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April Weather in Althornbach, Germany

Last updated: August 23, 2025

In April, the average temperature in Althornbach, Germany hovers around 10°C (50°F), making it a pleasantly mild time of year. However, be prepared for a temperature range that can dip to a chilly -3°C (26°F) or soar to a warm 27°C (80°F). Rain is a possibility, with a total precipitation of 41 mm (1.6 in) spread across 9 days, so consider packing an umbrella! Additionally, the average humidity sits at a sticky 84%, adding a touch of moisture to the air.

April Temperature in Althornbach

In April in Althornbach, the average temperature is 10°C (50°F). The maximum can reach 27°C (80°F), and the minimum can be as low as -3°C (26°F). Be prepared for a wide range of temperatures when traveling, so pack accordingly!

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

The chart illustrates April temperature patterns in Althornbach, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Althornbach, April typically has an average temperature of 10°C (50°F), with highs reaching up to 27°C (80°F) and lows dropping to around -3°C (26°F).
JanFebMarAprMayJunJulAugSepOctNovDec353943505666676759524238
Data source: Temperature data for Althornbach 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 Althornbach

In Althornbach in April, the precipitation amount is 41 mm (1.6 in) spread over 9 days.

April Precipitation Trends in Althornbach

The chart displays monthly precipitation patterns in Althornbach, 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 Althornbach, April typically receives around 41 mm (1.6 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec7778844185836257586667126
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Althornbach

In Althornbach in April, humidity is 84%. With an average temperature of 10°C (50°F), this humidity feels like a chilly dampness that clings to your skin, making outdoor activities less comfortable and prompting travelers to seek refuge in cozy, warm cafes or indoor attractions.

April Average Humidity in Althornbach

This chart illustrates the average monthly humidity levels in Althornbach, 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 Althornbach is approximately 84%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec92%90%88%84%81%82%82%80%83%89%91%93%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Althornbach

In Althornbach 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 Althornbach, you can refer to this Hourly UV Index in Althornbach.

Maximum UV Index Levels in Althornbach for April

The chart shows the monthly maximum UV Index (UVI) for Althornbach 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 Althornbach typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec234689876421
Data source: Althornbach 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 Althornbach Compares to Other Months

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

This table compares monthly weather conditions in Althornbach, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather2°C (35°F)77 mm (3.0 inches)91%low
February Weather4°C (39°F)78 mm (3.1 inches)90%moderate
March Weather6°C (43°F)84 mm (3.3 inches)88%moderate
April Weather10°C (50°F)41 mm (1.6 inches)84%high
May Weather13°C (56°F)85 mm (3.3 inches)81%very high
June Weather19°C (66°F)83 mm (3.3 inches)82%very high
July Weather20°C (68°F)62 mm (2.4 inches)82%very high
August Weather19°C (67°F)57 mm (2.2 inches)80%high
September Weather15°C (60°F)58 mm (2.3 inches)83%high
October Weather11°C (52°F)66 mm (2.6 inches)89%moderate
November Weather6°C (42°F)67 mm (2.6 inches)91%low
December Weather3°C (39°F)126 mm (5.0 inches)93%low

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