Weather in Vienna in August 2025
- August is usually the hottest month of the year in Vienna;
Average weather
Average temperature in Vienna in August
Going from a maximum of +36°C during the day to a minimum of +11°C during the night, the temperature in August averages around +27°C.
The average maximum temperature goes up 0% by the end of the month, compared with the beginning of the month, from +23°C to +23°C.
Is Vienna warm or cold in August?
Vienna is typically warm in August.
Maximum temperatures go up compared to the previous month from +26°C to +26°C. The minimum temperature also goes up from +16°C to +16°C.
It’s generally warm, but pack a long-sleeve shirt for evenings.
August is the hottest month in Vienna, here is the comparison with other months:
Travel to Vienna
Climate in Vienna in August
| July | August | September | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +26°C | +26°C | +21°C | ||||
| Min. temperature | ||||||
| +8°C | +8°C | +2°C | ||||
| Max. temperature | ||||||
| +38°C | +38°C | +34°C | ||||
| Rainfall | ||||||
| 96 mm | 89 mm | 81 mm | ||||
| Wind | ||||||
| 3 m/s | 3 m/s | 3 m/s | ||||
| Humidity | ||||||
| 63% | 65% | 71% | ||||
| Air pressure | ||||||
| 1014 HPa | 1014 HPa | 1016 HPa | ||||
| Sunny days | ||||||
| 8 | 9 | 9 | ||||
| Cloudy days | ||||||
| 2 | 3 | 6 | ||||
| Rainy days | ||||||
| 14 | 14 | 13 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
August weather is still as good as in July. The temperature levels stay the same in the area of +26°C for average maximum temperature during the day. As August arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 96 mm to 89 mm. Humidity rises from 63% to 65%. The average wind speed doesn’t change much during August, staying around 3 m/s. The good news is there are likely to be more sunny days in August, from 8 to 9.
September brings much the same weather, it remains good.
Wind
The average wind speed is 3 m/s getting up to 13 m/s which is a medium breeze. You can feel it, especially getting out of the water.
The average wind speed in Vienna is gradually increasing during August, going from 1 m/s to 5 m/s over the course of the month.
Rain
How was the weather last August in Vienna?
Climate Change over Years
The climate in Vienna in August has not changed much over the last 43 years.
The average temperature was the lowest in 1996 (+13°C) and the highest in 2023 (+17°C). The driest year was 2003 with only 435 mm of rainfall, and the wettest year was 2019 with 2441 mm.
FAQ
Is August a good time to visit Vienna?
Can you sunbathe in Vienna in August?
Is Vienna rainy in August?
Is it sunny in Vienna in August?
How much does it cost to fly to Vienna in August?
Other cities in Austria
Monthly weather in Vienna
Source of the data
For this page, we’ve looked at the typical weather in Vienna, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.