Weather in Vienna in August
August in Vienna is mild with average temperatures around 20.5°C (68.9°F). Moderate rainfall of 87mm spread over 13 days.
Data Note: Temperature values are 2001–2020 satellite/reanalysis grid averages from NASA POWER and may differ from airport station normals by a few degrees.
Temperature
High
26.1°C
79.0°F
Low
14.8°C
58.6°F
Precipitation
87 mm
3.4 inches
~13 rainy days
Conditions
Humidity
65%
Comparison to Adjacent Months
August is 5.2°C warmer than September.