May Weather in Saint-Gilles, Belgium

Last updated: August 21, 2025

Experience the charm of Saint-Gilles, Belgium, in May, where temperatures can soar to a delightful 31°C (88°F), providing a striking contrast to the refreshing average of 13°C (57°F). While the month welcomes warm days, it is also marked by cooler nights, dipping to a minimum of 1°C (33°F). Expect 58 mm (2.3 in) of precipitation across 12 days, making it a month of vibrant greenery and blossoming landscapes. With a humidity level averaging 82%, the air carries a fresh, invigorating quality, perfect for exploring the picturesque streets and enjoying the lively spring atmosphere.

May Temperature in Saint-Gilles

May in Saint-Gilles, Belgium marks a striking transition into warmer weather, showcasing temperatures that bloom in both range and comfort. With minimums of around 1°C (33°F) and an inviting average of 13°C (57°F), the month delivers a pleasant escape from the chill of earlier months. As the days lengthen, maximum temperatures can reach a balmy 31°C (88°F), offering a taste of summer's warmth. This upward trend from the coolness of April is a welcome invitation for outdoor activities, making May a delightful time to enjoy the vibrant scenery and culture of Saint-Gilles. Embrace the transition, as each day brings a step closer to the sun-kissed days of summer!

May Weather in Saint-Gilles: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Saint-Gilles, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Saint-Gilles, 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).
JanFebMarAprMayJunJulAugSepOctNovDec394245505664666660544542
Data source: Temperature data for Saint-Gilles 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 Saint-Gilles

In May, Saint-Gilles experiences a moderate level of precipitation, with 58 mm (2.3 in) falling over about 12 days. This quantity is a slight increase from April's drier conditions, which saw only 37 mm (1.5 in) across 8 days. As spring transitions into summer, May's rainfall often nurtures the vibrant blooms of the season, although it's notably less than the upcoming months, which typically bring heavier downpours. The pattern of intermittent showers observed in May suggests a balance between sunshine and rain, fostering lush greenery without the unrelenting wetness that characterizes the wetter months ahead. Overall, May serves as a gentle prelude to the more saturated conditions of summer, maintaining a rhythm that nature in Saint-Gilles thrives upon.

May Precipitation Trends in Saint-Gilles

The chart displays monthly precipitation patterns in Saint-Gilles, 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 Saint-Gilles, May typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec656971375866718055765793
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Saint-Gilles

As spring transitions into summer, May in Saint-Gilles, Belgium, experiences a slight dip in humidity, averaging at 82%. This marks a notable decrease from the wetter months earlier in the year, such as January, with its high humidity of 91%, and April, which sits at 85%. The trend suggests a gradual drying out as the region moves toward the summer months. June mirrors May with the same average humidity, indicating a consistent mildness in the air as the city basks in the warmer temperatures. This pattern exemplifies a typical Belgian climate, where humidity tends to ebb slightly during late spring and early summer before fluctuating again in the fall.

May Average Humidity in Saint-Gilles

This chart illustrates the average monthly humidity levels in Saint-Gilles, 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 Saint-Gilles 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 Saint-Gilles

As we transition into May in Saint-Gilles, Belgium, the UV Index sees a notable rise, reaching 7 and indicating a high exposure category. This shift marks a significant increase from the moderate levels observed in the earlier months, which had a UV Index of 4 in March and 5 in April. With a burn time of just 25 minutes, sun protection becomes essential as the days grow sunnier. Compared to the previous months, outdoor enthusiasts should be more vigilant about UV exposure to enjoy the pleasant May weather while staying safe. This trend continues into June and July, where the UV Index peaks at 8, emphasizing the need for proactive sun safety measures. For more details on the UV Index throughout the year, visit Saint-Gilles UV Index.

Maximum UV Index Levels in Saint-Gilles for May

The chart shows the monthly maximum UV Index (UVI) for Saint-Gilles 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 Saint-Gilles typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec124578875421
Data source: Saint-Gilles 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 Saint-Gilles

In Saint-Gilles, Belgium, the arrival of May marks a delightful peak in sunshine, with 394 hours of radiant daylight illuminating the month. As spring unfolds, there's a notable leap from 346 hours in April, showcasing a significant increase in sunlight that invites both locals and visitors to bask in the blooming beauty of the season. Following a gradual upward trend from the chill of January, where sunlight barely reached 121 hours, May stands out as one of the sunniest months, just shy of the 398 hours recorded in June. As the days grow longer and warmer, residents are reminded of the beautiful transition from the subdued light of winter to the bright, vibrant days of summer.

Monthly Sunshine Duration in Saint-Gilles: May Highlighted

The May sunshine duration represents the total number of hours Saint-Gilles 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.
JanFebMarAprMayJunJulAugSepOctNovDec121h200h266h346h394h398h406h379h319h240h190h143h
Data source: Saint-Gilles May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Saint-Gilles During May

In Saint-Gilles, Belgium, the likelihood of sunny weather in May is about 33%, marking a notable drop from the 50% chance seen in April. This trend suggests a transitional phase between the vibrant spring and the typically sunnier summer months ahead, with June and July maintaining a similar chance of sunshine. As May progresses, the city witnesses a blend of lingering springtime freshness and the anticipation of summer, resulting in an atmosphere that's both lively and unpredictable. While the sun may not be a guaranteed guest in May, its presence can certainly be felt, making for delightful days amidst the varied weather patterns.

Percentage of Sunny Days in May in Saint-Gilles

The chart illustrates the percentage of sunny days in Saint-Gilles 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 Saint-Gilles experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec11%30%40%50%33%34%34%29%36%32%24%16%
Data source: Saint-Gilles May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Saint-Gilles in May

In Saint-Gilles, Belgium, the gradual lengthening of daylight is a delightful progression that unfolds with each month. Starting from a modest 8 hours in January, daylight begins to blossom, reaching 10 hours in February and further expanding to 11 hours by March. The real transformation occurs in April, where daylight soars to 13 hours, paving the way for the sun-soaked days of May which bask in a generous 15 hours of sunlight. This trend peaks in June with 16 hours, creating vibrant, lively evenings. However, as summer gives way to autumn, the daylight begins its retreat, dropping to 15 hours in July and continuing down to 10 hours by October. This gentle ebb and flow culminates in November and December, when daylight returns to 8 hours, inviting a cozy embrace as the year concludes. Throughout the year, the shifting daylight not only marks the changing seasons but also enriches the daily rhythm of life in this charming Belgian locale.

Average Daylight Hours in Saint-Gilles for May

The chart illustrates the variation in daylight duration in Saint-Gilles throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 31m10h 2m11h 55m13h 50m15h 31m16h 23m15h 55m14h 25m12h 34m10h 39m8h 56m8h 2m
Data source: Saint-Gilles daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Saint-Gilles

May in Saint-Gilles, Belgium, brings a refreshing return to higher winds, with an average speed of 4.4 m/s (10 mph), mirroring January's lively breezes. After a gradual decline through the earlier spring months—with April dipping to 3.4 m/s (8 mph)—May marks a rejuvenation, setting the tone for the vibrant summer ahead. This month stands out as part of a transitional period, reflecting a trend of fluctuating winds that typically peak in early and late seasons before tapering off in the summer's warmth. As the winds playfully dance through the streets in May, residents and visitors alike can relish the invigorating air that heralds the transition into the sunny months.

Average May Wind Speed in Saint-Gilles

The chart displays monthly wind speed patterns in Saint-Gilles, 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.
JanFebMarAprMayJunJulAugSepOctNovDec4.44.64.03.44.4 m/s2.83.33.43.04.33.34.2
Data source: Saint-Gilles May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Saint-Gilles Compares to Other Months

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

In comparing the weather of May and January, significant differences emerge. May enjoys a much warmer average temperature of 13°C (57°F), with maximums soaring up to 31°C (88°F), making it a pleasant month for outdoor activities. In contrast, January presents a much colder climate with an average of 4°C (39°F) and peak temperatures only reaching 14°C (57°F). Precipitation levels are relatively comparable, with May receiving 58 mm (2.3 in) and January slightly higher at 65 mm (2.5 in), both over approximately 12 days. Humidity also plays a role, with January being slightly more humid at 91% compared to May's 82%. For more details about January weather, visit Saint-Gilles weather in January.

When comparing the weather between February and May, notable differences emerge. February experiences colder temperatures, with minimums dropping to -8°C (17°F) and an average of only 5°C (42°F). In contrast, May offers a much warmer climate, with minimums starting at 1°C (33°F) and reaching average highs of 13°C (57°F) to a maximum of 31°C (88°F). Precipitation levels are relatively similar, with February receiving 69 mm (2.7 in) and May seeing slightly less at 58 mm (2.3 in), both over approximately 12 days. Humidity is also higher in February at 89%, compared to 82% in May. For a more detailed look at February's weather, you can check out Saint-Gilles weather in February.

May generally experiences warmer temperatures compared to March, with averages soaring to 13°C (57°F) against March's lower average of 7°C (45°F). The range of temperatures in May also highlights its potential for heat, with maximum temperatures reaching up to 31°C (88°F), while March peaks at 23°C (74°F). However, March has slightly higher precipitation at 70 mm (2.8 in) over 14 days, compared to May's 58 mm (2.3 in) over 12 days, indicating that March can be wetter despite its cooler temperatures. Humidity levels are comparable, with March at 87% and May at 82%. For more detailed weather statistics, you can check Saint-Gilles weather in March.

In comparing the weather of May and April, a notable shift in temperature can be observed. May experiences higher temperatures, with a minimum of 1°C (33°F), an average of 13°C (57°F), and a maximum of 31°C (88°F), compared to April's lower range of -4°C (26°F) to 27°C (80°F) with an average of 10°C (50°F). Additionally, May sees increased precipitation of 58 mm (2.3 in) over 12 days, while April has less rainfall, measuring 37 mm (1.5 in) across 8 days. Humidity levels remain relatively high in both months, with May at 82% and April slightly higher at 85%. For more detailed weather information, you can visit Saint-Gilles weather in April.

May and June showcase a noticeable shift in weather patterns. May features a broader temperature range, with minimums dipping to 1°C (33°F) and maximums reaching 31°C (88°F), while June enjoys milder lows at 7°C (44°F) and slightly warmer highs peaking at 32°C (91°F). Both months experience similar humidity levels, sitting at 82%, and while May receives a bit less precipitation (58 mm over 12 days) compared to June's 66 mm over 9 days, the overall weather in both months reflects the transition from spring to early summer. For more details on June weather in this region, check out Saint-Gilles weather in June.

May and July present distinct weather patterns. In May, temperatures range from a cool minimum of 1°C (33°F) to a warm average of 13°C (57°F) and can peak at 31°C (88°F). This month experiences about 58 mm (2.3 in) of precipitation over 12 days, coupled with a high humidity level of 82%. In contrast, July sees a much warmer climate, with temperatures ranging from a minimum of 8°C (46°F) to an average of 19°C (66°F) and soaring to a maximum of 39°C (102°F). The precipitation increases slightly to 71 mm (2.8 in) but occurs over just 11 days, resulting in a slightly lower humidity of 80%. For more details on July's weather, visit Saint-Gilles weather in July.

May and August exhibit distinct weather patterns that reflect the transition from spring to summer. In May, temperatures range from a chilly 1°C (33°F) at night to a warm average of 13°C (57°F) during the day, peaking at a maximum of 31°C (88°F). Precipitation is also notable, with 58 mm (2.3 in) falling over 12 days, accompanied by relatively high humidity at 82%. In contrast, August brings milder nights with a minimum of 8°C (46°F) and a warmer average of 19°C (66°F), reaching maximum temperatures of 36°C (97°F). While August sees a slight increase in total precipitation to 80 mm (3.2 in) over 14 days, the humidity is lower at 76%, making the heat feel more tolerable. For a closer look at August's weather in Saint-Gilles, check out Saint-Gilles weather in August.

May and September present a transition in weather as spring shifts towards autumn. In May, the temperatures range from a cool 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 approximately 12 days, coupled with a humidity level of 82%. In contrast, September sees slightly higher minimum temperatures at 4°C (39°F) and a similar maximum temperature reaching 33°C (91°F), with an average of 15°C (60°F). Precipitation is slightly less at 55 mm (2.2 in), occurring over about 9 days, while humidity remains constant at 82%. For more detailed insights into weather in September, you can check Saint-Gilles weather in September.

May and October exhibit distinct weather patterns influenced by the spring and fall seasons. 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), while October shows a decrease in temperature, with minimums at 1°C (34°F) and maximums reaching only 25°C (77°F), averaging 12°C (54°F). Precipitation in May is 58 mm (2.3 in) over 12 days, whereas October sees slightly more rain at 76 mm (3.0 in) across 13 days. Additionally, October is more humid, with a relative humidity of 89% compared to May’s 82%. For more specific insights on October's weather, refer to Saint-Gilles weather in October.

May weather offers a wider temperature range, with minimums around 1°C (33°F) and maximums reaching up to 31°C (88°F), resulting in an average of 13°C (57°F). The month is characterized by relatively lower humidity at 82% and more pleasant days, despite the 12 days of precipitation totaling 58 mm (2.3 in). In contrast, November sees cooler temperatures, with a minimum of -2°C (28°F) and an average of 7°C (45°F), peaking at 18°C (65°F). The humidity rises to 92%, and the month experiences slightly less precipitation, with 57 mm (2.2 in) over 11 days. For more details on weather specifics, you can check Saint-Gilles weather in November.

May and December present contrasting weather conditions. 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), contributing to a generally mild and pleasant atmosphere. The month experiences approximately 58 mm (2.3 in) of rainfall over 12 days, coupled with a humidity level of 82%. In stark contrast, December's climate is much colder, with temperatures dipping as low as -5°C (24°F) and peaking at 15°C (59°F), averaging around 5°C (42°F). This winter month sees higher precipitation levels of 93 mm (3.7 in) spread across 17 days and an increase in humidity to 92%. For more details about the conditions in December, you can visit Saint-Gilles weather in December.

Compare Saint-Gilles's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Saint-Gilles

In May, Saint-Gilles comes alive with a refreshing blend of warmth and occasional rain, marking a delightful transition from the crisp chill of early spring. With maximum temperatures reaching up to 31°C (88°F), this month stands out as a period of blossoming vibrancy, contrasting sharply with the cooler averages and rarity of sunshine in the preceding months. However, expect occasional showers, as May experiences about 12 days of precipitation, contributing to a relatively high humidity level of 82%. This unique weather pattern not only nourishes the burgeoning greenery but also sets the stage for a lively outdoor atmosphere, perfect for exploring urban parks and charm-filled streets. For more detailed insights, check out Saint-Gilles Climate.