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April Weather in Vienna, United States

Last updated: June 24, 2025

In April, the average temperature in Vienna, United States is a mild 14°C (57°F). However, be prepared for fluctuations: temperatures can drop to a brisk -3°C (28°F) or soar to a warm 30°C (86°F). Expect about 140 mm (5.5 in) of rain spread over 12 days, contributing to an average humidity of 80%. Plan accordingly to make the most of your time in this vibrant locale!

April Temperature in Vienna

In April in Vienna, the average temperature is 14°C (57°F). Maximums can reach 30°C (86°F), while minimums can drop as low as -3°C (28°F). This wide range makes it essential for travelers to pack layers and be prepared for varying weather conditions.

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 14°C (57°F), with highs reaching up to 30°C (86°F) and lows dropping to around -3°C (28°F).
JanFebMarAprMayJunJulAugSepOctNovDec363949576877807773614642
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 total precipitation amount is 140 mm (5.5 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 140 mm (5.5 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec10212615314014710810191731339691
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 80%. With an average temperature of 14°C (57°F), this humidity feels like a warm, damp blanket wrapping around you, making travel uncomfortable and sticky, as sweat clings to your skin and the air feels heavy with moisture.

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 80%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%84%84%80%82%83%80%76%75%75%85%88%
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 reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check 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 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec35710111110109753
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 Weather2°C (36°F)102 mm (4.0 inches)86%moderate
February Weather4°C (39°F)126 mm (5.0 inches)84%moderate
March Weather10°C (49°F)153 mm (6.0 inches)84%high
April Weather14°C (57°F)140 mm (5.5 inches)80%very high
May Weather20°C (68°F)147 mm (5.8 inches)82%extreme
June Weather25°C (77°F)108 mm (4.3 inches)83%extreme
July Weather27°C (80°F)101 mm (4.0 inches)79%very high
August Weather25°C (77°F)91 mm (3.6 inches)76%very high
September Weather23°C (73°F)72 mm (2.9 inches)75%very high
October Weather16°C (61°F)132 mm (5.2 inches)74%high
November Weather8°C (46°F)96 mm (3.8 inches)85%moderate
December Weather5°C (42°F)91 mm (3.6 inches)88%moderate

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