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August Weather in Vienna, United States

Last updated: June 24, 2025

In Vienna, United States, the average temperature in August hovers around 24°C (75°F). However, it's not unusual to experience a range, with minimums dipping to 13°C (56°F) and maximums soaring to 35°C (95°F). Expect 121 mm (4.8 in) of precipitation spread over about 13 days, contributing to an average humidity level of 73%.

August Temperature in Vienna

In August in Vienna, the average temperature is 24°C (75°F). The maximum can reach 35°C (95°F), and the minimum can be as low as 13°C (56°F). This makes it an ideal time for travelers to enjoy a pleasant climate while exploring the area.

August Weather in Vienna: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in Vienna, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Vienna, August typically has an average temperature of 24°C (75°F), with highs reaching up to 35°C (95°F) and lows dropping to around 13°C (56°F).
JanFebMarAprMayJunJulAugSepOctNovDec343845546572777470594539
Data source: Temperature data for Vienna generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

August Precipitation in Vienna

In Vienna in August, the total precipitation amount is 121 mm (4.8 in) over the course of 13 days.

August Precipitation Trends in Vienna

The chart displays monthly precipitation patterns in Vienna, with values for each month alongside August’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how August’s conditions compare to those of other months. In Vienna, August typically receives around 121 mm (4.8 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec9412511514715316311912110612082118
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Vienna

In Vienna in August humidity is 73%. With an average temperature of 24°C (75°F), this humidity feels like a warm embrace, making it somewhat uncomfortable for traveling if you're not acclimated, as sweat clings to your skin and limits your energy for exploration.

August Average Humidity in Vienna

This chart illustrates the average monthly humidity levels in Vienna, with August’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In August, average humidity in Vienna is approximately 73%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%88%88%87%82%84%82%73%74%81%89%86%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Vienna

In Vienna in August, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Vienna.

Maximum UV Index Levels in Vienna for August

The chart shows the monthly maximum UV Index (UVI) for Vienna in August, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In August, the maximum UV index in Vienna typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec357910101098653
Data source: Vienna August UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How August Weather in Vienna Compares to Other Months

Weather in Vienna varies notably across the year, with each month offering distinct climate conditions. This page compares August’s weather to other months in Vienna, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Vienna, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather1°C (34°F)94 mm (3.7 inches)88%moderate
February Weather4°C (39°F)125 mm (4.9 inches)88%moderate
March Weather7°C (46°F)115 mm (4.5 inches)88%high
April Weather12°C (55°F)147 mm (5.8 inches)86%very high
May Weather18°C (65°F)153 mm (6.0 inches)82%very high
June Weather22°C (72°F)163 mm (6.4 inches)84%very high
July Weather25°C (77°F)119 mm (4.7 inches)82%very high
August Weather24°C (75°F)121 mm (4.8 inches)73%very high
September Weather21°C (70°F)106 mm (4.2 inches)73%very high
October Weather15°C (60°F)120 mm (4.7 inches)81%high
November Weather7°C (45°F)82 mm (3.2 inches)89%moderate
December Weather4°C (39°F)118 mm (4.6 inches)86%moderate

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