August Weather in Namur, Belgium

Last updated: August 21, 2025

Experience the vibrant August weather in Namur, Belgium, where temperatures can soar to a striking maximum of 36°C (97°F), making for warm summer days. With an average temperature of 18°C (66°F), this month offers a pleasant mix of warmth and mild evenings, while nighttime lows can dip to a brisk 7°C (44°F). The region sees a precipitation total of 89 mm (3.5 in) spread over 14 days, enriching the landscape and keeping the air humid at 76%, contributing to the lush greenery that defines Namur. Whether basking in the sun or savoring the refreshing rain, August is an ideal time to explore the natural beauty and cultural heritage of this charming Belgian city.

August Temperature in Namur

August in Namur, Belgium, showcases a delightful end to summer, with temperatures displaying a warm embrace before the cooler months set in. The month sees a minimum of 7°C (44°F), maintaining a comforting average of 18°C (66°F), and peaks with impressive highs reaching 36°C (97°F). This slight dip in the minimum compared to July’s warmth suggests a gradual transition, yet the enticing maximum still allows for plenty of sun-soaked days. As August progresses, Namur enjoys a vibrant mix of warmth and occasional breezes, making it an ideal time for outdoor activities and soaking up the last rays of summer.

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

The chart illustrates August temperature patterns in Namur, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Namur, 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).
JanFebMarAprMayJunJulAugSepOctNovDec384144495664656559534441
Data source: Temperature data for Namur 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 Namur

In August, Namur experiences a notable increase in precipitation, with 89 mm (3.5 in) of rain spread across 14 days. This marks a significant rise from the previous months, reflecting a trend often seen as summer transitions into early autumn. The lush greenery of the region thrives during this time, benefiting from the abundant moisture. Compared to July's 77 mm and 10 rainy days, August stands out as a wetter month, often heralding the onset of a cooler, more dynamic weather pattern. As such, residents and visitors alike can expect a vibrant landscape fostered by this month of abundant rainfall.

August Precipitation Trends in Namur

The chart displays monthly precipitation patterns in Namur, 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 Namur, August typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec6973774267787789658660105
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Namur

In Namur, Belgium, August brings a notable drop in humidity, dipping to 76%—the lowest level of the year. This decrease marks a significant shift from the high humidity levels seen in the earlier months, where January starts at a humid 91% and gradually decreases throughout the spring and summer. The trend indicates a gradual decline that culminates in August, leading into a rise again in September. While humidity in Namur can be quite high in the colder months, with averages of 92% in November and December, August offers a brief reprieve, making it a more comfortable month for outdoor activities. Such fluctuations in humidity not only influence the local climate but also shape the seasonal experiences for residents and visitors alike.

August Average Humidity in Namur

This chart illustrates the average monthly humidity levels in Namur, 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 Namur 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 Namur

In Namur, Belgium, the UV Index trends exhibit a notable shift throughout the year, reflecting the changing seasons. As winter fades away, the index gradually rises, reaching high levels in late spring, peaking at 8 in both June and July, indicating very high exposure risk. By August, the UV Index slightly drops to 7, maintaining a high exposure category with a burn time of just 25 minutes. This trend highlights the importance of sun protection during the summer months, especially as daylight hours extend. As autumn approaches, the UV Index begins its descent back to moderate levels, underscoring the seasonal variations in UV exposure. For more detailed insights, visit Namur UV Index.

Maximum UV Index Levels in Namur for August

The chart shows the monthly maximum UV Index (UVI) for Namur 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 Namur typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec234578875421
Data source: Namur 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 Namur

In Namur, Belgium, the sun shines brightest during the summer months, with August basking in a generous 379 hours of sunlight. This marks a slight decline from the peak of 401 hours in July, yet it still stands as a testament to the vibrant summer season. As the year progresses, daylight hours gradually diminish, starting from a modest 115 hours in January and culminating in the crisp 239 hours of October. Interestingly, the city experiences a steady rise in sunshine from the lengthy days of spring, peaking in mid-summer, and then gracefully tapering off into the cozy autumn months. The rhythmic dance of sunlight in Namur not only highlights its captivating climate but also punctuates the seasons with a warm, inviting glow that residents and visitors alike cherish.

Monthly Sunshine Duration in Namur: August Highlighted

The August sunshine duration represents the total number of hours Namur 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.
JanFebMarAprMayJunJulAugSepOctNovDec115h196h262h342h392h400h401h379h318h239h183h129h
Data source: Namur August Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Namur During August

In August, Namur experiences a 28% chance of sunny weather, a slight dip from the peak sun-filled days of late spring and early summer. As the summer progresses, the likelihood of sunshine begins to wane, transitioning from a robust 49% in April to this lower percentage in August. This trend reflects a common pattern in the region, where months like June and July hover around 31% to 32%, suggesting that while August may not boast the sunniest days, it remains a pleasant month for outdoor activities. As summer gives way to autumn, the chances of clear skies fluctuate, but August still holds its own with a respectable share of sunny moments.

Percentage of Sunny Days in August in Namur

The chart illustrates the percentage of sunny days in Namur 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 Namur experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec9%30%39%49%33%31%32%28%36%31%23%15%
Data source: Namur August chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Namur in August

In Namur, Belgium, August marks the tail end of summer, offering approximately 14 hours of daylight, a slight decline from the peak of 16 hours in June. As the year progresses, the days gradually shorten, with August providing a golden opportunity to enjoy the lingering summer light before the onset of autumn. This month finds itself nestled between the vibrant long days of June and July and the cooler, shorter days of September, making it a prime time for outdoor activities. As the seasons transition, you can witness the decreasing daylight, a reminder that the lush summer days are gradually giving way to the more subdued hues of fall.

Average Daylight Hours in Namur for August

The chart illustrates the variation in daylight duration in Namur throughout the year, with August highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 32m10h 3m11h 55m13h 50m15h 29m16h 21m15h 54m14h 24m12h 33m10h 39m8h 57m8h 3m
Data source: Namur daylight hours, calculated by summing the hours between sunrise and sunset for each day.

August Winds in Namur

In Namur, Belgium, August brings a gentle breeze, with average wind speeds of 3.4 m/s (8 mph), mirroring the calm atmosphere of summer winding down. This trend of moderate winds persists from the previous month, July, which also recorded the same speed, creating a serene and pleasant backdrop for outdoor activities. As the year progresses, the wind picks up again in September and October, averaging 2.9 m/s (7 mph) and 4.4 m/s (10 mph) respectively, indicating a shift towards more dynamic conditions as autumn approaches. Overall, August marks a transitional phase with consistent breezes, inviting locals and visitors alike to enjoy the last warm days of summer before the seasonal change takes hold.

Average August Wind Speed in Namur

The chart displays monthly wind speed patterns in Namur, 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.
JanFebMarAprMayJunJulAugSepOctNovDec4.44.64.13.44.52.83.53.4 m/s2.94.43.44.2
Data source: Namur August wind data, generated using information from the Copernicus Climate Change Service.

How August Weather in Namur Compares to Other Months

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

August and January present stark contrasts in weather. August boasts much warmer temperatures, with a range from a chilly 7°C (44°F) to a sweltering 36°C (97°F), averaging around 18°C (66°F). In contrast, January’s temperatures are notably colder, dipping as low as -8°C (18°F) and capping at just 13°C (56°F), averaging a frigid 3°C (38°F). While August receives significant rainfall of 89 mm (3.5 in) across approximately 14 days, January sees less precipitation at 69 mm (2.7 in) over about 12 days but experiences a higher humidity level of 91%. For a detailed view of January weather in Namur, check Namur weather in January.

August and February offer stark contrasts in weather, highlighting the seasonal diversity. In August, temperatures range from a chilly 7°C (44°F) at night to a scorching 36°C (97°F) during the day, with an average of 18°C (66°F). The month sees a considerable amount of precipitation, with 89 mm (3.5 in) spread over 14 days and humidity levels averaging 76%. In contrast, February experiences a much cooler climate, with temperatures dipping as low as -11°C (12°F) and peaking at 19°C (66°F), with an average of just 5°C (41°F). Although February has less precipitation at 73 mm (2.9 in) across 12 days, it maintains a higher humidity level of 89%. For a detailed look at February weather, visit Namur weather in February.

August and March present distinct weather patterns in terms of temperature and precipitation. In August, temperatures can range from a cool 7°C (44°F) to a scorching 36°C (97°F), with an average of 18°C (66°F) and relatively high humidity at 76%. The month experiences about 89 mm (3.5 in) of precipitation over approximately 14 days. In contrast, March features a much cooler climate, with temperatures varying from a chilly -10°C (15°F) to a mild 23°C (74°F), and an average of only 7°C (45°F). It sees slightly lower precipitation at 77 mm (3.0 in) stretched over 15 days, alongside higher humidity levels at 87%. For more detailed information, you can check out Namur weather in March.

In comparing the weather between August and April, we see a significant contrast in temperatures and humidity levels. August boasts a much warmer climate, with temperatures ranging from a minimum of 7°C (44°F) to a scorching maximum of 36°C (97°F) and an average of 18°C (66°F). The month is also marked by higher humidity at 76% and more frequent precipitation, with rain occurring on 14 days and totaling 89 mm (3.5 in).

In contrast, April experiences cooler temperatures, with a minimum of -3°C (26°F) and a maximum of 27°C (80°F), leading to a more moderate average of 10°C (50°F). The humidity is slightly higher at 85%, but precipitation is notably less, with only 41 mm (1.6 in) of rain over 8 days. For a detailed look at the weather trends for April in Namur, you can visit Namur weather in April.

In comparing the weather between August and May, we see notable differences in temperature and precipitation. August experiences a broader temperature range, with minimums of 7°C and maximums reaching up to 36°C, resulting in an average of 18°C. In contrast, May starts off cooler, with temperatures ranging from a minimum of 0°C to a maximum of 30°C, averaging 13°C. Precipitation is slightly higher in August at 89 mm over 14 days compared to May’s 67 mm, although both months share the same number of rainy days. Humidity levels also vary, with August at 76% and May slightly higher at 82%. For more detailed information, you can check the Namur weather in May.

In comparing the weather of August and June, both months exhibit similar average temperatures, with August averaging around 18°C (66°F) compared to June's average of 18°C (64°F). However, August experiences slightly warmer maximum temperatures, reaching up to 36°C (97°F), while June peaks at 33°C (91°F). Humidity levels are relatively high in both months, with August at 76% and June slightly higher at 82%. Precipitation is also comparable, with August receiving 89 mm (3.5 in) over 14 days, while June has 78 mm (3.1 in) over 13 days. For a detailed overview of June weather, you can visit Namur weather in June.

August weather shows a slight dip in average temperature compared to July, with August averaging 18°C (66°F) versus July's 19°C (66°F). Both months experience similar temperature ranges, with August reaching a maximum of 36°C (97°F) compared to July's peak of 37°C (99°F). However, August is slightly wetter, receiving 89 mm (3.5 in) of precipitation over 14 days, while July has 77 mm (3.0 in) across 10 days. Humidity levels are also marginally lower in August at 76% compared to July's 80%. For more detailed weather insights, you can explore Namur weather in July.

August typically experiences warmer weather compared to September, with average temperatures reaching up to 18°C (66°F) and a maximum of 36°C (97°F), while September sees a cooler average temperature of 15°C (59°F) and a maximum of 33°C (92°F). In terms of precipitation, August has slightly higher rainfall at 89 mm (3.5 in) over 14 days, while September receives 65 mm (2.5 in) across 11 days. Humidity levels also differ, with September recording a higher humidity of 82% compared to August's 76%. For more detailed insights into the weather during September, check out Namur weather in September.

In August, the weather is characterized by warm temperatures, with minimums around 7°C (44°F) and maximums reaching up to 36°C (97°F), averaging 18°C (66°F). The month also sees significant humidity at 76%, accompanied by around 89 mm (3.5 in) of precipitation over approximately 14 days.

In contrast, October brings a distinct chill, with minimum temperatures dropping to 1°C (34°F) and maximums peaking at 25°C (77°F), resulting in an average temperature of 12°C (53°F). Rainfall remains similar at 86 mm (3.4 in), but over a slightly shorter period of 13 days, and humidity rises to 89%. This shift hints at the transition from summer warmth to autumn coolness. For a more detailed look at October’s weather, check out Namur weather in October.

August weather tends to be warm, with temperatures ranging from a mild 7°C (44°F) to a scorching 36°C (97°F), while averaging around 18°C (66°F). This month experiences considerable rainfall, totaling 89 mm (3.5 in) over about 14 days, and humidity levels are relatively high at 76%. In contrast, November brings much cooler temperatures, with a minimum of -3°C (27°F) and an average of just 7°C (44°F), peaking at 18°C (64°F). The precipitation decreases to 60 mm (2.3 in) across approximately 12 days, and the humidity rises to a notable 92%. For more detailed information on the weather patterns, check out Namur weather in November.

August and December present stark contrasts in weather conditions. In August, temperatures range from a chilly 7°C (44°F) at night to a scorching 36°C (97°F) during the day, averaging around 18°C (66°F). This month sees about 89 mm (3.5 in) of precipitation over roughly 14 rainy days, coupled with a humid atmosphere at 76%.

In contrast, December experiences much cooler temperatures, with nighttime lows plunging to -4°C (24°F) and daytime highs only reaching up to 15°C (58°F), averaging 5°C (41°F). Precipitation increases slightly to 105 mm (4.1 in) over approximately 18 days, and humidity rises to a significant 92%. For more detailed information on December weather, visit Namur weather in December.

Compare Namur's Climate with Cities Worldwide

Conclusion: What to Expect From August Weather in Namur

August in Namur showcases a unique blend of warmth and humidity that sets it apart from other months. With temperatures peaking at 36°C (97°F), this month can feel particularly intense, especially with an average humidity level of 76% that makes the heat more palpable. Though rainfall is not uncommon, with 14 days experiencing precipitation, the overall atmosphere remains vibrant and lively during this peak summer month. For anyone looking to understand the broader patterns of weather in Namur, especially as they contrast with other seasons, check out Namur Climate for more insights.