May Weather in Chimay, Belgium

Last updated: August 21, 2025

In Chimay, Belgium, May presents a delightful blend of mild temperatures and refreshing rainfall, making it a captivating month for locals and visitors alike. With maximum temperatures reaching up to 30°C (86°F) and a comfortable average of 13°C (55°F), the days are warm, albeit with some cooler moments, as minimum temperatures can drop to 0°C (32°F). The month typically sees about 78 mm (3.1 in) of precipitation spread over 14 days, contributing to a high humidity level of 82% that envelops the region in a refreshing embrace. This dynamic climate invites outdoor exploration and showcases the enchanting beauty of springtime in Chimay.

May Temperature in Chimay

May in Chimay, Belgium, marks a vibrant transition from the lingering chill of spring to the warmth of early summer. With temperatures ranging from a brisk 0°C (32°F) at night to a delightful 30°C (86°F) during the day, this month showcases a notable uptick in warmth compared to previous months. The average temperature rises to a comfortable 13°C (55°F), inviting outdoor activities and blooming landscapes. As the longer days unfold, the contrast from the previous months highlights a shift towards balmy afternoons and cooler evenings, setting the stage for a delightful experience in this picturesque town. Whether you’re exploring its rich culture or enjoying the lush scenery, May's temperatures create an inviting atmosphere that beckons both locals and travelers alike.

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

The chart illustrates May temperature patterns in Chimay, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Chimay, 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).
JanFebMarAprMayJunJulAugSepOctNovDec374044495563656559524340
Data source: Temperature data for Chimay 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 Chimay

May in Chimay, Belgium, brings a moderate level of rainfall, with 78 mm (3.1 in) of precipitation spread over 14 days. This is a notable increase from the drier April, which recorded only 47 mm (1.9 in) across 9 days. As spring continues to unfold, May's rainfall contributes to the lush greenery, a prelude to the vibrant summer months. Interestingly, this pattern of rainfall seems to echo the wetter January and February periods, which seen higher totals of 83 mm (3.3 in) and 86 mm (3.4 in) respectively. While May is slightly drier than the early months of the year, it still plays a crucial role in maintaining the region’s picturesque landscapes.

May Precipitation Trends in Chimay

The chart displays monthly precipitation patterns in Chimay, 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 Chimay, May typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec83869347787172856510074131
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

May Humidity in Chimay

In Chimay, Belgium, May marks a subtle shift in humidity, with levels dipping to 82%—the lowest since January. This gradual decline from 91% in January to 84% in April illustrates a trend towards drier conditions as spring transitions into summer. Following May, humidity levels remain stable at 82% in June before experiencing a gradual decrease throughout the summer months. The typical dampness of the earlier part of the year gives way to more comfortable days, inviting residents and visitors alike to embrace the outdoors as the vibrant colors of spring bloom.

May Average Humidity in Chimay

This chart illustrates the average monthly humidity levels in Chimay, 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 Chimay is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%89%86%84%83%83%80%76%81%88%92%93%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Chimay

As spring transitions into summer, May in Chimay, Belgium, brings a notably high UV Index of 8, categorizing it as very high and significantly increasing the risk of sunburn with a reduced safe exposure time of just 15 minutes. This sharp rise follows April's UV Index of 6, reflecting a trend of intensifying sun exposure as the year progresses. While winter months remain in the low exposure category, the onset of May signals a need for increased sun protection as outdoor activities become more frequent. It’s essential to stay informed about UV levels to safeguard your skin health—check the daily updates at Chimay UV Index.

Maximum UV Index Levels in Chimay for May

The chart shows the monthly maximum UV Index (UVI) for Chimay 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 Chimay typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec234688875421
Data source: Chimay 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 Chimay

In Chimay, Belgium, the arrival of May ushers in a notable increase in sunshine, illuminating the landscape with 388 hours of radiant light. This sunny month marks a peak in the gradual upward trend from the bleak winter months; January starts at a mere 110 hours of sunshine, steadily climbing throughout the spring. By the time April rolls around, residents enjoy 342 hours of bright days, setting the stage for May's vibrant, sun-filled days. June continues this sunny trajectory with 402 hours, showing that the warmth is just beginning as summer approaches. The data reflects a beautifully consistent trend: as spring blossoms into summer, Chimay basks in a splendid embrace of sunlight, inviting both locals and visitors to enjoy the outdoors.

Monthly Sunshine Duration in Chimay: May Highlighted

The May sunshine duration represents the total number of hours Chimay 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.
JanFebMarAprMayJunJulAugSepOctNovDec110h184h252h342h388h402h404h379h317h243h180h124h
Data source: Chimay May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Chimay During May

In Chimay, Belgium, the likelihood of sunny weather exhibits a distinct seasonal trend. As the year progresses from January to April, there is a steady increase in the chances of sunshine, peaking at 54% in April. However, in May, this figure dips to 33%, indicating a slight decline as spring gives way to early summer. This fluctuation highlights the unpredictable nature of weather in this region, where the sunny days of May can be delightful yet should not be taken for granted, as the potential for overcast skies returns in June. Overall, while there’s a promising increase in sunshine from winter to spring, the month of May serves as a reminder of the capriciousness of Belgian weather.

Percentage of Sunny Days in May in Chimay

The chart illustrates the percentage of sunny days in Chimay 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 Chimay experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec9%28%41%54%33%31%31%27%37%33%21%18%
Data source: Chimay May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Chimay in May

In Chimay, Belgium, the transition from winter to summer is beautifully mirrored in the steady increase of daylight duration. Starting the year with a modest 8 hours in January, residents experience a gradual ascent through the months, with February bringing 10 hours and March extending it to 11 hours. By April, the daylight reaches 13 hours, signaling the approach of longer, sun-drenched days. May marks a delightful peak with 15 hours of daylight, before the summer solstice in June offers a generous 16 hours of sunshine. As summer wanes, daylight begins to recede, tapering to 15 hours in July and 14 hours in August, ultimately settling back to 12 hours in September. This rhythmic ebb and flow continues into the colder months, where daylight shrinks once again to 8 hours by December. This enchanting cycle not only affects daily life in Chimay but also deeply influences the mood and activities of its community throughout the year.

Average Daylight Hours in Chimay for May

The chart illustrates the variation in daylight duration in Chimay throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 36m10h 5m11h 55m13h 48m15h 26m16h 17m15h 50m14h 22m12h 33m10h 41m9h 1m8h 8m
Data source: Chimay daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Chimay

In Chimay, Belgium, May marks a notable revival in wind speeds, averaging 4.5 m/s (10 mph), a refreshing change after the gentle breezes of April. This year, May's winds echo a transition from the quieter months of winter and early spring, particularly highlighted by April's low average of 3.7 m/s (8 mph). As the temperatures warm and nature flourishes, May's winds not only invigorate the landscape but also hint at the breezy summer months ahead. This uptick in wind speed continues into October, suggesting a seasonal oscillation that peaks in spring and autumn, while the summer months experience a notable lull. Thus, May serves as a bridge between the calmer days of spring and the dynamic winds of autumn, capturing the essence of changing seasons in Chimay.

Average May Wind Speed in Chimay

The chart displays monthly wind speed patterns in Chimay, 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.
JanFebMarAprMayJunJulAugSepOctNovDec4.34.74.23.74.5 m/s3.03.73.53.04.33.44.2
Data source: Chimay May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Chimay Compares to Other Months

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

In comparing the weather of May and January, we see a significant contrast in temperatures and overall climate conditions. May typically experiences milder temperatures, with minimums of 0°C (32°F) and maximums reaching up to 30°C (86°F), while January's temperatures can drop as low as -8°C (19°F) with highs only reaching 13°C (55°F). Both months have similar levels of precipitation, with May receiving 78 mm (3.1 in) across about 14 days, compared to January's 83 mm (3.3 in) over 13 days. Additionally, January tends to be more humid, with an average humidity of 91%, in contrast to May's 82%. For a more detailed look at the January weather conditions, you can visit Chimay weather in January.

When comparing the weather in May and February, it’s clear that May tends to be significantly warmer, with temperatures ranging from a minimum of 0°C (32°F) to a maximum of 30°C (86°F) and an average of 13°C (55°F). In contrast, February is much cooler, featuring a minimum temperature of -9°C (16°F) and a maximum of 19°C (66°F), with an average of only 4°C (40°F). Both months experience similar levels of precipitation, with May recording 78 mm (3.1 in) and February slightly higher at 86 mm (3.4 in), but February has a higher humidity level at 89% compared to May's 82%. For more detailed information about February weather, you can check Chimay weather in February.

When comparing the weather in May and March, it's clear that May tends to be milder and warmer. In May, temperatures range from a minimum of 0°C (32°F) to a maximum of 30°C (86°F), with an average of 13°C (55°F). Meanwhile, March experiences chillier conditions, with temperatures ranging from a low of -10°C (14°F) to a high of 22°C (72°F) and an average of 7°C (44°F). Both months see a fair amount of precipitation, with May receiving 78 mm (3.1 in) over 14 days, slightly less than March's 93 mm (3.7 in) across 15 days. Humidity levels are also relatively high, at 82% in May compared to 86% in March. For more details on March's weather, check out Chimay weather in March.

In comparing the weather between April and May, we notice a distinct warming trend as spring progresses. May features a wider temperature range, with minimums at 0°C (32°F), average temperatures rising to 13°C (55°F), and maximums reaching up to 30°C (86°F). In contrast, April's temperatures are cooler, with a minimum of -3°C (26°F), an average of 9°C (49°F), and a maximum of only 26°C (78°F). Precipitation also differs, with May receiving 78 mm (3.1 in) over 14 days compared to April's 47 mm (1.9 in) spread across 9 days. Humidity levels are similar, albeit slightly lower in May at 82% versus April's 84%. For more information on April weather specifics, you can visit Chimay weather in April.

May and June display a noticeable shift in weather patterns. In May, temperatures range from a low of 0°C (32°F) to a high of 30°C (86°F), with an average of 13°C (55°F). This month also sees about 78 mm (3.1 in) of precipitation over 14 days, maintaining a consistent humidity level of 82%. In contrast, June offers slightly warmer conditions, with minimum temperatures at 5°C (42°F) and maximums reaching 32°C (90°F), resulting in an average of 17°C (63°F). The precipitation decreases to 71 mm (2.8 in) over 11 days, while humidity remains unchanged at 82%. For further details, you can check Chimay weather in June.

In May, temperatures range from a chilly 0°C (32°F) to a warm 30°C (86°F), with an average of 13°C (55°F). The month sees around 78 mm (3.1 in) of precipitation over 14 days, coupled with high humidity at 82%. In contrast, July experiences significantly warmer conditions, with temperatures between 8°C (46°F) and a peak of 38°C (101°F), averaging 18°C (65°F). Precipitation drops slightly to 72 mm (2.8 in) over 11 days, and humidity remains relatively high at 80%. For more details, check Chimay weather in July.

May and August present notably different weather patterns. In May, temperatures range from a chilly 0°C (32°F) at night to a warm average of 13°C (55°F), peaking at 30°C (86°F) during the day. This month is characterized by higher humidity at 82% and frequent rainfall, with precipitation recorded on 14 days totaling 78 mm (3.1 in). In contrast, August brings warmer nights with a minimum temperature of 6°C (43°F) and a pleasant average of 18°C (65°F), soaring up to a sweltering maximum of 37°C (98°F). Despite only slightly more precipitation at 85 mm (3.3 in) over the same number of rainy days, the humidity decreases to 76%, giving August a more comfortable feel. For a closer look at August conditions, check out Chimay weather in August.

When comparing May and September, one can observe notable differences in temperature and precipitation. May features a temperature range from a chilly 0°C (32°F) to a warm 30°C (86°F), with an average of 13°C (55°F). This month also experiences relatively high precipitation, averaging 78 mm (3.1 in) over 14 days, contributing to a humidity level of 82%. In contrast, September has a slightly milder temperature range, with minimums at 3°C (37°F) and maximums reaching 32°C (91°F), coupled with an average of 15°C (59°F). The precipitation in September is less, tallying at 65 mm (2.5 in) over just 10 days, and the humidity is slightly lower at 81%. For further insights into the weather conditions, you can check out Chimay weather in September.

May and October present distinct weather profiles, with May generally warmer and sunnier. In May, temperatures range from a minimum of 0°C (32°F) to a maximum of 30°C (86°F), with an average temperature of 13°C (55°F) and relatively high humidity at 82%. The month experiences around 78 mm (3.1 in) of precipitation over approximately 14 days. In contrast, October sees cooler temperatures, with a minimum of 1°C (34°F) and a maximum of 24°C (76°F), averaging 11°C (52°F). It also features increased precipitation, totaling about 100 mm (3.9 in) over the same number of rainy days while humidity levels rise slightly to 88%. For more details, check out Chimay weather in October.

In May, the weather showcases a wider range of temperatures, with highs reaching up to 30°C (86°F) and an average of 13°C (55°F), making it a pleasant spring month. However, May experiences higher humidity at 82% and more rainfall, with about 78 mm (3.1 in) spread over 14 days. In contrast, November brings cooler temperatures, with averages dipping to 6°C (44°F) and highs peaking at 18°C (64°F), while the minimum can drop to -3°C (28°F). Despite lower total precipitation at 74 mm (2.9 in) over 12 days, the humidity remains high at 92%. For more details on November's climate, check Chimay weather in November.

In May, temperatures in Chimay range from a minimum of 0°C (32°F) to a pleasant average of 13°C (55°F), peaking at a comfortable 30°C (86°F). The month sees about 78 mm (3.1 inches) of precipitation spread over 14 days, with humidity levels averaging around 82%. In contrast, December presents a much cooler environment, with temperatures dropping to a minimum of -4°C (25°F) and an average of just 4°C (40°F), reaching a maximum of 14°C (57°F). The month also experiences higher precipitation, totaling 131 mm (5.1 inches) over 18 days, with humidity levels increasing to 93%. For more information on what to expect during this time, check out Chimay weather in December.

Compare Chimay's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Chimay

In May, Chimay transitions into a vibrant spring, characterized by its pleasant temperatures that mark a shift from the cooler winter months. With an average of 13°C, days can reach up to a warm 30°C, inviting outdoor activities, yet the chill at night reminds us of the region's fluctuating climate. Humidity levels hover at 82%, adding a lush feel to the air, while precipitation punctuates the month with around 14 rainy days, ensuring greenery thrives. This combination of warm days and refreshing showers makes May a unique time in Chimay, blending spring's awakening with the remnants of winter's coolness. For more detailed insights, visit Chimay Climate.