August Weather in Liege, Belgium

Last updated: August 21, 2025

August in Liège, Belgium presents a striking blend of warmth and humidity, with temperatures soaring to a maximum of 36°C (97°F) while maintaining an average of 19°C (66°F). The month experiences a notable variance, with minimum temperatures dipping to 7°C (44°F). Despite the heat, 84 mm (3.3 in) of precipitation falls over 15 days, adding a touch of freshness to the summer atmosphere. Humidity levels hover around 71%, creating a muggy ambiance that characterizes this vibrant city in late summer. Whether seeking sunshine or shelter from rain, Liège serves as a captivating destination in August.

August Temperature in Liege

In August, Liege, Belgium, experiences a warm embrace of summer with temperatures that showcase a delightful range. The month begins with a minimum temperature around 7°C (44°F), gradually rising to an impressive maximum of 36°C (97°F), making it one of the hottest months of the year. With an average temperature of 19°C (66°F), August stands out as a time when the outdoor ambiance is perfect for enjoying cultural festivals and exploring the picturesque landscapes. This warmth marks a significant contrast to the chilly start of the year, highlighting a steady climb in temperatures through the summer months. As August transitions into September, the mild evenings invite both locals and visitors to savor the lingering summer nights before the cooler autumn sets in.

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

The chart illustrates August temperature patterns in Liege, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Liege, 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).
JanFebMarAprMayJunJulAugSepOctNovDec384145505665666659534441
Data source: Temperature data for Liege 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 Liege

August in Liège, Belgium, sees a notable increase in precipitation compared to the summer months, with 84 mm (3.3 in) of rain falling over an average of 15 days. This rise continues the trend established in July and signals a shift towards more significant rainfall as the city transitions into autumn. While July recorded 82 mm over just 11 days, August's precipitation not only surpasses it slightly but also extends the wet days, hinting at increased humidity in the air. The consistent rainfall contributes to the lush greenery of the region, making August a vibrant month, but it also prepares residents for the more frequent rains that September and October typically bring.

August Precipitation Trends in Liege

The chart displays monthly precipitation patterns in Liege, 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 Liege, August typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec7176803965888284658758106
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Liege

In Liege, Belgium, August sees a notable drop in humidity, reaching an average of 71%—the lowest point of the year. This gradual decline from a high of 91% in January showcases a trend of decreasing moisture as summer progresses. Following the peak humidity in May at 77%, the shift into the drier months continues into September, which experiences a rise back to 81%. Overall, the summer months exhibit a steady reduction in humidity levels, offering a brief respite before the fall months bring increased moisture once again.

August Average Humidity in Liege

This chart illustrates the average monthly humidity levels in Liege, 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 Liege is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%90%87%84%77%74%72%71%81%88%91%92%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Liege

In August, Liege, Belgium experiences a UV Index of 7, indicating a high exposure category with a burn time of 25 minutes. This month marks a slight decrease from the peak UV Index of 8 seen in both June and July, but it is still essential for residents and visitors to take precautions against sun exposure. As summer winds down, this period's UV levels remind us of the heightened risks earlier in the season, particularly in May when UV reached a 7. Notably, as we transition into September, the UV Index drops to 5, returning to a moderate level that will allow for more comfortable outdoor activities without as much concern. For those planning outdoor activities in Liege, understanding these trends is crucial for minimizing sunburn and enjoying the sunny days safely. To learn more, visit Liege UV Index.

Maximum UV Index Levels in Liege for August

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

August in Liège, Belgium, basks in an impressive 380 hours of sunshine, making it one of the sunniest months of the year. Following a steady rise in daylight from 120 hours in January to a peak of 407 hours in July, August witnesses a slight decline, yet it remains significantly brighter than the winter months. This trend of increasing sunlight, culminating during the summer, highlights the vibrant outdoor lifestyle embraced by locals and visitors alike. As the seasons transition into September, the sunlight gently tapers off to 318 hours, signaling a shift towards the cozy charm of autumn.

Monthly Sunshine Duration in Liege: August Highlighted

The August sunshine duration represents the total number of hours Liege 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.
JanFebMarAprMayJunJulAugSepOctNovDec120h204h270h342h395h395h407h380h318h241h190h134h
Data source: Liege August Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Liege During August

In Liege, Belgium, the likelihood of sunny weather in August hovers around 30%, presenting a modest chance for sun-soaked days during the height of summer. While this percentage is slightly lower than the sunnier months of April and March, it still offers a fair opportunity for residents and visitors to enjoy outdoor activities. Notably, the sunny potential declines over the summer months, dipping from 33% in July to 30% in August. This trend suggests that while August may not boast the brightest skies, it still holds a decent promise of sunshine amidst the typically variable Belgian weather, encouraging hopeful plans for summer outings.

Percentage of Sunny Days in August in Liege

The chart illustrates the percentage of sunny days in Liege 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 Liege experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec9%32%39%45%31%32%33%30%37%30%26%15%
Data source: Liege August chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Liege in August

In August, the city of Liège, Belgium basks in a delightful 14 hours of daylight, marking a gentle decline from the sun-soaked peak of June with its impressive 16 hours. This gradual decrease in daylight signals the subtle transition towards autumn, as the longer days of summer begin to yield to the shorter light of fall. The month stands out with a harmonious balance, sitting between the vibrant daylight of May and the cooler, more subdued light of September, offering a perfect opportunity for outdoor activities while the warm summer ambiance lingers in the air. As the days shorten, Liège prepares for the cozy embrace of autumn, transitioning smoothly from the late-summer glow towards the autumnal palette.

Average Daylight Hours in Liege for August

The chart illustrates the variation in daylight duration in Liege throughout the year, with August highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 29m10h 1m11h 55m13h 51m15h 32m16h 25m15h 57m14h 26m12h 34m10h 38m8h 55m8h
Data source: Liege daylight hours, calculated by summing the hours between sunrise and sunset for each day.

August Winds in Liege

In August, Liege experiences a gentle, consistent breeze, with an average wind speed of 3.3 m/s (7 mph), mirroring the calmer conditions of July. This slight stability suggests a transition into late summer, where the lush surroundings sway effortlessly in the soft wind. Throughout the earlier months of the year, wind speeds tend to fluctuate, peaking at 4.4 m/s (10 mph) in February and experiencing a noticeable dip to 2.7 m/s (6 mph) by June. As autumn approaches, the winds pick up again in October, indicating a refreshing shift in the season. Overall, August's wind aligns with the trend of gradual decreases leading into autumn, providing a serene backdrop to the city’s vibrant summer ambiance.

Average August Wind Speed in Liege

The chart displays monthly wind speed patterns in Liege, 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.
JanFebMarAprMayJunJulAugSepOctNovDec4.34.43.93.14.32.73.33.3 m/s2.84.33.34.1
Data source: Liege August wind data, generated using information from the Copernicus Climate Change Service.

How August Weather in Liege Compares to Other Months

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

August and January in Liege present a stark contrast in weather conditions. In August, temperatures range from a minimum of 7°C (44°F) to a scorching maximum of 36°C (97°F), with an average of 19°C (66°F). The month sees about 84 mm (3.3 in) of precipitation spread over 15 days, accompanied by a humidity level of 71%. Conversely, January is much colder, with temperatures dipping as low as -8°C (18°F) and peaking at 13°C (57°F), averaging just 3°C (38°F). Despite lower precipitation at 71 mm (2.8 in) over 13 days, January is characterized by a higher humidity of 91%. For more detailed insights, you can check Liege weather in January.

In August, the weather is characterized by much warmer temperatures, with an average of 19°C (66°F) and highs reaching up to 36°C (97°F). The month sees about 84 mm (3.3 in) of precipitation across 15 days, coupled with a humidity level of 71%, creating a muggy atmosphere.

In contrast, February experiences colder conditions with an average temperature of 5°C (41°F), a minimum of -9°C (16°F), and a maximum of 20°C (69°F). Although February has slightly less rainfall at 76 mm (3.0 in) over 12 days, the humidity is significantly higher at 90%, contributing to a brisk and chilly environment.

For more detailed information, you can check Liege weather in February.

When comparing August and March weather, the difference is striking. August enjoys much warmer temperatures, with averages reaching 19°C (66°F) and highs soaring up to 36°C (97°F), while March's temperatures are cooler, with an average of 7°C (45°F) and a maximum of only 23°C (74°F). Despite both months experiencing similar levels of precipitation over 15 days, August tends to be slightly wetter at 84 mm (3.3 in) compared to March's 80 mm (3.1 in). Additionally, March has higher humidity at 87%, making it feel more clammy, whereas August's humidity stands at 71%. For more detailed insights into March weather, you can visit Liege weather in March.

August and April display distinct contrasts in weather patterns. August typically boasts higher temperatures, ranging from a minimum of 7°C (44°F) to a maximum of 36°C (97°F), with an average of 19°C (66°F). In contrast, April experiences cooler temperatures, with a minimum of -4°C (25°F) and a maximum of 28°C (82°F), averaging 10°C (50°F). Precipitation is more frequent in August, occurring on 15 days and totaling 84 mm (3.3 in), compared to April's 8 rainy days and only 39 mm (1.5 in). Humidity levels are also notable, with August at 71% and April slightly higher at 84%. For a detailed look at the weather specifics of April, visit Liege weather in April.

When comparing the weather in August and May, several notable differences emerge. August tends to be warmer, with average temperatures reaching 19°C (66°F) and maximums soaring up to 36°C (97°F), while May's average is considerably cooler at 14°C (57°F), peaking at 31°C (89°F). Precipitation is slightly higher in August, totaling 84 mm (3.3 in) over about 15 days, compared to May's 65 mm (2.5 in) across 13 days. Additionally, humidity levels are more prominent in May at 77%, compared to August's 71%. For a deeper understanding of May weather patterns, you can check out Liege weather in May.

When comparing the weather in August and June, we see a notable difference in temperature and precipitation. August typically experiences a wider temperature range, with a minimum of 7°C (44°F), an average of 19°C (66°F), and a maximum of 36°C (97°F). In contrast, June has a slightly lower maximum temperature of 33°C (92°F), with an overall average of 18°C (65°F). Despite August's warmer average temperatures, both months have similar humidity levels, hovering around 71% in August and 74% in June. Precipitation is fairly comparable as well, with August receiving 84 mm (3.3 in) over 15 days and June experiencing 88 mm (3.5 in) over 12 days. For more detailed insights on June's weather patterns, you can visit Liege weather in June.

In comparing the weather of August and July, we see slight variations in temperature and precipitation. August experiences a minimum temperature of 7°C (44°F), making it a bit cooler than July, which has a minimum temperature of 8°C (46°F). However, both months share the same average temperature of 19°C (66°F). July is notably warmer with a maximum temperature reaching 40°C (104°F), while August's maximum temperature is slightly lower at 36°C (97°F). Precipitation levels are relatively similar, with August receiving 84 mm (3.3 in) over 15 days and July seeing 82 mm (3.2 in) across 11 days. Humidity remains consistent, with July at 72% and August at 71%. For more detailed weather patterns, you can check out Liege weather in July.

August typically offers warmer weather with an average temperature of 19°C (66°F) and daily highs reaching up to 36°C (97°F), while September sees a noticeable drop, averaging around 15°C (60°F) with maximum temperatures of 34°C (93°F). In terms of precipitation, August receives more rain, totaling 84 mm (3.3 in) over 15 days, compared to September's 65 mm (2.5 in) over 10 days. Additionally, September experiences slightly higher humidity at 81%, compared to August's 71%. For more details on the weather conditions in September, you can check Liege weather in September.

August and October offer distinct contrasts in weather patterns. In August, temperatures range from a mild minimum of 7°C (44°F) to a hot maximum of 36°C (97°F), averaging at 19°C (66°F). This month sees a relatively high humidity of 71% and experiences approximately 84 mm (3.3 in) of precipitation over about 15 days. In contrast, October brings cooler temperatures, with a minimum of 1°C (34°F), an average of 12°C (54°F), and a maximum of 25°C (78°F). The humidity rises to 88%, and precipitation slightly increases to 87 mm (3.4 in) over 13 days. For a deeper look at how the weather in October shapes the environment, check out Liege weather in October.

August and November present a stark contrast in weather conditions. In August, temperatures range from a minimum of 7°C (44°F) to a scorching maximum of 36°C (97°F), with an average of 19°C (66°F). The month sees significant rainfall, totaling 84 mm (3.3 in) over 15 days, accompanied by a comfortable humidity level of 71%. In contrast, November experiences much cooler temperatures, with a minimum of -4°C (25°F) and a maximum of 19°C (66°F), averaging just 7°C (45°F). Rainfall decreases to 58 mm (2.3 in) across 11 days, but humidity rises to 91%, making the days feel colder and damp. For more details, you can check Liege weather in November.

In August, the weather is typically warm with temperatures ranging from a mild 7°C (44°F) at night to a scorching 36°C (97°F) during the day, averaging around 19°C (66°F). The month experiences about 84 mm (3.3 in) of precipitation over approximately 15 days, with a humidity level of 71%. In contrast, December brings much colder conditions, with temperatures dipping to a minimum of -5°C (23°F) and peaking at 15°C (59°F), averaging just 5°C (41°F). This month sees increased precipitation at 106 mm (4.2 in) across about 19 days, and a higher humidity of 92%. For more detailed insights into the December climate, you can visit Liege weather in December.

Compare Liege's Climate with Cities Worldwide

Conclusion: What to Expect From August Weather in Liege

August in Liège is a vibrant month that stands out amidst the typical Belgian climate. While temperatures can soar, reaching a maximum of 36°C (97°F), the average remains a comfortable 19°C (66°F), striking a perfect balance between warmth and refreshment. This month sees a noteworthy increase in humidity at 71%, creating a lush atmosphere, yet it also comes with its share of precipitation, averaging 84 mm (3.3 in) over about 15 days. As summer gradually gives way to autumn, August offers a unique blend of sunny days and occasional rain, inviting visitors to enjoy the city's lively outdoor experiences. For a deeper insight into how August weather compares with the rest of the year, explore more at Liege Climate.