August Weather in Appenzell, Switzerland

Last updated: August 27, 2025

August in Appenzell, Switzerland, serves up a delightful blend of summer warmth and picturesque landscapes. With temperatures soaring to a maximum of 30°C (87°F) and an average of 17°C (62°F), visitors can enjoy pleasant days, though they should be prepared for cooler nights dropping to a minimum of 6°C (43°F). The charm of this month is complemented by an average humidity of 80%, enhancing the lush scenery. However, be mindful of the 19 days of rain that bring a total precipitation of 233 mm (9.2 in), offering a refreshing respite and contributing to the region's enchanting beauty. Embrace the blend of sun and cloud, and discover the vibrant summer essence of Appenzell.

August Temperature in Appenzell

In Appenzell, Switzerland, August offers a delightful respite from the winter chill, with temperatures reflecting the height of summer. The month typically sees a minimum of 6°C (43°F) and an average of 17°C (62°F), making it a comfortable time for outdoor exploration. The maximum can reach a pleasant 30°C (87°F), allowing visitors to bask in the warm sunshine. This pattern of rising temperatures is a continuation of the pleasant June and July, where highs consistently flirt with the low 30s, setting the stage for a vibrant outdoor experience. As the summer draws to a close, August presents the ideal blend of warmth and refreshing coolness, marking it as one of the most enjoyable months in the region.

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

The chart illustrates August temperature patterns in Appenzell, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Appenzell, 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).
JanFebMarAprMayJunJulAugSepOctNovDec283338455261626255483931
Data source: Temperature data for Appenzell 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 Appenzell

August in Appenzell, Switzerland, marks a peak in precipitation, with an impressive 233 mm (9.2 in) of rain spread over 19 days. This uptick reflects the region's trend towards wetter summer months, as July also contributes significantly to the annual total with 211 mm (8.3 in). Following May and June, which already bring notable rainfall, August’s deluge solidifies the notion of a dynamic climate where moisture levels climb during the heart of summer. As autumn approaches, the precipitation levels begin to taper off, hinting at a transition to drier conditions in the months ahead. This pattern underscores Appenzell's character, where the lush landscapes thrive amidst the rich rainfall of late summer.

August Precipitation Trends in Appenzell

The chart displays monthly precipitation patterns in Appenzell, 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 Appenzell, August typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec1359712310318319121123315814288156
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Appenzell

August in Appenzell, Switzerland, experiences a notable dip in humidity, settling at 80%. This decrease follows a summer pattern where humidity tends to hover around the low 80s in June and July. As the month progresses towards September, humidity levels begin to rise again, indicating a return to the wetter conditions typical in the autumn months. Overall, while August remains on the drier side compared to the rest of the year, it marks a transitional period, bridging the milder summer air with the impending moisture of fall.

August Average Humidity in Appenzell

This chart illustrates the average monthly humidity levels in Appenzell, 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 Appenzell 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 Appenzell

As August rolls into Appenzell, Switzerland, the UV Index remains high at 8, categorized as very high, which means sun protection is essential during this month with a burn time of just 15 minutes. This trend marks a continuation of the intense UV exposure seen in July, when the index peaked at 10. While August’s UV levels are slightly lower than the peak summer months, they still warrant caution, especially for outdoor activities. Following this, a gradual decline in UV intensity is expected as the year progresses into September and October, reminding residents and visitors alike that while summer is winding down, the sun's rays remain potent. For detailed information about UV levels throughout the year, explore Appenzell UV Index.

Maximum UV Index Levels in Appenzell for August

The chart shows the monthly maximum UV Index (UVI) for Appenzell 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 Appenzell typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec24678101087532
Data source: Appenzell 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 Appenzell

In August, Appenzell enjoys a delightful 376 hours of sunshine, marking a slight dip from the sun-drenched heights of July, which boasts 409 hours. This month continues the trend of increasing daylight that begins in January, where the sun only graces the region with 170 hours. As spring transforms into summer, sunlight steadily rises, peaking in mid-summer before gradually easing into the autumn months. The sun-soaked days of May to July not only invite outdoor adventures but also showcase the beauty of the Swiss landscape, creating a vibrant backdrop for visitors and locals alike. As the sunlight begins to recede in September, the lingering warmth of August still beckons for those wishing to savor the last golden moments of summer in this picturesque region.

Monthly Sunshine Duration in Appenzell: August Highlighted

The August sunshine duration represents the total number of hours Appenzell 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.
JanFebMarAprMayJunJulAugSepOctNovDec170h235h306h357h370h390h409h376h316h282h223h192h
Data source: Appenzell August Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Appenzell During August

In August, Appenzell, Switzerland sees a 31% chance of sunny weather, marking a slight uptick from the drier summer months of July and June, which both hover around 30%. This seasonal pattern suggests that while the chances of basking in the sun are modest, August transitions towards a more favorable outlook, especially compared to the earlier winter months where sunshine is sparse—dropping as low as 18% in January. As summer wanes and autumn approaches, the likelihood of bright days starts to improve again in September, reaching 42%. So, while sunlit August days in Appenzell are somewhat elusive, the region is gradually shaking off the clouds, offering a glimpse into the clearer skies that follow.

Percentage of Sunny Days in August in Appenzell

The chart illustrates the percentage of sunny days in Appenzell 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 Appenzell experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec18%40%41%43%30%32%30%31%42%37%31%35%
Data source: Appenzell August chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Appenzell in August

In Appenzell, Switzerland, August marks a delightful transition as daylight begins to wane from the peak of summer. With 14 hours of daylight, the month showcases a beautiful balance between the long, sun-kissed days of June and July, which each bask in 15 hours. This gradual reduction hints at the approaching autumn, a season known for its vibrant colors and crisp air. As the year progresses, the longer daylight hours in spring and summer give way to shorter spans in fall and winter, creating a rhythmic change in the natural landscape. August stands as a reminder of summer’s lingering warmth while gently ushering in the tranquil charm of the upcoming season.

Average Daylight Hours in Appenzell for August

The chart illustrates the variation in daylight duration in Appenzell throughout the year, with August highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 57m10h 16m11h 56m13h 38m15h 5m15h 50m15h 26m14h 8m12h 30m10h 49m9h 19m8h 32m
Data source: Appenzell daylight hours, calculated by summing the hours between sunrise and sunset for each day.

August Winds in Appenzell

In August, the average wind speed in Appenzell, Switzerland dips slightly to 1.1 m/s (3 mph), marking it as one of the calmest months of the year. This gentle breeze contrasts with the more consistent wind patterns seen in earlier months, where averages hover around 1.4 m/s and higher. As the summer wanes, the softness of August's winds complements the serene landscape of the region. Notably, the trend of gradually decreasing wind speeds from June through August reflects the tranquil transition into autumn, creating a peaceful atmosphere ideal for enjoying the picturesque beauty of Appenzell.

Average August Wind Speed in Appenzell

The chart displays monthly wind speed patterns in Appenzell, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1.41.51.31.41.51.21.21.1 m/s1.21.41.21.5
Data source: Appenzell August wind data, generated using information from the Copernicus Climate Change Service.

How August Weather in Appenzell Compares to Other Months

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

August and January present stark contrasts in weather. August boasts a much warmer climate, with temperatures ranging from a minimum of 6°C (43°F) to a maximum of 30°C (87°F) and an average of 17°C (62°F). This month experiences significant precipitation, averaging 233 mm (9.2 in) over about 19 days, accompanied by high humidity at 80%. In contrast, January is characterized by frigid temperatures, with a minimum of -23°C (-9°F) and a maximum of 11°C (52°F), averaging -2°C (29°F). The colder month sees lower precipitation levels of 134 mm (5.3 in) over 12 days, but with higher humidity at 92%. For more detailed information on January weather, you can visit Appenzell weather in January.

When comparing the weather in August and February, notable differences emerge. August typically boasts a milder climate with temperatures ranging from a minimum of 6°C to a maximum of 30°C, while maintaining an average of 17°C. It experiences significant rainfall, accumulating around 233 mm over 19 days, combined with a humidity level of 80%. In contrast, February is characterized by much colder temperatures, with lows plummeting to -18°C and an average high of just 16°C, resulting in an average temperature of 0°C. Precipitation in February is considerably lower, totaling 97 mm over 12 days, and humidity is slightly higher at 89%. These contrasting weather patterns highlight the seasonal shifts, making each month unique in its own right. For more detailed information on February weather, visit Appenzell weather in February.

When comparing the weather in August and March, notable differences emerge due to the contrasting seasons. In August, temperatures range from a pleasant 6°C (43°F) at night to a warm 30°C (87°F) during the day, with an average of 17°C (62°F). However, this month also sees a significant amount of rain, with 233 mm (9.2 in) of precipitation over 19 days, and humidity levels averaging around 80%.

In contrast, March experiences cooler temperatures, starting from a minimum of -20°C (-4°F) and peaking at 18°C (65°F), with an average temperature of 3°C (38°F). The month is less rainy, with 123 mm (4.8 in) of precipitation over 17 days, although the humidity remains high at 87%. For a more detailed look at March weather, you can visit Appenzell weather in March.

Comparing the weather in August and April reveals significant differences in both temperature and precipitation. In August, temperatures range from a minimum of 6°C (43°F) to a maximum of 30°C (87°F), making it the warmer month with an average of 17°C (62°F). However, it also experiences high precipitation, with about 233 mm (9.2 in) falling over 19 days, accompanied by a humidity level of 80%. In contrast, April has cooler temperatures, with a range from -12°C (11°F) to a maximum of 23°C (73°F) and an average of 7°C (45°F). It also sees less rainfall, totaling 103 mm (4.0 in) over 12 days, with a slightly higher humidity of 84%. For a closer look at the weather specifics, you can visit Appenzell weather in April.

When comparing the weather in August and May, August typically offers warmer temperatures with a minimum of 6°C (43°F) and an average of 17°C (62°F), soaring up to a maximum of 30°C (87°F). In contrast, May starts cooler, with temperatures ranging from a minimum of -6°C (21°F) to an average of 11°C (52°F) and a maximum of 28°C (83°F). While August sees a significant amount of precipitation at 233 mm (9.2 in) over 19 days, May experiences slightly less rainfall at 183 mm (7.2 in) across 21 days. Both months share a high humidity level of 80%. For more detailed information, visit Appenzell weather in May.

In comparing the weather of August and June, August tends to be slightly warmer, with average temperatures around 17°C (62°F) and a maximum peak of 30°C (87°F), while June has a similar average of 16°C (61°F) and a maximum of 31°C (88°F). However, August experiences higher precipitation, totaling 233 mm (9.2 in) over 19 days, compared to June's 191 mm (7.5 in) over the same number of days. Humidity levels are similar, with August at 80% and June marginally higher at 82%. For a closer look at the weather in June, visit Appenzell weather in June.

In comparing the weather of August to July, we see some notable differences. August experiences slightly cooler minimum and maximum temperatures, with a range of 6°C (43°F) to 30°C (87°F), while July's temperatures vary from 7°C (45°F) to 31°C (88°F). Precipitation is higher in August, amounting to 233 mm (9.2 in) over 19 days, compared to July's 211 mm (8.3 in) over 20 days, indicating that August tends to be wetter. The humidity levels are also marginally lower in August at 80%, compared to July's 83%. For more detailed information, you can check the Appenzell weather in July.

August and September present a noticeable shift in weather patterns. In August, temperatures range from a minimum of 6°C (43°F) to a maximum of 30°C (87°F), with an average temperature of 17°C (62°F). The month is characterized by high precipitation, totaling 233 mm (9.2 in) over 19 days, and humidity levels hover around 80%.

In contrast, September sees cooler temperatures, with a minimum of 0°C (32°F) and a maximum of 25°C (78°F), resulting in an average temperature of 13°C (55°F). The month has reduced precipitation of 158 mm (6.2 in) over 16 days and a slightly higher humidity of 83%. The transition from August to September marks a shift from warm, humid days to cooler, more stable weather. For more detailed weather insights, you can visit Appenzell weather in September.

August and October present distinct contrasts in weather patterns. In August, temperatures range from a minimum of 6°C (43°F) to a maximum of 30°C (87°F), with an average of 17°C (62°F). The month is marked by significant precipitation, totaling 233 mm (9.2 in) over 19 days, accompanied by a humidity level of 80%. In contrast, October experiences cooler temperatures, with a minimum of -2°C (28°F) and a maximum of 21°C (70°F), averaging around 9°C (48°F). Although October sees less rainfall at 141 mm (5.6 in) over 14 days, it has a slightly higher humidity level of 90%. For more detailed insights on the weather in October, you can explore Appenzell weather in October.

August and November present contrasting weather patterns, showcasing the transition from summer to winter. In August, temperatures can reach a maximum of 30°C (87°F) with an average of 17°C (62°F), while November sees much cooler averages, peaking at 19°C (66°F) but often dropping to a chilling minimum of -8°C (17°F). Precipitation also varies considerably; August, with its humid climate, receives 233 mm (9.2 in) over 19 days, while November experiences less rainfall at 88 mm (3.5 in) across 11 days. Interestingly, humidity remains high throughout both months, reaching 80% in August and 88% in November, but the overall feel of the weather shifts dramatically. For more detailed information on November weather, visit Appenzell weather in November.

In August, the weather in Appenzell is characterized by warm temperatures, with a minimum of 6°C (43°F) and reaching up to a maximum of 30°C (87°F). The average temperature hovers around 17°C (62°F), accompanied by high humidity levels of 80% and significant precipitation, totaling 233 mm (9.2 in) over 19 days.

In stark contrast, December brings much colder conditions, with temperatures dropping to as low as -17°C (2°F) and peaking at 12°C (54°F). The average temperature sits at -1°C (31°F), while precipitation decreases to 156 mm (6.2 in) over 18 days, with humidity rising slightly to 90%. For more specific details, you can check out Appenzell weather in December.

Compare Appenzell's Climate with Cities Worldwide

Conclusion: What to Expect From August Weather in Appenzell

As August unfolds in Appenzell, the weather showcases a delightful blend of warmth and humidity, standing out distinctly from other months. With maximum temperatures soaring to 30°C, this period offers a notable reprieve from the cooler spring months and the more temperate summer, making it the ideal time for outdoor adventures. Despite the allure of warm days, visitors should be prepared for occasional rain, as the month averages 19 precipitation days, contributing to a humidity level of around 80%. Whether you're exploring the enchanting landscapes or enjoying local festivities, August's unique weather invites you to savor the beauty of Appenzell. For a deeper understanding of this region's climate, check out Appenzell Climate.