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June Weather in Brussels, United States

Last updated: June 24, 2025

In June, the average temperature in Brussels, United States is a pleasant 18°C (64°F). Expect a minimum of 7°C (45°F) and a maximum of 29°C (85°F), making it a perfect time to enjoy the outdoors. However, be prepared for some rain, as the area receives about 101 mm (4.0 in) of precipitation over 12 days. With an average humidity of 75%, it's a humid month, ideal for those who thrive in warm, tropical conditions!

June Temperature in Brussels

In June in Brussels, the average temperature is 18°C (64°F). Maximum temperatures can reach 29°C (85°F), while the minimum can drop as low as 7°C (45°F). This makes Brussels a comfortable destination for travelers looking to enjoy a pleasant climate.

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

The chart illustrates June temperature patterns in Brussels, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Brussels, June typically has an average temperature of 18°C (64°F), with highs reaching up to 29°C (85°F) and lows dropping to around 7°C (45°F).
JanFebMarAprMayJunJulAugSepOctNovDec222232405264717063513729
Data source: Temperature data for Brussels 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 Brussels

In Brussels in June, the precipitation amount is 101 mm (4.0 in) spread over 12 days.

June Precipitation Trends in Brussels

The chart displays monthly precipitation patterns in Brussels, 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 Brussels, June typically receives around 101 mm (4.0 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec4250589295101909666995356
Data source: Precipitation data for June generated using information from the Copernicus Climate Change Service.
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June Humidity in Brussels

In Brussels in June, humidity is 75%. With an average temperature of 18°C (64°F), this humidity feels like a warm blanket enveloping you, making your travels a bit sticky and requiring frequent breaks in the shade to stay comfortable.

June Average Humidity in Brussels

This chart illustrates the average monthly humidity levels in Brussels, 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 Brussels is approximately 75%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%90%87%84%77%75%75%73%78%84%89%87%
Data source: Humidity data for June generated using information from the Copernicus Climate Change Service.

June UV Index in Brussels

In Brussels in June, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Brussels.

Maximum UV Index Levels in Brussels for June

The chart shows the monthly maximum UV Index (UVI) for Brussels 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 Brussels typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2457910997532
Data source: Brussels 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 Brussels Compares to Other Months

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

This table compares monthly weather conditions in Brussels, showing how June’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-5°C (23°F)42 mm (1.6 inches)89%low
February Weather-5°C (22°F)50 mm (2.0 inches)90%moderate
March Weather0°C (32°F)58 mm (2.3 inches)87%moderate
April Weather5°C (41°F)92 mm (3.6 inches)84%high
May Weather11°C (53°F)95 mm (3.8 inches)77%very high
June Weather18°C (64°F)101 mm (4.0 inches)75%very high
July Weather22°C (72°F)90 mm (3.6 inches)74%very high
August Weather21°C (70°F)96 mm (3.8 inches)73%very high
September Weather17°C (63°F)66 mm (2.6 inches)78%high
October Weather11°C (51°F)99 mm (3.9 inches)84%moderate
November Weather3°C (37°F)53 mm (2.1 inches)89%moderate
December Weather-2°C (29°F)56 mm (2.2 inches)87%low

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