Last updated: August 27, 2025
In August, Winterthur, Switzerland, experiences a captivating blend of summer warmth and occasional rain. With maximum temperatures reaching up to 35°C (95°F) and an average of 19°C (67°F), the weather invites outdoor exploration. However, visitors should prepare for the possibility of 12 days of precipitation, accumulating about 114 mm (4.5 in), often accompanied by a humidity level of around 80%. This unique interplay of sun and raindrops makes August a dynamic month, offering both vibrant sunny days and refreshing, cooler moments ideal for enjoying the lush landscapes of Winterthur.
In August, Winterthur, Switzerland, showcases a warm embrace with temperatures that signify the peak of summer. With minimums hovering around 8°C (46°F) and averages reaching a comfortable 19°C (67°F), the city basks in a vibrant atmosphere. The maximum temperatures can soar to a sweltering 35°C (95°F), reflecting the region’s tendency to peak during this month. As the summer transition toward autumn begins, the mild nights contrast beautifully with the warm days, making August an ideal time for outdoor adventures and exploring the lush landscapes of this enchanting Swiss locale.
In August, Winterthur experiences a notable precipitation of 114 mm (4.5 in), making it one of the wetter months in the summer season. With an average of 12 rainy days, this period marks a shift as the region prepares for the cooler months ahead. While May holds the record for the highest rainfall at 123 mm, August stands out for its consistent downpours that help replenish the local landscape before entering autumn. Interestingly, as summer transitions to fall, August's rainfall complements June's high of 138 mm, illustrating a trend of increased precipitation during these months. This seasonal rhythm not only supports the lush greenery typical of the region but also sets a backdrop for the approaching rainy days of September and October, where rainfall begins to taper off.
In Winterthur, Switzerland, August marks the transition into a less humid season, with an average humidity of 80%. This slight dip continues the gradual downward trend from the wetter months of early summer, where July recorded 83% humidity. Following a peak in January with a staggering 92% humidity, the trend shows a steady decline as the year progresses, reaching its lowest point in late summer. September sees a minor uptick to 83%, but the overall pattern indicates that as Winterthur moves toward autumn, residents can expect more comfortable and drier air, a welcome relief after the heightened humidity of winter months.
In August, Winterthur, Switzerland experiences a very high UV Index of 8, with a notably shorter burn time of just 15 minutes. This marks a slight decrease from the peak summer months of June and July, when the UV Index reached its highest at 9. As summer transitions into autumn, UV exposure decreases, with September showing a return to a high category at an index of 6. The trend clearly illustrates the escalating sun intensity leading up to August, necessitating sensible sun protection as you enjoy the summer's final days. For a detailed look at UV levels throughout the year, check out Winterthur UV Index.
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In Winterthur, Switzerland, August closes the summer season with a remarkable 375 hours of sunshine, making it one of the sunniest months of the year. This peak follows a steady climb from the depths of winter, where January sees a mere 147 hours, and gradually brightens through the spring. As days grow longer from March's 286 hours to June's 379 hours, the city basks in increasing warmth and sunlight. Although August's sunlight slightly dips from July's high of 406 hours, it remains abundant, paving the way for a vibrant September. This annual progression highlights Winterthur's transition from crisp winter days to gloriously sunny summers, showcasing the city's enchanting climate.
In Winterthur, Switzerland, August offers a moderate 38% chance of sunny weather, positioning it in the middle range of the year. This aligns closely with the trend observed during the summer months of June and July, which exhibit a similar likelihood of sunshine at 33% and 35%, respectively. Notably, this August percentage is an improvement over the earlier months of the year, such as January, with a mere 16%, and even the typically vibrant May, which dips to 35%. As the summer draws to a close, there’s a slight increase in sunny days leading into September, where the probability rises to 45%. Overall, while August in Winterthur may not guarantee beach-perfect weather, it still offers a fair chance to enjoy the sun amidst the scenic beauty of late summer.
In Winterthur, Switzerland, August marks a brief transition as daylight begins to wane, offering about 14 hours of sunlight. This transition follows the peak of summer, where daylight maintains a maximum of 15 hours in June and July. As the days start to shorten, the gradual decline continues into September, where daylight drops to 12 hours. This pattern reveals a rhythmic seasonal cycle, with winter months such as January and December providing only 8 hours of daylight, starkly contrasting the long, bright days of summer. The gradual increase in daylight from winter to spring and the subsequent decrease through fall encapsulates the beautiful ebb and flow of the seasons in this picturesque Swiss city.
In Winterthur, Switzerland, August brings a subtle calm, with an average wind speed of 1.9 m/s (4 mph), reflecting a noticeable dip from the slightly breezier spring months. This gentle breeze continues the trend established in the summer, where June and July also recorded low wind speeds of 1.8 m/s and 1.9 m/s, respectively. As summer transitions to autumn, September sees a further decline to 1.7 m/s, suggesting that the whispering winds of late summer are preparing the landscape for the stillness of winter. In contrast, the winter months show mild increases, with January hitting 2.5 m/s, reminding us that even in the coldest season, Winterthur's winds can stir. Overall, the data highlights a pattern of gentle breezes prevailing during the warmer months, setting a serene stage for the vibrant seasonal changes ahead.
Weather in Winterthur varies notably across the year, with each month offering distinct climate conditions. This page compares August’s weather to other months in Winterthur, focusing on differences in temperature, rainfall, humidity, and UV levels.
August and January present stark contrasts in weather. In August, temperatures typically range from a mild 19°C (67°F) on average, with a maximum reaching up to 35°C (95°F). The month sees significant rainfall, totaling 114 mm (4.5 in) over about 12 days, with humidity levels around 80%. Conversely, January is marked by much colder conditions, with average temperatures hovering around 1°C (34°F) and lows plummeting to -13°C (9°F). Although it experiences slightly less precipitation at 97 mm (3.8 in) over 11 days, the humidity is higher at 92%. For more insights into January weather, you can refer to Winterthur weather in January.
August and February present striking contrasts in weather conditions. August experiences a broader temperature range, with minimums around 8°C (46°F) and highs soaring up to 35°C (95°F), providing a warm and often humid atmosphere, as indicated by a high humidity level of 80%. In contrast, February offers a chillier climate, with minimum temperatures plunging to -12°C (10°F) and average highs reaching only 18°C (65°F). Precipitation is fairly steady in both months, with August receiving 114 mm over 12 days, while February sees 75 mm during the same number of days. For more specific insights on February weather, you can refer to Winterthur weather in February.
August and March exhibit stark differences in weather patterns. In August, temperatures range from a mild minimum of 8°C (46°F) up to a scorching maximum of 35°C (95°F), with an average of 19°C (67°F). The month sees about 114 mm (4.5 in) of precipitation spread over 12 days, coupled with high humidity levels around 80%.
In contrast, March experiences much cooler weather, with temperatures dipping as low as -12°C (11°F) and peaking at 20°C (69°F), averaging around 6°C (43°F). Precipitation is slightly lower at 86 mm (3.4 in) over 14 days, and humidity is somewhat higher at 87%. For a more detailed look at weather specifics, check out Winterthur weather in March.
When comparing the weather in August and April, notable differences emerge. August experiences a broader temperature range, with minimums around 8°C (46°F), average temperatures of 19°C (67°F), and maximums soaring up to 35°C (95°F). This month sees a significant amount of precipitation, totaling 114 mm over approximately 12 days, coupled with high humidity levels averaging 80%.
In contrast, April presents a cooler climate with minimum temperatures dropping to -4°C (25°F) and maximums reaching 26°C (79°F). It has less rain, with totals of 63 mm spread over 9 days, while humidity remains slightly higher at 84%. For more detailed insights on April weather, you can visit Winterthur weather in April.
When comparing the weather in August and May, it's clear that August tends to be warmer, with average temperatures reaching 19°C (67°F) and highs soaring to 35°C (95°F). In contrast, May's temperatures are generally cooler, averaging 13°C (56°F) and peaking at 30°C (87°F). Both months experience high humidity levels at 80%, contributing to a muggy atmosphere. Interestingly, while August receives slightly less precipitation at 114 mm (4.5 inches) over 12 days, May experiences a bit more, with 123 mm (4.9 inches) spread across 17 days. For a deeper look into May's weather, check out Winterthur weather in May.
When comparing August and June weather, August typically experiences slightly higher temperatures, with an average of 19°C (67°F) compared to June's average of 18°C (65°F). The maximums in August can reach 35°C (95°F), while June peaks at 33°C (92°F). Precipitation is also notable, with August receiving 114 mm (4.5 in) across 12 days, while June has a bit more precipitation at 138 mm (5.4 in) over 14 days. Humidity levels are similar in both months, hovering around 80% in August and 82% in June. For more detailed insights on June weather, you can refer to Winterthur weather in June.
In August, the weather in Winterthur tends to be slightly warmer, with an average temperature of 19°C (67°F) and a maximum of 35°C (95°F), compared to July, where the average temperature is a bit higher at 20°C (68°F), peaking at 36°C (96°F). Precipitation also increases in August, totaling 114 mm (4.5 in) over 12 rainy days, whereas July sees less rainfall at 92 mm (3.6 in) over 14 days. Humidity remains relatively high in both months, with August averaging 80% and July at 83%. For more details on July's weather, you can check Winterthur weather in July.
August typically experiences warmer temperatures, with a minimum of 8°C (46°F) and averaging around 19°C (67°F), while September sees cooler conditions, with a minimum of 3°C (38°F) and an average of 15°C (59°F). The maximum temperatures in August can reach up to 35°C (95°F), in stark contrast to September's peak of 29°C (84°F). Precipitation is slightly lower in September, totaling 84 mm (3.3 in) over 11 days compared to August's 114 mm (4.5 in) over 12 days. Humidity levels remain relatively consistent, with August at 80% and September slightly higher at 83%. For more detailed information, you can check Winterthur weather in September.
In comparing the weather patterns of August and October, we see a significant shift in temperature and overall conditions. August boasts a much warmer climate, with average temperatures reaching up to 19°C (67°F) and a maximum of 35°C (95°F), accompanied by relatively high humidity at 80%. In contrast, October experiences a notable drop, with average temperatures around 10°C (51°F) and highs peaking at 23°C (73°F). The cooler month also sees a minimal increase in humidity to 90% and slightly less precipitation, totaling 94 mm (3.7 in) over 12 days. For more detailed information, check out Winterthur weather in October.
August and November exhibit stark contrasts in weather conditions. August typically enjoys warmer temperatures, ranging from a minimum of 8°C (46°F) to a maximum of 35°C (95°F), with an average of 19°C (67°F). The month is characterized by considerable humidity, averaging around 80%, and experiences significant rainfall, with 114 mm (4.5 in) over about 12 days. In contrast, November sees a significant drop in temperatures, with a minimum of -3°C (26°F) and an average of only 5°C (41°F), while the maximum reaches 20°C (69°F). The month also has a relatively lower precipitation level of 62 mm (2.5 in) over 11 days, though humidity increases to 88%. The differences between these two months highlight the transition from the warmth of summer into the chill of early winter. For more specific details, check out the Winterthur weather in November.
August tends to offer a warm and humid climate, with temperatures ranging from a minimum of 8°C (46°F) to a maximum of 35°C (95°F) and an average of 19°C (67°F). The month sees about 114 mm (4.5 in) of precipitation over approximately 12 days, creating a lush environment. In contrast, December experiences significantly cooler temperatures, with lows plummeting to -8°C (19°F) and highs only reaching 14°C (57°F), resulting in an average temperature of 3°C (37°F). Precipitation rises slightly to 121 mm (4.8 in), but occurs over more days, totaling about 18, and the humidity is notably higher at 90%. For a more in-depth look at December weather, check Winterthur weather in December.
In August, Winterthur experiences a distinct climate that sets it apart from the cooler months. The temperatures soar, reaching up to a sizzling 35°C (95°F) during the day, yet the nights offer a refreshing contrast with average lows around 8°C (46°F). This month also sees the highest humidity levels, creating a muggy atmosphere that can be both invigorating and challenging. With about 12 days of precipitation throughout August, you can expect occasional rain to provide relief from the heat. For a deeper understanding of how this vibrant summer month fits into the overall climate patterns, explore more at Winterthur Climate.