Last updated: August 21, 2025
April in Uccle, Belgium brings a delightful mix of spring warmth and refreshing showers. With temperatures peaking at 27°C (80°F) while hovering around an average of 10°C (50°F), this month invites residents and visitors alike to enjoy the outdoors. However, braving the chilly lows of -4°C (26°F) reminds us it's still early in the season. Rainfall is noticeable, totaling 37 mm (1.5 in) over 8 days, contributing to the 85% humidity that often embraces the region. This dynamic weather pattern creates a picturesque backdrop for blossoming nature in this charming corner of Belgium.
In April, Uccle experiences a delightful transition into spring, with temperatures gradually warming and bringing a breath of fresh air to the region. The minimum temperature hovers around -4°C (26°F), showcasing the tail end of winter, while the average temperature climbs to a pleasant 10°C (50°F). This month is accentuated by an impressive maximum temperature of 27°C (80°F), hinting at the warmer days that lie ahead. The shift from the chill of winter to these milder conditions sets the stage for blooming flora and revitalized outdoor activities, making April a significant turning point in Uccle’s annual climate.
April in Uccle, Belgium, marks a notable shift in precipitation patterns, receiving just 37 mm (1.5 in) of rain across 8 days. This decrease from previous months—where March recorded 70 mm (2.8 in) over 14 days—suggests the arrival of drier conditions as spring takes hold. While January through March saw consistent rainfall, April's lighter showers hint at a transition towards warmer, sunnier days, paving the way for May's expected uptick in precipitation to 58 mm (2.3 in). This trend reflects the interplay between gradual warming and lingering moisture, making April a unique bridge in Uccle's climatic rhythm.
In April, Uccle, Belgium experiences a notable shift in humidity, dropping to 85%, a continuation of the gradual decline observed since the peak winter months. Following January's high of 91% and February's 89%, there is a steady decrease through March, reinforcing a trend towards drier conditions as spring progresses. This April humidity marks the onset of lower levels, paving the way for May's drier atmosphere at 82%. As the seasons transition, humidity levels tend to stabilize, offering residents a refreshing break from the heavier, moisture-laden air experienced in the earlier months of the year.
In April, Uccle, Belgium, experiences a noticeable increase in UV exposure with a UV Index of 5, which falls under the moderate category. As the days grow longer and sunnier, residents should be mindful of their time outdoors; the burn time for fair skin decreases to just 30 minutes. This upward trend reflects the transition into spring, setting the stage for higher UV levels in the coming months. As we move toward May, when the UV Index climbs to 7, it's crucial to adopt sun protection strategies to safeguard skin health. For detailed information on Uccle’s UV Index throughout the year, visit Uccle UV Index.
UV Risk Categories
In Uccle, Belgium, April bursts forth as a beacon of light, boasting an impressive 346 hours of sunshine. This delightful increase marks a significant upward trend from the 266 hours recorded in March, reflecting the region's gradual transition into the warmer months. As spring unfolds, Uccle experiences a steady climb in daylight, with April's sunshine serving as a prelude to the even sunnier days ahead in May and June, which peak at 394 and 398 hours, respectively. This gradual accumulation not only showcases the growing vibrancy of the season but also amplifies the allure of exploring the lush surroundings and basking in the invigorating atmosphere that characterizes this charming Belgian suburb in springtime.
As spring unfolds in Uccle, Belgium, the likelihood of sunny weather takes a promising leap in April, reaching 50%—a significant increase from the 40% recorded in March. This trend marks a notable shift, as the chance of sunshine typically rises as the days grow longer and warmer. It's a delightful contrast to the gloomier winter months, where January presents a mere 11% chance and even February offers only 30%. While May and June see a dip back to 33%, April stands out as the month where sunny days begin to outshine the clouds, inviting residents and visitors alike to embrace the rejuvenating spirit of spring.
As spring unfolds in Uccle, Belgium, April shines brightly with 13 hours of daylight, marking a significant leap from the 11 hours experienced in March. This month not only heralds the joyful arrival of longer days but also sets the stage for the sun-soaked months ahead, with May and June showcasing a remarkable 15 and 16 hours respectively. The trend is clear: as winter gives way to spring, daylight gradually intensifies, culminating in the summer’s peak. Following April's vibrant days, the gradual tapering in daylight hours begins, reminding us of nature's cyclical rhythm. Embrace the beauty of April’s light as it symbolizes renewal and the promise of warmer days to come.
In Uccle, Belgium, April marks a transition in wind patterns, as the average wind speed drops to 3.4 m/s (8 mph), making it one of the calmer months. This decrease follows a breezier March at 4.0 m/s (9 mph), suggesting that spring is settling in with gentler breezes. Interestingly, April's winds are reminiscent of the summer months, wherein winds tend to hover around similar speeds before the onset of warmer weather in May, which sees a return to 4.4 m/s (10 mph). As the year progresses, wind speeds continue to fluctuate, but it’s in April that one can sense the shifting dynamics, with the serenity of the spring air beginning to unfold.
Weather in Uccle varies notably across the year, with each month offering distinct climate conditions. This page compares April’s weather to other months in Uccle, focusing on differences in temperature, rainfall, humidity, and UV levels.
In comparing the weather of April and January, a noticeable difference in temperature and precipitation emerges. April experiences a broader temperature range, with minimums around -4°C (26°F) and maximums reaching 27°C (80°F), leading to an average of 10°C (50°F). In contrast, January is chillier, with a minimum of -7°C (20°F) and a maximum of only 14°C (57°F), resulting in a cooler average of 4°C (39°F). Additionally, January sees more precipitation, averaging 65 mm (2.5 in) across 12 days, while April has less at 37 mm (1.5 in) over 8 days. The humidity remains high in both months, with January at 91% and April slightly lower at 85%. For more detailed information, check this link: Uccle weather in January.
In comparing the weather of April and February, April generally presents milder temperatures, with average highs reaching up to 27°C (80°F), while February's average peaks at only 19°C (66°F). February experiences colder minimum temperatures, dipping to as low as -8°C (17°F), compared to April’s minimum of -4°C (26°F). Additionally, February is wetter, with 69 mm (2.7 in) of precipitation across 12 days, compared to April's 37 mm (1.5 in) over 8 days. The humidity levels are slightly higher in February at 89%, while April's humidity is around 85%. For further details, you can check Uccle weather in February.
April generally experiences milder temperatures compared to March, with average highs reaching 27°C (80°F) versus March's max of 23°C (74°F). The minimum temperatures are also notably warmer, at -4°C (26°F) in April compared to -8°C (17°F) in March. Additionally, April sees less precipitation, totaling 37 mm (1.5 in) across 8 days, while March has higher precipitation levels of 70 mm (2.8 in) over 14 days. Humidity remains relatively similar, with April at 85% and March slightly higher at 87%. For more detailed information on March weather, visit Uccle weather in March.
April and May present a notable contrast in weather patterns. In April, temperatures range from a minimum of -4°C (26°F) to a pleasant average of 10°C (50°F), peaking at a maximum of 27°C (80°F). This month sees moderate precipitation, totaling 37 mm (1.5 in) over approximately 8 days, accompanied by relatively high humidity at 85%. In comparison, May ushers in warmer days with a minimum temperature of 1°C (33°F) and an average of 13°C (57°F), reaching a maximum of 31°C (88°F). Precipitation increases to 58 mm (2.3 in) across 12 days, while humidity slightly decreases to 82%. For further details on specific weather patterns, you can visit Uccle weather in May.
April and June showcase a noticeable transition in weather as spring gives way to summer. In April, temperatures range from a chilly minimum of -4°C (26°F) to a pleasant average of 10°C (50°F), with highs reaching 27°C (80°F). The month experiences about 37 mm (1.5 in) of precipitation over roughly 8 days, contributing to a high humidity level of 85%. In contrast, June sees a warmer climate with minimum temperatures around 7°C (44°F), an average of 18°C (65°F), and maximums soaring to 32°C (91°F). It also experiences increased rainfall, totaling 66 mm (2.6 in) over approximately 9 days, while humidity remains slightly lower at 82%. For more detailed insights, you can check Uccle weather in June.
April and July exhibit noticeably different weather patterns. In April, temperatures vary significantly, with a minimum of -4°C (26°F) and an average temperature of 10°C (50°F), reaching a maximum of 27°C (80°F). The month sees about 37 mm (1.5 in) of precipitation over 8 days, and humidity levels remain relatively high at 85%. In contrast, July experiences milder minimum temperatures of 8°C (46°F) and an average of 19°C (66°F), with maximums soaring up to 39°C (102°F). Precipitation is greater in July, totaling 71 mm (2.8 in) over 11 days, but humidity drops slightly to 80%. For more specific insights into July weather, visit Uccle weather in July.
April and August exhibit notable differences in weather patterns. In April, temperatures can vary from a chilly minimum of -4°C (26°F) to a pleasant average of 10°C (50°F), peaking at a warm 27°C (80°F). The month experiences around 37 mm (1.5 in) of precipitation over approximately 8 days, paired with high humidity levels of 85%. In contrast, August brings milder nights with temperatures ranging from a minimum of 8°C (46°F) to an average of 19°C (66°F), and can soar to a maximum of 36°C (97°F). This summer month sees increased rainfall, totaling 80 mm (3.2 in), spread across about 14 days, and a slightly lower humidity of 76%. These contrasts highlight how April transitions from the coolness of early spring to the warm and occasionally wet conditions typical of late summer. For more specifics on August weather, you can check Uccle weather in August.
April and September present distinct weather patterns, showcasing the transition from spring to fall. In April, the temperatures range from a chilly minimum of -4°C (26°F) to an average of 10°C (50°F) and can peak at 27°C (80°F). The month experiences approximately 37 mm (1.5 in) of precipitation over 8 days, accompanied by a relatively high humidity of 85%. In contrast, September offers a milder experience, with temperatures starting at a minimum of 4°C (39°F), averaging 15°C (60°F), and rising to a maximum of 33°C (91°F). The month sees a slight increase in rainfall with around 55 mm (2.2 in) spread over 9 days and a slightly lower humidity of 82%. For more details on the weather in September, visit Uccle weather in September.
April and October present distinct weather patterns, reflecting the transition between spring and autumn. In April, temperatures range from a chilly minimum of -4°C (26°F) to a comfortable average of 10°C (50°F), with highs reaching up to 27°C (80°F). The month typically sees about 37 mm (1.5 in) of precipitation over approximately 8 days and an average humidity of 85%. In contrast, October experiences a milder temperature range, with a minimum of 1°C (34°F) and an average of 12°C (54°F), peaking at 25°C (77°F). However, it is wetter, accumulating 76 mm (3.0 in) of rainfall over about 13 days and slightly higher humidity at 89%. For a closer look at October weather patterns, you can visit Uccle weather in October.
April and November display notable differences in weather patterns. In April, temperatures range from a chilly minimum of -4°C (26°F) to a pleasant average of 10°C (50°F), peaking at a warm 27°C (80°F). It experiences 8 days of precipitation, totaling 37 mm (1.5 in) with a humidity level of 85%. In contrast, November has a milder temperature range, with a minimum of -2°C (28°F) and an average of 7°C (45°F), reaching a maximum of 18°C (65°F). The month is wetter, receiving 57 mm (2.2 in) of precipitation over 11 days, with a higher humidity of 92%. For more detailed information on November weather, you can refer to Uccle weather in November.
April and December showcase distinctly different weather patterns. In April, temperatures range from a chilly -4°C (26°F) to a pleasant 27°C (80°F), with an average of around 10°C (50°F), making it generally milder than December. The month sees approximately 37 mm (1.5 in) of precipitation over about 8 days, coupled with a humidity level of 85%. In contrast, December experiences colder temperatures, with a minimum of -5°C (24°F) and a maximum of 15°C (59°F), averaging just 5°C (42°F). Precipitation is more significant in December, totaling 93 mm (3.7 in) over 17 days and accompanied by higher humidity at 92%. For more detailed information on December weather, you can check Uccle weather in December.
April in Uccle presents a fascinating transition from the chill of winter to the warmth of spring, marked by fluctuating temperatures that can reach a pleasant 27°C (80°F) while also dipping down to a chilly -4°C (26°F). This month typically experiences higher humidity levels compared to the drier months ahead, and with 37 mm of precipitation spread across approximately 8 days, it serves as a reminder of nature's renewal during this lively season. As April’s weather embraces both warmth and chill, it stands out as a unique blend of extremes, setting the stage for the warmer months to come. For more detailed insights, check out Uccle Climate.