August Weather in Mechelen, Belgium

Last updated: August 21, 2025

Experience the dynamic climate of Mechelen, Belgium in August, where temperatures can soar to a sizzling 36°C (96°F), while the average hovers around a comfortable 19°C (67°F). Nighttime brings cooler air, with temperatures dipping to a refreshing 8°C (47°F). This month sees a total precipitation of 74 mm (2.9 in) spread over 13 days, contributing to a high humidity level of 76%. Whether you're basking in the sunshine or enjoying the refreshing rain, August in Mechelen offers a captivating blend of weather experiences.

August Temperature in Mechelen

In August, Mechelen experiences a delightful culmination of summer warmth, with temperatures showcasing a range from a comfortable 8°C (47°F) at night to a sizzling 36°C (96°F) during the day. The average temperature hovers around 19°C (67°F), offering perfect conditions for enjoying outdoor activities and exploring the city's vibrant culture. Unlike the preceding months, where July reached its peak at 39°C (103°F), August balances the heat with slightly more manageable highs, making it a sweet spot for both locals and visitors. As summer wanes, the gradual cool-down toward September hints at the transition into autumn, but for now, the warm and inviting atmosphere of August makes Mechelen a charming destination to soak up the sun.

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

The chart illustrates August 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, August 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.
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The average of daily temperatures (24 hours) calculated across all days in the month.

August Precipitation in Mechelen

In August, Mechelen experiences a notable uptick in precipitation, with 74 mm (2.9 in) of rainfall accumulated over 13 days. This marks a slight increase from July's 71 mm (2.8 in), highlighting a trend towards wetter conditions as summer transitions into autumn. The month stands out not only for its precipitation amount but also for its frequency of rainy days, which is consistent with the wetter patterns observed in the previous months. As this season unfolds, August sets the stage for September's comparatively drier average of 50 mm (2.0 in), indicating a gradual shift in the climate narrative as the year progresses.

August Precipitation Trends in Mechelen

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

In Mechelen, Belgium, August marks a notable shift in humidity, dropping to 76%—the lowest level of the year. This decline reflects a gradual decrease from the wetter months of early summer, where humidity hovered around 80% in July. As the warmer days of summer transition into the cooler autumn air, Mechelen experiences a refreshing respite, preparing for the rise back to 82% in September. The changing humidity levels throughout the year illustrate a pattern of increasing moisture in the colder months, with December and November reaching heights of 92%, reminding residents of the region’s typically humid climate.

August Average Humidity in Mechelen

This chart illustrates the average monthly humidity levels in Mechelen, with August’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In August, 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 August generated using information from the Copernicus Climate Change Service.

August UV Index in Mechelen

In August, Mechelen, Belgium, experiences a high UV Index of 7, indicating that while the sun is strong, it's not at its peak intensity. This follows a sizzling July, also marked by a UV Index of 8, where sunbathers had to be particularly cautious with a burn time as short as 15 minutes. As summer winds down, the burn time extends to 25 minutes, providing a bit more leeway for outdoor activities while still requiring sun protection. This trend mirrors the overall pattern in Mechelen, where UV exposure escalates from the low levels of winter into the high and very high categories of summer months. For a detailed breakdown of UV levels throughout the year, visit Mechelen UV Index.

Maximum UV Index Levels in Mechelen for August

The chart shows the monthly maximum UV Index (UVI) for Mechelen in August, 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 August, the maximum UV index in Mechelen typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec124578875321
Data source: Mechelen August 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.

August Sunshine in Mechelen

In Mechelen, Belgium, August greets you with a generous 383 hours of sunshine, a delightful continuation of the summer's warm embrace. As the year unfolds, sunlight peaks in mid-summer, with July basking in an impressive 411 hours, before gradually diminishing into the autumn months. This increase from the winter months—where January starts with just 120 hours—illustrates a clear trend of rising sunlit days, culminating in the vibrant late spring and summer. While September sees a dip to 320 hours, the lingering warmth of August carries the season's joy just a little longer, inviting residents and visitors alike to savor the golden illumination before the days shorten.

Monthly Sunshine Duration in Mechelen: August Highlighted

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

Chance of Sun in Mechelen During August

In Mechelen, Belgium, the likelihood of enjoying sunny weather in August stands at 31%, a modest figure that reflects a slight dip from the sunnier days of April and aligns closely with the overcast tendencies of early spring and autumn months. Following the peak of summer in July, where sunny days are at their highest alongside a 34% chance, August ushers in a subtle shift towards a cooler, cloudier season, reminiscent of September’s 34% likelihood. This trend highlights how the summer warmth gradually gives way to the expressive hues of fall, making August a bittersweet transition but still ripe with potential for some sun-soaked moments.

Percentage of Sunny Days in August in Mechelen

The chart illustrates the percentage of sunny days in Mechelen throughout the year, with August 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 August chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Mechelen in August

As summer draws to a close in Mechelen, Belgium, August typically boasts 14 hours of daylight, a slight dip from the peak of 16 hours observed in June and July. This gradual reduction in daylight signals the transition into autumn, yet still allows ample time for outdoor activities and enjoying the lingering warmth. Compared to the shorter winter days that offer only 8 hours of daylight in January, August remains vibrant and lively, contributing to the region's bustling summer atmosphere. Following August, daylight continues to wane, with September bringing a more noticeable decrease to 12 hours, as nature begins to prepare for the cooler months ahead.

Average Daylight Hours in Mechelen for August

The chart illustrates the variation in daylight duration in Mechelen throughout the year, with August 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.

August Winds in Mechelen

August in Mechelen, Belgium, brings a gentle breeze with an average wind speed of 3.2 m/s (7 mph), which mirrors the calm of July. As summer draws to a close, the winds remain relatively consistent, reflecting a notable dip in June's breezier days. Over the year, the wind speeds typically rise in the colder months, with January and October boasting the highest gusts at 4.2 m/s (9 mph), while the summer months tend to feature softer winds. This trend culminates in August, where the serene winds provide a pleasant backdrop to the fading summer, inviting residents and visitors alike to enjoy the charm of Mechelen before the brisk fall temperatures set in.

Average August Wind Speed in Mechelen

The chart displays monthly wind speed patterns in Mechelen, with values for each month shown alongside August's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how August's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec4.24.33.83.34.12.73.23.2 m/s2.94.13.23.9
Data source: Mechelen August wind data, generated using information from the Copernicus Climate Change Service.

How August 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 August’s weather to other months in Mechelen, focusing on differences in temperature, rainfall, humidity, and UV levels.

August and January present stark contrasts in weather. In August, temperatures range from a mild 19°C (67°F) to a scorching max of 36°C (96°F), with an average humidity of 76% and 74 mm of precipitation over 13 days. In contrast, January brings a much colder climate, with average temperatures hovering around 4°C (40°F) and a maximum of only 14°C (58°F), while experiencing a chilly minimum of -6°C (21°F). Precipitation in January is slightly lower at 62 mm across 11 days, accompanied by a high humidity level of 91%. For more details, check out Mechelen weather in January.

When comparing the weather in August and February, distinct contrasts emerge. August features a wider temperature range with minimums of 8°C (47°F) and maximums reaching up to 36°C (96°F), while February’s temperatures are significantly colder, with lows of -9°C (16°F) and highs peaking at 19°C (66°F). Precipitation is relatively close between the two months, with August receiving 74 mm (2.9 in) over 13 days and February slightly less at 67 mm (2.6 in) over 12 days. Additionally, August’s humidity sits at 76%, while February experiences a higher humidity level of 89%, contributing to its chillier feel. For more detailed weather insights specific to February, visit Mechelen weather in February.

In comparing the weather of August and March, it’s evident that August tends to be significantly warmer, with average temperatures around 19°C (67°F) and maximum highs reaching up to 36°C (96°F). In contrast, March experiences cooler conditions, with average temperatures of 7°C (46°F) and maximums peaking at 23°C (74°F). Despite both months having similar precipitation levels and the same number of rainy days (13), August has lower humidity at 76%, whereas March boasts a higher humidity of 87%. For a more detailed look at March weather, you can visit Mechelen weather in March.

When comparing the weather between April and August, notable differences emerge in temperature and precipitation. August typically boasts a much warmer climate, with average temperatures reaching 19°C (67°F) and maxima soaring up to 36°C (96°F), while April features cooler averages of 10°C (51°F) and peaks at 28°C (82°F). In terms of humidity, April is slightly more humid at 85%, compared to August's 76%. Furthermore, August receives more precipitation, with 74 mm (2.9 in) spread over 13 days, while April sees only 35 mm (1.4 in) across 7 days, indicating a drier month. For more detailed insights, you can explore Mechelen weather in April.

When comparing the weather in August and May, significant differences are evident. August typically sees a broader temperature range, with nighttime lows around 8°C (47°F) and daytimes reaching as high as 36°C (96°F), leading to an average temperature of 19°C (67°F). In contrast, May experiences cooler temperatures, with lows of 1°C (34°F) and highs reaching 32°C (89°F), resulting in an average of 14°C (57°F). Precipitation is slightly higher in August at 74 mm (2.9 in) over 13 days, compared to May's 57 mm (2.3 in) over 12 days. Despite August being more humid at 76%, May's humidity is also notable at 82%. For a closer look at weather specifics during this time, check Mechelen weather in May.

When comparing the weather in August and June, both months display mild minimum temperatures, starting at 8°C (47°F) in August and 8°C (46°F) in June. However, August typically experiences warmer average temperatures of 19°C (67°F) compared to June's 18°C (65°F), with peak temperatures reaching 36°C (96°F) in August versus a maximum of 33°C (92°F) in June. Precipitation levels also differ slightly; August sees 74 mm (2.9 in) over 13 days, while June has 64 mm (2.5 in) spread across 9 days. Humidity is notably higher in June at 82%, compared to 76% in August. For more detailed insights, you can explore Mechelen weather in June.

In comparing the weather conditions between August and July, we see some interesting similarities and differences. Both months feature a minimum temperature of 8°C (47°F) and an average of 19°C (67°F). However, July tends to be slightly warmer, with a maximum temperature reaching 39°C (103°F), while August peaks at 36°C (96°F). Precipitation levels are fairly comparable, with July experiencing 71 mm (2.8 in) over 10 days, just a bit less than August's 74 mm (2.9 in) over 13 days. Humidity is notably higher in July at 80%, compared to August's 76%. For more detailed information, you can check Mechelen weather in July.

August and September both present distinct weather patterns. In August, temperatures range from a minimum of 8°C (47°F) to a maximum of 36°C (96°F), with an average of 19°C (67°F). The month typically experiences 74 mm (2.9 inches) of precipitation over about 13 days, all under a humidity level of 76%. In contrast, September sees cooler temperatures, with a minimum of 4°C (39°F), an average of 16°C (60°F), and a maximum of 33°C (93°F). The precipitation decreases to 50 mm (2.0 inches) spread over 9 days, while humidity rises slightly to 82%. For a detailed look into September’s weather, you can visit Mechelen weather in September.

In August, the weather is typically warmer, with temperatures ranging from a minimum of 8°C (47°F) to a maximum of 36°C (96°F) and an average of 19°C (67°F). With a humidity level of 76% and 74 mm of rainfall over 13 days, August can feel quite muggy despite the heat.

In contrast, October sees a notable drop in temperatures, with minimums dipping to 2°C (35°F) and an average of 13°C (55°F), peaking at a comfortable 26°C (79°F). The humidity rises to 89%, and while precipitation increases slightly to 77 mm over 12 days, the cooler temperatures create a distinctly different atmosphere. For more detailed insights into October conditions, check out Mechelen weather in October.

August and November present contrasting weather experiences. In August, temperatures range from a minimum of 8°C (47°F) to a maximum of 36°C (96°F), with an average of 19°C (67°F). The month sees an average precipitation of 74 mm (2.9 in) over approximately 13 days, accompanied by a humidity level of 76%. In stark contrast, November features a chillier climate, with temperatures ranging from a minimum of -3°C (28°F) to a maximum of 19°C (66°F) and an average temperature of 7°C (46°F). Precipitation in November is lower, at 53 mm (2.1 in) over about 10 days, but the humidity rises to a notable 92%. For a more detailed look into November's weather, you can visit Mechelen weather in November.

In August, the weather tends to be warm, with temperatures ranging from a minimum of 8°C (47°F) to a maximum of 36°C (96°F) and an average of 19°C (67°F). This month experiences approximately 74 mm (2.9 in) of rainfall over 13 days, along with a moderate humidity level of 76%. In contrast, December brings a significant drop in temperature, with a minimum of -5°C (23°F), an average of 6°C (42°F), and a maximum of 15°C (60°F). The month is slightly wetter, with 88 mm (3.5 in) of precipitation spread over 16 days and higher humidity at 92%. For more specifics on December weather, check out Mechelen weather in December.

Compare Mechelen's Climate with Cities Worldwide

Conclusion: What to Expect From August Weather in Mechelen

August in Mechelen stands out with its warm temperatures and increased humidity, often reaching maximums of 36°C (96°F) that create a distinctive summer atmosphere. While the average temperature hovers around 19°C (67°F), the nights can cool down considerably, dipping to 8°C (47°F), giving August a unique blend of heat and refreshment. Despite experiencing 13 days of rainfall totaling 74 mm (2.9 in), this month typically sees a vibrant landscape flourishing from the summer's warmth and moisture. This combination of warmth and occasional rain sets August apart from other months, making it an ideal time for outdoor activities and exploring the lush surroundings. For more details on the climate patterns, check out Mechelen Climate.