August Weather in Bern, Switzerland

Last updated: August 27, 2025

August in Bern, Switzerland offers a delightful summer experience, with temperatures ranging from a maximum of 34°C (93°F) to a comfortable average of 19°C (67°F), while the nights cool down to a pleasant minimum of 8°C (47°F). Visitors should be prepared for occasional rain, as the month sees about 98 mm (3.8 in) of precipitation over 12 days, contributing to a humidity level of 77%. This combination of warmth and moisture creates a vibrant atmosphere, making August an excellent time to explore the picturesque scenery and cultural offerings of Bern.

August Temperature in Bern

In August, Bern, Switzerland basks in the warmth of summer, with temperatures showcasing a pleasant range. The minimum temperature hovers around 8°C (47°F), while the average settles at a comfortable 19°C (67°F). The city can also experience maximums reaching up to 34°C (93°F), reflecting the lingering heat of summer as the month progresses. This pattern highlights a gradual transition from the sweltering July highs, making August an ideal time for outdoor activities and exploration. As summer edges toward autumn, the temperatures begin to drop in the following months, yet August's warm embrace creates a vibrant atmosphere in the heart of Switzerland.

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

The chart illustrates August temperature patterns in Bern, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Bern, 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).
JanFebMarAprMayJunJulAugSepOctNovDec343843505665686759514136
Data source: Temperature data for Bern generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

August Precipitation in Bern

August in Bern, Switzerland, brings a moderate blend of rainfall, with 98 mm (3.8 in) of precipitation over an average of 12 days. This marks a slight increase from the preceding months, as the summer wraps up, and the region transitions toward autumn. The summer months tend to see heightened precipitation, with July reaching 104 mm (4.1 in), while August maintains a consistent level, indicating a steady climate typical for the season. The pattern suggests that while summer may offer warm days, it isn't shy about introducing a few refreshing showers, balancing sunshine with necessary rainfall. As the colder months approach, the precipitation levels begin to shift, with September showing a decrease to 61 mm (2.4 in), setting the stage for the drier autumn days ahead.

August Precipitation Trends in Bern

The chart displays monthly precipitation patterns in Bern, 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 Bern, August typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec917491611279310498629572125
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Bern

In August, humidity in Bern, Switzerland, typically drops to 77%, marking the year's lowest level. This decline follows a steady decrease from January's peak of 91%, creating a trend of gradual humidity reduction through the warmer months. The transition from the damp chill of winter to the summer's relatively drier atmosphere reflects the natural ebb and flow of the seasons. As autumn approaches, humidity begins to rise again in September, reaching 81%, hinting at the return of the wetter conditions typical of the latter part of the year. The overall pattern showcases Bern's dynamic climate, where each month holds its unique character, culminating in August's refreshing and crisp air.

August Average Humidity in Bern

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

In August, Bern experiences a UV Index of 8, categorized as very high, signifying significant sun exposure and a notably reduced burn time of just 15 minutes. This trend follows the peak summer months of June and July, both maintaining the same elevated UV levels. Although August sees a slight dip from July's peak, it's crucial for residents and visitors to remain vigilant. As summer transitions into autumn, the UV Index gradually declines, yet August’s sunshine reminds us to take precautions against UV radiation. For more detailed insights on sun exposure in Bern, visit Bern UV Index.

Maximum UV Index Levels in Bern for August

The chart shows the monthly maximum UV Index (UVI) for Bern 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 Bern typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235689986422
Data source: Bern 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 Bern

August in Bern, Switzerland, is a delightful continuation of the sun-kissed summer months, boasting 385 hours of sunshine. This marks a slight dip from July's peak of 417 hours, yet it remains significantly brighter than the earlier months of the year. After gradually increasing from the chilly 161 hours in January, the sunshine hours reach their zenith in midsummer, only to gracefully taper off in the fall, with September showing 325 hours. The transition from summer to autumn in Bern offers a beautiful blend of warm days and cooler evenings, making August a perfect moment to savor the lingering warmth before the cooler months set in.

Monthly Sunshine Duration in Bern: August Highlighted

The August sunshine duration represents the total number of hours Bern 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.
JanFebMarAprMayJunJulAugSepOctNovDec161h226h298h357h370h388h417h385h325h282h224h185h
Data source: Bern August Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Bern During August

In August, Bern, Switzerland experiences a slight increase in sunny weather, with a 38% chance of sunshine. This marks a modest improvement over the summer months of June and July, which see probabilities of 32% and 36% respectively. However, it's important to note that August's sunny potential is not the highest of the year; that distinction belongs to March and April, where chances soar to 44% and 47%. As summer transitions into autumn, the likelihood for sunny days remains comparatively favorable, making August a pleasant time for outdoor activities, even as the sun gradually begins to share the sky with clouds.

Percentage of Sunny Days in August in Bern

The chart illustrates the percentage of sunny days in Bern 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 Bern experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec14%34%44%47%33%33%36%38%39%34%25%29%
Data source: Bern August chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Bern in August

In Bern, Switzerland, August marks a gentle transition from the sun-drenched heights of summer into the cooler embrace of autumn. With approximately 14 hours of daylight, this month still boasts extensive sunshine, though a gradual decrease begins as the days shorten. Following the peak of 15 hours seen in June and July, August’s daylight duration hints at the shifting seasons, leading into September’s 12 hours. This pattern underscores a rhythmic ebb and flow of sunlight throughout the year, from the crisp 8 hours of January to the vibrant 15 hours of late spring and summer, before retreating again into the quieter, dimmer days of late autumn and winter.

Average Daylight Hours in Bern for August

The chart illustrates the variation in daylight duration in Bern 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 33m
Data source: Bern daylight hours, calculated by summing the hours between sunrise and sunset for each day.

August Winds in Bern

In August, one can expect a gentle breeze in Bern, Switzerland, with an average wind speed of 1.6 m/s (4 mph). This slight decrease in wind compared to previous months reflects a transition into the late summer, as the warm air begins to settle. Interestingly, this month marks one of the calmest periods of the year, following the mild winds of May at 2.4 m/s (5 mph) and July at 1.7 m/s (4 mph). As summer winds down and autumn approaches, the gradual decline in wind speeds can provide a serene backdrop for outdoor activities, allowing residents and visitors alike to enjoy the city's picturesque scenery without the distraction of strong gusts. Overall, August's gentle breezes contribute to a relaxed atmosphere, perfect for savoring Bern’s enchanting summer charm.

Average August Wind Speed in Bern

The chart displays monthly wind speed patterns in Bern, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.22.12.12.12.41.51.71.6 m/s1.51.81.92.1
Data source: Bern August wind data, generated using information from the Copernicus Climate Change Service.

How August Weather in Bern Compares to Other Months

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

August and January present starkly contrasting weather conditions. In August, temperatures range from a minimum of 8°C (47°F) to a maximum of 34°C (93°F), with an average of 19°C (67°F). The month experiences a total precipitation of 98 mm (3.8 in) over 12 days, and the humidity hovers around 77%, contributing to the warm and often muggy atmosphere. In contrast, January sees much colder temperatures, with a minimum of -14°C (6°F) and an average temperature of just 1°C (34°F). The maximum temperature reaches 17°C (63°F), but with high humidity at 91%. Winter precipitation is slightly lower at 91 mm (3.6 in) over the same 12 days, leading to a much drier and crisper feel than in summer. For more specific information, you can check Bern weather in January.

August and February present strikingly different weather patterns. In August, temperatures range from a mild 19°C (67°F) on average, peaking at a warm 34°C (93°F), while February experiences much colder conditions with an average of just 4°C (39°F) and a maximum temperature of 18°C (65°F). Precipitation is relatively common in both months, with August receiving 98 mm (3.8 in) across 12 days, and February seeing 74 mm (2.9 in) over 11 days. Interestingly, February's higher humidity at 89% contrasts with August's somewhat lower humidity of 77%. For more detailed insights on February weather, check Bern weather in February.

August and March present contrasting weather conditions. In August, temperatures range from a pleasant 19°C (67°F) on average, peaking at a hot 34°C (93°F), while the minimum temperature is a mild 8°C (47°F). This month experiences significant humidity at 77% and receives about 98 mm (3.8 in) of precipitation over 12 days. In stark contrast, March starts with much colder temperatures, with averages sitting at only 6°C (43°F) and a maximum of 21°C (70°F), while plunging to a minimum of -13°C (8°F). Although March sees slightly less precipitation at 91 mm (3.6 in), it is distributed over more days, totaling 15. The humidity is also higher in March, reaching 87%. For a detailed look at the weather variations, refer to Bern weather in March.

When comparing the weather in August and April, there are notable differences in temperature and precipitation. August typically boasts a wider temperature range, with minimums around 8°C (47°F), averages of 19°C (67°F), and maximums reaching up to 34°C (93°F). In contrast, April has cooler temperatures, with lows of -5°C (23°F), averages around 10°C (50°F), and highs peaking at 25°C (78°F). Additionally, August experiences higher precipitation levels, averaging 98 mm (3.8 in) over 12 days, compared to April's 61 mm (2.4 in) across 10 days. The humidity levels are also slightly lower in August at 77%, while April holds a higher average humidity of 84%. For more information on April weather specifically, you can visit Bern weather in April.

When comparing the weather in August and May, it's clear that each month offers a distinct climate experience. August boasts warmer temperatures, with an average of 19°C (67°F) and highs reaching up to 34°C (93°F), making it ideal for summer activities. In contrast, May presents cooler conditions, featuring an average temperature of 13°C (56°F) and a maximum of 30°C (86°F). While May experiences slightly higher precipitation at 126 mm (5.0 in) over 16 days, August is characterized by less rain, totaling 98 mm (3.8 in) over 12 days. The humidity levels are also similar, with August at 77% and May slightly higher at 80%. For more details on May's weather patterns, visit Bern weather in May.

In comparing the weather of June and August, both months experience similar maximum temperatures, with August reaching a high of 34°C (93°F) and June peaking slightly higher at 34°C (94°F). However, June typically has slightly cooler minimum temperatures, averaging around 6°C (42°F) compared to August's minimum of 8°C (47°F). Precipitation levels are fairly close as well, with June receiving 93 mm (3.7 in) over 15 days and August slightly higher at 98 mm (3.8 in) across 12 days. Humidity is also notable, with June exhibiting 82% humidity versus August's 77%. For more specific insights on June weather, you can explore Bern weather in June.

In comparing the weather between July and August, we see some notable differences. July tends to be slightly warmer, with an average temperature of 20°C (68°F) and a maximum reaching 36°C (97°F), whereas August has an average of 19°C (67°F) and a maximum of 34°C (93°F). Precipitation is also somewhat similar, with July experiencing 104 mm (4.1 in) over 14 days, compared to August's 98 mm (3.8 in) over 12 days. Humidity is slightly higher in July at 82%, while August maintains a humidity level of 77%. For more detailed insights on July weather in Bern, you can check this link: Bern weather in July.

August and September present a noticeable transition in weather. In August, temperatures range from a minimum of 8°C (47°F) to a maximum of 34°C (93°F), with an average temperature of 19°C (67°F). The month sees significant precipitation, totaling 98 mm (3.8 in) over approximately 12 days, and the humidity stands at 77%. In contrast, September experiences cooler temperatures, with a minimum of 3°C (38°F) and a maximum of 29°C (84°F), averaging 15°C (60°F). Precipitation decreases to 61 mm (2.4 in) over 11 days, and humidity slightly rises to 81%. This shift reflects the onset of autumn, making September distinctly cooler and wetter than August. For more detailed information, visit Bern weather in September.

In August, the weather is characterized by warmer temperatures, with a minimum of 8°C (47°F) and a maximum of 34°C (93°F). The average temperature hovers around a comfortable 19°C (67°F), complemented by relatively lower humidity at 77%. However, August also sees about 98 mm (3.8 in) of precipitation over approximately 12 days.

In contrast, October brings a noticeable drop in temperatures, with a minimum of -2°C (29°F) and a maximum of 23°C (73°F), resulting in an average of just 11°C (51°F). This month also features increased humidity at 89%, along with similar precipitation levels of 95 mm (3.7 in) across 13 days. For more detailed insights, you can check Bern weather in October. Overall, while both months experience significant rainfall, October ushers in cooler temperatures and higher humidity than August.

August and November present contrasting weather conditions. In August, temperatures range from a mild minimum of 8°C (47°F) to a warm maximum of 34°C (93°F), with an average of 19°C (67°F). Humidity is relatively high at 77%, and the month experiences a total precipitation of 98 mm (3.8 in) over 12 days.

In contrast, November brings cooler temperatures with a minimum of -4°C (25°F) and an average of only 5°C (41°F). The maximum temperature reaches 20°C (69°F), creating a significant drop compared to August. Despite a total precipitation of 72 mm (2.8 in) over the same 12 days, the humidity rises to 89%, making the air feel even colder. For a detailed overview, you can check Bern weather in November.

August and December showcase a stark contrast in weather. August experiences milder temperatures, with a minimum of 8°C (47°F) and a maximum of 34°C (93°F), averaging around 19°C (67°F). The month sees about 98 mm (3.8 in) of precipitation over 12 days with a humidity level of 77%. In contrast, December is much colder, with temperatures ranging from a minimum of -6°C (21°F) to a maximum of 14°C (57°F), averaging just 2°C (37°F). It also tends to be wetter, receiving 125 mm (4.9 in) of precipitation over 18 days and a higher humidity of 91%. For more detailed climatic insights, check out Bern weather in December.

Compare Bern's Climate with Cities Worldwide

Conclusion: What to Expect From August Weather in Bern

As summer reaches its peak in August, Bern experiences a delightful blend of warmth and humidity, with temperatures soaring to a maximum of 34°C (93°F), making it one of the hottest months of the year. While the average temperature is a pleasant 19°C (67°F), the nights can cool down to a refreshing 8°C (47°F), providing a welcome respite. Compared to other months, August sees increased precipitation with 12 rainy days and a total of 98 mm (3.8 in) of rain, a stark contrast to the drier months earlier in the season. This combination of warmth and occasional rain fosters a lush landscape, perfect for exploring the city's beautiful parks and gardens. For a deeper understanding of how weather shapes life in this captivating city, visit Bern Climate.