August Weather in Porrentruy, Switzerland

Last updated: August 27, 2025

August in Porrentruy, Switzerland, paints a vivid picture of summer's peak, with maximum temperatures soaring to 35°C (95°F) and an average of 19°C (67°F) providing warmth and sunshine. While visitors can bask in delightful weather, it's worth noting the minimum temperature dips to 6°C (43°F), ensuring cool evenings for a refreshing respite. This month sees a total precipitation of 110 mm (4.3 in) over about 15 days, underscoring a humid environment with an average humidity of 77%. Whether you're exploring the lush landscapes or enjoying the local culture, August's weather offers a dynamic blend of warmth and occasional rain, making it a unique time to experience this charming Swiss locale.

August Temperature in Porrentruy

In August, Porrentruy basks in the warmth of summer, with temperatures reflecting a vibrant and sunny season. The minimum temperature hovers around 6°C (43°F), providing a mild start to the day, while the average climbs to a comfortable 19°C (67°F), creating ideal conditions for outdoor activities. The days can get quite hot, with a maximum temperature reaching up to 35°C (95°F), making it one of the hottest months of the year. This trend of increasing warmth from the cooler months peaks in August, showcasing a delightful transition into late summer. As autumn approaches, one can expect a gradual cooling down, but for now, Porrentruy enjoys its sun-drenched days and balmy nights, perfect for exploring the scenic landscape.

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

The chart illustrates August temperature patterns in Porrentruy, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Porrentruy, 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).
JanFebMarAprMayJunJulAugSepOctNovDec343843495565676659514137
Data source: Temperature data for Porrentruy 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 Porrentruy

In Porrentruy, Switzerland, August brings a moderate precipitation amount of 110 mm (4.3 in), consistent with the rain-soaked summer months. Fifteen days of rainfall can be expected, making it a relatively wet time of year as the region transitions from the peak of summer into autumn. This trend of substantial precipitation continues the pattern established since May, where rainfall peaks at 144 mm (5.7 in), creating a lush landscape. While August sees a slight decrease compared to the preceding months, it remains an integral part of the overall wet season, embodying the characteristic dampness of the climate that sets up for the even rainier conditions in December.

August Precipitation Trends in Porrentruy

The chart displays monthly precipitation patterns in Porrentruy, 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 Porrentruy, August typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec11395108631441261151107210088157
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

August Humidity in Porrentruy

In Porrentruy, Switzerland, August marks a noticeable shift in humidity, as levels drop to 77%—the lowest point of the year. This trend showcases a gradual decline in humidity from the winter months, where percentages hover around 91% in January, down to 80% in May. By summer, while June and July maintain a relatively steady humidity of 82%, August signals the onset of drier conditions that carry into the fall. As the seasons transition, humidity begins to rebound, rising again in September to 81%, hinting at the inevitable return of higher moisture levels as autumn approaches. This cycle reflects Porrentruy’s unique climate, blending moderate summers with crisp, humid winters.

August Average Humidity in Porrentruy

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

In August, Porrentruy experiences a significant UV Index of 8, categorizing the exposure as very high and resulting in a burn time of just 15 minutes. This trend follows a peak in UV levels observed in July. The summer months see a notable increase in UV intensity, transitioning from a moderate index in March to an alarming high by May and June. As the month progresses, locals and visitors should remain vigilant about sun protection, especially as conditions begin to shift into the high category in September. For those planning outdoor activities, it's essential to stay informed about UV levels by checking the latest updates at Porrentruy UV Index. Stay safe and enjoy the sun wisely!

Maximum UV Index Levels in Porrentruy for August

The chart shows the monthly maximum UV Index (UVI) for Porrentruy 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 Porrentruy typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235689986421
Data source: Porrentruy 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 Porrentruy

August in Porrentruy, Switzerland, is a delightful continuation of the summer sunshine, boasting 391 hours of sunlight. As the warmest months peak, August holds onto the robust brightness seen in July, which claims the highest sunlight record at 416 hours. This slight decrease in sunlit hours from July is still ample, reflecting the pattern of late summer warmth that encourages outdoor activities and exploration. Following the lush, sun-soaked days of June and July, August’s sunshine gracefully transitions into the cooler months, as daylight hours begin to dwindle with the arrival of September’s 329 hours. This trend showcases Porrentruy's vibrant summer lifestyle, making August a perfect time to bask in the fading summer glow before autumn sets in.

Monthly Sunshine Duration in Porrentruy: August Highlighted

The August sunshine duration represents the total number of hours Porrentruy 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.
JanFebMarAprMayJunJulAugSepOctNovDec134h210h282h354h370h402h416h391h329h264h194h157h
Data source: Porrentruy August Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Porrentruy During August

In August, Porrentruy experiences a 39% chance of sunny weather, placing it in the middle range compared to other months. The likelihood of clear skies dips slightly from the height of summer in July, which enjoys a 40% chance of sunshine. This pattern reflects a gradual transition from the peak summer days of June and July, where the sun shines brighter and more frequently, to the slightly more temperate fall months ahead. Despite the reduced sunshine in August, it remains favorable compared to the earlier winter months, emphasizing the region's seasonal diversity. With September showcasing an uptick to 44%, those planning outdoor activities can still relish the warm, sunny days that linger into early autumn.

Percentage of Sunny Days in August in Porrentruy

The chart illustrates the percentage of sunny days in Porrentruy 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 Porrentruy experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec17%38%48%54%32%32%40%39%44%37%25%26%
Data source: Porrentruy August chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Porrentruy in August

In August, Porrentruy enjoys approximately 14 hours of daylight, marking a gradual transition from the long, sunlit days of summer towards the shorter days of fall. It represents a slight decline from the peak daylight hours of 15 hours found in June and July, signaling the end of the summer season. This decrease continues as daylight diminishes into September, where the hours of sunlight will further reduce to about 12 hours. Overall, August captures the lingering warmth of summer while hinting at the approaching autumn, creating a beautiful blend of vibrant days and cooler nights.

Average Daylight Hours in Porrentruy for August

The chart illustrates the variation in daylight duration in Porrentruy throughout the year, with August highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 55m10h 15m11h 56m13h 39m15h 7m15h 52m15h 28m14h 10m12h 30m10h 48m9h 17m8h 30m
Data source: Porrentruy daylight hours, calculated by summing the hours between sunrise and sunset for each day.

August Winds in Porrentruy

In August, Porrentruy experiences a gentle average wind speed of 2.1 m/s (5 mph), a slight dip compared to the breezier months of late spring, such as May, when winds peak at 3.2 m/s (7 mph). This prevailing calmness in August hints at the region's transition towards the cooler autumn months, with wind speeds gradually decreasing throughout the late summer into September. Notably, the winds of August align closely with those of July at 2.2 m/s (5 mph), presenting a consistent yet mellow breeze that complements the warmth of the season. Overall, the trend illustrates a steady decline in wind speed from the lively currents of mid-year, providing an inviting atmosphere ideal for leisurely pursuits in this serene Swiss town.

Average August Wind Speed in Porrentruy

The chart displays monthly wind speed patterns in Porrentruy, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.02.72.72.63.21.92.22.1 m/s2.02.32.42.9
Data source: Porrentruy August wind data, generated using information from the Copernicus Climate Change Service.

How August Weather in Porrentruy Compares to Other Months

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

August and January present starkly contrasting weather conditions. In August, temperatures range from a mild 19°C (67°F) on average, peaking at a hot 35°C (95°F), while January struggles with much colder averages, hovering around just 1°C (34°F) and a maximum of 14°C (58°F). Both months experience similar levels of precipitation, with August receiving 110 mm (4.3 in) over 15 days, and January slightly higher at 113 mm (4.4 in) across 13 days. However, August’s humidity at 77% is notably lower than January’s 91%, making the winter month feel much colder and damp. For more specific information on January weather, you can check Porrentruy weather in January.

August and February in Porrentruy showcase striking contrasts in weather. August typically features much warmer temperatures, peaking at a maximum of 35°C (95°F) and averaging around 19°C (67°F), while February experiences chillier conditions, with highs around 18°C (64°F) and an average of just 4°C (39°F). Precipitation is common in both months, with August receiving 110 mm over approximately 15 days and February slightly less at 95 mm over 12 days. Humidity is notably high in both months, reaching 77% in August and 89% in February, contributing to a distinct feel during each season. For more details on February conditions, check out Porrentruy weather in February.

August and March present contrasting weather patterns that highlight the seasonal transition. In August, temperatures range from a minimum of 6°C (43°F) to a maximum of 35°C (95°F), creating a warm and humid environment with an average temperature of 19°C (67°F). The month sees about 110 mm (4.3 in) of precipitation over 15 days, contributing to a humidity level of 77%.

In comparison, March experiences much cooler temperatures, with a minimum of -12°C (10°F) and an average of 6°C (43°F), peaking at 21°C (70°F). While precipitation is slightly lower at 108 mm (4.2 in) over the same number of days, the humidity level is higher at 87%, reflecting the lingering chill of winter. For a closer look at March weather specifics, visit Porrentruy weather in March.

When comparing the weather in August and April, distinct differences emerge. August typically boasts warmer temperatures, with a minimum of 6°C and an average of 19°C, peaking at a maximum of 35°C. In contrast, April experiences cooler conditions, including a minimum of -4°C and an average of 10°C, while the maximum reaches 26°C. Additionally, August sees more precipitation, with 110 mm spread over 15 days, compared to April's 63 mm over 10 days. Humidity levels are slightly lower in August at 77% versus April's higher 84%. For more insights on April weather, you can check out Porrentruy weather in April.

When comparing the weather in August and May, a noticeable distinction can be observed. August generally brings warmer temperatures, with an average of 19°C (67°F) compared to May’s 13°C (56°F). The maximum temperature in August can reach up to 35°C (95°F), while May sees a peak of 30°C (85°F). Despite being warmer, August experiences slightly less precipitation, totaling 110 mm (4.3 in) over about 15 days, compared to May’s 144 mm (5.7 in) across 17 days. Humidity levels are also quite similar, with August at 77% and May at 80%. For more detailed insights into May's weather patterns, you can visit Porrentruy weather in May.

In comparing the weather in August and June, we can see that both months feature relatively warm temperatures, though August tends to be slightly warmer overall. August has a minimum temperature of 6°C (43°F) and an average of 19°C (67°F), with a maximum reaching up to 35°C (95°F). In contrast, June starts off a bit cooler, with a minimum of 5°C (41°F) and an average of 18°C (65°F), peaking at 34°C (93°F).

Precipitation is fairly similar between the two months, with August receiving 110 mm (4.3 in) over approximately 15 days, while June sees a bit more rainfall at 126 mm (5.0 in) across 16 days. Humidity levels are slightly lower in August at 77% compared to June's 82%. For a more detailed look at June's weather, you can visit Porrentruy weather in June.

In comparing the weather of August and July, we see a slight decrease in the minimum temperature in August, dropping to 6°C (43°F) compared to July's minimum of 8°C (46°F). The average temperature remains stable between the two months, sitting at 19°C (67°F) in August and 20°C (67°F) in July. However, August experiences slightly higher maximum temperatures, reaching 35°C (95°F), just shy of July's maximum of 36°C (97°F). Precipitation in August totals 110 mm (4.3 in) over 15 days, which is marginally less than July's 115 mm (4.5 in) over 14 days. The humidity levels are also a bit lower in August at 77%, compared to July's 82%. For those interested in more detailed weather insights, you can find information on Porrentruy weather in July.

August experiences a wider temperature range, with minimums of 6°C (43°F) and maximums reaching up to 35°C (95°F), contributing to an average temperature of 19°C (67°F). The month is characterized by significant precipitation, totaling 110 mm (4.3 in) across 15 days, coupled with a humidity level of 77%. In contrast, September sees cooler temperatures, with a minimum of 2°C (36°F), a maximum of 30°C (86°F), and an average of 15°C (60°F). Precipitation decreases to 72 mm (2.8 in) over 10 days, while humidity rises slightly to 81%. The transition from August to September marks a shift towards cooler and drier conditions. For more details on the weather in September, visit Porrentruy weather in September.

August and October present contrasting weather patterns that highlight the transition from summer to autumn. In August, temperatures range from a mild 19°C (67°F) on average, peaking at a hot 35°C (95°F), with relatively high humidity at 77%. This month also experiences significant rainfall, with 110 mm (4.3 in) spread over 15 days. In contrast, October sees a notable drop in temperature, with an average of 10°C (51°F) and maximums reaching only 24°C (75°F). Although precipitation amounts are similar at 100 mm (3.9 in), it occurs over fewer days (13 days), and humidity increases to 89%. For more insights on October's climate, you can refer to Porrentruy weather in October.

August and November present contrasting weather experiences. In August, temperatures range from a minimum of 6°C (43°F) to a maximum of 35°C (95°F), with an average of 19°C (67°F). This month typically sees 110 mm (4.3 in) of precipitation over approximately 15 days, and humidity levels average around 77%. In stark contrast, November's climate is much cooler, with temperatures dropping to a minimum of -3°C (26°F) and peaking at 20°C (68°F), averaging just 5°C (41°F). Precipitation levels are slightly lower at 88 mm (3.4 in) across 13 days, and humidity rises to 89%. For a more detailed look at what to expect, check out Porrentruy weather in November.

August weather is characterized by warm temperatures, with averages around 19°C (67°F) and highs reaching up to 35°C (95°F). The humidity level is relatively high at 77%, and despite only 15 days of rain, it accumulates to 110 mm (4.3 in) of precipitation. In contrast, December experiences much colder conditions, with average temperatures plummeting to around 3°C (37°F) and maximums of only 13°C (57°F). This month is also wetter, with 20 days of precipitation totaling 157 mm (6.2 in) and a higher humidity level of 91%. For a more detailed look at December weather in Porrentruy, you can visit Porrentruy weather in December.

Compare Porrentruy's Climate with Cities Worldwide

Conclusion: What to Expect From August Weather in Porrentruy

As summer reaches its peak in Porrentruy, August brings a delightful contrast to the cooler months, characterized by warmer temperatures and increased humidity. With highs flirting with 35°C and an average that hovers around 19°C, August offers a vibrant atmosphere that's perfect for outdoor activities. However, the increased precipitation, often totaling around 110 mm over about half the month, can catch visitors off guard, reminding us of the region's dynamic climate. This blend of warmth and occasional rain sets August apart from the other months, making it a unique time to enjoy the natural beauty of Porrentruy. For those curious about the climate nuances of this charming area, more detailed information is available at Porrentruy Climate.