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April Weather in Westerlo, Belgium

Last updated: August 22, 2025

In April, the average temperature in Westerlo, Belgium hovers around 10°C (51°F). Expect a minimum of -3°C (26°F) and a maximum reaching up to 28°C (82°F). With approximately 33 mm (1.3 in) of precipitation over 8 days, it’s wise to keep an umbrella handy. The air is quite humid, averaging around 85%, which adds a unique touch to the local atmosphere.

April Temperature in Westerlo

In April in Westerlo, the average temperature is 10°C (51°F). Maximums can reach 28°C (82°F) and minimums can be as low as -3°C (26°F). This climate makes Westerlo a great destination for travelers seeking a mix of mild and warm experiences.

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

The chart illustrates April temperature patterns in Westerlo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Westerlo, April typically has an average temperature of 10°C (51°F), with highs reaching up to 28°C (82°F) and lows dropping to around -3°C (26°F).
JanFebMarAprMayJunJulAugSepOctNovDec394245505765676660544542
Data source: Temperature data for Westerlo 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 Westerlo

In Westerlo in April, the precipitation amount is 33 mm (1.3 in) during a span of 8 days.

April Precipitation Trends in Westerlo

The chart displays monthly precipitation patterns in Westerlo, 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 Westerlo, April typically receives around 33 mm (1.3 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec647173346373797857825696
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Westerlo

In Westerlo in April, humidity is 85%. With an average temperature of 10°C (51°F), this humidity feels like a damp chill enveloping you, making travel quite uncomfortable as your clothes cling to your skin and the air feels heavy, often leaving you longing for a dry, warmer environment.

April Average Humidity in Westerlo

This chart illustrates the average monthly humidity levels in Westerlo, 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 Westerlo is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%89%87%85%82%82%80%76%82%89%92%92%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Westerlo

In Westerlo 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 Westerlo.

Maximum UV Index Levels in Westerlo for April

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

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

This table compares monthly weather conditions in Westerlo, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (40°F)64 mm (2.5 inches)91%low
February Weather5°C (42°F)71 mm (2.8 inches)89%low
March Weather7°C (46°F)73 mm (2.9 inches)87%moderate
April Weather10°C (51°F)33 mm (1.3 inches)85%moderate
May Weather14°C (57°F)63 mm (2.5 inches)82%high
June Weather19°C (66°F)73 mm (2.9 inches)82%very high
July Weather19°C (67°F)79 mm (3.1 inches)80%very high
August Weather19°C (67°F)78 mm (3.1 inches)76%high
September Weather16°C (60°F)57 mm (2.2 inches)82%moderate
October Weather12°C (55°F)82 mm (3.2 inches)89%moderate
November Weather7°C (46°F)56 mm (2.2 inches)92%low
December Weather6°C (42°F)96 mm (3.8 inches)92%low

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