Last updated: August 21, 2025
In October, Zaventem, Belgium, offers a cool and variable climate, characterized by a maximum temperature of 26°C (79°F), an average of 13°C (55°F), and a chilly minimum dipping to 2°C (35°F). This month sees 77 mm (3.0 in) of precipitation spread across approximately 12 days, contributing to the region's characteristic 89% humidity. As autumn settles in, expect a blend of crisp air and occasional rain, perfect for cozying up indoors or enjoying the vibrant fall foliage.
In Zaventem, Belgium, October welcomes the transition to cooler autumn days, with temperatures marked by a minimum of 2°C (35°F), an average of 13°C (55°F), and a pleasant maximum of 26°C (79°F). This month stands out as a bridge between the lingering warmth of September and the more pronounced chill of November. As days grow shorter and the air crispens, it's an ideal time to enjoy the vibrant fall foliage and pleasant outdoor activities. Overall, October's mild climate invites both locals and visitors to embrace the enchanting atmosphere of autumn in Belgium.
October in Zaventem, Belgium, marks a noticeable uptick in precipitation, with 77 mm (3.0 inches) of rain recorded over 12 days. This increase signifies a transition into the wetter autumn season, following the milder September that saw only 50 mm (2.0 inches). The month stands out not just for its volume but also for its consistency, as it's among the few months that maintain a higher number of rainy days. As the landscape transforms with autumn foliage, October’s rain prepares the ground for the cooler months ahead, setting a precedent for the wetter conditions that typically characterize November and December. Thus, October serves as a pivotal point in Zaventem’s yearly weather pattern, blending the remnants of summer with the embrace of winter's approach.
October in Zaventem, Belgium, marks a notable shift as humidity levels rise to 89%, making it one of the more humid months of the year. This increase follows a combination of relatively stable humidity through the summer months and a gradual dip in August, where levels touched 76%. As autumn fully takes hold, humidity creeps back up, returning to figures similar to those recorded earlier in the year. This trend hints at the chilly embrace of winter approaching, as November and December are characterized by even higher humidity levels, averaging 92%. Thus, October serves as a transitional month, blending the tail end of autumn warmth with the impending dampness of winter.
In October, Zaventem experiences a UV Index of 3, placing it in the moderate exposure category, where it’s advisable to take some precautions if spending extended time outdoors. This marks a slight decrease from the previous month, where the index was 5, and reflects the overall trend of diminishing UV strength as autumn sets in. With a burn time of approximately 30 minutes, residents and visitors should still be mindful of sun exposure, especially during midday hours. As the year progresses, a notable shift can be seen from the very high levels of UV in the summer months, emphasizing the importance of adapting sun safety practices throughout the seasons. For more detailed insights, check the full report at Zaventem UV Index.
UV Risk Categories
As October embraces Zaventem, Belgium, it highlights a vibrant transition in daylight from the peak summer months. After basking in an impressive 411 hours of sunshine in July, the days begin to shorten, leading to a welcoming 241 hours in October. This period continues the trend of diminishing sunlight, yet it still remains considerably brighter than the chilly months ahead, such as November and December, which see just 191 and 143 hours respectively. Interestingly, October offers more sunlight than September's 320 hours, showcasing a unique blend of autumnal beauty and lingering warmth as the seasons shift. As the leaves change color and the air grows crisp, this month's sunlight serves as a gentle reminder of summer's fading glow.
October in Zaventem, Belgium, sees a 31% chance of sunny weather, mirroring the trend of previous late summer months. This percentage reflects a transitional phase as the autumn season sets in, showing a slight drop from the more sunlit days of summer. Compared to the early months of the year, October stands out positively, especially when you consider January's dismal 10% chance. As the month progresses, the warmth of the summer recedes, leading to a more unpredictable weather pattern. Nevertheless, October still holds promise for those seeking bright days amidst the evolving autumn scenery, making it a delightful time for outdoor explorations.
As autumn settles in Zaventem, Belgium, October brings a notable shift in daylight duration, with an average of 10 hours of daylight. This marks a gentle decline from the summer's peak of 16 hours in June, gradually tapering as the days shorten through September’s 12 hours. The trend continues downward, reminiscent of the year's beginnings, where daylight is a mere 8 hours in January. October’s softer light serves as a reminder of nature's rhythm, bridging the vibrant glow of summer with the impending shorter days of winter. The transition encapsulates a time of reflection and preparation for the colder months ahead, inviting residents to embrace the cozy ambiance of fall.
As October sweeps into Zaventem, the air dances with a brisk average wind speed of 4.1 m/s (9 mph), marking a slight uptick from the gentle breezes of late summer. This resurgence in wind sets October apart, as it contrasts with the declining speeds noted from June to September, where winds rarely surpassed 3.2 m/s. Interestingly, the return to autumn ushers in more invigorating gusts, echoing the winds of earlier months like January and May. With a mix of vitality and coolness, October's winds prepare the landscape for the transition into the chillier days of winter, inviting both residents and visitors to embrace the refreshing change.
Weather in Zaventem varies notably across the year, with each month offering distinct climate conditions. This page compares October’s weather to other months in Zaventem, focusing on differences in temperature, rainfall, humidity, and UV levels.
October and January exhibit stark contrasts in weather. In October, the temperatures range from a minimum of 2°C (35°F) to a maximum of 26°C (79°F), with an average of 13°C (55°F). This month also experiences relatively high humidity at 89% and ample precipitation of 77 mm (3.0 in) over approximately 12 days. In contrast, January is much colder, with temperatures ranging from a frigid -6°C (21°F) to a mild 14°C (58°F), resulting in an average of just 4°C (40°F). January sees somewhat lower precipitation at 62 mm (2.4 in) across 11 days, but the humidity remains high at 91%. For more details on January weather, check Zaventem weather in January.
October and February present contrasting weather patterns. In October, temperatures range from a chilly 2°C (35°F) at night to a pleasant max of 26°C (79°F) during the day, with an average of 13°C (55°F). The month sees a fair amount of precipitation, totaling 77 mm (3.0 in) over approximately 12 days, maintaining a high humidity level of 89%. In contrast, February experiences much cooler temperatures, with a minimum of -9°C (16°F) and a maximum of 19°C (66°F), averaging around 6°C (42°F). While February has slightly less precipitation at 67 mm (2.6 in) over the same number of days, it maintains the same humidity level of 89%. For more detailed information, you can check Zaventem weather in February.
October and March present distinctly different weather patterns. In October, temperatures range from a chilly 2°C (35°F) at night to a pleasantly warm 26°C (79°F) during the day, with an average of 13°C (55°F). The month sees around 77 mm (3.0 in) of precipitation spread across approximately 12 days, accompanied by high humidity levels of 89%. In contrast, March experiences colder nights with lows around -7°C (19°F) and a daytime average of 7°C (46°F), peaking at a maximum of 23°C (74°F). While March has slightly lower precipitation at 68 mm (2.7 in) over 13 days, the humidity is slightly less at 87%. For a more detailed look at March weather, check out Zaventem weather in March.
October and April present distinct weather experiences, with October generally offering warmer temperatures compared to April. In October, temperatures range from a minimum of 2°C (35°F) to a maximum of 26°C (79°F), with an average of 13°C (55°F). This month also tends to be wetter, experiencing about 77 mm (3.0 in) of precipitation over 12 days and higher humidity at 89%. In contrast, April features cooler temperatures that can drop to a minimum of -4°C (26°F) and peak at 28°C (82°F), averaging around 10°C (51°F). The month sees less rainfall, with approximately 35 mm (1.4 in) over 7 days and slightly lower humidity at 85%. For a closer look at the weather patterns in April, you can visit Zaventem weather in April.
When comparing the weather of October and May, noticeable differences emerge in both temperature and precipitation patterns. In October, temperatures range from a chilly minimum of 2°C (35°F) to a warm maximum of 26°C (79°F), with an average of 13°C (55°F) and higher humidity at 89%. This month sees around 77 mm (3.0 in) of precipitation over 12 days. In contrast, May experiences slightly milder conditions, with temperatures varying from a minimum of 1°C (34°F) to a maximum of 32°C (89°F), averaging at 14°C (57°F). The precipitation in May is lower, at 57 mm (2.3 in), also spread over 12 days, and the humidity is a tad lower at 82%. For a closer look at May's weather in Zaventem, you can check the detailed forecast here.
October and June present distinct contrasts in weather patterns. In June, temperatures range from a minimum of 8°C (46°F) to a maximum of 33°C (92°F), creating a warm average of 18°C (65°F) that is characteristic of early summer. The month experiences relatively lower precipitation at 64 mm (2.5 in) over about 9 days, along with humidity levels around 82%. In contrast, October sees cooler temperatures, with a minimum of 2°C (35°F) and a maximum of 26°C (79°F), averaging at 13°C (55°F). This month also tends to be wetter, with 77 mm (3.0 in) of precipitation over approximately 12 days and higher humidity at 89%. For more detailed information on this month, visit Zaventem weather in June.
When comparing the weather in October to July, notable differences emerge in temperature and humidity levels. October sees a minimum temperature of 2°C (35°F) and an average of 13°C (55°F), while July experiences a warmer minimum of 8°C (47°F) and an average of 19°C (67°F). The maximum temperature in July can reach up to 39°C (103°F), in stark contrast to October's maximum of 26°C (79°F). Despite July having slightly lower precipitation at 71 mm (2.8 in) over 10 days compared to October's 77 mm (3.0 in) over 12 days, October's higher humidity at 89% compared to July's 80% contributes to a more damp atmosphere. For a closer look at the specifics of July weather, you can check Zaventem weather in July.
When comparing the weather between October and August, notable differences emerge in temperature and humidity. October experiences cooler temperatures, with a minimum of 2°C (35°F) and an average of 13°C (55°F), while August boasts milder conditions, featuring a minimum of 8°C (47°F) and an average of 19°C (67°F). August also sees warmer maximum temperatures, reaching up to 36°C (96°F), compared to October's max of 26°C (79°F). Additionally, October is characterized by higher humidity at 89%, compared to August's 76%, which may make the air feel cooler in the fall. Precipitation levels are similar, with October receiving 77 mm (3.0 in) across 12 days and August slightly less at 74 mm (2.9 in) over 13 days. For a closer look at the weather specifics in August, you can refer to Zaventem weather in August.
In comparing the weather of October to that of September, October presents a cooler climate with average temperatures ranging from a minimum of 2°C (35°F) to a maximum of 26°C (79°F), whereas September experiences slightly warmer temperatures, averaging a minimum of 4°C (39°F) and peaking at 33°C (93°F). Additionally, October sees higher levels of precipitation at 77 mm (3.0 in) across 12 days compared to 50 mm (2.0 in) over 9 days in September. Humidity is notably higher in October, averaging 89%, compared to the 82% recorded in September. For a detailed look at September's weather, you can visit Zaventem weather in September.
October and November exhibit a noticeable shift in weather patterns. In October, temperatures range from a minimum of 2°C (35°F) to a maximum of 26°C (79°F), with an average temperature of 13°C (55°F) and relatively high humidity at 89%. The month experiences 77 mm (3.0 in) of precipitation over 12 days, giving it a somewhat wet character.
Conversely, November sees a drop in temperatures, with a minimum of -3°C (28°F) and an average of 7°C (46°F), peaking at only 19°C (66°F). Although the amount of precipitation decreases to 53 mm (2.1 in) over 10 days, humidity remains high at 92%. This transition reflects the gradual approach of winter, making November significantly cooler and more damp than October. For more detailed weather information, you can visit Zaventem weather in November.
In October, the weather is generally milder with temperatures ranging from a minimum of 2°C (35°F) to a maximum of 26°C (79°F), averaging around 13°C (55°F). During this month, there are about 12 days of precipitation, totaling 77 mm (3.0 in), and the humidity is relatively high at 89%.
In contrast, December sees a significant drop in temperatures, with a minimum of -5°C (23°F) and a maximum of 15°C (60°F), averaging around 6°C (42°F). This month also experiences increased rainfall, with 88 mm (3.5 in) spread over 16 days, and humidity rises slightly to 92%. For more detailed information, you can check Zaventem weather in December.
October in Zaventem brings a notable transition as the warm remnants of summer give way to the crisp embrace of autumn. The average temperature cools down, creating a refreshing atmosphere that contrasts sharply with the heat of previous months, while the increased humidity at 89% often adds a layer of chill to the air. With about 12 days of rain contributing to a total precipitation of 77 mm, October can certainly feel wetter than the drier summer months. As nature dons its vibrant fall colors, this month serves as a bridge to winter, making it an ideal time for cozy gatherings and outdoor explorations. For a deeper dive into what to expect throughout the year, check out Zaventem Climate.