nomadseason

October Weather in Brussels, United States

Last updated: June 24, 2025

In Brussels, United States, the average temperature in October hovers around 11°C (51°F). You can expect a range from a chilly -1°C (31°F) to a warm 23°C (74°F). During this period, the region experiences approximately 99 mm (3.9 in) of precipitation over 12 days, and the average humidity sits at a balmy 84%.

October Temperature in Brussels

In October in Brussels, the average temperature is 11°C (51°F). Maximum temperatures can reach 23°C (74°F), while minimums can dip as low as -1°C (31°F). Travelers should be prepared for a range of weather conditions, from mild days to chilly evenings.

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

The chart illustrates October 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, October typically has an average temperature of 11°C (51°F), with highs reaching up to 23°C (74°F) and lows dropping to around -1°C (31°F).
JanFebMarAprMayJunJulAugSepOctNovDec222232405264717063513729
Data source: Temperature data for Brussels generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

October Precipitation in Brussels

In Brussels in October, the total precipitation amount is 99 mm (3.9 in) recorded over a span of 12 days.

October Precipitation Trends in Brussels

The chart displays monthly precipitation patterns in Brussels, with values for each month alongside October’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how October’s conditions compare to those of other months. In Brussels, October typically receives around 99 mm (3.9 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec4250589295101909666995356
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

October Humidity in Brussels

In Brussels in October humidity is 84%. With an average temperature of 11°C (51°F), this humidity feels like a damp chill enveloping you, making it seem much colder than it actually is, and can dampen your spirits while traveling.

October Average Humidity in Brussels

This chart illustrates the average monthly humidity levels in Brussels, with October’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In October, average humidity in Brussels is approximately 84%, 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 October generated using information from the Copernicus Climate Change Service.

October UV Index in Brussels

In Brussels in October, 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 Brussels.

Maximum UV Index Levels in Brussels for October

The chart shows the monthly maximum UV Index (UVI) for Brussels in October, 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 October, the maximum UV index in Brussels typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2457910997532
Data source: Brussels October 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 October 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 October’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 October’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

Compare Brussels's Climate with Cities Worldwide