August Weather in Bellinzona, Switzerland

Last updated: August 27, 2025

August in Bellinzona, Switzerland presents a delightful blend of summer warmth and refreshing humidity. The month boasts a maximum temperature of 29°C (84°F) and a comfortable average of 17°C (63°F), making it an ideal time for outdoor exploration. However, visitors should be prepared for intermittent rain, with 160 mm (6.3 in) of precipitation spread over 13 days, resulting in an 80% humidity level that adds a lush vibrancy to the scenery. Whether soaking up the sun or enjoying the cool breezes, August offers an enchanting atmosphere in this picturesque Swiss locale.

August Temperature in Bellinzona

In August, Bellinzona, Switzerland welcomes the height of summer with mild temperatures that create an inviting atmosphere for both locals and visitors. The month typically sees a minimum of 7°C (45°F) and a comfortable average temperature of 17°C (63°F), peaking at a pleasant 29°C (84°F). This warmth reflects a stark contrast to the winter months, where temperatures plunge to a frosty -16°C (3°F) in January. As the summer progresses, Bellinzona enjoys gradually increasing heat, making August a delightful time to explore its beautiful landscapes and historical sites, before the cooler fall temperatures begin to settle in come September.

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

The chart illustrates August temperature patterns in Bellinzona, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Bellinzona, 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).
JanFebMarAprMayJunJulAugSepOctNovDec303437455261636356483831
Data source: Temperature data for Bellinzona 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 Bellinzona

In August, Bellinzona experiences a significant uptick in precipitation, with a notable 160 mm (6.3 in) falling over the month, making it one of the wettest times of the year. This surge in rainfall often transforms the landscape, nourishing the lush surroundings. The rain graces the city for about 13 days, allowing for ample sunny breaks in between, which enhances the vibrant scenery. Compared to the preceding months, the increase in precipitation reflects a pattern of elevated rainfall as summer reaches its peak, hinting at the onset of autumn's wetter conditions. This creates a unique blend of natural beauty, where the verdant backdrop is invigorated by the frequent showers, often leaving locals and visitors alike captivated by the charming, albeit occasionally damp, atmosphere.

August Precipitation Trends in Bellinzona

The chart displays monthly precipitation patterns in Bellinzona, 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 Bellinzona, August typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec585493121165148125160126185149111
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Bellinzona

In Bellinzona, Switzerland, August welcomes a noticeable dip in humidity, averaging around 80%—similar to the levels seen in May. This slight decrease in moisture marks a transition from the peak summer months, where humidity hovers higher, peaking at 92% in January and remaining elevated throughout the early months of the year. Following August, humidity begins to rise again in September, climbing back to 83%, hinting at the approaching autumn. Overall, the trend reveals a summer peak that gradually recedes as the year progresses, creating a comfortable climate for residents and visitors alike.

August Average Humidity in Bellinzona

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

In August, Bellinzona, Switzerland, experiences a UV Index of 9, categorizing it as very high with a burn time of just 15 minutes. Following a peak in June and July, where the UV Index soared to 10, the intensity slightly decreases but remains significant. This trend reflects the summer's lingering sun, urging residents and visitors alike to take proper precautions against UV radiation. As summer fades into early autumn, September's UV Index drops to 7, signaling a gradual decline in solar exposure. For more details and updates on UV conditions, check the Bellinzona UV Index.

Maximum UV Index Levels in Bellinzona for August

The chart shows the monthly maximum UV Index (UVI) for Bellinzona 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 Bellinzona typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec24689101097532
Data source: Bellinzona 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 Bellinzona

In August, Bellinzona basks in a generous 362 hours of sunshine, marking a peak in summer's glow. The sunlit hours steadily increase from a modest 174 hours in January, reaching their zenith in July with 404 hours of radiant warmth. As summer begins to wane, August still offers robust sunshine, although a slight decrease is observed compared to the previous month. This trend reflects the seasonal progression typical for the region, where the vibrant summer gradually yields to the cooler hues of autumn, visible in the drop to 302 hours by September. With its blend of extensive sunny days and striking scenery, August in Bellinzona is a perfect nod to summer's lasting charm.

Monthly Sunshine Duration in Bellinzona: August Highlighted

The August sunshine duration represents the total number of hours Bellinzona 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.
JanFebMarAprMayJunJulAugSepOctNovDec174h225h301h330h350h379h404h362h302h265h194h193h
Data source: Bellinzona August Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Bellinzona During August

August in Bellinzona, Switzerland, enjoys a notable boost in sunshine, with a 51% chance of clear skies. This marks a significant increase compared to the earlier summer months, where the likelihood of sunny weather hovers around the mid to low 30% range. Following the peak in springtime sunshine during March at 59%, the chances dip slightly in April and May before maintaining a steady, yet lower percentage in June and July. August’s relatively high sun probability suggests a delightful culmination of summer, offering residents and visitors alike ample opportunities to bask in the warm, sunny days that characterize this enchanting locale.

Percentage of Sunny Days in August in Bellinzona

The chart illustrates the percentage of sunny days in Bellinzona 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 Bellinzona experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec33%42%59%46%38%35%38%51%38%43%41%48%
Data source: Bellinzona August chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Bellinzona in August

In Bellinzona, Switzerland, August marks a delightful transition in daylight duration as summer begins to wane, offering 14 hours of daylight. This month retains nearly the same luminous charm as July, with its peak of 15 hours, showcasing the region's long summer evenings. As the seasons progress, daylight steadily diminishes, dipping to 12 hours by September and further to 10 hours in October. This gradual reduction highlights the enchanting shift from summer's vibrant glow to the softer, crisper days of autumn, allowing residents and visitors to savor the fading warmth while preparing for the cooler months ahead.

Average Daylight Hours in Bellinzona for August

The chart illustrates the variation in daylight duration in Bellinzona throughout the year, with August highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 4m10h 20m11h 56m13h 34m14h 59m15h 41m15h 19m14h 4m12h 29m10h 52m9h 25m8h 40m
Data source: Bellinzona daylight hours, calculated by summing the hours between sunrise and sunset for each day.

August Winds in Bellinzona

In August, the winds in Bellinzona, Switzerland, tend to be gently mellow, with an average speed of 1.2 m/s (3 mph)—a continuation of the calm breezes that characterize the summer months. Throughout the warmer season, the wind speeds consistently hover around this mark, illustrating a serene atmospheric embrace. Notably, this trend of light winds presents a stark contrast to the sharper gusts felt in the winter months, particularly as December sees an uptick to 1.9 m/s (4 mph). This seasonal shift not only enriches the landscape but also invites both locals and visitors to enjoy the tranquil charm of late summer evenings, all while hinting at the refreshing change that autumn will soon bring.

Average August Wind Speed in Bellinzona

The chart displays monthly wind speed patterns in Bellinzona, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1.61.11.41.31.31.21.21.2 m/s1.11.21.41.9
Data source: Bellinzona August wind data, generated using information from the Copernicus Climate Change Service.

How August Weather in Bellinzona Compares to Other Months

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

The weather in August and January presents a stark contrast in Bellinzona. August features a mild temperature range with minimums around 7°C (45°F), averages of 17°C (63°F), and maximums reaching 29°C (84°F). This month is characterized by higher humidity levels at 80% and significant rainfall, with up to 160 mm (6.3 in) over 13 days. In comparison, January experiences much colder conditions, with minimums plummeting to -16°C (3°F), averages of -1°C (30°F), and maximums peaking at just 9°C (49°F). Despite its chill, January sees less precipitation at 58 mm (2.3 in) over 9 days, along with a humidity level of 92%, which can add to the perception of cold. For a detailed overview of January weather, you can visit Bellinzona weather in January.

August and February present strikingly different weather conditions. In August, temperatures range from a cool 7°C (45°F) at night to a warm maximum of 29°C (84°F) during the day, with an average of 17°C (63°F). The month is characterized by significant precipitation, totaling 160 mm (6.3 in) over 13 days and an average humidity of 80%. In contrast, February experiences much colder temperatures, with a minimum of -16°C (3°F) and an average of just 1°C (34°F), peaking at 17°C (64°F). Precipitation is also lower in February, at 54 mm (2.1 in) over 10 days, yet the humidity remains high at 89%. For more detailed information on February weather, you can visit Bellinzona weather in February.

The weather in August is significantly warmer compared to March, with average temperatures ranging from a minimum of 7°C (45°F) to a maximum of 29°C (84°F). In contrast, March experiences much cooler temperatures, starting with a minimum of -17°C (2°F) and peaking at 18°C (65°F), resulting in a sharp chill during early spring. Additionally, August is characterized by higher precipitation, totaling 160 mm (6.3 in) over about 13 days, while March sees less rainfall, measuring 93 mm (3.7 in) across 11 days. Humidity levels are also comparable, with August at 80% and March slightly higher at 87%. For more detailed information on March weather, you can check out Bellinzona weather in March.

When comparing the weather in August and April, there are notable differences in temperature and precipitation. August typically experiences a wider temperature range, with minimums around 7°C (45°F) and maximums reaching up to 29°C (84°F), resulting in an average of 17°C (63°F). In contrast, April's temperatures are milder, ranging from a low of -6°C (22°F) to a high of 21°C (70°F), with an average of just 7°C (46°F). While August sees more precipitation with 160 mm (6.3 in) over 13 days, April's rainfall is slightly less at 121 mm (4.8 in) over 11 days. Humidity levels are relatively high in both months, with August at 80% and April at 84%. For more detailed information on April weather, you can visit Bellinzona weather in April.

When comparing the weather in August and May, it's evident that August is generally warmer, with average temperatures reaching 17°C (63°F) compared to May's 11°C (52°F). The maximum temperature in August can climb to 29°C (84°F), offering a stark contrast to May's peak of 25°C (78°F). Both months experience significant precipitation, with August receiving 160 mm (6.3 in) over 13 days and May a slightly higher amount of 165 mm (6.5 in) across 19 days. Humidity remains consistent at 80% for both months, ensuring a moist atmosphere regardless of the season. For more detailed weather information, you can visit Bellinzona weather in May.

In comparing the weather between August and June, there are some notable differences and similarities. June tends to have slightly cooler temperatures, with averages around 16°C (61°F) compared to August's average of 17°C (63°F). However, June can experience higher maximum temperatures, peaking at 34°C (94°F), while August's maximum is more moderate at 29°C (84°F). Precipitation levels are comparable, with August receiving 160 mm (6.3 in) over 13 days and June slightly less at 148 mm (5.8 in) over 18 days. Humidity remains high in both months, with August at 80% and June a bit higher at 82%. For those interested in more detailed June weather patterns, you can refer to Bellinzona weather in June.

In comparing the weather between July and August, both months exhibit similar temperature ranges, with minimums around 7°C (45°F), averages near 17°C (63°F), and maximums reaching 29°C (84°F). However, August sees a higher total precipitation of 160 mm (6.3 in) over 13 days, compared to July's 125 mm (4.9 in) over 18 days. This increase in rainfall in August may contribute to a slight rise in humidity, recorded at 80% versus July's 83%. For a more detailed look at July weather conditions, you can visit Bellinzona weather in July.

August and September exhibit contrasting weather patterns. In August, temperatures range from a minimum of 7°C (45°F) to a maximum of 29°C (84°F), with an average of 17°C (63°F). The month is characterized by significant rainfall, totaling 160 mm (6.3 in) over 13 days, coupled with a humidity level of 80%. In comparison, September sees cooler temperatures, with a minimum of -1°C (30°F) and a maximum of 23°C (75°F), averaging 13°C (56°F). While precipitation decreases to 126 mm (4.9 in) over the same number of days, humidity rises slightly to 83%. For a detailed look at September weather specifics, you can visit Bellinzona weather in September.

In August, the weather tends to be warmer with temperatures ranging from a minimum of 7°C (45°F) to a maximum of 29°C (84°F), averaging around 17°C (63°F). This month is characterized by significant rainfall, totaling 160 mm (6.3 in) over approximately 13 days, and a high humidity level of 80%. In contrast, October sees much cooler temperatures, with lows dipping to -1°C (31°F) and highs reaching 21°C (70°F), averaging just 9°C (48°F). While October experiences slightly more rainfall at 185 mm (7.3 in), it has fewer rainy days, with precipitation expected on around 11 days, and humidity levels rise to 90%. For more detailed insights on October weather, check out Bellinzona weather in October.

August and November present stark contrasts in weather, with August featuring warmer temperatures ranging from a minimum of 7°C (45°F) to a maximum of 29°C (84°F) and an average of 17°C (63°F). In contrast, November's temperatures drop significantly, with a minimum of -10°C (14°F), an average of 4°C (39°F), and a maximum of 15°C (59°F). While August receives substantial rainfall of 160 mm (6.3 in) over 13 days and maintains a humidity level of 80%, November is slightly drier with 149 mm (5.9 in) of precipitation over 12 days and a humidity of 88%. For more detailed information about the weather during this month, visit Bellinzona weather in November.

August and December present stark contrasts in weather conditions. In August, temperatures range from a minimum of 7°C (45°F) to a warm maximum of 29°C (84°F), with an average of 17°C (63°F). The month experiences significant rainfall, measuring 160 mm (6.3 in) over 13 days, along with a relatively high humidity of 80%. In contrast, December brings much colder temperatures, with a minimum of -14°C (7°F) and a maximum of 10°C (50°F), resulting in an average of just 0°C (32°F). While precipitation decreases to 111 mm (4.4 in) over 11 days, humidity rises slightly to 90%. For more details on the winter conditions, you can check Bellinzona weather in December.

Compare Bellinzona's Climate with Cities Worldwide

Conclusion: What to Expect From August Weather in Bellinzona

As August unfolds in Bellinzona, the weather presents a delightful blend of warmth and moisture, distinct from the cooler, drier months that precede and follow it. With maximum temperatures reaching a pleasant 29°C (84°F), this month serves as a peak for summer warmth, transitioning into the more temperate fall season. While the average temperature holds steady at 17°C (63°F), the 160 mm of precipitation over approximately 13 days hints at the impending seasonal shift, fostering lush surroundings yet requiring an umbrella at times. The humidity level, climbing to 80%, often gives this month a memorable, soft embrace, making it feel warmer than the temperature suggests. For those curious about the broader weather patterns, explore more about the unique features of the Bellinzona Climate.