August Weather in Schwyz, Switzerland

Last updated: August 27, 2025

In August, the charming region of Schwyz, Switzerland experiences a delightful mix of temperatures, with a maximum of 27°C (80°F) and an average of 15°C (59°F). Visitors can expect cooler nights, with temperatures dipping to a comfortable 5°C (41°F). August is moderately wet, featuring 231 mm (9.1 in) of precipitation over 19 days, which contributes to the lush, green scenery typical of this time of year. With humidity levels at around 80%, the air feels pleasantly fresh, making it an ideal month for outdoor adventures amidst the stunning landscapes of the Swiss Alps.

August Temperature in Schwyz

In August, Schwyz, Switzerland enjoys a delightful transition into late summer, with temperatures that invite both relaxation and exploration. The month typically sees a minimum of 5°C (41°F) and an average of 15°C (59°F), peaking at a pleasant 27°C (80°F). This warmth contrasts sharply with the brisk chill of winter months, showcasing a steady rise in temperatures as the year progresses. As one of the warmest months, August offers the perfect opportunity to embrace the beautiful landscapes and outdoor activities that Schwyz has to offer, all while basking in the sun before the arrival of autumn’s cooler embrace.

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

The chart illustrates August temperature patterns in Schwyz, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Schwyz, 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).
JanFebMarAprMayJunJulAugSepOctNovDec252934414757595952453528
Data source: Temperature data for Schwyz 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 Schwyz

August in Schwyz, Switzerland, is marked by a significant uptick in precipitation, with an impressive 231 mm (9.1 in) of rain over 19 days. This makes it one of the wettest months of the year, following closely behind June's 229 mm (9.0 in). The trend reveals that the summer months consistently experience elevated rainfall, peaking in August, which is often accompanied by lush greenery and vibrant landscapes. As the season transitions to autumn, the precipitation begins to taper off, with September seeing a reduction to 168 mm (6.6 in). This pattern not only highlights Schwyz's climatic variability but also emphasizes the region's unique ability to nurture its stunning natural beauty, nourished by the summer showers.

August Precipitation Trends in Schwyz

The chart displays monthly precipitation patterns in Schwyz, 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 Schwyz, August typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec154108136114190229208231168162102190
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Schwyz

In Schwyz, Switzerland, August marks a noteworthy dip in humidity, dropping to 80%, a trend that follows the gradual decrease seen throughout the summer months. Beginning the year with a high of 92% in January, humidity levels slowly decline until reaching their lowest point in August before climbing again into the autumn. This pattern illustrates a seasonal rhythm, where the air becomes less humid during the warm summer, providing a brief respite before the wetter months of September and October arrive, which see humidity levels rising once more. Overall, the subtle fluctuations in humidity throughout the year reflect Schwyz's dynamic climate, where summer offers a temporary pause before the return of the lush, moisture-rich environment.

August Average Humidity in Schwyz

This chart illustrates the average monthly humidity levels in Schwyz, 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 Schwyz is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec92%89%87%84%80%82%83%80%83%90%89%90%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Schwyz

In August, Schwyz experiences a UV Index of 8, indicated as very high, which means sun safety measures are crucial to prevent skin damage. This month marks a slight decrease from July's peak of 9 but maintains a significant risk for sunburn, with a burn time of just 15 minutes. As the summer progresses, it’s essential for residents and visitors alike to stay aware of their exposure, reflecting a consistent trend in UV radiation during these warmer months. The elevation in UV levels from earlier months—notably from January's low index of 2—underscores the importance of protecting your skin, especially when engaging in outdoor activities. For more insights and updates on UV exposure throughout the year, check out the detailed Schwyz UV Index.

Maximum UV Index Levels in Schwyz for August

The chart shows the monthly maximum UV Index (UVI) for Schwyz 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 Schwyz typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2357810986432
Data source: Schwyz 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 Schwyz

August in Schwyz, Switzerland, offers a delightful reprieve with 377 hours of sunshine, making it one of the sunniest months of the year. As summer peaks, the sunshine hours gradually decline from the July high of 410 hours, yet remain significant. The trend shows a vibrant progression from 163 hours in January to the bright, sun-drenched days of August, illustrating a steady ascent that culminates in the warmth of late summer. Following August, the days begin to shorten again, a reminder of the transition into autumn with 314 hours in September. This pattern not only highlights the seasonal charm of Schwyz but also invites outdoor enthusiasts to relish the lingering summer sun before the days grow shorter.

Monthly Sunshine Duration in Schwyz: August Highlighted

The August sunshine duration represents the total number of hours Schwyz 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.
JanFebMarAprMayJunJulAugSepOctNovDec163h227h299h355h365h382h410h377h314h275h211h183h
Data source: Schwyz August Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Schwyz During August

In Schwyz, Switzerland, the likelihood of sunny weather in August stands at 30%, a trend that reflects the region's consistently moderate sunshine throughout the summer months. While July enjoys a similar chance of sunny days, it’s interesting to note that the peak sunshine months generally occur in the spring, with March and April showcasing some of the highest probabilities at around 41% and 40%, respectively. Despite August matching the summer dynamics, its sunshine likelihood remains lower than earlier spring months. This pattern suggests that while August can offer beautiful weather, visitors should be prepared for some cloud cover as summer transitions into the early hints of autumn in September.

Percentage of Sunny Days in August in Schwyz

The chart illustrates the percentage of sunny days in Schwyz 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 Schwyz experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec18%38%41%40%30%29%30%30%36%40%31%37%
Data source: Schwyz August chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Schwyz in August

As summer wanes in August, Schwyz, Switzerland, enjoys a generous 14 hours of daylight, making it one of the last months of summer where long days still reign. This month marks a gradual decline from the peak of 15 hours experienced in June through July, reflecting the transition towards autumn. As daylight begins to shorten, residents and visitors alike can still relish in the lingering warmth and brightness of late summer. The shift towards the fall months indicates a slow but steady decrease in daylight, dropping to 12 hours in September and continuing downward, setting the rhythm for the cozy, darker months ahead. This trend showcases the natural progression of light throughout the year, inviting everyone to make the most of those beautiful, sun-soaked August days.

Average Daylight Hours in Schwyz for August

The chart illustrates the variation in daylight duration in Schwyz throughout the year, with August highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 58m10h 17m11h 56m13h 37m15h 4m15h 48m15h 25m14h 7m12h 30m10h 49m9h 20m8h 34m
Data source: Schwyz daylight hours, calculated by summing the hours between sunrise and sunset for each day.

August Winds in Schwyz

In August, the gentle breeze in Schwyz, Switzerland, is a continuation of the calm winds that define the summer months, with an average speed of 1.3 m/s (3 mph). This consistent airflow mirrors the preceding months of July and June, where wind speeds remained steady and unintrusive. Interestingly, throughout the year, Schwyz experiences a slight ebb and flow in wind speed, with the winter months typically showing a bit more variability. However, as late summer unfolds, the wind maintains its soft presence, providing a serene backdrop to the stunning alpine scenery, making it an ideal time for leisurely outdoor pursuits. This tranquil wind pattern, which persists into early fall, reflects the calm beauty and inviting atmosphere of the region, creating a perfect escape in the heart of Switzerland.

Average August Wind Speed in Schwyz

The chart displays monthly wind speed patterns in Schwyz, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1.61.71.31.41.51.31.31.3 m/s1.31.51.31.5
Data source: Schwyz August wind data, generated using information from the Copernicus Climate Change Service.

How August Weather in Schwyz Compares to Other Months

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

The comparison between August and January weather highlights a stark contrast in temperatures and conditions. August typically experiences milder temperatures, ranging from a minimum of 5°C (41°F) to a comfortable maximum of 27°C (80°F), accompanied by high humidity levels of around 80%. However, it also sees significant rainfall, with 231 mm (9.1 in) over approximately 19 days. In stark contrast, January brings frigid conditions with temperatures plummeting to a minimum of -18°C (-1°F) and an average around -4°C (26°F). While the precipitation is lower at 154 mm (6.1 in) over 12 days, the humidity is slightly higher at 92%, creating a brisk and chilly atmosphere. For further details on January weather, visit Schwyz weather in January.

August and February in Schwyz demonstrate a striking contrast in weather conditions. August sees milder temperatures with a minimum of 5°C (41°F), an average of 15°C (59°F), and a maximum of 27°C (80°F). In contrast, February is much chillier, with temperatures ranging from a minimum of -21°C (-5°F) to a maximum of 12°C (54°F), averaging -2°C (30°F). Additionally, August experiences significant rainfall with 231 mm (9.1 in) over 19 days, whereas February has a total of 108 mm (4.2 in) spread over 12 days. Humidity levels are relatively high in both months, peaking at 89% in February compared to 80% in August. For more details, you can check Schwyz weather in February.

August and March showcase stark contrasts in weather patterns. In August, temperatures range from a chilly 5°C (41°F) at night to a warm 27°C (80°F) during the day, with an average of 15°C (59°F). This month also sees significant rainfall, totaling 231 mm (9.1 in) over 19 days, accompanied by high humidity levels of 80%. Conversely, March experiences much colder conditions, with temperatures dipping as low as -24°C (-10°F) at night, while peaking at 16°C (62°F) during the day, leading to an average of just 1°C (34°F). Though precipitation is lower at 136 mm (5.3 in) spread over 17 days, humidity is slightly higher at 87%. For a detailed look at March weather, you can check out Schwyz weather in March.

In comparing the weather between August and April, significant differences are evident. August boasts higher average temperatures, with a minimum of 5°C (41°F) and a maximum reaching 27°C (80°F), while April's temperatures range from a chilling minimum of -16°C (4°F) to a maximum of 20°C (68°F). Precipitation levels also differ, with August experiencing 231 mm (9.1 in) over 19 days as opposed to April's 114 mm (4.5 in) over 14 days. Surprisingly, despite being warmer, August has slightly lower humidity at 80%, compared to April's 84%. For more details on April weather, visit Schwyz weather in April.

When comparing the weather conditions in August and May, August typically offers warmer temperatures with a minimum of 5°C (41°F) and an average high of 27°C (80°F), compared to May's minimum of -9°C (15°F) and a maximum of 25°C (77°F). Despite being warmer, August experiences a higher total precipitation of 231 mm (9.1 in) over 19 days, while May sees 190 mm (7.5 in) over 22 days, maintaining a similar humidity level of 80% for both months. This makes August feel more humid, while May's cooler temperatures provide a brisk atmosphere. For more detailed insights on May weather, you can visit Schwyz weather in May.

When comparing the weather in August and June, we notice that August is generally warmer, with average temperatures around 15°C (59°F) compared to June's 14°C (57°F). Both months see similar maximum temperatures, with June peaking at 29°C (85°F) and August reaching 27°C (80°F). Precipitation levels are nearly identical, with August receiving 231 mm (9.1 in) over 19 days and June slightly less at 229 mm (9.0 in) over 20 days. Humidity levels are quite comparable as well, with August at 80% and June at 82%. For a closer look at Schwyz's June weather, you can visit Schwyz weather in June.

In comparing the weather between July and August, both months exhibit similar minimum and average temperatures, with July peaking slightly higher at a maximum of 29°C (84°F) compared to August's 27°C (80°F). Precipitation is notably higher in August, totaling 231 mm (9.1 in) over 19 days, while July sees a bit less with 208 mm (8.2 in) over the same number of days. Humidity levels remain quite high in both months, though July has a slightly higher average at 83%, compared to August's 80%. For more detailed insights on July weather, you can visit Schwyz weather in July.

August typically features warmer temperatures with a minimum of 5°C (41°F) and an average of 15°C (59°F), peaking at a comfortable 27°C (80°F). However, it also experiences significant rainfall, with 231 mm (9.1 in) spread over 19 days and humidity levels around 80%. In contrast, September sees cooler weather, with temperatures dropping to a minimum of -1°C (30°F) and an average of 11°C (52°F), while the maximum reaches 23°C (74°F). The month has less precipitation than August, totaling 168 mm (6.6 in) over 16 days, and slightly higher humidity at 83%. For more detailed information on weather patterns, you can refer to Schwyz weather in September.

August and October present starkly contrasting weather conditions. In August, temperatures typically range from a minimum of 5°C (41°F) to a maximum of 27°C (80°F), with an average temperature of 15°C (59°F). The month experiences significant rainfall, accumulating 231 mm (9.1 in) over 19 days, and the humidity hovers around 80%. In contrast, October sees much cooler temperatures, with a minimum of -3°C (26°F) and a maximum of 18°C (65°F), resulting in an average of just 7°C (45°F). Although October has less precipitation at 162 mm (6.4 in) over 14 days, the humidity rises slightly to 90%. For more detailed information, visit Schwyz weather in October.

August and November present stark contrasts in weather. In August, temperatures range from a cool 5°C (41°F) to a warm 27°C (80°F), with an average of 15°C (59°F). The month is marked by significant rainfall, totaling 231 mm (9.1 inches) over 19 days, and humidity levels hover around 80%. In contrast, November experiences much colder conditions, where temperatures drop to a minimum of -11°C (12°F) and an average of only 2°C (35°F), peaking at 17°C (62°F). Despite the colder temperatures, November sees less precipitation at 102 mm (4.0 inches) over 12 days, with humidity slightly higher at 88%. For more detailed insights about November weather, visit Schwyz weather in November.

August and December present strikingly different weather conditions. In August, temperatures range from a minimum of 5°C (41°F) to a maximum of 27°C (80°F), with an average of 15°C (59°F). The month experiences substantial rainfall, totaling 231 mm (9.1 in) over 19 days, paired with high humidity at 80%. In contrast, December is much colder, featuring temperatures that fluctuate from a brisk minimum of -15°C (6°F) to a maximum of 8°C (47°F), and an average of -2°C (29°F). Despite having slightly lower total precipitation at 190 mm (7.5 in) over the same number of days, December's humidity is higher at 90%. For more detailed weather information, you can visit Schwyz weather in December.

Compare Schwyz's Climate with Cities Worldwide

Conclusion: What to Expect From August Weather in Schwyz

As August settles in Schwyz, the weather experiences a notable shift that distinguishes it from the rest of the year. With higher temperatures peaking at a warm 27°C (80°F) and a comfortable average of 15°C (59°F), the month invites outdoor enthusiasts to explore its picturesque landscapes. However, August also brings increased humidity and frequent rainfall, with about 19 rainy days contributing to a total of 231 mm (9.1 in) of precipitation, making it one of the wetter months. This blend of warmth and moisture creates a lush, vibrant atmosphere that marvels both residents and visitors. For a deeper dive into the climate trends, check out Schwyz Climate.