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June Weather in Boom, Belgium

Last updated: August 22, 2025

In June, the average temperature in Boom, Belgium hovers around 18°C (65°F). Expect a minimum chill of 8°C (46°F) and the possibility of heat peaking at 32°C (91°F). During this time, precipitation averages 63 mm (2.5 in) over about 9 days, contributing to a high average humidity of 82%.

June Temperature in Boom

In June in Boom, the average temperature is 18°C (65°F). The maximum can reach 32°C (91°F), and the minimum can be as low as 8°C (46°F). This range makes it an ideal time to explore outdoor activities while also being prepared for cooler evenings.

June Weather in Boom: Daily Temperature Highs, Lows, and Averages

The chart illustrates June temperature patterns in Boom, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Boom, June typically has an average temperature of 18°C (65°F), with highs reaching up to 32°C (91°F) and lows dropping to around 8°C (46°F).
JanFebMarAprMayJunJulAugSepOctNovDec404245505765666660554642
Data source: Temperature data for Boom 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.

June Precipitation in Boom

In Boom in June, the total precipitation amount is 63 mm (2.5 in) spread over a duration of 9 days.

June Precipitation Trends in Boom

The chart displays monthly precipitation patterns in Boom, with values for each month alongside June’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how June’s conditions compare to those of other months. In Boom, June typically receives around 63 mm (2.5 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec626769385863677351795389
Data source: Precipitation data for June generated using information from the Copernicus Climate Change Service.
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June Humidity in Boom

In Boom in June, humidity is 82%. With an average temperature of 18°C (65°F), this humidity feels like a warm, sticky embrace that can quickly leave travelers feeling fatigued and in need of frequent breaks to stay refreshed and hydrated.

June Average Humidity in Boom

This chart illustrates the average monthly humidity levels in Boom, with June’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In June, average humidity in Boom is approximately 82%, 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 June generated using information from the Copernicus Climate Change Service.

June UV Index in Boom

In Boom in June, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Boom.

Maximum UV Index Levels in Boom for June

The chart shows the monthly maximum UV Index (UVI) for Boom in June, 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 June, the maximum UV index in Boom typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec124578875321
Data source: Boom June 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 June Weather in Boom Compares to Other Months

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

This table compares monthly weather conditions in Boom, showing how June’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (40°F)62 mm (2.4 inches)91%low
February Weather6°C (42°F)67 mm (2.6 inches)89%low
March Weather7°C (46°F)69 mm (2.7 inches)87%moderate
April Weather10°C (51°F)38 mm (1.5 inches)85%moderate
May Weather14°C (57°F)58 mm (2.3 inches)82%high
June Weather18°C (65°F)63 mm (2.5 inches)82%very high
July Weather19°C (67°F)67 mm (2.6 inches)80%very high
August Weather19°C (66°F)73 mm (2.9 inches)76%high
September Weather16°C (60°F)50 mm (2.0 inches)82%moderate
October Weather13°C (55°F)79 mm (3.1 inches)89%moderate
November Weather8°C (46°F)53 mm (2.1 inches)92%low
December Weather6°C (43°F)89 mm (3.5 inches)92%low

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