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April Weather in Heelsum, Netherlands

Last updated: August 27, 2025

In April, the average temperature in Heelsum, Netherlands hovers around 10°C (50°F), with a minimum of -3°C (26°F) and a maximum reaching up to 28°C (82°F). Expect an average precipitation of 37 mm (1.5 in) spread across 9 days, coupled with a high average humidity of 84%. Embrace the climate, whether you're bundled up or soaking in the sun!

April Temperature in Heelsum

In April in Heelsum, the average temperature is 10°C (50°F), with a maximum that can reach 28°C (82°F) and a minimum that can drop as low as -3°C (26°F), making it essential to pack for both warm and cold weather when traveling.

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

The chart illustrates April temperature patterns in Heelsum, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Heelsum, April typically has an average temperature of 10°C (50°F), with highs reaching up to 28°C (82°F) and lows dropping to around -3°C (26°F).
JanFebMarAprMayJunJulAugSepOctNovDec394044495665666659544541
Data source: Temperature data for Heelsum 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 Heelsum

In Heelsum in April, the precipitation amount is 37 mm (1.5 in) over a span of 9 days.

April Precipitation Trends in Heelsum

The chart displays monthly precipitation patterns in Heelsum, 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 Heelsum, April typically receives around 37 mm (1.5 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec647675376270748463875389
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Heelsum

In Heelsum 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 Heelsum

This chart illustrates the average monthly humidity levels in Heelsum, 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 Heelsum is approximately 84%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%90%87%84%77%74%72%71%81%88%91%92%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Heelsum

In Heelsum 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 Heelsum.

Maximum UV Index Levels in Heelsum for April

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

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

This table compares monthly weather conditions in Heelsum, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (39°F)64 mm (2.5 inches)91%low
February Weather5°C (41°F)76 mm (3.0 inches)90%low
March Weather7°C (44°F)75 mm (3.0 inches)87%moderate
April Weather10°C (50°F)37 mm (1.5 inches)84%moderate
May Weather14°C (57°F)62 mm (2.4 inches)77%high
June Weather18°C (65°F)70 mm (2.8 inches)74%very high
July Weather19°C (66°F)74 mm (2.9 inches)72%very high
August Weather19°C (66°F)84 mm (3.3 inches)71%high
September Weather15°C (59°F)63 mm (2.5 inches)81%moderate
October Weather12°C (54°F)87 mm (3.4 inches)88%moderate
November Weather7°C (45°F)53 mm (2.1 inches)91%low
December Weather5°C (42°F)89 mm (3.5 inches)92%low

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