
Temperature, sea and sunshine in August: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in August
Poor
Best time to visit: April – May, September – November
What is the weather like in Hangzhou in August?
In August, Hangzhou is hot: daytime highs average 33 °C, and even at night it stays warm at around 25 °C. The sea averages 29.2 °C – almost as warm as a bath. Expect around 6 hours of sunshine a day. It rains often – on about 15 days, adding up to 138 mm. On about 24 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, August is not an ideal month for a holiday in Hangzhou.
August compared
How the weather changes from July to September. Tap a month to open it.
| JulyJul | AugustAug | SeptemberSep | |
|---|---|---|---|
| Score | 34 | 33 | 64 |
| Day | 33° | 33° | 28° |
| Night | 26° | 25° | 21° |
| Sea | 28° | 29° | 27° |
| Sun | 7 h | 6 h | 5 h |
| Rain days | 14 | 15 | 11 |
More details for August
- Daylight
- 13 h 17 min05:26 – 18:43
- UV index
- 11 · extremeclear sky, noon (estimate)All months
- Muggy days
- 31 daysdew point 18 °C or moreAll months
- Wind
- 14 km/haverage daily peakAll months
- Cloud cover
- 62 %on averageAll months
- Hot days
- 24 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 %30 %
- Sunshineweight 20 %52 %
- Few rainy daysweight 30 %24 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in August
- Swimwear
- Sunscreen
- Sunglasses & sun hat
- Light, breathable clothes
- Water bottle – drink plenty
- Insect repellent
- Rain jacket or umbrella
Hangzhou in August: quick answers
Is Hangzhou hot in August?
Yes. In August, Hangzhou is hot: daytime highs average 33 °C and nights stay around 25 °C. On about 24 days the thermometer climbs to 30 °C or more.
Can you swim in Hangzhou in August?
Yes. In August the sea averages 29.2 °C – almost as warm as a bath.
Does it rain much in Hangzhou in August?
It rains often – on about 15 days, adding up to 138 mm.
Hangzhou month by month
The whole year in HangzhouAll destinations: ChinaWhere to go in AugustSea temperature 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