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April Weather in Grethem, Germany

Last updated: August 23, 2025

In April, the average temperature in Grethem, Germany hovers around 9°C (49°F). Expect a range with a chilly minimum of -4°C (25°F) and an occasional warm peak reaching 27°C (80°F). Prepare for some rain, as 49 mm (1.9 in) of precipitation is spread across about 10 days, and don't forget to stay hydrated with an average humidity level of 82%!

April Temperature in Grethem

In April in Grethem, the average temperature is 9°C (49°F), with maximums reaching 27°C (80°F) and minimums dipping as low as -4°C (25°F). This varied climate makes it essential for travelers to pack layers to ensure comfort during their stay.

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

The chart illustrates April temperature patterns in Grethem, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Grethem, April typically has an average temperature of 9°C (49°F), with highs reaching up to 27°C (80°F) and lows dropping to around -4°C (25°F).
JanFebMarAprMayJunJulAugSepOctNovDec383942495665666659534440
Data source: Temperature data for Grethem 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 Grethem

In Grethem in April, the total precipitation amount is 49 mm (1.9 in) over the course of 10 days.

April Precipitation Trends in Grethem

The chart displays monthly precipitation patterns in Grethem, 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 Grethem, April typically receives around 49 mm (1.9 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec616266495867857256824779
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Grethem

In Grethem 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 Grethem

This chart illustrates the average monthly humidity levels in Grethem, 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 Grethem 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 Grethem

In Grethem 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 Grethem.

Maximum UV Index Levels in Grethem for April

The chart shows the monthly maximum UV Index (UVI) for Grethem 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 Grethem typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec124578775321
Data source: Grethem 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 Grethem Compares to Other Months

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

This table compares monthly weather conditions in Grethem, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather3°C (38°F)61 mm (2.4 inches)91%low
February Weather4°C (39°F)62 mm (2.4 inches)89%low
March Weather6°C (43°F)66 mm (2.6 inches)87%moderate
April Weather9°C (49°F)49 mm (1.9 inches)82%moderate
May Weather13°C (56°F)58 mm (2.3 inches)73%high
June Weather19°C (66°F)67 mm (2.6 inches)66%very high
July Weather19°C (66°F)85 mm (3.4 inches)66%high
August Weather19°C (67°F)72 mm (2.8 inches)67%high
September Weather15°C (59°F)56 mm (2.2 inches)81%moderate
October Weather12°C (53°F)82 mm (3.2 inches)86%moderate
November Weather7°C (44°F)47 mm (1.8 inches)90%low
December Weather4°C (40°F)79 mm (3.1 inches)90%low

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