Last updated: August 21, 2025
April in Zaventem, Belgium presents a dynamic weather narrative, with temperatures ranging from a crisp -4°C (26°F) at night to a balmy 28°C (82°F) during the day. The average temperature settles at a mild 10°C (51°F), making the month an intriguing time for locals and visitors alike. However, keep an umbrella handy, as 35 mm (1.4 in) of rainfall graces the area over 7 days throughout the month. With a humidity level hovering around 85%, the air can feel quite saturated, adding a touch of spring's unpredictability to the vibrant Belgian landscape.
In April, Zaventem, Belgium, begins to shake off the chill of winter, with temperatures steadily rising as spring takes hold. The average temperature reaches a comfortable 10°C (51°F), while daytime highs can soar to a pleasant 28°C (82°F), creating the perfect backdrop for outdoor activities and blooming landscapes. Nights are still cool, dipping to a minimum of -4°C (26°F), but the overall trend clearly indicates a transition toward warmer months ahead. This shift not only brings a welcome warmth but also a vibrant atmosphere, making April a delightful time to explore the beauty of Belgium as nature awakens.
April in Zaventem, Belgium, presents a noticeable dip in precipitation, with only 35 mm (1.4 in) recorded over just 7 days. This contrasts sharply with the preceding months; for instance, March saw nearly double the rainfall at 68 mm (2.7 in) across 13 days. It appears that the arrival of spring brings drier spells, allowing for more sunshine and milder weather as winter recedes. As the year progresses, precipitation levels will gradually increase again, with May expected to bring 57 mm (2.3 in), hinting at a return to more typical early summer showers. This pattern highlights a delicate balance in Zaventem’s climate, where the transition from winter to spring results in a brief yet refreshing reprieve from consistent rainfall.
April in Zaventem, Belgium, marks a subtle yet noticeable decline in humidity levels, with an average of 85%. This month's humidity reflects a gradual decrease from the 91% recorded in January, showcasing the transition from winter's damp chill toward the drier embrace of spring. March's 87% sets the stage for this shift, signaling the onset of more temperate conditions. As the year progresses, humidity continues to decrease, reaching its peak summer lows of 80% in July. This trend highlights April as a pivotal point, where the lingering moisture from winter begins to give way to the fresher, more vibrant atmosphere of spring, enticing residents and visitors alike to enjoy Zaventem's blossoming beauty.
As April arrives in Zaventem, Belgium, the UV Index climbs to 5, marking a shift into the moderate exposure category where sun safety becomes increasingly important. This trend follows the gradual increase from January's low UV Index of 1 and February's 2, highlighting the transition into brighter days. With a burn time of just 30 minutes, it's essential to stay protected during outdoor activities. As the month progresses, the UV Index will continue to rise, peaking in the summer months. Keep track of the Zaventem UV Index to be prepared as the sun becomes more intense throughout the year: Zaventem UV Index.
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April in Zaventem, Belgium, shines brightly with 348 hours of sunshine, marking a joyful peak as the days get longer and warmer. This increase is part of a remarkable upward trend that begins in the chilly month of January with only 120 hours but accelerates sharply through the spring. By April, the sun's generous rays have nearly tripled since January, setting the stage for an even sunnier May, which records 397 hours. The progression is both uplifting and energetic, reflecting the vibrant change of seasons as nature awakens from winter’s embrace, promising delightful outdoor experiences and a renewed appreciation for sunny days.
As spring unfolds in Zaventem, Belgium, the likelihood of sunny weather increases markedly in April, reaching 47%—the highest for the month compared to the previous ones. This upward trend from the colder months is particularly encouraging, as January sees a mere 10%, which gradually rises through February and March. The sunny days of April signal a refreshing shift, offering a taste of the vibrant life that comes with springtime. However, as the season progresses into May, the chances of sunshine dip slightly to 33%, suggesting an intriguing ebb and flow of sunny days as the year unfolds. This dynamic weather pattern invites residents and visitors alike to embrace the blooming landscapes and longer days that April promises.
As winter fades and spring takes hold in Zaventem, April brings a delightful increase in daylight, with the sun gracing the skies for 13 hours each day. This marks a notable rise from 11 hours in March and sets the stage for the vibrant days of summer. Following the pattern, daylight will peak in June, reaching 16 hours before gradually decreasing as the year progresses. The transition from shorter to longer days is a hallmark of the season, inviting residents to embrace outdoor activities and bask in the rejuvenating warmth of springtime. The steady growth of daylight underscores the changing seasons, offering a refreshing reminder of nature’s cycles as we approach the height of summer.
In Zaventem, Belgium, April ushers in a subtle change in the wind, with an average speed of 3.3 m/s (7 mph)—the lowest for the year. This gentle breeze contrasts with the sharper gusts experienced in the preceding months, particularly January through March, where winds averaged between 3.8 m/s to 4.3 m/s. Interestingly, as the spring unfolds, wind speeds begin to decline, hinting at a more tranquil weather pattern that continues into June. However, April's calmer winds set a serene backdrop for the blooming landscape, inviting residents and visitors alike to embrace the softer side of the Belgian spring. Following April, the winds begin to pick up again in May and October, indicating a transitional phase as the seasons change.
Weather in Zaventem varies notably across the year, with each month offering distinct climate conditions. This page compares April’s weather to other months in Zaventem, focusing on differences in temperature, rainfall, humidity, and UV levels.
In comparing the weather between January and April, a notable shift occurs as the seasons transition. In January, temperatures range from a chilly minimum of -6°C (21°F) to a maximum of 14°C (58°F), with an average of only 4°C (40°F). This month also sees higher precipitation levels, totaling 62 mm (2.4 in) over about 11 days, coupled with a humidity of 91%. In contrast, April experiences a more moderate climate with temperatures fluctuating from a minimum of -4°C (26°F) to a pleasant maximum of 28°C (82°F) and an average of 10°C (51°F). Although April has slightly lower precipitation at 35 mm (1.4 in) over 7 days, its humidity of 85% feels lighter compared to the dampness of January. For further details, you can check out Zaventem weather in January.
April generally offers milder temperatures compared to February, with average highs reaching up to 28°C (82°F) while February peaks at a much cooler 19°C (66°F). The minimum temperatures are also higher in April, with a low of -4°C (26°F) compared to February's chilly -9°C (16°F). In addition to warmer conditions, April sees less precipitation, totaling 35 mm (1.4 in) over 7 days, whereas February experiences more rainfall at 67 mm (2.6 in) across 12 days. However, humidity remains fairly high in both months, with April at 85% and February slightly higher at 89%. For more detailed weather information, check Zaventem weather in February.
April's weather shows a noticeable warming trend compared to March, with average temperatures rising from 7°C (46°F) in March to a more pleasant 10°C (51°F) in April. While both months experience cold nighttime temperatures, April's minimum of -4°C (26°F) is milder than March's low of -7°C (19°F). However, March sees more precipitation, totaling 68 mm (2.7 in) over 13 days, compared to April's 35 mm (1.4 in) over just 7 days, indicating a drier month ahead. Humidity levels are relatively similar, with April at 85% and March slightly higher at 87%. For more detailed information on March weather, you can check Zaventem weather in March.
April and May display a significant shift in weather patterns, with May generally being warmer and wetter. In April, temperatures range from a chilly minimum of -4°C (26°F) to a mild maximum of 28°C (82°F), with an average of 10°C (51°F). The month experiences 35 mm (1.4 in) of precipitation over 7 days, coupled with high humidity levels at 85%. In contrast, May brings a more pleasant climate, featuring temperatures that range from a minimum of 1°C (34°F) to a maximum of 32°C (89°F), with an average of 14°C (57°F). Despite this increase in warmth, May sees more rainfall, totaling 57 mm (2.3 in) over 12 days, and a slightly lower humidity level at 82%. For more detailed insights, you can check the forecast here: Zaventem weather in May.
April weather is characterized by a wider temperature range, with minimums dropping as low as -4°C (26°F) and maximums reaching up to 28°C (82°F). This month experiences an average temperature of 10°C (51°F) and sees about 35 mm (1.4 in) of precipitation over approximately 7 days, accompanied by relatively high humidity at 85%. In contrast, June offers milder conditions, with minimum temperatures rising to 8°C (46°F) and daytime highs peaking at 33°C (92°F). The average temperature in June is 18°C (65°F), and this month typically receives more rainfall, totaling 64 mm (2.5 in) across 9 days, while humidity remains slightly lower at 82%. For a detailed look at the weather conditions in June, you can visit Zaventem weather in June.
April and July present contrasting weather patterns. In April, temperatures range from a chilly minimum of -4°C (26°F) to a pleasant average of 10°C (51°F), occasionally reaching up to 28°C (82°F). The month experiences about 35 mm (1.4 in) of rain over approximately 7 days, accompanied by high humidity levels of 85%. In contrast, July sees a significant increase in warmth, with minimum temperatures around 8°C (47°F) and averages climbing to 19°C (67°F), peaking at a sweltering 39°C (103°F). Rainfall also doubles, totaling 71 mm (2.8 in) across about 10 days, while humidity decreases slightly to 80%. For those interested in specifics, further details can be found at Zaventem weather in July.
April and August showcase distinct weather patterns that highlight the transition from spring to summer. In April, temperatures can dip as low as -4°C (26°F) but typically hover around a comfortable average of 10°C (51°F), with a maximum of 28°C (82°F). This month sees a fair amount of precipitation, totaling 35 mm (1.4 in) over about 7 days and maintains a high humidity level of 85%. In contrast, August experiences milder minimum temperatures of 8°C (47°F) and a warmer average of 19°C (67°F), with maximums soaring to 36°C (96°F). However, August is also wetter, with 74 mm (2.9 in) of rain over 13 days, and a slightly lower humidity of 76%. For more information on the weather during this month, check out Zaventem weather in August.
April and September offer distinct weather experiences, showcasing the transition from spring to autumn. In April, temperatures can swing from a chilly low of -4°C (26°F) to a pleasant average of 10°C (51°F), peaking at a warm 28°C (82°F). The month sees around 35 mm (1.4 in) of precipitation over approximately 7 days, with humidity levels at a high 85%. In contrast, September features a milder range, with minimum temperatures starting at 4°C (39°F) and averaging a comfortable 16°C (60°F), while highs can reach up to 33°C (93°F). This month experiences more rainfall, totaling about 50 mm (2.0 in) over 9 days, but with slightly lower humidity at 82%. For more specific insights, check Zaventem weather in September.
In comparing the weather of April and October, April typically showcases a broader temperature range, with minimums dropping as low as -4°C (26°F) and maximums peaking at 28°C (82°F). The average temperature in April hovers around 10°C (51°F), while the month experiences relatively moderate precipitation of 35 mm (1.4 in) over 7 days and a humidity level of 85%.
In contrast, October presents a milder temperature range, with minimums at 2°C (35°F) and maximums reaching 26°C (79°F). The average temperature increases slightly to 13°C (55°F). However, October is wetter, with total precipitation of 77 mm (3.0 in) spread across 12 days, accompanied by a slightly higher humidity of 89%. For more details, you can check Zaventem weather in October.
April and November exhibit distinct weather patterns, with noticeable differences in temperature and precipitation. In April, temperatures range from a minimum of -4°C (26°F) to a maximum of 28°C (82°F), providing a relatively mild average of 10°C (51°F). The month sees approximately 35 mm (1.4 in) of precipitation over about 7 days, with humidity at 85%. In contrast, November's temperatures are cooler, ranging from -3°C (28°F) to a maximum of 19°C (66°F), resulting in a lower average of 7°C (46°F). This month experiences more rainfall, totaling around 53 mm (2.1 in) spread over 10 days and higher humidity levels at 92%. For more detailed information, you can check out the following link: Zaventem weather in November.
April and December present distinct weather contrasts. In April, temperatures range from a chilly minimum of -4°C (26°F) to a warmer average of 10°C (51°F), peaking at 28°C (82°F) on some days. The month experiences around 35 mm (1.4 in) of precipitation over 7 days, accompanied by relatively high humidity at 85%. In stark contrast, December typically sees colder temperatures, with a minimum of -5°C (23°F) and an average of 6°C (42°F), climbing only to a maximum of 15°C (60°F). This month is also much wetter, receiving 88 mm (3.5 in) of precipitation spread across 16 days, with humidity levels reaching 92%. For more details, you can check out Zaventem weather in December.
As April arrives in Zaventem, the weather showcases a striking transition from the frigid winter months to the milder embrace of spring. With temperatures gradually rising and occasionally peaking at a warm 28°C (82°F), this month stands out for its refreshing daytime warmth compared to the previous chill. Although April experiences average temperatures of about 10°C (51°F), the lingering humidity of 85% can sometimes create a noticeable chill during mornings and evenings. Precipitation is moderate this month, with about 35 mm (1.4 in) falling over approximately seven days, hinting at the upcoming verdant bloom of late spring. For a deeper insight into what Zaventem's climate is like throughout the year, visit Zaventem Climate.