Dalian 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
Excellent
Best time to visit: May – October
What is the weather like in Dalian in August?
In August, Dalian is warm: daytime highs average 27 °C, and even at night it stays warm at around 23 °C. The sea averages 24.6 °C – pleasant for swimming. The sun shines for around 7 hours a day. Rain is frequent, with about 9 rainy days and 147 mm in total. The air is often humid and muggy. All in all, August is an excellent month for a holiday in Dalian.
August compared
How the weather changes from July to September. Tap a month to open it.
| JulyJul | AugustAug | SeptemberSep | |
|---|---|---|---|
| Score | 80 | 82 | 93 |
| Day | 26° | 27° | 23° |
| Night | 23° | 23° | 19° |
| Sea | 22° | 25° | 23° |
| Sun | 7 h | 7 h | 8 h |
| Rain days | 10 | 9 | 5 |
More details for August
- Daylight
- 13 h 44 min05:06 – 18:50
- UV index
- 9 · very highclear sky, noon (estimate)All months
- Muggy days
- 28 daysdew point 18 °C or moreAll months
- Wind
- 21 km/haverage daily peakAll months
- Cloud cover
- 52 %on averageAll months
- Hot days
- 1 day30 °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 %100 %
- Sunshineweight 20 %70 %
- Few rainy daysweight 30 %61 %
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
- Insect repellent
- Rain jacket or umbrella
Dalian in August: quick answers
Is Dalian hot in August?
Warm rather than hot: in August, daytime highs in Dalian average 27 °C and nights cool to about 23 °C.
Can you swim in Dalian in August?
Yes. In August the sea averages 24.6 °C – pleasant for swimming.
Does it rain much in Dalian in August?
Rain is frequent, with about 9 rainy days and 147 mm in total.
Dalian month by month
The whole year in DalianAll 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