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April Weather in Altendorf, Germany

Last updated: August 23, 2025

In April, the average temperature in Altendorf, Germany hovers around 9°C (48°F). Expect chilling lows of -6°C (21°F) and potential highs reaching 26°C (80°F). With 38 mm (1.5 in) of precipitation over 8 days, you might want to bring an umbrella! The air stays humid, with an average humidity of 84%, making for a refreshing, albeit cool, atmosphere.

April Temperature in Altendorf

In April in Altendorf, the average temperature is 9°C (48°F). Maximums can reach 26°C (80°F), while minimums can drop as low as -6°C (21°F). It's essential to pack layers and be prepared for a wide range of temperatures when traveling during this time.

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

The chart illustrates April temperature patterns in Altendorf, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Altendorf, April typically has an average temperature of 9°C (48°F), with highs reaching up to 26°C (80°F) and lows dropping to around -6°C (21°F).
JanFebMarAprMayJunJulAugSepOctNovDec313440485565666657493934
Data source: Temperature data for Altendorf 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 Altendorf

In Altendorf in April, the total precipitation amount is 38 mm (1.5 in), spread over 8 days.

April Precipitation Trends in Altendorf

The chart displays monthly precipitation patterns in Altendorf, 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 Altendorf, April typically receives around 38 mm (1.5 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec636069389078748759604590
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Altendorf

In Altendorf in April, humidity is 84%. With an average temperature of 9°C (48°F), this humidity feels like a damp chill that envelops you, making it essential to dress in layers and stay active, as the moisture in the air can quickly lead to discomfort while traveling.

April Average Humidity in Altendorf

This chart illustrates the average monthly humidity levels in Altendorf, 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 Altendorf is approximately 84%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%89%88%84%77%82%83%84%85%88%88%91%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Altendorf

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

Maximum UV Index Levels in Altendorf for April

The chart shows the monthly maximum UV Index (UVI) for Altendorf 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 Altendorf typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235689876421
Data source: Altendorf 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 Altendorf Compares to Other Months

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

This table compares monthly weather conditions in Altendorf, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (32°F)63 mm (2.5 inches)91%low
February Weather1°C (35°F)60 mm (2.4 inches)89%moderate
March Weather4°C (40°F)69 mm (2.7 inches)88%moderate
April Weather9°C (48°F)38 mm (1.5 inches)84%high
May Weather13°C (55°F)90 mm (3.6 inches)77%very high
June Weather18°C (65°F)78 mm (3.1 inches)82%very high
July Weather19°C (66°F)74 mm (2.9 inches)83%very high
August Weather19°C (66°F)87 mm (3.4 inches)84%high
September Weather14°C (58°F)59 mm (2.3 inches)85%high
October Weather9°C (49°F)60 mm (2.4 inches)88%moderate
November Weather4°C (39°F)45 mm (1.8 inches)88%low
December Weather1°C (34°F)90 mm (3.6 inches)91%low

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