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April Weather in Heyersum, Germany

Last updated: August 23, 2025

In Heyersum, Germany, the average temperature in April hovers around 9°C (49°F), with a minimum low of -4°C (24°F) and a maximum high reaching 27°C (81°F). Expect 44 mm (1.7 in) of precipitation spread over 9 days, and a notable average humidity of 82% adds to the atmosphere.

April Temperature in Heyersum

In April in Heyersum, the average temperature is 9°C (49°F), with maximums reaching up to 27°C (81°F) and minimums dropping as low as -4°C (24°F). This variation makes it a great time for travelers to experience both mild and chilly weather, so packing layers is recommended.

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

The chart illustrates April temperature patterns in Heyersum, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Heyersum, April typically has an average temperature of 9°C (49°F), with highs reaching up to 27°C (81°F) and lows dropping to around -4°C (24°F).
JanFebMarAprMayJunJulAugSepOctNovDec373842485665666659534440
Data source: Temperature data for Heyersum 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 Heyersum

In Heyersum in April, the precipitation amount is 44 mm (1.7 in) over the course of 9 days.

April Precipitation Trends in Heyersum

The chart displays monthly precipitation patterns in Heyersum, 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 Heyersum, April typically receives around 44 mm (1.7 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec576264446367847160734569
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Heyersum

In Heyersum in April, humidity is 82%. With an average temperature of 9°C (49°F), this humidity feels like a damp chill that clings to your skin, making outdoor activities less enjoyable and prompting travelers to seek warmth indoors or in cozy cafes.

April Average Humidity in Heyersum

This chart illustrates the average monthly humidity levels in Heyersum, 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 Heyersum is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%89%87%82%73%66%66%67%81%86%90%90%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Heyersum

In Heyersum in April, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Heyersum.

Maximum UV Index Levels in Heyersum for April

The chart shows the monthly maximum UV Index (UVI) for Heyersum 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 Heyersum typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec124578875321
Data source: Heyersum 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 Heyersum Compares to Other Months

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

This table compares monthly weather conditions in Heyersum, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather3°C (38°F)57 mm (2.2 inches)91%low
February Weather4°C (39°F)62 mm (2.4 inches)89%low
March Weather6°C (43°F)64 mm (2.5 inches)87%moderate
April Weather9°C (49°F)44 mm (1.7 inches)82%moderate
May Weather13°C (56°F)63 mm (2.5 inches)73%high
June Weather18°C (65°F)67 mm (2.6 inches)66%very high
July Weather19°C (66°F)84 mm (3.3 inches)66%very high
August Weather19°C (67°F)71 mm (2.8 inches)67%high
September Weather15°C (59°F)59 mm (2.3 inches)81%moderate
October Weather12°C (53°F)73 mm (2.9 inches)86%moderate
November Weather7°C (44°F)45 mm (1.8 inches)90%low
December Weather4°C (40°F)69 mm (2.7 inches)90%low

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