August Weather in Saint-Cergue, Switzerland

Last updated: August 27, 2025

August in Saint-Cergue, Switzerland, showcases a beautiful blend of summer warmth and refreshing humidity. With maximum temperatures soaring to 32°C (89°F) and an average of 19°C (66°F), visitors can enjoy ample opportunities for outdoor activities. However, the month is also marked by a notable 126 mm (5.0 in) of precipitation spread over 15 days, contributing to the region's lush landscapes. With humidity levels at 77%, the ambiance is pleasantly moist, making Saint-Cergue a captivating destination full of natural beauty and charm during the late summer days.

August Temperature in Saint-Cergue

In August, Saint-Cergue, Switzerland, enjoys delightful summer temperatures, creating a perfect backdrop for outdoor adventures. With minimums around 8°C (47°F) and averages reaching 19°C (66°F), the days are pleasantly warm, ideal for hiking and exploring the stunning alpine scenery. The maximum temperatures can soar to 32°C (89°F), ensuring plenty of sunshine for those looking to bask in the vibrant summer atmosphere. As summer winds down, the region's climate hints at an approaching autumn, but August remains a highlight, balancing warmth with the freshness of the surrounding mountains. This month exemplifies the transition of Saint-Cergue, showcasing a sweet spot in the year's temperature trends.

August Weather in Saint-Cergue: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in Saint-Cergue, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Saint-Cergue, 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).
JanFebMarAprMayJunJulAugSepOctNovDec363943495463676660524338
Data source: Temperature data for Saint-Cergue 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 Saint-Cergue

In August, Saint-Cergue experiences consistent precipitation with a total of 126 mm (5.0 in), mirroring the rainfall received in July. Both months contribute to the region’s lush greenery with approximately 15 days of rain, reflecting a steady pattern in the summer months. This trend of substantial rainfall continues from May's significant peak of 163 mm (6.4 in), showcasing the area's vibrant summer climate. As summer gives way to autumn, August's rainfall helps prepare the landscape for the transition into the cooler months, while still maintaining a moist atmosphere that supports local flora and fauna.

August Precipitation Trends in Saint-Cergue

The chart displays monthly precipitation patterns in Saint-Cergue, 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 Saint-Cergue, August typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec127981406516312613012694121116213
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Saint-Cergue

In August, Saint-Cergue experiences a noticeable dip in humidity, reaching 77%, the lowest level of the year. This decrease follows a trend of steadily declining humidity from the humid spring months, where levels began at 84% in April and gradually decreased to 82% in both June and July. As summer winds down, the transition into September sees a slight increase to 81%, indicating a return to higher humidity levels as the region prepares for autumn. Overall, August stands out as a pivotal month, capturing the shift from the warmth of summer toward the crispness of fall, all while maintaining a relatively moderate humidity that enhances the region's mountainous charm.

August Average Humidity in Saint-Cergue

This chart illustrates the average monthly humidity levels in Saint-Cergue, 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 Saint-Cergue is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%89%87%84%80%82%82%77%81%89%89%91%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Saint-Cergue

In August, the UV Index in Saint-Cergue, Switzerland remains at a striking value of 8, categorizing it as very high, with a burn time of just 15 minutes. This trend reflects the peak summer months, where the intensity of solar radiation is pronounced, similar to the month of May and slightly lower than the soaring heights of June and July. As summer winds down, it’s essential for both locals and visitors to remain vigilant about sun protection, as even a briefly unprotected exposure can lead to sunburn. As you enjoy the beautiful mountain scenery, be sure to check the full details at Saint-Cergue UV Index for optimal sun safety practices throughout the month.

Maximum UV Index Levels in Saint-Cergue for August

The chart shows the monthly maximum UV Index (UVI) for Saint-Cergue 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 Saint-Cergue typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2367810987532
Data source: Saint-Cergue 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 Saint-Cergue

In Saint-Cergue, Switzerland, August boasts an impressive 384 hours of sunshine, making it one of the sunniest months of the year. Following the peak of July, which shines with 414 hours, August maintains a vibrant luminosity, reflecting the region's allure during the summer. As summer wanes, the sun-kissed days of June and July set the stage for August, while the month transitions toward a gradual decline in sunshine, highlighted by the 327 hours in September. This trend underscores the enchanting play of seasons in Saint-Cergue, where summer's warmth lingers just a bit longer before autumn begins to assert itself.

Monthly Sunshine Duration in Saint-Cergue: August Highlighted

The August sunshine duration represents the total number of hours Saint-Cergue 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.
JanFebMarAprMayJunJulAugSepOctNovDec159h226h292h351h352h394h414h384h327h281h219h186h
Data source: Saint-Cergue August Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Saint-Cergue During August

In Saint-Cergue, Switzerland, the likelihood of sunny weather in August stands at 41%, reflecting a steady rise from the 15% chance in January. This month sits comfortably within the middle range of sunshine probabilities, influenced by the warmer temperatures of summer. Notably, while August offers a more favorable outlook for sun-seekers compared to the drab winter months, it doesn't quite reach the highs of early spring, where March shows an impressive 47% chance. As the summer unfolds, the consistent but fluctuating odds suggest that visitors may encounter a delightful mix of sunny days interspersed with occasional clouds, making August an appealing time for outdoor activities amidst the breathtaking Swiss Alps.

Percentage of Sunny Days in August in Saint-Cergue

The chart illustrates the percentage of sunny days in Saint-Cergue 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 Saint-Cergue experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec15%34%47%50%29%34%37%42%37%35%28%25%
Data source: Saint-Cergue August chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Saint-Cergue in August

In Saint-Cergue, Switzerland, the August daylight duration reflects a slow yet steady transition towards the shorter days of autumn. With the sun gracing the sky for an impressive 14 hours, August stands out as a time when daylight still lingers, allowing residents and visitors to savor the last rays of summer. This month marks a slight decline from the peak of 15 hours seen in June through July, illustrating a natural ebb as the days gradually shorten. The trend of increasing daylight from the deep winter months in January, with only 9 hours, showcases the region's vibrant seasonal changes, culminating in a lush summer experience before autumn begins to embrace the landscape.

Average Daylight Hours in Saint-Cergue for August

The chart illustrates the variation in daylight duration in Saint-Cergue throughout the year, with August highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 1m10h 19m11h 56m13h 36m15h 1m15h 44m15h 21m14h 5m12h 30m10h 50m9h 23m8h 37m
Data source: Saint-Cergue daylight hours, calculated by summing the hours between sunrise and sunset for each day.

August Winds in Saint-Cergue

In August, Saint-Cergue experiences a gentle breeze with an average wind speed of 1.9 m/s (4 mph), mirroring the calmness of the previous month. The summer winds, which peaked earlier at 2.6 m/s (6 mph) in April, gradually soften as the season transitions. This trend of decreasing wind speeds can be observed from May onward, where a slight dip occurs, stabilizing around the 1.9 m/s mark through August and September. As the year progresses, the winds gradually pick up again, indicating the onset of a shift towards autumn with speeds resuming to 2.1 m/s (5 mph) in the following months. This subtle dance of the winds in Saint-Cergue adds a serene touch to the picturesque Swiss landscape during the hot summer days.

Average August Wind Speed in Saint-Cergue

The chart displays monthly wind speed patterns in Saint-Cergue, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.52.12.32.62.21.71.91.9 m/s1.62.12.22.2
Data source: Saint-Cergue August wind data, generated using information from the Copernicus Climate Change Service.

How August Weather in Saint-Cergue Compares to Other Months

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

August and January in Saint-Cergue present a stark contrast in weather conditions. August boasts a range of temperatures from a mild 8°C (47°F) to a warm maximum of 32°C (89°F), accompanied by an average temperature of 19°C (66°F) and relatively high humidity at 77%. In contrast, January is much colder, with temperatures dipping to a minimum of -7°C (20°F) and an average of only 2°C (36°F), peaking at a modest 13°C (55°F). Despite the chill, January experiences similar precipitation levels to August, with 127 mm (5.0 in) across 12 days, though the humidity rises to 91%. This seasonal divergence is a vivid reminder of the region's climatic variations throughout the year. For more detailed insights, you can visit Saint-Cergue weather in January.

August and February present contrasting weather patterns. In August, temperatures reach a maximum of 32°C (89°F), offering warm days with an average of 19°C (66°F), while February's temperatures are significantly cooler, peaking at 17°C (62°F) with an average of only 4°C (40°F). While August experiences higher humidity levels at 77%, February is even more humid at 89%, which can make the cold feel more biting. Precipitation is also notable; August sees about 126 mm (5.0 in) over 15 days, whereas February has slightly less at 98 mm (3.9 in) across 12 days. For more detailed insights into February weather, you can visit Saint-Cergue weather in February.

In comparing the weather between August and March, it is evident that August experiences much warmer temperatures, with a minimum of 8°C (47°F) and a comfortable average of 19°C (66°F), peaking at a high of 32°C (89°F). In contrast, March is notably cooler, with temperatures ranging from a minimum of -9°C (16°F) to an average of 6°C (43°F), and a maximum of 20°C (69°F). Despite both months having similar levels of precipitation—with March receiving 140 mm (5.5 in) over 14 days and August getting 126 mm (5.0 in) over 15 days—March exhibits higher humidity at 87% compared to August's 77%. For more insights, check out Saint-Cergue weather in March.

When comparing the weather in August and April, notable differences emerge in temperature and precipitation levels. August typically boasts warmer conditions, with average temperatures around 19°C (66°F) and maximums reaching up to 32°C (89°F), while April's temperatures range from a chilly -3°C (27°F) to a mild 24°C (76°F), resulting in an average of 9°C (49°F). In terms of precipitation, August is considerably wetter, receiving 126 mm (5.0 in) over 15 days, compared to April's 64 mm (2.5 in) across 10 days. Humidity levels are also high in both months, with August at 77% and April slightly higher at 84%. For more specific details on the weather in April, you can refer to Saint-Cergue weather in April.

When comparing the weather in August and May, a notable difference in temperature is evident. August enjoys warmer temperatures, with an average of 19°C (66°F) and highs reaching up to 32°C (89°F), while May presents cooler conditions, averaging 12°C (55°F) and peaking at 26°C (79°F). In terms of precipitation, May sees a slightly higher amount of rainfall at 163 mm (6.4 in) over 17 days, compared to August's 126 mm (5.0 in) over 15 days. Humidity levels remain fairly consistent, with August at 77% and May slightly higher at 80%. Overall, August offers a more summery feel, whereas May leans toward a fresher, wetter climate. For more detailed information, visit Saint-Cergue weather in May.

In comparing the weather between August and June, both months feature similar temperature ranges, with minimums dipping to 8°C (47°F) and maximums reaching up to 32°C (89°F in August and 91°F in June). However, August typically has a higher average temperature of 19°C (66°F) compared to June's average of 17°C (64°F). Both months experience equivalent precipitation levels of 126 mm (5.0 in) over 15 days, but June has slightly higher humidity at 82%, while August's humidity is at 77%. For more information on June's weather, you can visit Saint-Cergue weather in June.

In comparing the weather between July and August, both months experience similar average temperatures, with July slightly warmer, registering a maximum of 33°C (91°F) compared to August's 32°C (89°F). However, August sees a lower minimum temperature, dropping to 8°C (47°F) compared to July's 10°C (50°F). Precipitation levels are quite comparable, with July experiencing 130 mm (5.1 in) and August at 126 mm (5.0 in), both spread over 15 days. Humidity is slightly lower in August at 77%, while July's humidity sits at 82%, indicating a more humid atmosphere during the earlier month. For a detailed look at July's weather, you can visit Saint-Cergue weather in July.

In comparing the weather of August and September, we notice a marked shift in temperature and precipitation patterns. August features warmer temperatures, with a minimum of 8°C (47°F), an average of 19°C (66°F), and a maximum of 32°C (89°F). It also experiences higher precipitation levels, totaling 126 mm (5.0 in) over about 15 days, with humidity at 77%. In contrast, September brings cooler temperatures, with a minimum of 5°C (41°F), an average of 15°C (60°F), and a maximum of 26°C (80°F). Precipitation decreases to 94 mm (3.7 in) across 12 days, accompanied by slightly higher humidity at 81%. For more specific insights about September weather in this region, you can view the details here: Saint-Cergue weather in September.

August and October present contrasting weather patterns, highlighting the transition from summer to autumn. In August, temperatures are warmer, with a minimum of 8°C (47°F) and a maximum of 32°C (89°F), averaging around 19°C (66°F). The month experiences considerable rainfall, with 126 mm (5.0 in) spread over 15 days and a humidity level of 77%. In contrast, October brings cooler temperatures, with a minimum of 1°C (34°F) and a maximum of 22°C (71°F), averaging only 11°C (52°F). Though it sees slightly less precipitation at 121 mm (4.8 in) over 13 days, the humidity increases to 89%. For more insights into the specific weather patterns in October, you can visit Saint-Cergue weather in October.

In August, temperatures range from a minimum of 8°C (47°F) to a maximum of 32°C (89°F), with an average of 19°C (66°F), making it a warm and generally humid month with 77% humidity. Rainfall is considerable, with 126 mm (5.0 in) of precipitation spread over 15 days. In contrast, November sees a significant drop in temperature, with a minimum of -1°C (31°F) and an average of just 6°C (43°F); the maximum reaches 17°C (64°F). Despite slightly less precipitation at 116 mm (4.6 in) over 14 days, November's humidity rises to 89%, creating a chillier and more damp atmosphere. For a closer look at November weather specifics, you can check Saint-Cergue weather in November.

August and December present starkly contrasting weather conditions. In August, temperatures range from a mild 8°C (47°F) at night to a warm 32°C (89°F) during the day, with an average of 19°C (66°F). This month also experiences significant rainfall, with 126 mm (5.0 in) over 15 rainy days and a humidity level of 77%. In contrast, December brings much colder temperatures, dipping as low as -5°C (24°F) and peaking at just 12°C (55°F), averaging around 3°C (38°F). The precipitation increases to 213 mm (8.4 in) over 19 days, paired with a higher humidity of 91%. For more details on the December climate, you can check Saint-Cergue weather in December.

Compare Saint-Cergue's Climate with Cities Worldwide

Conclusion: What to Expect From August Weather in Saint-Cergue

In August, Saint-Cergue unveils a vibrant tapestry of weather, marking a distinct shift from the cooler months. With temperatures peaking at a warm 32°C (89°F), this month offers a delightful blend of sunny days and refreshing humidity at 77%. However, it also greets visitors with occasional rains, accumulating around 126 mm (5.0 in) over 15 days. This lively mix not only allows for outdoor adventures but also ensures a flourishing landscape, setting it apart from the milder months preceding it. For a deeper dive into what the climate holds throughout the year, check out Saint-Cergue Climate.