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April Weather in Vienna, United States

Last updated: June 24, 2025

In April, the average temperature in Vienna, United States hovers around 6°C (43°F). Expect a range from a chilly -7°C (20°F) to a warm 24°C (76°F). This month also brings about 121 mm (4.8 in) of precipitation over approximately 12 days, with an average humidity of 84%. Prepare for a mix of cool breezes and the occasional shower!

April Temperature in Vienna

In April in Vienna, the average temperature is 6°C (43°F). The maximum can reach 24°C (76°F) while the minimum can drop as low as -7°C (20°F). Be prepared for a wide range of temperatures when traveling during this time.

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

The chart illustrates April 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, April typically has an average temperature of 6°C (43°F), with highs reaching up to 24°C (76°F) and lows dropping to around -7°C (20°F).
JanFebMarAprMayJunJulAugSepOctNovDec212330435565706962503625
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.

April Precipitation in Vienna

In Vienna in April, the precipitation amount reaches 121 mm (4.8 in) over the course of 12 days.

April Precipitation Trends in Vienna

The chart displays monthly precipitation patterns in Vienna, with values for each month alongside April’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how April’s conditions compare to those of other months. In Vienna, April typically receives around 121 mm (4.8 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec83847312183741218370127110113
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Vienna

In Vienna in April, humidity is 84%. With an average temperature of 6°C (43°F), this humidity feels like a damp chill that penetrates your clothing, making outdoor excursions uncomfortable and prompting travelers to seek refuge indoors or find warm, sheltered spots to enjoy their surroundings.

April Average Humidity in Vienna

This chart illustrates the average monthly humidity levels in Vienna, with April’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In April, average humidity in Vienna is approximately 84%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%89%85%84%78%72%75%74%77%85%86%85%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Vienna

In Vienna in April, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Vienna.

Maximum UV Index Levels in Vienna for April

The chart shows the monthly maximum UV Index (UVI) for Vienna in April, 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 April, the maximum UV index in Vienna typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2458910987532
Data source: Vienna April 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 April 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 April’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 April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-6°C (21°F)83 mm (3.2 inches)91%low
February Weather-5°C (23°F)84 mm (3.3 inches)89%moderate
March Weather-1°C (31°F)72 mm (2.9 inches)85%moderate
April Weather6°C (43°F)121 mm (4.8 inches)84%very high
May Weather13°C (55°F)83 mm (3.3 inches)78%very high
June Weather18°C (65°F)74 mm (2.9 inches)72%very high
July Weather21°C (70°F)121 mm (4.7 inches)75%very high
August Weather21°C (69°F)82 mm (3.2 inches)74%very high
September Weather17°C (62°F)70 mm (2.7 inches)77%high
October Weather10°C (50°F)127 mm (5.0 inches)85%moderate
November Weather2°C (36°F)110 mm (4.3 inches)86%moderate
December Weather-4°C (26°F)113 mm (4.4 inches)85%low

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