Last updated: August 21, 2025
Uccle, Belgium, experiences a dynamic August filled with warmth and occasional showers. The maximum temperature can soar up to 36°C (97°F), bringing summer heat, while the average temperature rests comfortably at 19°C (66°F), perfect for outdoor activities. In contrast, nights can cool down to a refreshing 8°C (46°F). August is also characterized by 80 mm (3.2 in) of precipitation over 14 days, contributing to a humidity level of 76% that envelops the area. This blend of warm days and variable weather creates a vibrant summer atmosphere ideal for exploring Uccle's charming landscapes.
In Uccle, Belgium, August is a month that embodies the height of summer, with temperatures reaching notable highs. The month typically starts with minimum temperatures around 8°C (46°F), while the average hovers around a pleasant 19°C (66°F). Daytime highs can soar to an impressive 36°C (97°F), showing a significant increase from the earlier summer months. This trend reflects a gradual rise from the cooler spring temperatures, reaching a peak that contrasts sharply with the chilly winter months. As August progresses, residents and visitors alike can revel in warm evenings and sunny days, making it an ideal time to enjoy outdoor activities before the shift to cooler September weather.
In August, Uccle experiences a notable uptick in precipitation, with an average of 80 mm (3.2 in) recorded over 14 days—the heaviest rainfall of the year. This increase marks a significant shift from the drier spells seen in the previous months, such as April and June, where rainfall dipped to 37 mm and 66 mm, respectively. The trend suggests that as summer transitions into autumn, Uccle's weather pattern becomes more robust, with the afternoons frequently punctuated by summer storms and showers. This surge in rainfall not only nourishes the region's lush landscapes but also heralds the start of a wetter season ahead, setting the stage for the heavier downpours characteristic of the autumn months.
August in Uccle, Belgium, marks a noticeable dip in humidity, with levels falling to 76%, the lowest recorded for the year. This decrease follows a gradual trend from the higher humidity seen in the earlier months, where January starts at a hefty 91%, tapering down through the spring and summer. After July's 80%, August ushers in a breath of fresh air, signaling a shift that leads into the more humid months of autumn. As September approaches, humidity creeps back up to 82%, reflecting a seasonal cycle that hints at the return of the moist conditions typical of fall, contrasting sharply with the drier August days. Overall, this monthly fluctuation illustrates Uccle's dynamic climate, where summer warmth gives way to the coming embrace of autumnal humidity.
In August, Uccle, Belgium, experiences a high UV Index of 7, indicating a significant increase in solar intensity as summer reaches its peak. With a burn time of just 25 minutes, it’s essential for residents and visitors to be mindful of sun exposure to prevent skin damage. This month reflects a slight dip from the very high levels seen in July, yet the need for sun protection remains critical. Observing a seasonal trend, the UV Index rises steadily from the low values in winter to the more intense summer months, with August straddling the line between high and moderate exposure. For additional insights on the UV levels throughout the year, visit the Uccle UV Index.
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In Uccle, Belgium, August continues to bask in the warmth of summer, offering a delightful 379 hours of sunshine. This month stands out as a vibrant culmination of the sun-drenched days that began in April, when daylight hours began their steady ascent. The trend reveals a peak during the summer months, with July reaching an impressive 406 hours. As the seasons shift towards autumn, sunshine hours begin to taper off, with September witnessing a decline to 319 hours. This gradual decrease signals the impending cooler months, as the sun retreats and is replaced by the cozy ambience of autumn, making August a treasured final flourish of summer light in Uccle.
In Uccle, Belgium, the likelihood of sunny weather shows a distinct seasonal pattern, peaking in the spring months before tapering off in late summer. While August experiences a modest 29% chance of sunshine, it represents a decline from the more promising conditions seen in April, which boasts a 50% likelihood. This downward trend continues through July, just slightly higher at 34%. As autumn approaches, the sun's presence further diminishes, with September and October seeing 36% and 32% chances, respectively. Overall, while August may not be the sunniest month, it still offers a fair share of clear days for those seeking summer warmth in Uccle.
In Uccle, Belgium, the month of August brings a delightful transition in daylight duration, offering around 14 hours of sunlight each day. This marks a slight decrease from the sun-soaked days of July, which enjoyed the peak with 15 hours of daylight. As summer reaches its zenith, August serves as a gentle reminder of the approaching fall, as daylight gradually tapers off after the intensity of longer days in late spring and early summer. The consistent increase from a mere 8 hours in January to 14 hours in August illustrates the remarkable shift in seasonal light, reflecting the vibrant energy of summer before the shorter days of autumn settle in.
In Uccle, Belgium, the winds of August are gentle, averaging only 3.4 m/s (8 mph), which is consistent with the tranquil breezes of the preceding summer months. Following a slight dip in June to 2.8 m/s, the wind speeds gradually increase through July before plateauing in August. This pattern reflects a seasonal shift, as the wind picks up slightly in the autumn months, reaching 4.3 m/s in October. Overall, the data suggests that while August brings a serene wind experience, the transition into fall hints at a return to brisker, more invigorating gusts that characterize Belgium's crisp autumn days.
Weather in Uccle varies notably across the year, with each month offering distinct climate conditions. This page compares August’s weather to other months in Uccle, focusing on differences in temperature, rainfall, humidity, and UV levels.
August and January present striking contrasts in weather conditions. August is characterized by a wide temperature range, with a minimum of 8°C (46°F), an average of 19°C (66°F), and a maximum soaring up to 36°C (97°F). The month experiences a high level of humidity at 76% and sees about 80 mm (3.2 in) of precipitation over 14 days. In stark contrast, January is significantly colder, with temperatures ranging from a minimum of -7°C (20°F) to a maximum of 14°C (57°F), resulting in an average of just 4°C (39°F). The month has slightly lower precipitation levels at 65 mm (2.5 in), spread over 12 days, but features an even higher humidity at 91%. For more detailed information, you can visit Uccle weather in January.
August and February present contrasting weather patterns, showcasing significant differences in temperature and humidity. In August, the minimum temperature hovers around 8°C (46°F), rising to an average of 19°C (66°F) and occasionally peaking at 36°C (97°F), making it the warmest month of the year. The month also experiences about 80 mm (3.2 in) of precipitation over 14 days, coupled with a humidity level of 76%. In stark contrast, February sees much colder conditions, with temperatures ranging from a minimum of -8°C (17°F) to a maximum of 19°C (66°F), resulting in a much lower average temperature of 5°C (42°F). February also has a slight decrease in precipitation, totaling 69 mm (2.7 in) over approximately 12 days, and features higher humidity levels at 89%. For those interested in a deeper dive into February weather specifics, here’s a useful link: Uccle weather in February.
The weather in August contrasts significantly with that of March. August features warmer temperatures, with a minimum of 8°C (46°F) and an average of 19°C (66°F), peaking at a scorching 36°C (97°F). In contrast, March experiences much cooler conditions, starting at a minimum of -8°C (17°F) and averaging around 7°C (45°F), with highs reaching just 23°C (74°F). While both months receive comparable precipitation, with August seeing 80 mm (3.2 in) and March 70 mm (2.8 in), the humidity in March (87%) is notably higher than in August (76%). For more detailed information on March weather, you can visit Uccle weather in March.
When comparing the weather in August and April, notable differences emerge. In August, temperatures can range from a chilly 8°C (46°F) at their lowest to a scorching high of 36°C (97°F), with an average temperature around 19°C (66°F). Conversely, April experiences a much cooler climate, with temperatures ranging from a minimum of -4°C (26°F) to a maximum of 27°C (80°F) and an average of 10°C (50°F). While August sees higher precipitation levels of 80 mm (3.2 in) across approximately 14 days, April has less rainfall, totaling 37 mm (1.5 in) over about 8 days. Additionally, humidity levels are slightly higher in April at 85% compared to August’s 76%. For more information, you can check Uccle weather in April.
When comparing the weather in August and May, notable differences emerge. August experiences a higher average temperature of 19°C (66°F) with maximums reaching up to 36°C (97°F), while May has a cooler average of 13°C (57°F) and maximums of 31°C (88°F). Precipitation is slightly more frequent in August, with rain on 14 days and a total of 80 mm (3.2 in), compared to May's 12 days of rain and 58 mm (2.3 in). Although August has a lower humidity level at 76%, May's humidity is at a higher 82%, making the latter feel a bit more muggy overall. For a detailed examination of May's conditions, you can check out Uccle weather in May.
August generally experiences warmer temperatures compared to June, with a minimum of 8°C (46°F) and a maximum of 36°C (97°F) in August, contrasted with June’s minimum of 7°C (44°F) and maximum of 32°C (91°F). The average temperature in August is slightly higher at 19°C (66°F) compared to June's 18°C (65°F). However, August also sees more precipitation, averaging 80 mm (3.2 in) over 14 days, while June has 66 mm (2.6 in) over just 9 days. Humidity levels remain high in both months, with August at 76% and June at 82%. For more detailed information on June weather, visit Uccle weather in June.
In comparing the weather of August to that of July, both months exhibit similar minimum and average temperatures, with lows around 8°C (46°F) and averages at 19°C (66°F). However, July sees slightly higher maximum temperatures, reaching up to 39°C (102°F), compared to August's peak of 36°C (97°F). Regarding precipitation, August experiences more rainfall with 80 mm (3.2 in) over 14 days, while July has 71 mm (2.8 in) over 11 days. Humidity levels remain comparable, with August at 76% and July slightly higher at 80%. For more details, check the link: Uccle weather in July.
In comparing the weather of August and September, it is evident that September experiences cooler temperatures, with an average of 15°C (60°F) compared to August’s warmer 19°C (66°F). While August can witness maximum temperatures soaring up to 36°C (97°F), September's peak is slightly lower at 33°C (91°F). Precipitation also decreases from 80 mm (3.2 in) over 14 days in August to 55 mm (2.2 in) across just 9 days in September, indicating a trend towards drier conditions. However, September tends to be more humid, with levels rising to 82% compared to August's 76%. For a more detailed overview, check out Uccle weather in September.
August and October present quite contrasting weather patterns. In August, temperatures range from a mild minimum of 8°C (46°F) to a scorching maximum of 36°C (97°F), with an average of 19°C (66°F). The month sees moderate rainfall of 80 mm (3.2 inches) over approximately 14 days, paired with high humidity levels at 76%. In contrast, October brings cooler conditions, with temperatures dipping to a minimum of 1°C (34°F) and peaking at a comfortable 25°C (77°F), resulting in an average of 12°C (54°F). Rainfall remains similar at 76 mm (3.0 inches) but occurs over just 13 days, and humidity increases to 89%, creating a distinctly different atmosphere. For more details, you can reference Uccle weather in October.
August and November present contrasting weather patterns, reflecting a significant transition between summer and autumn. In August, temperatures range from a minimum of 8°C (46°F) to a scorching maximum of 36°C (97°F), with an average temperature of 19°C (66°F). The month experiences considerable humidity at 76%, along with 80 mm (3.2 in) of precipitation over 14 days. In contrast, November sees much cooler temperatures, with a minimum of -2°C (28°F), an average of 7°C (45°F), and a maximum of 18°C (65°F). Despite having less rainfall at 57 mm (2.2 in) over 11 days, the humidity rises to 92%. This stark difference showcases August's warmth and moisture compared to November's chill and dampness, marking a shift in seasonal weather patterns. For more detailed information, you can check Uccle weather in November.
August and December present a stark contrast in weather patterns. In August, temperatures range from a mild 19°C (66°F) on average to a scorching maximum of 36°C (97°F), with frequent precipitation totaling 80 mm (3.2 in) over about 14 days. The humidity in this summer month sits at a comfortable 76%. In contrast, December introduces a much cooler climate, where average temperatures drop to 5°C (42°F), with minimums plunging as low as -5°C (24°F) and maximums capping at 15°C (59°F). This winter month sees a slightly higher precipitation of 93 mm (3.7 in) over 17 days, accompanied by increased humidity at 92%. For a more detailed look at seasonal trends, check Uccle weather in December.
August in Uccle stands out as a month of contrasts, showcasing warmth and humidity that set it apart from the cooler months preceding it. With maximum temperatures soaring to a sizzling 36°C (97°F), it invites both sun-seekers and nature enthusiasts to revel in its heat. However, the average temperature rests at a more comfortable 19°C (66°F), making it an ideal time for outdoor activities, albeit with a backdrop of occasional rain, as the month records about 80 mm (3.2 in) of precipitation over 14 days. The humidity typically hovers around 76%, adding a tropical flair that can make the warm days feel even warmer. As summer gradually transitions into autumn, August offers a tantalizing glimpse of the ebb and flow of Uccle's climatic charm. For more insights on the local climate, visit Uccle Climate.