Vienna
Austria
Long-term weather forecast
Long-term weather forecast

August weather forecast and climate
Vienna, Austria

The scenic view of the historic Schloss Belvedere in Vienna, Austria built to serve as a summer residence for Prince Eugene Of Savoy
The scenic view of the historic Schloss Belvedere in Vienna, Austria built to serve as a summer residence for Prince Eugene Of Savoy
August is the wettest month, with 66mm (2.6") of rainfall amid nine wet days. The moderately hot and humid conditions in Vienna, Austria, register temperatures in the average 17.8°C (64°F) to 26.7°C (80.1°F) range.
The skies remain sunny for at least 8 hours a day with brief intervals of rain. Mornings and evenings provide plenty of warmth and are better for outdoor excursions than the midday heat.
August provides perfect weather for bike riding through Vienna's beautiful streets and bubbling markets. Indian summer in August may see temperature rises in Vienna by at least -15°C (5°F) and sticky conditions!

What is the temperature in August in Vienna?

In August, the average high-temperature is 26.6°C (79.9°F), and the average low-temperature is 17.5°C (63.5°F).

How many days does it rain in August in Vienna?

In August, the rain falls for 8.5 days. Throughout August, 66.5mm (2.6") of precipitation is accumulated.

How many hours of daylight does Vienna have in August?

In Vienna, Austria, the average length of the day in August is 14.3h.

How long on average sun shines in August in Vienna?

In August, the average sunshine in Vienna is 8.1h.

What is the UV index reading in August in Vienna?

In August, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high health risk from the exposure to the Sun's UV rays.
Average temperature in August - Vienna, Austria
  • Average high temperature in August: 26.6°C

The warmest month (with the highest average high temperature) is July (26.7°C).
The month with the lowest average high temperature is January (3.8°C).

  • Average low temperature in August: 17.5°C

The month with the highest average low temperature is August (17.5°C).
The coldest month (with the lowest average low temperature) is January (-0.8°C).

Average rainfall in August - Vienna, Austria
  • Average rainfall in August: 66.5mm

The wettest month (with the highest rainfall) is July (66.6mm).
The driest month (with the lowest rainfall) is January (21.3mm).

Average rainfall days in August - Vienna, Austria
  • Average rainfall days in August: 8.5 days

The month with the highest number of rainy days is June (9.3 days).
The month with the lowest number of rainy days is January (5.3 days).

Average snowfall in August - Vienna, Austria
  • Average snowfall in August: 0mm

The month with the highest snowfall is January (186mm).
Months with the lowest snowfall are May, June, July, August, September and October (0mm).

Average daylight in August / Average sunshine in August - Vienna, Austria
  • Average daylight in August: 14.3h

The month with the longest days is June (Average daylight: 16h).
The month with shortest days is December (Average daylight: 8.4h).

  • Average sunshine in August: 8.1h

The month with most sunshine is July (Average sunshine: 8.5h).
The month with least sunshine is December (Average sunshine: 1.7h).

Average UV index in August - Vienna, Austria
  • Average UV index in August: 6

Months with the highest UV index are June and July (UV index 7).
Months with the lowest UV index are January, November and December (UV index 1).