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April Weather in Hamm (Sieg), Germany

Last updated: August 23, 2025

In Hamm (Sieg), Germany, the average temperature in April hovers around 9°C (49°F), making it a season of contrasts. Expect chilly minimums that can plunge to -7°C (20°F), while the mercury can rise to a pleasant 26°C (79°F). During this month, rainfall totals approximately 44 mm (1.7 in) over 9 days, contributing to an average humidity of 83%. 🌧️ Be prepared for a mix of cool days and refreshing showers!

April Temperature in Hamm (Sieg)

In April in Hamm (Sieg), the average temperature is 9°C (49°F). Maximum temperatures can reach 26°C (79°F), while minimums can drop as low as -7°C (20°F). Travelers should be prepared for a wide range of temperatures and pack accordingly.

April Weather in Hamm (Sieg): Daily Temperature Highs, Lows, and Averages

The chart illustrates April temperature patterns in Hamm (Sieg), showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hamm (Sieg), April typically has an average temperature of 9°C (49°F), with highs reaching up to 26°C (79°F) and lows dropping to around -7°C (20°F).
JanFebMarAprMayJunJulAugSepOctNovDec353742485564656558514238
Data source: Temperature data for Hamm (Sieg) 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 Hamm (Sieg)

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

April Precipitation Trends in Hamm (Sieg)

The chart displays monthly precipitation patterns in Hamm (Sieg), 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 Hamm (Sieg), April typically receives around 44 mm (1.7 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec101961064483769082678963142
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Hamm (Sieg)

In Hamm (Sieg) in April, humidity is 83%. With an average temperature of 9°C (49°F), this humidity feels like a damp blanket wrapping around you, making outdoor activities uncomfortable for traveling and requiring extra layers to stay warm and dry.

April Average Humidity in Hamm (Sieg)

This chart illustrates the average monthly humidity levels in Hamm (Sieg), 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 Hamm (Sieg) is approximately 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec92%90%87%83%76%74%74%75%82%88%91%92%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Hamm (Sieg)

In Hamm (Sieg) 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 Hamm (Sieg).

Maximum UV Index Levels in Hamm (Sieg) for April

The chart shows the monthly maximum UV Index (UVI) for Hamm (Sieg) 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 Hamm (Sieg) typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec124578875421
Data source: Hamm (Sieg) 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 Hamm (Sieg) Compares to Other Months

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

This table compares monthly weather conditions in Hamm (Sieg), showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather2°C (35°F)100 mm (4.0 inches)92%low
February Weather3°C (38°F)96 mm (3.8 inches)90%low
March Weather6°C (42°F)106 mm (4.2 inches)87%moderate
April Weather9°C (49°F)44 mm (1.7 inches)83%moderate
May Weather13°C (55°F)83 mm (3.2 inches)76%high
June Weather18°C (64°F)76 mm (3.0 inches)74%very high
July Weather18°C (65°F)90 mm (3.6 inches)74%very high
August Weather18°C (65°F)82 mm (3.2 inches)75%high
September Weather14°C (58°F)67 mm (2.7 inches)82%moderate
October Weather10°C (51°F)89 mm (3.5 inches)88%moderate
November Weather5°C (42°F)63 mm (2.5 inches)90%low
December Weather3°C (38°F)142 mm (5.6 inches)92%low

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