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April Weather in Aalen, Germany

Last updated: August 23, 2025

In April, the average temperature in Aalen, Germany is a cool 9°C (48°F). While you might experience chilly nights with a minimum of -12°C (11°F), days can bring a pleasant surprise with highs reaching 26°C (78°F). Expect 44 mm (1.7 in) of precipitation spread over 10 days, contributing to an average humidity of 83%. Be prepared for a mix of weather as you explore this unique destination!

April Temperature in Aalen

In April in Aalen, the average temperature is 9°C (48°F). Maximums can reach 26°C (78°F), while minimums can dip as low as -12°C (11°F). Travelers should be prepared for a wide range of temperatures and pack accordingly.

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

The chart illustrates April temperature patterns in Aalen, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Aalen, April typically has an average temperature of 9°C (48°F), with highs reaching up to 26°C (78°F) and lows dropping to around -12°C (11°F).
JanFebMarAprMayJunJulAugSepOctNovDec323640485464656557493935
Data source: Temperature data for Aalen 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 Aalen

In Aalen in April, the total precipitation amount is 44 mm (1.7 in) over the course of 10 days.

April Precipitation Trends in Aalen

The chart displays monthly precipitation patterns in Aalen, 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 Aalen, April typically receives around 44 mm (1.7 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec8077814411212596104607455111
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Aalen

In Aalen in April humidity is 83%. With an average temperature of 9°C (48°F), this humidity feels like an enveloping blanket, making outdoor activities quite uncomfortable and encouraging travelers to seek shelter or shade frequently.

April Average Humidity in Aalen

This chart illustrates the average monthly humidity levels in Aalen, 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 Aalen is approximately 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%89%87%83%79%82%83%84%86%88%89%91%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Aalen

In Aalen in April, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Aalen, you can refer to this Hourly UV Index in Aalen.

Maximum UV Index Levels in Aalen for April

The chart shows the monthly maximum UV Index (UVI) for Aalen 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 Aalen typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235689986421
Data source: Aalen 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 Aalen Compares to Other Months

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

This table compares monthly weather conditions in Aalen, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (32°F)79 mm (3.1 inches)91%low
February Weather2°C (36°F)77 mm (3.0 inches)89%moderate
March Weather5°C (40°F)81 mm (3.2 inches)87%moderate
April Weather9°C (48°F)44 mm (1.7 inches)83%high
May Weather12°C (54°F)112 mm (4.4 inches)79%very high
June Weather18°C (64°F)125 mm (4.9 inches)82%very high
July Weather18°C (65°F)96 mm (3.8 inches)83%very high
August Weather18°C (65°F)104 mm (4.1 inches)84%very high
September Weather14°C (57°F)60 mm (2.4 inches)85%high
October Weather10°C (50°F)74 mm (2.9 inches)88%moderate
November Weather4°C (40°F)55 mm (2.2 inches)89%low
December Weather2°C (35°F)111 mm (4.4 inches)91%low

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