Last updated: August 27, 2025
August weather in Luzern, Switzerland is characterized by a delightful blend of warm temperatures and occasional rain. With maximum highs reaching 30°C (87°F) and an average temperature of 18°C (64°F), visitors can enjoy a pleasant summer ambiance. However, prepare for some showers, as August brings approximately 193 mm (7.6 in) of precipitation across 16 days, contributing to a humidity level of around 80%. This vibrant weather creates a lush backdrop for exploring the city and its stunning landscapes, making it an ideal month for both relaxation and adventure.
In Luzern, Switzerland, August serves as a delightful climax to the warm season, showcasing temperatures that generally range from a minimum of 8°C (46°F) to a maximum of 30°C (87°F), with an average of around 18°C (64°F). This month continues the upward trend established in the previous summer months, with comfortable warmth that invites locals and tourists alike to explore the beautiful lakes and mountains. August maintains a pleasant climate, making it a wonderful time for outdoor activities and cultural events. As summer gently transitions to fall, the mild evenings offer a perfect backdrop for relaxation and enjoying the stunning Swiss landscapes.
In August, Luzern experiences a notable precipitation amount of 193 mm (7.6 in), slightly lower than the preceding months, yet still substantial. This period typically sees an average of 16 rainy days, contributing to a lush, vibrant landscape as summer transitions into fall. Notably, the precipitation in August follows a trend observed in July, where heavy summer rains are prevalent, though it remains consistently higher than the earlier months of the year, showcasing a clear seasonal pattern. The rainfall during this month, combined with the warmth of summer, sustains the picturesque beauty of Luzern, making it a captivating destination even in the rain.
In Luzern, Switzerland, August typically experiences a humidity level of 80%, marking a slight decline from the summer months. This trend showcases a gradual reduction in moisture from the peak levels seen in early summer, particularly July's 83%. The humidity remains notably high during the winter months, with January and December reaching 92% and 90%, respectively. Overall, the patterns reflect a steady decrease in humidity as the seasons transition from warm to cool, providing a comfortable atmosphere during August while hinting at the approaching autumn.
In Luzern, Switzerland, the month of August sees a UV Index of 8, categorized as very high, which means sun enthusiasts should take caution while enjoying outdoor activities. This trend of elevated UV exposure follows a soaring summer, where both June and July recorded the same intensity. Despite a slight dip from July's peak, residents and visitors alike must remain vigilant, as the burn time is a brief 15 minutes. As the year progresses towards September, the UV Index begins to decline, transitioning to a high exposure category of 6. To stay informed and protect your skin, check out the detailed Luzern UV Index for month-to-month insights.
UV Risk Categories
In Luzern, Switzerland, August shines bright with an impressive 384 hours of sunshine, providing a warm and inviting backdrop to the summer's end. This month follows a peak of 415 hours in July, while still showcasing a significant amount of sunny days. The trend reveals a steady increase in sunlight hours from the winter months, starting at a modest 164 hours in January, gradually climbing to the summer zenith. As autumn approaches, September still offers a generous 320 hours of sunshine, reminding visitors of summer's lingering warmth before the shorter days of October set in. Overall, Luzern transforms into a sun-kissed paradise during these vibrant summer months, where sunshine directly enhances the allure of the Swiss landscape.
In Luzern, Switzerland, August tends to embrace a 36% chance of sunny weather, marking a slight increase from the summer months of July and June, which hover around 31% and 33% respectively. This trend suggests that, while the likelihood of sunshine is moderate, visitors can anticipate a pleasant blend of sunny days amidst the typical summer patterns. As the year progresses, the probability of sunny weather generally dips in late autumn and winter, making August a lovely opportunity to enjoy the picturesque landscapes of Luzern under warmer, brighter skies.
In Luzern, Switzerland, the rhythm of daylight unfolds beautifully throughout the year, peaking in the summer months. In August, daylight graces the city for about 14 hours, a slight dip from the sunlit days of June and July, which boast a consistent 15 hours of brightness. This gentle decline signals the beginning of autumn as the days gradually shorten. Following the warmth of summer, the transition to fall brings a notable shift; September offers only 12 hours of daylight, hinting at the impending seasonal change. Overall, Luzern experiences a vibrant interplay of light and shadow, where May through August stands out as a celebration of extended daylight, perfect for outdoor adventures before the darker months return.
As summer winds down, August in Luzern brings a subtle, tranquil breeze with an average wind speed of 1.3 m/s (3 mph), mirroring the calmness of the previous months. This gentle airflow, consistent since June, hints at the city’s inviting atmosphere during this time of year. Notably, while wind speeds fluctuated slightly in the spring, they have stabilized, offering a refreshing yet serene environment for locals and visitors alike. As the landscape transitions toward autumn, the enduring lightness of August’s breeze contributes to the picturesque beauty of Luzern, making it an ideal time for leisurely strolls by the lake or exploring the charming streets without the disruption of strong winds.
Weather in Luzern varies notably across the year, with each month offering distinct climate conditions. This page compares August’s weather to other months in Luzern, focusing on differences in temperature, rainfall, humidity, and UV levels.
August and January present starkly contrasting weather conditions. In August, temperatures can reach a balmy 30°C (87°F) during the day, with an average of 18°C (64°F) and minimums of 8°C (46°F). This summer month also sees significant rainfall, totaling 193 mm (7.6 in) over 16 days, accompanied by high humidity at 80%. In contrast, January experiences frigid temperatures, where the maximum reaches only 12°C (54°F), averaging 0°C (32°F) and dipping as low as -13°C (10°F). Despite having less precipitation at 138 mm (5.4 in) over 13 days, the humidity is notably higher at 92%, contributing to the cold, damp atmosphere. For more detailed information, you can check Luzern weather in January.
August and February present vastly different weather characteristics. In August, temperatures range from a refreshing 8°C (46°F) at night to a warm 30°C (87°F) during the day, with an average of 18°C (64°F). The month experiences significant rainfall, averaging 193 mm (7.6 in) across 16 days, paired with moderately high humidity at 80%.
In contrast, February brings a chillier climate, with temperatures dipping as low as -17°C (2°F) and peaking at a mild 16°C (62°F), averaging just 2°C (36°F). Despite receiving less precipitation at 107 mm (4.2 in) over 12 days, the month is characterized by higher humidity at 89%. For more detailed insights on February weather, you can check out Luzern weather in February.
When comparing the weather in August and March, we see a significant shift in temperatures and conditions. August features a broader temperature range, with a minimum of 8°C (46°F), an average of 18°C (64°F), and a maximum of 30°C (87°F), making it one of the warmer months. In contrast, March is much colder, with a minimum temperature of -13°C (8°F), an average of 4°C (40°F), and a maximum reaching 18°C (65°F). Precipitation is more prominent in August, totaling 193 mm (7.6 in) over 16 days, compared to March's 126 mm (5.0 in), also spread across 16 days. Humidity levels are relatively high in both months, with March slightly edging out at 87% compared to August's 80%. For a detailed look at March weather specifically, you can refer to Luzern weather in March.
August typically experiences warmer weather compared to April, with temperatures ranging from a minimum of 8°C to a maximum of 30°C (46°F to 87°F), while April sees cooler temperatures from -6°C up to 23°C (21°F to 73°F). Precipitation is more prevalent in August, with 193 mm (7.6 in) over 16 days, compared to April's 102 mm (4.0 in) over 12 days. Despite both months having high humidity levels, August averages at 80% compared to April's 84%. For those interested in the specifics of April weather, you can find more details here: Luzern weather in April.
When comparing the weather in August and May, notable differences can be observed. August enjoys a warmer average temperature of 18°C (64°F) with maximums reaching 30°C (87°F), while May's average temperature is considerably lower at 11°C (52°F) and peaks at 28°C (83°F). August also sees more rain, with precipitation totaling 193 mm (7.6 in) over 16 days, compared to May's 172 mm (6.8 in) over 19 days. Both months share a humidity level of 80%, contributing to a muggy atmosphere, but August experiences higher temperatures overall. For a more detailed look at May weather specifically, you can check out Luzern weather in May.
In comparison to June, August features a wider temperature range with minimums of 8°C (46°F) and maximums reaching up to 30°C (87°F), while June has slightly cooler temperatures ranging from 5°C (41°F) to 32°C (90°F). The average temperature in August is 18°C (64°F), making it warmer overall compared to June's average of 16°C (62°F). However, both months experience significant rainfall, with August receiving 193 mm (7.6 in) over 16 days and June slightly wetter at 202 mm (8.0 in) across 18 days. Humidity levels are quite similar, standing at 80% in August and 82% in June. For more details about June weather in Luzern, check out Luzern weather in June.
In comparing the weather of August and July, both months exhibit similar temperature ranges, with minimums around 8°C (46°F) and average temperatures of 18°C (64°F). However, July tends to be slightly warmer, with a maximum temperature of 31°C (89°F) compared to August's maximum of 30°C (87°F). Precipitation is notably high in both months, with August receiving 193 mm (7.6 in) over 16 days and July experiencing 199 mm (7.8 in) over 18 days. Moreover, humidity levels are slightly lower in August at 80% compared to July's 83%. For more detailed insights on June's weather conditions, you can visit Luzern weather in July.
In August, the weather tends to be warmer, with temperatures ranging from a minimum of 8°C (46°F) to a maximum of 30°C (87°F) and an average of 18°C (64°F). The month also sees significant rainfall, with a total of 193 mm (7.6 in) spread across 16 days, and humidity levels hovering around 80%. In contrast, September brings cooler temperatures, with minimums dropping to 3°C (37°F), maximums reaching 25°C (78°F), and an average of 14°C (58°F). While precipitation is lower in September at 138 mm (5.4 in) over 15 days, the humidity remains relatively high at 83%. For more detailed insights, you can check out the Luzern weather in September.
August weather typically features warmer temperatures, with daily averages around 18°C (64°F) and maximums reaching up to 30°C (87°F). It also tends to be more humid, with an average humidity of 80% and significant rainfall totaling 193 mm (7.6 in) over 16 days. In contrast, October brings cooler conditions, with average temperatures dropping to 10°C (50°F) and a maximum of 21°C (70°F). Although it is still relatively humid at 90%, precipitation decreases slightly to 158 mm (6.2 in) over 14 days. For a closer look at what to expect, you can visit Luzern weather in October.
August and November present strikingly different weather experiences. August typically boasts warmer temperatures, ranging from a minimum of 8°C to a maximum of 30°C, along with an average of 18°C. With significant precipitation of 193 mm spread over 16 days and a high humidity level of 80%, August can often feel quite muggy despite its warmth. In contrast, November temperatures drop, with a minimum of -4°C and a maximum of 20°C, averaging around 5°C. Though November has less precipitation at 97 mm over 13 days, the humidity is notably higher at 88%, contributing to a chillier atmosphere. For more detailed information, check out the weather specifics here: Luzern weather in November.
In August, Luzern experiences warm temperatures ranging from a minimum of 8°C (46°F) to a maximum of 30°C (87°F), with an average of 18°C (64°F). The month is characterized by significant rainfall, with precipitation occurring on 16 days and totaling 193 mm (7.6 in), all under relatively high humidity levels of 80%. In contrast, December brings much colder weather, with temperatures dropping to a chilly minimum of -9°C (16°F) and an average of just 2°C (35°F), peaking at 11°C (53°F). Although precipitation is slightly lower at 169 mm (6.6 in) over 18 days, the humidity rises to 90%, contributing to the wintry atmosphere. For more specific details about December weather, visit Luzern weather in December.
August in Luzern brings a delightful warmth, with temperatures reaching their peak compared to the cooler months, creating a vibrant atmosphere for outdoor activities. While the average temperature settles at a comfortable 18°C, the summer sun can boost it to a maximum of 30°C, enticing visitors to explore the stunning landscapes. However, the month is also marked by a significant amount of rainfall, with about half of the days experiencing precipitation, which adds to the region’s lush greenery. The humidity levels hover around 80%, making it feel a bit warmer, especially during the evenings. This contrast of warm days followed by cooler nights sets August apart from the other months. For a deeper understanding of Luzern's weather throughout the year, check out Luzern Climate.