May Weather in Sainte-Marie-sur-Semois, Belgium

Last updated: August 21, 2025

May in Sainte-Marie-sur-Semois, Belgium, presents a captivating blend of weather dynamics, with temperatures ranging from a brisk -1°C (31°F) to a delightful 30°C (86°F). The month averages a comfortable 12°C (55°F), inviting both locals and visitors to enjoy the fresh spring air. However, with 82 mm (3.2 in) of precipitation over 14 days, occasional rain is to be expected, contributing to the lush, vibrant landscapes of the region. The humidity sits at a notable 81%, enhancing the refreshing atmosphere as nature bursts into full bloom.

May Temperature in Sainte-Marie-sur-Semois

In Sainte-Marie-sur-Semois, Belgium, May heralds a delightful transition into warmer weather, showcasing a noticeable rise in temperatures compared to the preceding months. With minimums around -1°C (31°F) and a pleasing average of 12°C (55°F), May contrasts sharply with the chill of earlier winter months, making outdoor activities increasingly inviting. The maximum temperature can soar up to a delightful 30°C (86°F), reflecting the onset of summer's warmth. This month is a vibrant precursor to June's swelter, as the region shifts from the grips of cold to the embrace of sunny days, perfect for enjoying the lush landscapes of the Semois valley.

May Weather in Sainte-Marie-sur-Semois: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Sainte-Marie-sur-Semois, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sainte-Marie-sur-Semois, 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).
JanFebMarAprMayJunJulAugSepOctNovDec353842485463646458514138
Data source: Temperature data for Sainte-Marie-sur-Semois generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

May Precipitation in Sainte-Marie-sur-Semois

In May, Sainte-Marie-sur-Semois experiences a noticeable uptick in precipitation, with an average of 82 mm (3.2 in) over 14 days, marking a slight increase from the previous month. This is part of a generally rainier trend seen throughout the spring, following the much drier month of April, which only recorded 47 mm (1.8 in). As the region transitions into the summer months, the precipitation levels remain relatively consistent, with June showing only a modest rise to 84 mm (3.3 in). May's rainfall not only supports the lush, vibrant landscapes typical of this time but also sets the stage for the wetter conditions that characterize the region as it moves further into the year.

May Precipitation Trends in Sainte-Marie-sur-Semois

The chart displays monthly precipitation patterns in Sainte-Marie-sur-Semois, 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 Sainte-Marie-sur-Semois, May typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec92911034782847371739579149
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

May Humidity in Sainte-Marie-sur-Semois

In May, Sainte-Marie-sur-Semois experiences a noteworthy shift in humidity, dropping to 81%—the lowest level for the month in comparison to the preceding months. This gradual decline from January's high of 91% reflects a warming trend as spring progresses, allowing for a more comfortable atmosphere. As the region transitions into summer, humidity levels stabilize slightly in June and July at 82%, indicating a pleasant balance after the initial drop. Overall, May marks a pivotal point, transitioning from the crisp, damp chill of winter to the more moderate and inviting conditions of late spring.

May Average Humidity in Sainte-Marie-sur-Semois

This chart illustrates the average monthly humidity levels in Sainte-Marie-sur-Semois, 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 Sainte-Marie-sur-Semois is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec92%90%88%84%81%82%82%80%83%89%91%93%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Sainte-Marie-sur-Semois

As spring blossoms into summer in Sainte-Marie-sur-Semois, May heralds a significant leap in UV exposure, with the UV Index reaching a notable 8—classified as very high. This increase from April's Index of 6 signifies a shift in how residents should approach sun safety, as the burn time dramatically decreases to just 15 minutes. Following a gradual rise from the low levels of winter, the dramatic escalation in May serves as a reminder to be proactive about sun protection. With the warmer months ahead, it's essential to stay informed about UV levels to enjoy the sunny days safely. For more insights, check out the detailed Sainte-Marie-sur-Semois UV Index.

Maximum UV Index Levels in Sainte-Marie-sur-Semois for May

The chart shows the monthly maximum UV Index (UVI) for Sainte-Marie-sur-Semois 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 Sainte-Marie-sur-Semois typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec234689886421
Data source: Sainte-Marie-sur-Semois 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 Sainte-Marie-sur-Semois

As spring unfolds into May, Sainte-Marie-sur-Semois basks in the warm embrace of increasing sunshine, witnessing an impressive 388 hours of daylight—a vibrant peak for the year. Following the gradual ascent from a mere 107 hours in January, the month showcases a significant leap, reflecting the area's shift towards longer, brighter days. In fact, May's sunshine outpaces both the preceding months and signals the onset of summer, where June peaks with an admirable 411 hours. This trend of rising daylight not only enhances the region's natural beauty but also invites residents and visitors alike to indulge in outdoor activities and the enchanting ambiance that the burgeoning season brings. As the sun makes its triumphant reappearance, Sainte-Marie-sur-Semois transforms into a picturesque haven, alive with the spirit of long, sunlit days.

Monthly Sunshine Duration in Sainte-Marie-sur-Semois: May Highlighted

The May sunshine duration represents the total number of hours Sainte-Marie-sur-Semois 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.
JanFebMarAprMayJunJulAugSepOctNovDec107h186h248h346h388h411h408h385h317h239h175h112h
Data source: Sainte-Marie-sur-Semois May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Sainte-Marie-sur-Semois During May

In Sainte-Marie-sur-Semois, May experiences a moderate 31% chance of sunny weather, a slight dip from the blossoming 50% in April. As spring progresses, the likelihood of sunny days decreases compared to the preceding month, suggesting that the transition into summer is not yet fully realized. This trend continues into June, where the chance remains steady at 31%. Despite relatively cool and overcast forecasts, May still offers a pleasant mix of brightness as nature comes alive. Looking back, January begins with a mere 8%, gradually climbing through the months, ultimately reaching its peak in April before the sunny days plateau in late spring. So, while May isn't the sunniest month, it still holds a charm of rejuvenation, perfect for enjoying the late spring scenery.

Percentage of Sunny Days in May in Sainte-Marie-sur-Semois

The chart illustrates the percentage of sunny days in Sainte-Marie-sur-Semois 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 Sainte-Marie-sur-Semois experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec9%30%42%50%31%31%34%27%39%30%19%14%
Data source: Sainte-Marie-sur-Semois May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Sainte-Marie-sur-Semois in May

As spring transitions into summer in Sainte-Marie-sur-Semois, daylight hours gradually increase, bringing vibrant energy to the landscape. In May, residents can enjoy an impressive 15 hours of daylight, a significant uplift from the 13 hours of April. This trend of lengthening days peaks in June with a full 16 hours, offering the longest days of the year. However, as the seasons progress into the warmth of summer, daylight begins to wane, with July still basking in 15 hours before gradually receding to 14 hours in August. By autumn, days shorten quickly, slipping back to 12 hours in September and falling to just 10 hours by October. This cyclical pattern of daylight reflects the region's harmonious connection with the seasons, showcasing the beautiful rhythm of nature throughout the year.

Average Daylight Hours in Sainte-Marie-sur-Semois for May

The chart illustrates the variation in daylight duration in Sainte-Marie-sur-Semois throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 38m10h 6m11h 55m13h 47m15h 23m16h 13m15h 47m14h 20m12h 33m10h 42m9h 3m8h 10m
Data source: Sainte-Marie-sur-Semois daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Sainte-Marie-sur-Semois

In May, Sainte-Marie-sur-Semois enjoys a refreshing uptick in wind speed, averaging 4.5 m/s (10 mph), which is a notable increase from the calmer breezes of April. This month marks a transition toward more invigorating weather, becoming one of the windiest periods following February's steady winds. As spring unfolds, the region benefits from this boost in airflow, which not only enhances the vibrant atmosphere but also signals the perfect conditions for outdoor activities. As the winds taper off in June, May serves as a delightful reminder of nature's dynamic rhythms, paving the way for the warmer months ahead.

Average May Wind Speed in Sainte-Marie-sur-Semois

The chart displays monthly wind speed patterns in Sainte-Marie-sur-Semois, 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.
JanFebMarAprMayJunJulAugSepOctNovDec4.34.44.13.74.5 m/s2.83.53.52.84.03.33.9
Data source: Sainte-Marie-sur-Semois May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Sainte-Marie-sur-Semois Compares to Other Months

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

May and January present contrasting weather patterns. In May, temperatures range from a chilly minimum of -1°C (31°F) to a pleasant average of 12°C (55°F), peaking at a warm 30°C (86°F). This month experiences moderate precipitation, totaling 82 mm (3.2 in) over about 14 days, accompanied by a humidity level of 81%. In stark contrast, January features much colder conditions, with temperatures dipping as low as -11°C (12°F), averaging around 2°C (35°F), and a maximum of only 11°C (53°F). Despite slightly higher precipitation at 92 mm (3.6 in) over 13 days, January remains decidedly more humid at 91%. For a closer look at January weather in this region, visit Sainte-Marie-sur-Semois weather in January.

When comparing the weather in May to February, there are notable differences in temperature and precipitation. May experiences a much warmer range, with a minimum temperature of -1°C (31°F) and an average of 12°C (55°F), peaking at 30°C (86°F). In contrast, February is significantly colder, with temperatures ranging from a minimum of -10°C (13°F) to a maximum of 19°C (66°F), averaging only 3°C (38°F). Precipitation levels are slightly higher in February at 91 mm (3.6 in) over 13 days, compared to May's 82 mm (3.2 in) spread over 14 days. Despite the increased rainfall in February, the humidity is marginally higher at 90%, while May sits at 81%. For more details about February weather, you can check Sainte-Marie-sur-Semois weather in February.

In comparing the weather of May and March, we see a notable shift in temperatures and conditions. May enjoys a broader temperature range with minimums of -1°C (31°F) and highs reaching up to 30°C (86°F), while March's temperatures are cooler, with a minimum of -12°C (10°F) and a maximum of 21°C (71°F). Precipitation in March is slightly higher at 103 mm (4.1 in) over 15 days compared to May's 82 mm (3.2 in) over 14 days, indicating that March is somewhat wetter despite its cooler temperatures. Humidity levels are also higher in March at 88%, versus 81% in May, contributing to the more crisp feel of early spring. For a more detailed look at March weather, you can visit Sainte-Marie-sur-Semois weather in March.

In comparing the weather of May and April, we observe a significant increase in temperature and precipitation. May boasts a broader temperature range, with minimums of -1°C (31°F), an average of 12°C (55°F), and maximums reaching 30°C (86°F). In contrast, April sees slightly cooler conditions, with a minimum of -3°C (27°F), an average of 9°C (48°F), and a maximum of 26°C (79°F). Additionally, May experiences more precipitation, totaling 82 mm (3.2 in) across 14 days, compared to April's 47 mm (1.8 in) over 11 days. Humidity levels remain somewhat comparable, at 81% in May and 84% in April. For a detailed look at the weather patterns in April, you can refer to Sainte-Marie-sur-Semois weather in April.

May and June exhibit distinct yet complementary weather patterns. May presents a wider temperature range, with minimums dipping to -1°C (31°F) and maximums reaching up to 30°C (86°F), making it a month of considerable variability that can catch residents off guard. The average temperature sits at a cool 12°C (55°F), accompanied by 82 mm (3.2 in) of precipitation over 14 days and humidity levels around 81%.

In contrast, June brings a more stable warmth, with minimum temperatures rising to 5°C (42°F) and maximums climbing slightly higher to 32°C (90°F) while averaging 17°C (63°F). Although precipitation increases slightly to 84 mm (3.3 in) over 13 days, the humidity remains similar at 82%. For more detailed insights about June's climate, visit Sainte-Marie-sur-Semois weather in June.

In May, temperatures in Sainte-Marie-sur-Semois fluctuate from a chilly low of -1°C (31°F) to a warm high of 30°C (86°F), with an average temperature of 12°C (55°F). This month experiences substantial rainfall, totaling 82 mm (3.2 in) over 14 days, and maintains a humid atmosphere at 81%.

In contrast, July showcases a milder temperature range, with minimums of 7°C (45°F) and maximums reaching a sweltering 37°C (99°F), averaging 18°C (65°F). Rainfall is slightly less at 73 mm (2.9 in) across 11 days, and humidity remains high at 82%.

For a detailed look at July's weather in this region, check out Sainte-Marie-sur-Semois weather in July.

May and August present distinct weather profiles, showcasing the transition from spring to late summer. In May, temperatures range from a chilly minimum of -1°C (31°F) to a comfortable maximum of 30°C (86°F), with an average of 12°C (55°F). The month sees a fair amount of precipitation at 82 mm (3.2 in) over 14 days, accompanied by high humidity levels at 81%. In contrast, August experiences a milder minimum temperature of 5°C (42°F) and an average high of 35°C (95°F), resulting in an overall warmer average of 18°C (65°F). While precipitation decreases slightly to 71 mm (2.8 in) over 15 days, humidity remains similar at 80%. For a closer look at the weather specifically in August, check out Sainte-Marie-sur-Semois weather in August.

May and September showcase distinct weather patterns, each with its own charm. In May, temperatures range from a chilly -1°C (31°F) at night to a warm 30°C (86°F) during the day, with an average of 12°C (55°F). This month experiences significant rainfall, with about 82 mm (3.2 in) over 14 days and a humidity level of 81%. In contrast, September brings slightly warmer nights with a minimum of 3°C (38°F) and daily highs reaching up to 33°C (91°F), averaging at 14°C (58°F). Precipitation decreases to 73 mm (2.9 in) over just 10 days, while humidity rises slightly to 83%. For a closer look at September conditions, check Sainte-Marie-sur-Semois weather in September.

May and October offer distinct weather experiences. In May, temperatures range from a chilly minimum of -1°C (31°F) to a warm maximum of 30°C (86°F), with an average of 12°C (55°F). The month features about 82 mm (3.2 in) of precipitation over 14 days, and humidity hovers around 81%. In contrast, October sees a slightly milder temperature range, with a minimum of 1°C (33°F), an average of 10°C (51°F), and a maximum of 24°C (75°F). With 95 mm (3.8 in) of precipitation across 13 days and higher humidity at 89%, October tends to feel more damp. For a closer look at October weather specifics, you can check out Sainte-Marie-sur-Semois weather in October.

May and November present contrasting weather experiences. In May, temperatures can range from a brisk -1°C (31°F) at night to a warm 30°C (86°F) during the day, with an average of 12°C (55°F). The month sees an average humidity of 81% and about 82 mm (3.2 in) of rain over 14 days. In contrast, November is notably cooler, with minimum temperatures dipping to -4°C (26°F) and a max of 18°C (65°F), averaging just 5°C (42°F). The month is slightly drier, with 79 mm (3.1 in) of precipitation across 13 days, and a higher humidity level of 91%. For more insights into November weather, visit Sainte-Marie-sur-Semois weather in November.

May and December weather in Sainte-Marie-sur-Semois showcase a striking contrast in temperature and precipitation patterns. In May, temperatures range from a pleasant minimum of -1°C (31°F) to a warm maximum of 30°C (86°F), with an average of 12°C (55°F). This month sees moderate precipitation at 82 mm (3.2 in) over about 14 days, with humidity levels at 81%. Conversely, December experiences colder conditions, with temperatures dropping to a minimum of -5°C (23°F) and a maximum of only 14°C (57°F), averaging just 3°C (38°F). The month is wetter than May, accumulating 149 mm (5.9 in) of precipitation across 20 days, alongside higher humidity at 93%. For a more detailed look at typical conditions in December, check out Sainte-Marie-sur-Semois weather in December.

Compare Sainte-Marie-sur-Semois's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Sainte-Marie-sur-Semois

As May unfolds in Sainte-Marie-sur-Semois, inhabitants and visitors can finally bid farewell to the lingering chill of winter and welcome the warm embrace of spring. The weather in May offers a delightful contrast to the colder months, with temperatures rising significantly, showcasing a vibrant mix of mild days and cool nights. Although May does bring its fair share of rain, with several days of precipitation, the air is fresh and infused with the scent of blooming nature, thanks to a humidity level that keeps everything lush. For those curious to explore the full spectrum of climate patterns in this charming region, you can learn more about it here: Sainte-Marie-sur-Semois Climate.