August Weather in Vianden, Luxembourg

Last updated: August 21, 2025

Experience the dynamic August weather in Vianden, Luxembourg, where temperatures can soar to a maximum of 34°C (93°F) and average around a comfortable 18°C (64°F). While the warm days invite outdoor adventures, a chilly minimum of 5°C (41°F) reminds us that summer's end is near. Expect approximately 70 mm (2.7 in) of precipitation over 14 days, creating a lush and vibrant landscape. With humidity levels reaching 80%, the atmosphere can feel quite warm, making it essential to stay hydrated while exploring the enchanting beauty of this historical town.

August Temperature in Vianden

In August, Vianden, Luxembourg experiences a delightful transition into the warmest days of the year, with temperatures ranging from a minimum of 5°C (41°F) to a maximum of 34°C (93°F). The average temperature settles around 18°C (64°F), creating a pleasantly mild atmosphere ideal for outdoor activities. This month follows July's peak heat, but offers a slight reprieve, making it perfect for exploring the stunning landscapes and historic sites of the region. As summer gives way to fall, August serves as a vibrant capstone to the season, inviting both locals and visitors to bask in the sun while enjoying the lingering warmth before the cooler months arrive.

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

The chart illustrates August temperature patterns in Vianden, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Vianden, 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).
JanFebMarAprMayJunJulAugSepOctNovDec343741485463646457504138
Data source: Temperature data for Vianden 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 Vianden

August in Vianden, Luxembourg, brings a gentle reprieve in precipitation, with total rainfall measuring 70 mm (2.7 in) over approximately 14 days. This month mirrors the consistency seen in July, where similar amounts were recorded, yet the downward trend in precipitation compared to earlier months like March and June highlights a shift towards drier late summer conditions. While the rainfall remains moderate, it is notably less than December's peak, suggesting that the region is gradually transitioning into the drier, cooler months ahead. Overall, August retains a balanced feel, marking a serene end to summertime showers in this picturesque locale.

August Precipitation Trends in Vianden

The chart displays monthly precipitation patterns in Vianden, 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 Vianden, August typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec7273824173767770637564114
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Vianden

August in Vianden, Luxembourg, sees humidity levels dropping slightly to 80%, a trend consistent with the gradual decline from the high summer months of June and July, both recorded at 82%. This marks a refreshing respite as the temperature begins to wane, indicating the transition into fall. The monthly averages reveal a steady trend of decreasing humidity from the winter months, where levels hover around 91% in January and February, down to 81% in May. As summer fades, a slight rise occurs again with 83% in September, foreshadowing the return to elevated humidity levels in autumn. Overall, Vianden's August humidity encapsulates the charm of summer's end, paving the way for the crispness of autumn while still holding onto that quintessential warmth.

August Average Humidity in Vianden

This chart illustrates the average monthly humidity levels in Vianden, 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 Vianden 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 August generated using information from the Copernicus Climate Change Service.

August UV Index in Vianden

In August, Vianden, Luxembourg experiences a UV Index of 7, categorizing it as high exposure. This marks a slight dip from the very high levels seen in June and July, where the UV Index peaked at 9 and 8, respectively. Nevertheless, with a burn time of 25 minutes, it's essential to stay vigilant while enjoying outdoor activities. Throughout the year, the UV Index trends reveal a gradual increase from a low of 2 in January to the heights of summer, illustrating the importance of sun protection in these warmer months. As summer wanes, September similarly maintains a high index of 6, encouraging continued awareness. For more detailed insights into UV exposure and safety measures, visit Vianden UV Index.

Maximum UV Index Levels in Vianden for August

The chart shows the monthly maximum UV Index (UVI) for Vianden 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 Vianden typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec234689876421
Data source: Vianden 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 Vianden

August in Vianden, Luxembourg, basks in the glow of 378 hours of sunshine, contributing to a lively summer ambiance. As the warmest months approach, the sun begins to dominate the sky, peaking in June and July with over 400 hours each. Following this radiant peak, August sees a gentle decline, yet it still showcases ample sunlight compared to the earlier months of the year. The transition from summer to autumn is marked by September's 311 hours, reminding visitors that while the days may grow shorter, the charm of Vianden remains illuminated by its beautiful landscapes and vibrant atmosphere. Whether you’re wandering through the historic streets or enjoying the stunning views, the sunshine in August certainly sets the tone for unforgettable experiences.

Monthly Sunshine Duration in Vianden: August Highlighted

The August sunshine duration represents the total number of hours Vianden 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.
JanFebMarAprMayJunJulAugSepOctNovDec98h188h250h347h381h401h404h378h311h225h165h104h
Data source: Vianden August Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Vianden During August

In Vianden, Luxembourg, the likelihood of sunny weather in August shows a slight dip to 28%, marking a trend of fluctuating sunshine across the summer months. Following a moderate increase in sun chances from March through June, where the probabilities peaked around 42% to 46%, the sunshine potential unexpectedly recedes in July and August. This suggests that while summer still holds opportunities for sunlit days, August is often a transitional month, paving the way for the cooler autumn days ahead. Despite the waning likelihood of sun, the picturesque beauty of Vianden still envelops visitors, making every ray of sunshine a delightful surprise.

Percentage of Sunny Days in August in Vianden

The chart illustrates the percentage of sunny days in Vianden 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 Vianden experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec8%31%42%46%30%30%33%28%38%27%17%12%
Data source: Vianden August chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Vianden in August

In August, Vianden, Luxembourg, enjoys a splendid 14 hours of daylight, a continuation of the summer's luminous embrace, albeit slightly less than the peak of 16 hours in June. This gradual decline from the sunniest months reflects a subtle shift towards the approaching autumn, where daylight starts to recede. Following May's delightful 15 hours, August hints at the transition towards a more balanced distribution of light, paving the way into the cooler months ahead. As the sunlight dims and the days shorten, the vibrant hues of late summer in Vianden become a cherished farewell to the long, sun-drenched days.

Average Daylight Hours in Vianden for August

The chart illustrates the variation in daylight duration in Vianden throughout the year, with August highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 36m10h 4m11h 55m13h 48m15h 26m16h 17m15h 50m14h 22m12h 33m10h 41m9h8h 7m
Data source: Vianden daylight hours, calculated by summing the hours between sunrise and sunset for each day.

August Winds in Vianden

As summer fades into autumn, August in Vianden, Luxembourg ushers in a gentle breeze with an average wind speed of 3.3 m/s (7 mph). This marks a slight increase from July's 3.0 m/s, suggesting that the warm weather persists with a soft whisper of wind, enough to rustle the leaves without overwhelming the serene charm of the town. Throughout the year, wind speeds tend to fluctuate, peaking in May at 4.2 m/s before dipping in June to a more tranquil 2.6 m/s. The trend reveals a gradual cooling and calming as autumn approaches, which continues into September, where a notable drop to 2.4 m/s (5 mph) occurs. The August winds embrace the transition, creating an inviting atmosphere for both locals and visitors, who can enjoy the last breath of summer in this picturesque setting.

Average August Wind Speed in Vianden

The chart displays monthly wind speed patterns in Vianden, 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.
JanFebMarAprMayJunJulAugSepOctNovDec4.03.83.83.44.22.63.03.3 m/s2.43.73.03.5
Data source: Vianden August wind data, generated using information from the Copernicus Climate Change Service.

How August Weather in Vianden Compares to Other Months

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

The weather in August is characterized by warm temperatures ranging from a chilly minimum of 5°C (41°F) to a scorching maximum of 34°C (93°F), with an average of 18°C (64°F). This month also sees considerable humidity at 80% and experiences around 70 mm (2.7 in) of precipitation over 14 days. In contrast, January presents a much colder climate, with temperatures dipping to a minimum of -14°C (8°F) and reaching a maximum of 11°C (52°F), averaging just 1°C (35°F). Although precipitation in January is slightly higher at 72 mm (2.8 in) over 12 days, the humidity climbs to 91%, making the cold feel even more biting. For more details about weather specifics, you can check Vianden weather in January.

When comparing the weather in August and February, it's clear that these months present contrasting climates. August boasts a much warmer temperature range, with averages around 18°C (64°F) and highs reaching up to 34°C (93°F), alongside significant humidity at 80%. In contrast, February experiences much colder conditions, with minimum temperatures plummeting to -12°C (12°F) and an average of just 3°C (37°F). Despite both months having similar levels of precipitation—73 mm (2.9 in) in February and 70 mm (2.7 in) in August—the winter month sees slightly more days of rain, totaling 12, compared to 14 days of rainfall in August. For more insights into February's chilly weather, you can explore Vianden weather in February.

In August, the weather is typically much warmer, with average temperatures reaching around 18°C (64°F) and highs of up to 34°C (93°F), making it a more comfortable month for outdoor activities. In contrast, March presents a cooler atmosphere, with average temperatures around 5°C (42°F) and occasional lows plunging to -13°C (8°F). Both months experience significant precipitation, with August receiving about 70 mm (2.7 in) over 14 days and March slightly higher at 82 mm (3.2 in) over 16 days, contributing to a humid climate—particularly in March with 88% humidity compared to August's 80%. For more detailed information on the weather conditions during this transitionary month, you can check the following link: Vianden weather in March.

In comparing the weather between April and August, we can observe significant differences in temperature and precipitation patterns. August features a much warmer climate, with temperatures ranging from a minimum of 5°C (41°F) to a maximum of 34°C (93°F) and an average of 18°C (64°F). The month also experiences higher humidity at 80% and more precipitation, totaling 70 mm (2.7 in) over 14 days. In contrast, April tends to be cooler, with temperatures ranging from a minimum of -3°C (26°F) to a maximum of 26°C (78°F) and an average of 9°C (48°F). It has lower precipitation levels at 41 mm (1.6 in) over 9 days, although humidity is slightly higher at 84%. To explore more about the weather in April, you can visit Vianden weather in April.

August and May present distinct weather characteristics, showcasing the transition from late spring to summer. In August, temperatures range from a minimum of 5°C (41°F) to a maximum of 34°C (93°F), with an average of 18°C (64°F). This month experiences significant humidity at 80% and sees about 70 mm (2.7 in) of precipitation spread over 14 days. In contrast, May features cooler temperatures, with lows of -1°C (30°F) and highs reaching up to 30°C (86°F), averaging 12°C (54°F). While May has a similar number of rainy days (14), it reports slightly higher precipitation at 73 mm (2.9 in) and marginally increased humidity at 81%. For more detailed insights, you can visit Vianden weather in May.

In comparing the weather of August and June, we find that August features slightly warmer temperatures, with an average of 18°C (64°F) compared to June's 17°C (63°F). While both months experience similar maximum temperatures, August can reach up to 34°C (93°F), whereas June peaks at 32°C (90°F).

Precipitation levels are also notable; August sees 70 mm (2.7 in) over 14 days, while June has a bit more at 76 mm (3.0 in) over 13 days. Humidity remains high in both months, with August at 80% and June slightly higher at 82%. For a more detailed look at June weather, you can check Vianden weather in June.

In comparing the weather between July and August, both months exhibit warm temperatures, but August generally sees a slight decrease in maximum temperatures, reaching a peak of 34°C (93°F) compared to July's high of 37°C (99°F). While the average temperatures remain similar, with August averaging 18°C (64°F) and July at 18°C (65°F), the minimum temperatures in August are slightly cooler at 5°C (41°F) versus July's 6°C (44°F). Additionally, August experiences a bit more precipitation, totaling 70 mm (2.7 in) over 14 days, compared to July's 77 mm (3.0 in) across 11 days, indicating a slightly wetter month overall. Humidity levels are also comparable, with July at 82% and August slightly lower at 80%. For more detailed insights on July’s weather, you can visit Vianden weather in July.

August typically presents warmer and more humid conditions compared to September. With minimum temperatures around 5°C (41°F) and maximums reaching up to 34°C (93°F), August averages 18°C (64°F) and experiences about 70 mm (2.7 in) of precipitation over 14 days, along with a humidity level of 80%. In contrast, September sees a slight decrease in temperatures, with minimums at 3°C (37°F) and a max of 32°C (90°F), resulting in an average of 14°C (57°F). The month's rainfall decreases to 63 mm (2.5 in) over just 9 days, while humidity slightly increases to 83%. For more detailed information, you can visit Vianden weather in September.

August and October present contrasting weather conditions, with August showcasing warmer temperatures and higher humidity levels. In August, temperatures fluctuate between a minimum of 5°C (41°F) and a maximum of 34°C (93°F), resulting in an average of 18°C (64°F) and a significant precipitation of 70 mm (2.7 in) over 14 days. Conversely, October sees much cooler temperatures, with a range from 0°C (32°F) to 24°C (75°F), averaging at 10°C (50°F). Despite October’s lower average temperature, it has a similar precipitation level of 75 mm (3.0 in) across 11 days, coupled with increased humidity at 89%. For more detailed insights, check out Vianden weather in October.

In comparing the weather between August and November, one can observe a significant shift in temperatures and conditions. August typically enjoys a warmer climate, with temperatures ranging from a minimum of 5°C (41°F) to a maximum of 34°C (93°F), averaging around 18°C (64°F). The humidity is relatively high at 80%, and there is about 70 mm (2.7 in) of precipitation over approximately 14 days. In contrast, November brings much cooler weather, with temperatures dipping to a minimum of -5°C (23°F), averaging 5°C (41°F), and peaking at 18°C (65°F). The humidity increases slightly to 91%, and precipitation amounts to 64 mm (2.5 in) over about 12 days. For more detailed information, you can visit Vianden weather in November.

In August, the weather is typically warm with temperatures ranging from a minimum of 5°C (41°F) to a maximum of 34°C (93°F), averaging around 18°C (64°F). Humidity remains high at 80%, and while the month experiences some rain, with about 70 mm (2.7 in) of precipitation over 14 days, clearer and sunnier days are also common.

Conversely, December brings a stark contrast with much cooler temperatures, ranging from a minimum of -5°C (23°F) to a maximum of 13°C (56°F), cooling down to an average of just 3°C (38°F). The month sees increased precipitation, totaling 114 mm (4.5 in) over 19 days, along with higher humidity at 93%. For more details on the weather in December, you can visit Vianden weather in December.

Compare Vianden's Climate with Cities Worldwide

Conclusion: What to Expect From August Weather in Vianden

August in Vianden offers a unique blend of warmth and humidity, setting it apart from other months of the year. With maximum temperatures reaching 34°C (93°F), visitors can expect to enjoy the sun, albeit with a notable average of 80% humidity that can make the heat feel more intense. The month sees about 14 days of precipitation, totaling 70 mm (2.7 in), reminding us that summer storms can be a frequent occurrence. Despite the occasional rain, August remains a vibrant time to explore the lush surroundings and rich history of this charming town. For a deeper understanding of Vianden's climate throughout the year, check out Vianden Climate.