Vienna 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: April – September
What is the weather like in Vienna in August?
In August, Vienna is warm: daytime highs average 26 °C, and nights cool down to about 16 °C. The sun shines for around 8 hours a day. Rain is frequent, with about 10 rainy days and 68 mm in total. On about 6 days the thermometer climbs to 30 °C or more. All in all, August is an excellent month for a holiday in Vienna.
August compared
How the weather changes from July to September. Tap a month to open it.
| JulyJul | AugustAug | SeptemberSep | |
|---|---|---|---|
| Score | 80 | 83 | 78 |
| Day | 26° | 26° | 21° |
| Night | 17° | 16° | 12° |
| Sun | 8 h | 8 h | 6 h |
| Rain days | 12 | 10 | 10 |
More details for August
- Daylight
- 14 h 23 min05:48 – 20:11
- UV index
- 7 · highclear sky, noon (estimate)
- Muggy days
- 2 daysdew point 18 °C or more
- Wind
- 17 km/haverage daily peak
- Cloud cover
- 50 %on average
- Hot days
- 6 days30 °C or more
- Snow days
- 0 days1 cm or more of fresh snow
- Time zone
- UTC+2Europe/Vienna
How the score comes together
- Temperatureweight 50 %100 %
- Sunshineweight 20 %80 %
- Few rainy daysweight 30 %57 %
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
- Rain jacket or umbrella
Vienna in August: quick answers
Is Vienna hot in August?
Warm rather than hot: in August, daytime highs in Vienna average 26 °C and nights cool to about 16 °C. On about 6 days the thermometer climbs to 30 °C or more.
Does it rain much in Vienna in August?
Rain is frequent, with about 10 rainy days and 68 mm in total.
Vienna month by month
The whole year in ViennaAll destinations: Austria
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, GeoNames (CC BY 4.0)