May Weather in Mechelen, Belgium

Last updated: August 21, 2025

In Mechelen, Belgium, May showcases a dynamic climate characterized by a maximum temperature of 32°C (89°F), offering warm days, while the average settles around a mild 14°C (57°F). Cool nights can dip to a minimum of 1°C (34°F), creating a diverse range of conditions. The month witnesses 57 mm (2.3 in) of precipitation spread over approximately 12 days, contributing to an atmosphere of high humidity at 82%. This blend of warmth and moisture not only fosters vibrant spring foliage but also invites a tapestry of weather experiences for residents and visitors alike.

May Temperature in Mechelen

In May, Mechelen, Belgium, experiences a delightful transition into warmer weather, setting the stage for spring’s vibrant bloom. With temperatures ranging from a minimum of 1°C (34°F) to a maximum of 32°C (89°F), this month showcases a significant rise in warmth compared to the preceding months. The average temperature settles comfortably at 14°C (57°F), making it a pleasant time for outdoor activities and explorations. The data reflects a steady increase in temperatures that signals the end of the chillier months, with May’s warmth not only inviting but also hinting at the sweltering heat of summer soon to follow. As locals and visitors bask in the moderate climate, May truly embodies the allure of spring in Mechelen.

May Weather in Mechelen: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Mechelen, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mechelen, May typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec404245505765666660554542
Data source: Temperature data for Mechelen generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

May Precipitation in Mechelen

In May, Mechelen experiences a notable increase in precipitation, accumulating 57 mm (2.3 in) over the month across 12 rainy days. This marks a slight dip compared to the wetter April, which had only 35 mm but fewer rain days. Interestingly, May's patterns hint at a shift towards the more humid summer months ahead, as rainfall begins to build toward July's peak of 71 mm (2.8 in). Generally, May serves as a transitional month, balancing the spring's lighter showers with the heavier rains that characterize the coming summer. This trend sets the stage for the lush landscapes that define Belgium's warmer months, making May a tantalizing prelude to the abundant greenery that follows.

May Precipitation Trends in Mechelen

The chart displays monthly precipitation patterns in Mechelen, with values for each month alongside May’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May’s conditions compare to those of other months. In Mechelen, May typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec626768355764717450775388
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

May Humidity in Mechelen

In Mechelen, Belgium, May marks a notable transition in humidity levels, with the figures dropping to 82% from the higher percentages of the earlier months. This decrease reflects the beginning of a gradual shift towards drier conditions as spring unfolds, following an 89% humidity in February and 85% in April. Interestingly, the humidity in May remains consistent with June, suggesting a stable pattern as summer approaches. Over the course of the year, humidity peaks in the winter months, with January and February reaching highs of 91% and 89% respectively, before tapering off. The summer months then showcase a steady decline, highlighting Mechelen's transition into a more comfortable climate.

May Average Humidity in Mechelen

This chart illustrates the average monthly humidity levels in Mechelen, with May’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In May, average humidity in Mechelen is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%89%87%85%82%82%80%76%82%89%92%92%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Mechelen

As spring transitions into summer, May in Mechelen, Belgium, marks a notable increase in UV exposure, with the UV Index reaching 7, categorized as high. This surge reflects a shift from the moderate levels observed in the previous months, notably with a drop in burn time to just 25 minutes for those with fair skin. It's a clear indication that as the days grow longer and sunnier, protecting your skin becomes increasingly important. This upward trend in UV Index continues into June and July, where values peak at 8, highlighting a critical time for sun safety. With May serving as a precursor to the more intense summer sun, it's essential to adjust your outdoor activities accordingly and stay informed. For more detailed information on UV levels throughout the year in Mechelen, visit Mechelen UV Index.

Maximum UV Index Levels in Mechelen for May

The chart shows the monthly maximum UV Index (UVI) for Mechelen in May, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In May, the maximum UV index in Mechelen typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec124578875321
Data source: Mechelen May UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

May Sunshine in Mechelen

May shines brightly in Mechelen, Belgium, as it reaches a delightful 397 hours of sunlight, reflecting a steady ascent from the 120 hours recorded in January. This increase is part of a clear trend, with each month showing a remarkable improvement in daylight, peaking just a few hours later in June with 400 hours. The gradual climb from a wintry 272 hours in March to the warmth of late spring shows the residents' anticipation for longer, sunnier days. Interestingly, the trend slightly shifts in the subsequent months, as hours of sunshine begin to taper off in July to 411 hours, before descending gradually through autumn. Such seasonal patterns not only brighten the days but also invigorate the spirit of Mechelen’s vibrant community.

Monthly Sunshine Duration in Mechelen: May Highlighted

The May sunshine duration represents the total number of hours Mechelen experiences direct sunlight during the month of May, excluding cloudy or obstructed periods. This chart compares the sunshine duration of May with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec120h203h272h348h397h400h411h383h320h241h191h143h
Data source: Mechelen May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Mechelen During May

As the seasons transition into May, Mechelen, Belgium experiences a notable shift in weather patterns. With a 33% chance of sunny days, May offers a refreshing glimpse of spring’s warmth, even if it slightly dips from the preceding month of April, which boasts a 47% chance. This year marks a gradual trend toward sunnier months, yet May's sunshine is not guaranteed, as the region may often encounter lingering clouds and a bit of rain. Nevertheless, the likelihood of pleasant weather tends to set the stage for outdoor activities and seasonal festivities, encouraging locals and visitors alike to embrace the charm of Mechelen in late spring.

Percentage of Sunny Days in May in Mechelen

The chart illustrates the percentage of sunny days in Mechelen throughout the year, with May highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Mechelen experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec11%31%39%47%33%34%34%31%34%31%24%17%
Data source: Mechelen May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Mechelen in May

In Mechelen, Belgium, daylight duration follows a captivating rhythm throughout the year, peaking in the summer months. Starting with a modest 8 hours in January, daylight steadily increases, reaching a delightful 15 hours in May. This upward trend continues into June, where the sun shines for an impressive 16 hours, before gradually tapering off. As summer yields to autumn, daylight diminishes to 12 hours in September, eventually returning to 10 hours in October and drifting down to 7 hours by December. This natural ebb and flow of light not only enhances the beauty of each season but also encourages outdoor exploration and leisure during the sun-drenched days of late spring and early summer.

Average Daylight Hours in Mechelen for May

The chart illustrates the variation in daylight duration in Mechelen throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 27m10h11h 55m13h 52m15h 34m16h 27m15h 59m14h 27m12h 34m10h 38m8h 53m7h 58m
Data source: Mechelen daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Mechelen

In Mechelen, Belgium, May greets residents with an average wind speed of 4.1 m/s (9 mph), marking a notable increase from the more tranquil breezes of April, which offered just 3.3 m/s (7 mph). As spring dances toward summer, this uptick in wind speeds aligns with a trend observed in the earlier months; January and February both enjoyed mild conditions around 4.2 m/s and 4.3 m/s, respectively. However, May's gentle gusts provide a refreshing contrast to the noticeably lighter winds of June, which plunges to 2.7 m/s (6 mph). This pattern presents a seasonal rhythm, with May serving as a bridge between the vibrant energy of spring and the calmer, sultry days ahead.

Average May Wind Speed in Mechelen

The chart displays monthly wind speed patterns in Mechelen, with values for each month shown alongside May's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how May's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec4.24.33.83.34.1 m/s2.73.23.22.94.13.23.9
Data source: Mechelen May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Mechelen Compares to Other Months

Weather in Mechelen varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Mechelen, focusing on differences in temperature, rainfall, humidity, and UV levels.

May and January showcase contrasting weather patterns that reflect the shift from winter to spring. In May, temperatures range from a low of 1°C (34°F) to a high of 32°C (89°F), with an average of 14°C (57°F), making it a much warmer month conducive to outdoor activities. The 57 mm (2.3 in) of precipitation spread over 12 days contributes to the lush greenery typically seen in spring, while humidity hovers around 82%.

In contrast, January is much colder, with temperatures ranging from -6°C (21°F) to 14°C (58°F), and an average of only 4°C (40°F). Though January sees a similar amount of precipitation at 62 mm (2.4 in) over 11 days, the higher humidity at 91% can make the air feel more chill. For a deeper look at January conditions, you can check Mechelen weather in January. Overall, the transition from January to May marks a significant warming trend and transformation in weather characteristics.

May and February present quite contrasting weather patterns. In May, temperatures range from a chilly 1°C (34°F) to a warm 32°C (89°F), with an average of 14°C (57°F). The month sees approximately 57 mm (2.3 in) of precipitation over 12 days and a humidity level of 82%. In stark contrast, February has much colder temperatures, with a minimum of -9°C (16°F), an average of 6°C (42°F), and a maximum reaching only 19°C (66°F). Although February experiences slightly more precipitation at 67 mm (2.6 in) over the same number of days, it has a higher humidity level of 89%. For more details about February weather, you can visit Mechelen weather in February.

In comparing the weather between March and May, we notice a significant shift in temperature and conditions. March experiences much cooler temperatures with a minimum of -7°C (19°F) and an average of 7°C (46°F), while May sees temperatures ranging from a minimum of 1°C (34°F) to an average of 14°C (57°F) and peaking at 32°C (89°F). Interestingly, March has slightly higher precipitation, totaling 68 mm (2.7 in) over 13 days, compared to May's 57 mm (2.3 in) over 12 days. Additionally, humidity levels are relatively high in both months, with March at 87% and May at 82%. For more details about March weather, visit Mechelen weather in March.

In May, the weather begins to warm significantly compared to April, with average temperatures rising from 10°C (51°F) in April to 14°C (57°F) in May. While April experiences a colder minimum temperature of -4°C (26°F), May's temperatures drop to a milder minimum of 1°C (34°F) and can reach a maximum of 32°C (89°F), showcasing the transition into summer. Precipitation also increases in May, with 57 mm (2.3 in) of rain over 12 days, compared to April's 35 mm (1.4 in) over only 7 days. Interestingly, humidity remains relatively high in both months, with May at 82% and April slightly higher at 85%. For more detailed insights, you can visit Mechelen weather in April.

May and June present a noticeable transition in weather patterns, showcasing a gradual warming trend as spring shifts into summer. In May, temperatures range from a chilly minimum of 1°C (34°F) to a pleasant average of 14°C (57°F), with a peak reaching 32°C (89°F). This month experiences around 57 mm (2.3 in) of precipitation over approximately 12 days, maintaining a consistently high humidity of 82%.

In contrast, June brings a rise in both minimum and average temperatures, starting at 8°C (46°F) and averaging 18°C (65°F), while still reaching maximums of 33°C (92°F). Precipitation increases slightly to 64 mm (2.5 in), but with fewer rainy days—only about 9. Humidity remains steady at 82%, ensuring that June feels comfortably warm, making it an ideal time for outdoor activities. For a more detailed overview of June weather, you can check Mechelen weather in June.

In May, temperatures typically range from a cool minimum of 1°C (34°F) to a comfortable maximum of 32°C (89°F), averaging around 14°C (57°F). With 57 mm (2.3 in) of precipitation over about 12 days, the month experiences relatively high humidity at 82%. In contrast, July exhibits warmer conditions, with temperatures ranging from a minimum of 8°C (47°F) to a scorching maximum of 39°C (103°F), averaging 19°C (67°F). Although July sees a slight increase in precipitation at 71 mm (2.8 in) over about 10 days, humidity remains slightly lower at 80%. For more detailed insights, check out Mechelen weather in July.

In May, temperatures range from a cool low of 1°C (34°F) to a warm high of 32°C (89°F), with an average of 14°C (57°F) and a relatively high humidity of 82%. The month sees approximately 57 mm (2.3 in) of precipitation spread over 12 days. In contrast, August presents a milder climate with minimum temperatures of 8°C (47°F) and maximums reaching up to 36°C (96°F), averaging 19°C (67°F) and with slightly lower humidity at 76%. Precipitation in August is higher, measuring about 74 mm (2.9 in) over 13 days. For more detailed insights, you can check Mechelen weather in August.

In May, temperatures range from a chilly minimum of 1°C (34°F) to a warm maximum of 32°C (89°F), with an average of 14°C (57°F). The month experiences about 57 mm (2.3 in) of precipitation over approximately 12 days, while humidity remains high at 82%. In contrast, September sees slightly warmer conditions overall, with temperatures ranging from a minimum of 4°C (39°F) to a maximum of 33°C (93°F), and an average temperature of 16°C (60°F). Precipitation is a bit lower at 50 mm (2.0 in) over 9 days, maintaining the same level of humidity at 82%. For more details, visit Mechelen weather in September.

May and October offer distinct weather patterns, showcasing the transition between spring and autumn. In May, temperatures can range from a brisk 1°C (34°F) at night to a warm 32°C (89°F) during the day, with an average of 14°C (57°F). The month sees about 57 mm (2.3 in) of precipitation over 12 days, accompanied by a relatively high humidity of 82%. In contrast, October experiences slightly cooler temperatures, with a minimum of 2°C (35°F) and a maximum of 26°C (79°F), leading to an average of 13°C (55°F). Precipitation increases to 77 mm (3.0 in) over the same number of days, while humidity rises to 89%. These differences highlight how May is generally warmer and drier, while October tends to be cooler and wetter, making it a unique time for weather enthusiasts. For more information, you can check Mechelen weather in October.

May and November present markedly different weather conditions. In May, temperatures range from a chilly 1°C (34°F) at night to a warm 32°C (89°F) during the day, with an average of 14°C (57°F). The month experiences about 57 mm (2.3 in) of precipitation over 12 days and maintains a relatively high humidity level of 82%. In contrast, November sees a drop in temperatures, with a minimum of -3°C (28°F) and a maximum of 19°C (66°F), averaging at 7°C (46°F). Precipitation is slightly lower at 53 mm (2.1 in) over 10 days, but humidity rises to 92%. For a deeper look into November's weather patterns, check out Mechelen weather in November.

In May, the weather is generally warmer and more variable, with temperatures ranging from a chilly 1°C (34°F) to a warm 32°C (89°F), and an average of 14°C (57°F). The month sees about 57 mm (2.3 inches) of precipitation over 12 days, accompanied by a relatively high humidity level of 82%. In contrast, December brings much colder temperatures, with a minimum of -5°C (23°F) and a maximum of 15°C (60°F), averaging around 6°C (42°F). The month is wetter, with 88 mm (3.5 inches) of precipitation over 16 days, and a slightly higher humidity at 92%. For more detailed information about the December weather, visit Mechelen weather in December.

Compare Mechelen's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Mechelen

In May, Mechelen transitions into a delightful spring, showcasing a distinct shift from the cooler, wetter months of early spring. With temperature highs reaching up to 32°C (89°F), residents and visitors start enjoying more outdoor activities, despite a few rainy days scattered throughout the month. The average temperature of 14°C (57°F) offers a refreshing warmth, yet the lingering humidity at 82% serves as a gentle reminder of the wetter winter months. Though May does see some precipitation, the overall climate is much more favorable for exploration and relaxation. To discover more about what to expect throughout the year, feel free to check out Mechelen Climate.