Last updated: August 21, 2025
October in Brussels, Belgium offers a dynamic blend of crisp autumn air and vibrant foliage. With a maximum temperature reaching 25°C (77°F), days can still feel pleasantly warm, while the average settles around a cool 12°C (54°F). As evenings draw in, temperatures dip to a chilly 1°C (34°F), inviting cozy gatherings. Rainfall is frequent, with about 76 mm (3.0 in) spread across 13 days, contributing to the rich humidity at 89%. This month showcases the charm of Brussels as it transitions into the embrace of late autumn.
In October, Brussels experiences a harmonious transition into autumn, with temperatures reflecting the season's mild charm. The minimum temperature hovers around 1°C (34°F), while the average rises to a comfortable 12°C (54°F). As the month progresses, daytime warmth peaks at a delightful 25°C (77°F), showcasing the city's ability to blend cooler mornings with pleasantly mild afternoons. This trend marks a notable drop from the summer heat, yet remains inviting for strolls through the city’s picturesque parks and historical alleys. With vibrant fall foliage setting the scene, October in Brussels offers a cozy yet invigorating atmosphere perfect for exploration.
In October, Brussels experiences a noticeable uptick in precipitation, with an average of 76 mm (3.0 in) spread over 13 days. This marks a significant increase compared to the preceding month of September, which recorded only 55 mm over 9 days. The rise in rainfall reflects a shift into the wetter autumn season, as October becomes one of the rainier months—a trend that continues into November and December. This increase in precipitation not only enhances the city's picturesque autumn scenery but also prepares the ground for the chilling winter months ahead. As temperatures drop, the lush greenery of Brussels is sustained by this ample moisture, making October a pivotal month in the transition from the mildness of early fall to the briskness of late autumn.
In October, Brussels experiences a noticeable uptick in humidity, reaching 89%, which marks an increase from the drier months of summer. This rise is part of a broader trend as the city transitions into the wet and cold season, with humidity gradually climbing from the more comfortable 76% in August. As temperatures begin to drop, the air becomes heavier, reminiscent of the peak winter months when humidity levels soar to 92%. This cyclical pattern highlights the city's damp climate, where each autumn sets the stage for the wetter conditions typical of the winter months ahead, making October a pivotal point in Brussels' humidity journey.
As October rolls in, Brussels experiences a gentle decline in UV intensity, with the UV Index averaging around 4, categorizing it as moderate. This means that while sun exposure can be enjoyable, it's wise to be cautious, especially as the burn time decreases to approximately 30 minutes. Compared to the higher indices of summer, where values soared to 8, this is a refreshing shift, allowing residents and visitors to enjoy the crisp autumn air with a little less concern for sunburn. As the month progresses, keep an eye on the UV Index trends for optimal sun safety practices. For more detailed information, visit Brussels UV Index.
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As October graces Brussels with its presence, the city enjoys a notable 240 hours of sunshine, a delightful extension of the vibrant summer. This month reflects a gentle decline from the summer peak of over 400 hours in July, yet still offers a generous amount of sun compared to the dreariness of November and December. The transition into autumn is marked by a significant drop from September’s 319 hours. October's sunshine serves as a warm embrace before the winter chill sets in, appealing to locals and visitors alike to relish the splendor of fall while it lasts.
As October rolls in, Brussels experiences a modest 32% chance of sunny weather, making it one of the more favorable months for sunshine in the autumn season. While this percentage dips slightly compared to the peak of spring in April, it remains relatively stable compared to the previous summer months, indicating that while the skies may often be overcast, there are still ample opportunities for delightful sunny spells. This slight decrease in sun likelihood as the year winds down reflects the transitioning seasons, with the city preparing for winter's gloom. Overall, although October may not boast the sunniest days compared to earlier months, it still offers a pleasant mix of colorful foliage and occasional sunbreaks, enchanting residents and visitors alike.
As October unfolds in Brussels, residents and visitors experience a noticeable shift in daylight, with the sun gracing the city for a modest 10 hours each day. This decline follows the vibrant 15 hours of daylight in the previous month, heralding the onset of autumn. The days steadily shorten as the city transitions from the long, sunlit days of summer to the crisp, cooler evenings of fall. While October offers a gentler light compared to June's brilliant glow, it still retains a warm ambiance reminiscent of the colorful foliage that adorns the streets. As the month progresses, the anticipation of November's even shorter days looms, marking a seasonal rhythm that has danced through Brussels for generations.
As October arrives in Brussels, the wind begins to pick up, with average speeds recorded at 4.3 m/s (10 mph), marking a notable increase compared to the gentler breezes of summer. After experiencing the calmest winds in June at just 2.8 m/s (6 mph), October revitalizes the air, reminiscent of spring's playful gusts in May. This month's wind speeds align closely with the brisk winds of January and February, signaling a seasonal transition and inviting both locals and visitors to enjoy the crisp, refreshing air. The shift from the milder autumnal breezes observed in September, which averaged 3.0 m/s (7 mph), not only enhances the enchanting ambiance of Brussels but also heralds the impending changes of winter, creating a dynamic and vibrant atmosphere throughout the city.
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.
October and January present contrasting weather conditions. In October, temperatures range from a mild 1°C (34°F) at night to a comfortable maximum of 25°C (77°F) during the day, with an average of 12°C (54°F). This month tends to be relatively wet, recording about 76 mm (3.0 in) of precipitation over 13 days, accompanied by high humidity at 89%. In contrast, January experiences colder temperatures, with nightly lows dropping to -7°C (20°F) and daytime highs reaching only 14°C (57°F), resulting in an average of 4°C (39°F). Although January sees slightly less precipitation at 65 mm (2.5 in) over 12 days, humidity remains high at 91%. For more details on the January weather, visit Brussels weather in January.
When comparing the weather in October and February, we see notable differences in temperature and precipitation. October typically experiences a wider range of temperatures, with minimums around 1°C (34°F) and maximums reaching up to 25°C (77°F), while February sees colder minimums of -8°C (17°F) and maximums of 19°C (66°F). Both months have similar humidity levels at 89%, creating a damp atmosphere. Precipitation is fairly consistent between the two months, with October receiving 76 mm (3.0 in) over 13 days and February slightly less at 69 mm (2.7 in) over 12 days. For more specific information, you can check out Brussels weather in February.
When comparing October and March weather, October tends to be milder with average temperatures around 12°C (54°F), while March experiences cooler temperatures averaging 7°C (45°F). In October, the minimum temperature can drop to 1°C (34°F) and can reach a maximum of 25°C (77°F), whereas March can see temperatures as low as -8°C (17°F) and peak at 23°C (74°F). Both months receive similar amounts of precipitation, with October at 76 mm (3.0 in) over 13 days and March slightly lower at 70 mm (2.8 in) over 14 days. Humidity levels are also comparable, with October at 89% and March at 87%. For more detailed insights, you can explore Brussels weather in March.
In comparing the weather between October and April, October tends to be milder with an average temperature of 12°C (54°F), while April has a slightly lower average of 10°C (50°F). Interestingly, October exhibits a wider temperature range, with highs reaching up to 25°C (77°F), compared to April's peak of 27°C (80°F). Precipitation is more frequent in October, occurring over 13 days with a total of 76 mm (3.0 in), whereas April experiences less rain, totaling 37 mm (1.5 in) over just 8 days. Both months have similar humidity levels, with October at 89% and April at 85%. For more specific insights on April's weather, you can check this link: Brussels weather in April.
In October, temperatures begin to cool significantly, with averages around 12°C (54°F) and a maximum of 25°C (77°F), compared to the warmer May temperatures, which range from a minimum of 1°C (33°F) to a pleasant maximum of 31°C (88°F). October experiences higher precipitation levels, with 76 mm (3.0 in) falling over 13 days, whereas May has slightly less rain at 58 mm (2.3 in) over 12 days, contributing to a more humid atmosphere in October with humidity levels at 89%, compared to 82% in May. For a more detailed overview, you can check Brussels weather in May.
October weather in Brussels is characterized by cooler temperatures, with a minimum of 1°C (34°F) and an average of 12°C (54°F), peaking at a mild 25°C (77°F). The month sees more precipitation, totaling 76 mm (3.0 in) over about 13 days, alongside higher humidity levels at 89%. In contrast, June experiences warmer temperatures, ranging from a minimum of 7°C (44°F) to a maximum of 32°C (91°F), with an average of 18°C (65°F). Although June has slightly less precipitation at 66 mm (2.6 in) over 9 days, it features lower humidity at 82%. For more on June's climate, check out Brussels weather in June.
October weather is generally cooler and more humid than July, with temperatures ranging from a minimum of 1°C (34°F) to a maximum of 25°C (77°F), and an average of 12°C (54°F). In contrast, July features warmer temperatures, with lows of 8°C (46°F) and highs reaching up to 39°C (102°F), averaging around 19°C (66°F). Both months experience significant rainfall, with October receiving about 76 mm (3.0 in) over 13 days compared to July's 71 mm (2.8 in) over 11 days. The humidity is also higher in October at 89%, whereas July sees a slightly lower humidity level of 80%. For a detailed look at July weather, you can visit Brussels weather in July.
October and August present two contrasting months in terms of weather. In October, temperatures range from a chilly minimum of 1°C (34°F) to a milder high of 25°C (77°F), with an average of 12°C (54°F). The month sees a significant amount of precipitation at 76 mm (3.0 in) over 13 days, and high humidity at 89%. In contrast, August offers warmer temperatures with a minimum of 8°C (46°F) and a maximum reaching up to 36°C (97°F), averaging around 19°C (66°F). The precipitation in August is slightly higher at 80 mm (3.2 in) across 14 days, but with lower humidity at 76%. For a closer look at weather trends, check Brussels weather in August.
In comparison to September, October experiences cooler temperatures, with a minimum of 1°C (34°F) compared to September's minimum of 4°C (39°F). The average temperature in October drops to 12°C (54°F), while September enjoys a warmer average of 15°C (60°F). Additionally, October sees a significant decrease in maximum temperatures, reaching only 25°C (77°F) compared to September's peak of 33°C (91°F). Precipitation also increases in October, with 76 mm (3.0 in) falling over 13 days, compared to September's 55 mm (2.2 in) over 9 days. Humidity levels are also higher in October, averaging 89% compared to 82% in September. For more details, you can explore Brussels weather in September.
October and November showcase a transition in weather, with October presenting a more temperate climate. In October, temperatures range from a minimum of 1°C (34°F) to a maximum of 25°C (77°F), averaging around 12°C (54°F) and accompanied by 76 mm (3.0 in) of precipitation over 13 days. Humidity is relatively high at 89%. Conversely, November experiences cooler conditions, with temperatures dipping to a minimum of -2°C (28°F) and averaging 7°C (45°F), peaking at 18°C (65°F). The month is drier, with only 57 mm (2.2 in) of precipitation over 11 days, although humidity slightly increases to 92%. For more detailed insights, you can check Brussels weather in November.
In October, the weather features a mild temperature range with a minimum of 1°C (34°F) and a maximum of 25°C (77°F), resulting in an average of 12°C (54°F). The month experiences 76 mm (3.0 in) of precipitation over 13 days, coupled with a humidity level of 89%. In contrast, December brings a notable drop in temperatures, with a minimum of -5°C (24°F) and a maximum of 15°C (59°F), leading to a cooler average of 5°C (42°F). Precipitation increases slightly to 93 mm (3.7 in) over 17 days, and humidity remains high at 92%. For more detailed information about December's weather, check out Brussels weather in December.
As October unfolds in Brussels, the weather presents a unique blend that sets it apart from the summer months. With temperatures dipping to an average of 12°C (54°F), it marks a significant transition towards cooler days. While you can still experience a warm, sunny day with highs reaching 25°C (77°F), the brisk mornings often remind you that winter is on the horizon. Rain becomes more frequent, with about 13 days of precipitation contributing to a moist atmosphere and a high humidity level of 89%. This month invites you to enjoy the beauty of autumn foliage while anticipating the brisk chill of November. For a deeper understanding of what to expect throughout the year, explore the comprehensive details on the Brussels Climate.