Last updated: August 21, 2025
May in Ixelles, Belgium brings a delightful mix of spring warmth and refreshing rain. With maximum temperatures soaring to 31°C (88°F), basking in the sunshine becomes a joyous affair, while the average temperature hovers around a mild 13°C (57°F). However, cool nights dip to a brisk 1°C (33°F), reminding residents of the lingering chill of late spring. Rainfall is notable, with 58 mm (2.3 in) falling over 12 days, providing necessary moisture to the blossoming flora. The air carries an average humidity of 82%, creating a lush, verdant atmosphere that characterizes this vibrant season.
In Ixelles, Belgium, May ushers in a delightful shift in temperatures, marking a significant departure from the chill of prior months. With minimums resting at a comfortable 1°C (33°F) and an average that climbs to 13°C (57°F), residents and visitors alike can finally shed their winter layers. The month enjoys a warm peak with maximums reaching a sunny 31°C (88°F), creating the perfect backdrop for outdoor activities and leisurely strolls. This warming trend continues into the summer, indicating that May serves as a vibrant bridge from the briskness of winter to the balmy days ahead, inviting all to embrace the season’s splendor.
In May, Ixelles experiences a moderate precipitation level of 58 mm (2.3 in) over roughly 12 days, maintaining a steady rhythm of spring showers. This volume reflects a slight increase compared to the noticeably drier month of April, which recorded just 37 mm (1.5 in). As the region transitions deeper into spring, May's rainfall plays a crucial role in nourishing the vibrant blooms and lush greenery characteristic of the season. Interestingly, while May's totals are lower than the upcoming summer months, they are consistent with the overall trend of increased precipitation as the year progresses, setting the stage for the warmer, rainier months ahead.
In May, Ixelles, Belgium, experiences a slight dip in humidity, recorded at 82%, compared to the wetter months at the beginning of the year. This marks a gradual decrease from January's high of 91% down to April's 85%, suggesting a transition into the more temperate conditions of late spring. Interestingly, humidity levels remain constant into June, indicating that while the air may feel comparably dry, the moisture still lingers. This trend of moderate humidity continues through the summer, offering a refreshing break from the heavy dampness of the preceding months. As the year progresses, Ixelles sees humidity levels migrate back upward, peaking again in late autumn and winter, but in May, the city enjoys just enough humidity to maintain its lush greenery while inviting residents to appreciate the mild weather.
May in Ixelles, Belgium, marks a significant shift in UV exposure as the index climbs to 7, categorizing the risk as high. Compared to the preceding months, where the UV Index hovered around moderate levels, May signals an urgent need for sun safety measures. With a burn time of just 25 minutes, residents and visitors alike should be vigilant about sun protection during this period. Notably, this trend of increasing UV intensity continues into June and July, emphasizing the importance of adapting your outdoor plans accordingly. As temperatures rise and days get longer, understanding the changing UV Index is crucial for maintaining skin health. For more detailed insights on UV levels throughout the year, visit the Ixelles UV Index.
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May in Ixelles, Belgium, basks in a delightful 394 hours of sunshine, marking it as a peak spring month. As the year unfolds, it becomes evident that sunlight gradually increases, starting from a modest 121 hours in January. The transition into spring sees a remarkable jump, with March boasting 266 hours and April soaring to 346 hours. The warm embrace of May not only surpasses its predecessor but also sets the stage for the sunniest summer months ahead, with June and July hitting 398 and 406 hours, respectively. This upward trend in sunshine hours paints a vibrant picture of seasonal change, inviting residents and visitors alike to revel in the blossoming beauty of Ixelles during its sunniest moments.
As spring transitions into early summer in Ixelles, Belgium, May brings a unique blend of weather expectations. With a chance of sunny weather at 33%, May reflects a moderate likelihood of clear skies, drawing a contrast to the preceding months, particularly April, which sees a more promising 50% chance of sunshine. While May's likelihood dips slightly, it's still in alignment with the early summer months of June and July, both hovering around the same percentage. Interestingly, this suggests that while May might not have the highest percentage of sunny days, it's still a contender for pleasant weather, offering opportunities for outdoor activities amidst the blossoming scenery of late spring.
As spring unfolds in Ixelles, Belgium, May heralds a delightful increase in daylight hours, topping out at a vibrant 15 hours. This increase reflects a broader trend observed throughout the year, where daylight steadily rises from 8 hours in January to a peak in June at 16 hours, then gradually tapering off as autumn approaches. The momentum of May's brightness not only marks the transition into summer but also encapsulates the refreshing vitality of longer days, inviting residents and visitors alike to bask in the warmth and energy of the season. With daylight diminishing to 14 hours in August and further down to 12 hours by September, May stands out as a pivotal month, celebrating the full bloom of spring with extended moments of light.
In May, Ixelles experiences a refreshing return of wind, with an average speed of 4.4 m/s (10 mph), mirroring the brisk conditions of January and October. This resurgence is particularly welcomed after the milder winds of April, which dipped to 3.4 m/s (8 mph), signaling the transition into spring. Notably, the monthly wind speeds exhibit a clear seasonal pattern, with the spring months generally enjoying stronger breezes compared to the more calm summer months of June and July, where averages drop to 2.8 m/s (6 mph) and 3.3 m/s (7 mph) respectively. As the year progresses, wind speeds tend to fluctuate, indicating that the fresh air of May serves not only to invigorate the atmosphere but also to bridge the seasonal shifts from the blustery heart of winter to the gentler, warmer months ahead.
Weather in Ixelles varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Ixelles, focusing on differences in temperature, rainfall, humidity, and UV levels.
May and January exhibit striking differences in weather patterns. In May, temperatures range from a chilly minimum of 1°C (33°F) to a warm maximum of 31°C (88°F), averaging around 13°C (57°F). The month sees a modest precipitation of 58 mm (2.3 in) over 12 days, with humidity levels at a comfortable 82%. In contrast, January presents a much colder scenario, with temperatures dropping to a minimum of -7°C (20°F) and peaking at just 14°C (57°F), averaging only 4°C (39°F). Precipitation in January is slightly higher at 65 mm (2.5 in), also over 12 days, but with increased humidity at 91%. For more detailed insights, check out Ixelles weather in January.
In comparing May and February weather, May tends to be significantly milder with temperatures ranging from a minimum of 1°C (33°F) to a maximum of 31°C (88°F) and an average of 13°C (57°F). In contrast, February experiences colder conditions, with temperatures varying from a minimum of -8°C (17°F) to a maximum of 19°C (66°F) and an average of 5°C (42°F). While May brings some rain with a total of 58 mm (2.3 in) over 12 days, February sees slightly more precipitation at 69 mm (2.7 in) over the same number of days. Additionally, February's humidity is slightly higher at 89%, compared to May's 82%. For more detailed information, visit Ixelles weather in February.
Comparing the weather in May and March reveals notable differences in temperature and conditions. May typically boasts a wider temperature range, with a minimum of 1°C (33°F), an average of 13°C (57°F), and a maximum of 31°C (88°F). In contrast, March can be quite chilly, starting with a minimum of -8°C (17°F) and only averaging 7°C (45°F), peaking at 23°C (74°F). Although March receives slightly more precipitation at 70 mm (2.8 in) over 14 days, May experiences less, with 58 mm (2.3 in) over 12 days. Humidity levels are also high in both months, but March holds a marginally higher average at 87% compared to May's 82%. For a more detailed look at the weather during March, check out Ixelles weather in March.
In comparing the weather of April and May, one can observe a notable transition as spring progresses toward summer. April typically experiences cooler temperatures, with a minimum of -4°C (26°F) and an average of 10°C (50°F), compared to May, where the minimum temperature rises to 1°C (33°F) and the average reaches 13°C (57°F). The maximum temperatures also reflect this warming trend, with April peaking at 27°C (80°F) while May can climb to a warm 31°C (88°F).
Precipitation is greater in May, with 58 mm (2.3 in) recorded over 12 days, compared to April's 37 mm (1.5 in) over 8 days. Interestingly, humidity levels are quite similar in both months, with April at 85% and May slightly lower at 82%. For more detailed information about the conditions in April, you can refer to this link: Ixelles weather in April.
May and June present a noticeable evolution in weather patterns. In May, temperatures range from a cool 1°C (33°F) at night to a warm 31°C (88°F) during the day, with an average of 13°C (57°F). Precipitation is relatively moderate at 58 mm (2.3 in) over 12 days, while humidity remains high at 82%. In contrast, June sees a rise in temperatures, with nighttime lows of 7°C (44°F) and daytime highs reaching 32°C (91°F), resulting in an average temperature of 18°C (65°F). Although precipitation slightly increases to 66 mm (2.6 in), it occurs over just 9 days, maintaining the same humidity level of 82%. For more detailed information, you can check Ixelles weather in June.
In comparing the weather of May and July, we find noticeable differences in temperature and precipitation patterns. May boasts a wide temperature range, with nighttime lows reaching as low as 1°C (33°F) and daytime highs climbing up to 31°C (88°F), yielding an average temperature of 13°C (57°F). In contrast, July presents a much warmer climate, with minimum temperatures of 8°C (46°F) and maximum highs soaring to 39°C (102°F), resulting in an average of 19°C (66°F).
In terms of rainfall, May experiences 58 mm (2.3 in) of precipitation over 12 days, while July sees slightly higher precipitation at 71 mm (2.8 in) across 11 days, coupled with a slightly lower humidity of 80%. For a more detailed look at July's weather, you can visit Ixelles weather in July.
When comparing the weather in May and August, notable differences emerge. In May, temperatures range from a chilly minimum of 1°C (33°F) to a warm maximum of 31°C (88°F), with an average of 13°C (57°F). The month experiences around 58 mm (2.3 in) of precipitation over 12 days, accompanied by high humidity at 82%. In contrast, August sees a more consistent warmth, with temperatures ranging from a minimum of 8°C (46°F) to a maximum of 36°C (97°F), averaging 19°C (66°F). However, it also has higher precipitation levels of 80 mm (3.2 in) spread over 14 days, and slightly lower humidity at 76%. For more details on August weather, you can refer to Ixelles weather in August.
May and September offer distinct weather patterns, although both maintain a similar humidity level of 82%. In May, temperatures range from a minimum of 1°C (33°F) to a maximum of 31°C (88°F), while September sees a slightly warmer minimum of 4°C (39°F) and a similar maximum of 33°C (91°F). Overall, May has a slightly higher average temperature of 13°C (57°F) compared to September's 15°C (60°F). Additionally, both months experience a comparable amount of precipitation, with May receiving 58 mm (2.3 in) over 12 days and September totaling 55 mm (2.2 in) over 9 days. For more details about September’s weather, check Ixelles weather in September.
May and October present distinct weather patterns, with May generally experiencing warmer temperatures. In May, the minimum temperature can dip to 1°C (33°F) with an average high of 31°C (88°F), while October's minimum also stands at 1°C (34°F), but the maximum reaches only 25°C (77°F). Both months have notable humidity, peaking at 82% in May and slightly higher at 89% in October. Precipitation is more frequent in October, with an average of 76 mm (3.0 in) over 13 days, compared to May's 58 mm (2.3 in) across 12 days. For a more detailed look at October weather, check out Ixelles weather in October.
May and November present quite contrasting weather patterns. In May, temperatures range from a minimum of 1°C (33°F) to a maximum of 31°C (88°F), with an average of 13°C (57°F), resulting in a warm and vibrant atmosphere as spring flourishes. With 58 mm (2.3 in) of precipitation over 12 days, humidity sits at a relatively high 82%. In contrast, November experiences cooler weather, with temperatures dipping as low as -2°C (28°F) and peaking at 18°C (65°F), averaging around 7°C (45°F). The month sees similar precipitation levels at 57 mm (2.2 in) over 11 days, but the humidity is slightly higher at 92%. For more detailed insights into November weather, you can visit Ixelles weather in November.
In May, the weather is typically much warmer and more variable, with temperatures ranging from a chilly 1°C (33°F) to a pleasant 31°C (88°F), accompanied by an average temperature of 13°C (57°F). The month sees around 58 mm of precipitation over about 12 days, with humidity levels at 82%. In contrast, December is much colder, with temperatures varying from a low of -5°C (24°F) to a maximum of 15°C (59°F), averaging just 5°C (42°F). This month experiences more precipitation at 93 mm, spread over 17 days, and higher humidity at 92%. For a detailed look at what to expect, check out Ixelles weather in December.
As May unfolds in Ixelles, the transition to warmer weather becomes evident. The temperatures start to rise, offering a refreshing change from the preceding cooler months, with the occasional spike reaching up to a balmy 31°C. Despite experiencing some rainfall—averaging 12 days of precipitation—May's atmosphere is imbued with a higher humidity level, making it feel more vibrant. This contrast of warm days and cooler evenings, combined with lush greenery emerging from springtime, sets May apart from the chillier depths of winter or the unpredictable early spring. For a deeper dive into what you can expect throughout the year, check out more on Ixelles Climate.