Last updated: February 24, 2025
Experience the vibrant August weather of Lake Geneva, United States, where temperatures rise to a maximum of 34°C (93°F), while settling at a comfortable average of 22°C (72°F). The summer warmth invites you to explore the great outdoors, although be prepared for the occasional shower, as the area sees about 91 mm (3.6 in) of precipitation over 11 days. With a humidity level of 76%, the air feels pleasantly warm, making it the perfect time to enjoy water activities or cozy evenings by the lake. Embrace the dynamic climate that characterizes this beautiful summer destination!
In August, Lake Geneva showcases its warmest temperatures of the year, with average highs reaching 34°C (93°F). Nights cool down to a comfortable minimum of 8°C (47°F), allowing for pleasant evenings by the lake. This month represents a peak in summer warmth, with day-to-day averages hovering around 22°C (72°F), inviting both locals and visitors to indulge in water activities and outdoor adventures. As summer transitions into fall, there’s a noticeable warmth radiating from the lake, contrasting sharply with the frigid cold of winter months that can plunge as low as -33°C (-28°F). The enduring warmth of August enhances the area's vibrant atmosphere, providing a perfect backdrop for picturesque views and memorable experiences.
In August, Lake Geneva experiences a noticeable shift in precipitation patterns, with a total of 91 mm (3.6 in) of rainfall over 11 days. This marks a slight increase from July's 84 mm (3.3 in), indicating a return to wetter conditions as summer wanes. The precipitation not only rejuvenates the lush landscape but also sets the stage for the transition into autumn. Compared to the wetter months of April and May, August's rainfall is moderate, but it still contributes significantly to the cumulative annual totals. As the warm summer days give way to cooler evenings, these August showers play a crucial role in maintaining the vibrant ecosystem surrounding the lake, highlighting the delicate balance of weather patterns in this charming region.
During August, Lake Geneva experiences a notable shift in humidity, dipping to 76%—the lowest point of the year. This decrease is part of a broader trend where humidity tends to decline from the spring months of May and June, which boast more substantial levels at 78% and 80% respectively. By contrast, the winter months of January through April maintain a consistent 85%, creating a stark backdrop to the summer's more variable climate. As summer transitions into fall, September sees humidity rise slightly to 79%, hinting at the gradual return of moisture before winter settles in. Overall, the humidity pattern reveals a dynamic seasonal rhythm, with August standing out as a moment of respite from the otherwise high humidity prevalence.
In August, Lake Geneva experiences a UV Index of 9, marking it as a month with very high sun exposure risk and a quick burn time of just 15 minutes. This trend continues from the peak levels observed in June and July, where the UV Index reached its maximum of 10. Following the summer months, the UV Index gradually decreases into September, yet the high exposure category remains. As the season progresses into autumn, sun protection becomes increasingly important to avoid harmful sunburns. For detailed insights and safety tips, visit Lake Geneva UV Index.
UV Risk Categories
In August, Lake Geneva basks in a delightful 336 hours of sunshine, providing a warm and inviting atmosphere that beckons both locals and visitors to enjoy its stunning landscapes. Following the sunniest month of July, which boasts a remarkable 360 hours, August maintains its vibrant glow, making it one of the peak times for outdoor activities and relaxation. As summer transitions into fall, the amount of sunlight begins to taper off in September, reflecting a gentle decline from the highs of summer. This trend illustrates Lake Geneva’s enchanting summer appeal, where the days are long and the sun is a cherished companion, encouraging everyone to embrace the outdoors before autumn sets in.
In August, Lake Geneva, United States, enjoys a promising likelihood of sunny weather, with a 47% chance of sunshine gracing the skies. This follows a noticeable upward trend from the cooler months, particularly after the mid-year peak in June and July, which both hover around the 45% mark. As summer reaches its zenith, August stands out, not only for its warmth but also for the increasing potential for clear, sunny days. With a gradual transition towards fall, September further improves the sun’s chances to 57%, making late summer an ideal time to soak in the sun's rays at this beautiful lakeside destination.
In August, Lake Geneva experiences a pleasant 13 hours of daylight, marking a subtle decline from the peak of 15 hours in June. This transition mirrors the gradual shift from the vibrant energy of summer to the cooler embrace of fall. As the days shorten slightly from July, nature begins to prepare for the autumnal changes ahead. The sunlight during this month invites locals and visitors alike to savor the warm, lingering evenings, fostering a sense of connection to the radiant beauty that surrounds them before the daylight continues to dwindle in the months to come.
August in Lake Geneva offers a tranquil respite, with average wind speeds dipping to 2.5 m/s (6 mph), the lowest of the year. This gentle breeze contrasts sharply with the more dynamic winds of early months, where March and November boast speeds of 4.2 m/s (9 mph) and 4.0 m/s (9 mph) respectively. The decline in wind during August can be seen as an invitation to fully embrace the serene beauty of the summer season, allowing for peaceful lakeside activities and leisurely strolls. As summer slowly transitions into autumn, September marks a resurgence with winds returning to 3.4 m/s (8 mph), hinting at the seasonal shifts ahead while still maintaining a calm atmosphere.
The weather in Lake Geneva changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of August's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Lake Geneva and find detailed weather information for every month.
August and January present strikingly contrasting weather patterns. In August, temperatures range from a pleasant minimum of 8°C (47°F) to a scorching maximum of 34°C (93°F), with an average of 22°C (72°F) and a significant humidity of 76%. The month also experiences about 91 mm (3.6 in) of precipitation over 11 days. In contrast, January brings frigid temperatures, plummeting to a minimum of -32°C (-25°F) and averaging -5°C (23°F), peaking at 14°C (57°F). The month has lower precipitation, totaling 61 mm (2.4 in) over just 8 days, and a higher humidity level of 85%. For a more detailed look at January conditions, check out Lake Geneva weather in January.
August weather is characterized by warm temperatures, ranging from a chilly 8°C (47°F) at night to a hot 34°C (93°F) during the day, with an average of 22°C (72°F). This month also sees considerable humidity at 76%, accompanied by 91 mm (3.6 in) of precipitation over approximately 11 days. In stark contrast, February presents a much harsher climate, with temperatures plummeting as low as -33°C (-28°F) and averaging around -4°C (25°F). While the maximum temperature can reach a mild 20°C (67°F), the overall feel is significantly colder, with higher humidity at 85% and less precipitation at 58 mm (2.3 in) over 9 days. To learn more about the specific conditions during February, you can check this link: Lake Geneva weather in February.
August and March present distinctly different weather experiences. August typically enjoys warmer temperatures, ranging from a minimum of 8°C (47°F) to an average of 22°C (72°F) and reaching a max of 34°C (93°F). In contrast, March can be quite chilly, with temperatures dipping as low as -22°C (-8°F), averaging just 3°C (37°F), and peaking at 24°C (75°F). Precipitation is more abundant in August, totaling 91 mm (3.6 in) over 11 days, while March sees a slightly lower precipitation level of 66 mm (2.6 in) across 10 days. Both months exhibit high humidity, but March's humidity at 85% is generally higher than August's 76%. For a closer look at March weather specifics, you can visit Lake Geneva weather in March.
When comparing the weather in August and April, it's clear that August tends to be warmer and drier than April. In August, temperatures range from a mild 8°C (47°F) at night to a warm average of 22°C (72°F) and reaching up to 34°C (93°F) during the hottest days, all while experiencing 91 mm (3.6 in) of precipitation over 11 days and a humidity level of 76%. Conversely, April is much cooler, with nighttime lows dipping to -8°C (17°F) and average daily highs of just 8°C (47°F), reaching a maximum of 27°C (81°F). April sees slightly more rainfall at 110 mm (4.3 in) spread over 14 days, along with high humidity at 85%. For more details on the specific conditions during April, you can visit Lake Geneva weather in April.
When comparing the weather in August and May, notable differences emerge in temperature and precipitation patterns. August enjoys warmer temperatures, with an average of 22°C (72°F) and peaks reaching up to 34°C (93°F), whereas May has a cooler average of 15°C (60°F), although it also can hit the same maximum of 34°C (93°F). In terms of precipitation, May is wetter, recording 154 mm (6.0 in) over 14 days compared to August's 91 mm (3.6 in) across 11 days. Humidity levels are relatively similar, with August at 76% and May slightly higher at 78%. For more detailed insights about weather in May, check out Lake Geneva weather in May.
In comparing the weather between August and June, both months experience similar maximum temperatures, reaching up to 34°C (94°F). However, August tends to be slightly warmer overall, with an average temperature of 22°C (72°F) compared to June's 21°C (71°F). While August has less precipitation at 91 mm (3.6 in) over 11 days, June sees a higher rainfall of 115 mm (4.5 in) over 13 days. Furthermore, humidity levels are slightly lower in August at 76%, compared to June's 80%. For a closer look at June weather specifics, you can visit Lake Geneva weather in June.
When comparing the weather in August to that of July, we notice some distinct differences. August experiences slightly cooler minimum temperatures, averaging 8°C (47°F), compared to July’s warmer minimum of 12°C (54°F). However, both months share the same maximum temperature of 34°C (93°F). August also has a higher average temperature of 22°C (72°F), though July is only marginally warmer at 24°C (75°F). In terms of precipitation, August sees a slight increase with 91 mm (3.6 in) over 11 days, while July has 84 mm (3.3 in) over 10 days. Humidity levels are relatively comparable, with August at 76% and July at 78%. For those interested in a more detailed look at July's weather, check out Lake Geneva weather in July.
August typically offers warmer weather compared to September, with average temperatures reaching up to 22°C (72°F) and maxing out at 34°C (93°F), while September sees a slight decrease, averaging 19°C (66°F) and peaking at 33°C (92°F). Additionally, August experiences about 91 mm (3.6 in) of rainfall over 11 days, whereas September has a slightly higher precipitation level of 104 mm (4.1 in) over 9 days. Humidity levels also rise modestly from 76% in August to 79% in September, contributing to a more humid feel as summer transitions into autumn. For a detailed look at September conditions, you can visit Lake Geneva weather in September.
August and October exhibit marked differences in weather, reflecting the transition from summer to autumn. In August, temperatures range from a comfortable minimum of 8°C (47°F) to an average of 22°C (72°F) and peak at 34°C (93°F), accompanied by a relatively high humidity level of 76%. Precipitation is moderate, with about 91 mm (3.6 in) falling over 11 days.
In contrast, October sees much cooler temperatures, with minimums dropping to -5°C (23°F) and an average of only 11°C (53°F), while the maximum temperature reaches up to 30°C (86°F). The month experiences slightly increased precipitation, totaling 119 mm (4.7 in) across 13 days, and higher humidity at 83%. For a detailed look at what to expect, check out Lake Geneva weather in October.
August and November present starkly contrasting weather scenarios. In August, temperatures range from a mild 8°C (47°F) at night to a hot 34°C (93°F) during the day, with an average of 22°C (72°F). The month is characterized by significant precipitation, totaling 91 mm (3.6 in) over 11 days, accompanied by a moderate humidity level of 76%. In contrast, November brings colder temperatures, with nighttime lows plunging to -16°C (4°F) and an average of just 3°C (37°F), peaking at a comfortable 24°C (75°F). The precipitation is less frequent, totaling 49 mm (1.9 in) over 7 days, but the humidity is higher at 88%. For more detailed insights about the weather in November, you can check Lake Geneva weather in November.
August and December present starkly contrasting weather patterns. In August, temperatures range from a pleasant 8°C (47°F) at night to a sweltering 34°C (93°F) during the day, with an average of 22°C (72°F). The month sees a fair amount of rainfall, totaling 91 mm (3.6 in) over 11 days, accompanied by relatively high humidity at 76%. In contrast, December plunges into winter, with temperatures dropping dramatically, spanning from a frigid -22°C (-7°F) to a milder 19°C (66°F), and averaging around -1°C (31°F). This month receives less precipitation, totaling 52 mm (2.1 in) over just 7 days, and experiences slightly higher humidity levels at 81%. For a detailed look at December's weather patterns, you can visit Lake Geneva weather in December.
August in Lake Geneva marks the transition to late summer, offering warmer days and higher humidity compared to earlier months. With a maximum temperature that can rise to 34°C (93°F), it invites residents and visitors alike to enjoy outdoor activities. Amidst this warmth, occasional rainfall—averaging around 91 mm—keeps the landscape lush and vibrant. Despite the heat, cool nights provide a refreshing contrast, with temperatures dipping to a minimum of 8°C (47°F), making it a unique month in the region's climate cycle. If you're planning to visit, you can explore more about the weather patterns in this lovely destination at Lake Geneva Climate.