August Weather in Setubal, Portugal

Last updated: February 24, 2025

Setúbal, Portugal, in August, enjoys warm and sunny weather, characterized by a maximum temperature reaching up to 34°C (94°F), while the average temperature sits comfortably at 21°C (71°F). With a minimum of 16°C (61°F), the evenings can be pleasantly cool. The month sees negligible precipitation, with a mere 3 mm (0.1 in) of rain and 0 days of rainfall, making it an ideal time for outdoor activities. Coupled with a 60% humidity level, visitors can expect a delightful climate, perfect for exploring the scenic beauty of this coastal gem.

August Temperature in Setubal

In August, Setúbal experiences its peak summer warmth, with temperatures ranging from a minimum of 16°C (61°F) to a maximum of 34°C (94°F). This month showcases a delightful contrast between relatively mild nighttime lows and sweltering daytime highs, resulting in an average temperature of 21°C (71°F). As summer intensifies, the city vibrates with outdoor activities, making it the perfect time for beachgoers to soak up the sun and locals to indulge in the vibrant culture. The trend of rising temperatures through the summer is evident as August encapsulates the season's warmth, providing a fitting finale before the cooler autumn months begin to creep in.

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

The chart illustrates August temperature patterns in Setubal, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec545657596466697069655956
Data source: Temperature data for Setubal 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 Setubal

In August, Setúbal, Portugal, experiences a dramatic decrease in precipitation, with only 3 mm (0.1 in) of rain, making it one of the driest months of the year. With no recorded precipitation days, this trend highlights the region's warm, dry summer climate, which contrasts sharply with the wetter months that precede and follow it. From January through July, rainfall gradually diminishes, setting the stage for a near-complete lack of rain in August before picking up again in September. Such seasonal variances not only influence local agriculture but also create a vibrant atmosphere for outdoor activities, blending the charm of sunny days with the anticipation of refreshing autumn rains.

August Precipitation Trends in Setubal

The chart displays monthly precipitation patterns in Setubal, 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.
JanFebMarAprMayJunJulAugSepOctNovDec345366633184318397054
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Setubal

In Setúbal, Portugal, the humidity levels showcase a notable trend throughout the year. Starting off high in the colder months, with January reaching a peak of 85%, the figures gradually decline as spring approaches, hitting a low of 60% in both July and August. This consistency in lower humidity during late summer creates a comfortable atmosphere perfect for outdoor activities. However, as autumn unfolds, humidity begins to creep back up, reaching 74% in October and rising again into the winter months. Thus, Setúbal's climate transitions from a humid winter to a pleasantly drier summer, making it an appealing destination year-round.

August Average Humidity in Setubal

This chart illustrates the average monthly humidity levels in Setubal, with August's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how August's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec85%75%72%70%70%63%60%60%68%74%83%85%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Setubal

In August, Setubal, Portugal, experiences a very high UV Index of 9, with a burn time of just 15 minutes. This trend follows a summer where UV levels peaked in June at 11, signaling extreme conditions, before slightly decreasing in July and August. As the sun remains strong, it's crucial to take precautions when enjoying the outdoors, as the potential for skin damage increases significantly during this time. The UV Index remains elevated throughout the summer months, with levels gradually declining as autumn approaches. For more detailed information, visit Setubal UV Index.

Maximum UV Index Levels in Setubal for August

The chart shows the monthly maximum UV Index (UVI) for Setubal 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.
JanFebMarAprMayJunJulAugSepOctNovDec356910111098643
Data source: Setubal 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 Setubal

In Setúbal, Portugal, the sun shines brightly in August, with an impressive 396 hours of glorious sunlight gracing the region. This month stands out within the summer season, following July’s peak of 422 hours. While August experiences a slight decline in sunshine, it remains significantly brighter than the winter months, such as January, which only sees 186 hours. As the year progresses, there's a clear trend of increasing daylight hours, peaking in mid-summer before tapering off in the fall. The transition from the exuberance of summer to the milder tones of autumn brings September down to 350 hours, yet the overall warmth and sun that linger in August make it an exhilarating time to explore the vibrant beauty of Setúbal.

Monthly Sunshine Duration in Setubal: August Highlighted

The August sunshine duration represents the total number of hours Setubal 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.
JanFebMarAprMayJunJulAugSepOctNovDec186h234h309h355h408h412h422h396h350h315h237h227h
Data source: Setubal August Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Setubal During August

In August, Setúbal enjoys a vibrant 78% chance of sunny weather, making it one of the sunniest months of the year. This high likelihood is consistent with the upward trend observed from spring into summer, where sunshine probabilities increase significantly. Starting at a moderate 49% in January, the city's sun-drenched days steadily rise, peaking in July and holding strong through August. As summer transitions into early autumn, the likelihood of sunshine dips slightly to 65% in September, but August remains a standout month for those seeking warm and sunny days by the coast. With such favorable weather, it's no surprise that August is a prime time for visitors to immerse themselves in Setúbal's stunning landscapes and vibrant culture.

Percentage of Sunny Days in August in Setubal

The chart illustrates the percentage of sunny days in Setubal 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 Setubal experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec49%23%61%41%59%71%78%78%65%55%69%42%
Data source: Setubal August chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Setubal in August

In Setúbal, Portugal, the daylight duration beautifully transitions throughout the year, peaking during the summer months. In August, this vibrant city enjoys approximately 13 hours of daylight, maintaining a lush glow as summer starts to wind down. Notably, the daylight hours reach their zenith in June and July with a maximum of 14 hours, allowing ample time for outdoor activities and exploration. As the year progresses into September, daylight gradually decreases, leading to shorter days. This pattern reveals a delightful rhythm of longer, sun-filled days during peak summer, followed by a gentle decline as autumn approaches, perfect for experiencing the captivating landscapes and rich culture of Setúbal.

Average Daylight Hours in Setubal for August

The chart illustrates the variation in daylight duration in Setubal throughout the year, with August highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 48m10h 45m11h 58m13h 13m14h 16m14h 48m14h 31m13h 35m12h 23m11h 8m10h 3m9h 30m
Data source: Setubal daylight hours, calculated by summing the hours between sunrise and sunset for each day.

August Winds in Setubal

As summer winds down in Setubal, Portugal, August brings a gentle average wind speed of 4.9 m/s (11 mph), marking a subtle decline from the breezier months of June and July, which boasted consistent speeds around 5.2 m/s to 5.4 m/s. This seasonal shift mirrors the overall trend throughout the year, where wind speeds generally start high in the early summer and taper off as autumn approaches. With the ocean's refreshing breezes still gracing the coastal town, August’s winds invite both relaxation and a sense of adventure amidst the stunning landscapes. The transition from the vibrant summer winds to the calmer autumn air creates a serene backdrop for experiencing Setubal's charm as it winds down into a beautiful fall.

Average August Wind Speed in Setubal

The chart displays monthly wind speed patterns in Setubal, 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.
JanFebMarAprMayJunJulAugSepOctNovDec5.25.24.33.75.35.25.44.9 m/s4.24.04.44.8
Data source: Setubal August wind data, generated using information from the Copernicus Climate Change Service.

How August Weather in Setubal Compares to Other Months

The weather in Setubal changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of August's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Setubal and find detailed weather information for every month.

The weather in August contrasts sharply with that of January. In August, temperatures range from a comfortable minimum of 16°C (61°F) to a scorching maximum of 34°C (94°F), with an average of 21°C (71°F) and negligible precipitation of just 3 mm over the month. The humidity at 60% adds to the warmth but still feels manageable. In contrast, January experiences much cooler temperatures, with a minimum of 4°C (40°F), an average of 12°C (54°F), and a maximum of 20°C (68°F). This month also sees significant precipitation, totaling 34 mm over approximately four days, and higher humidity levels at 85%. For more details, you can check Setubal weather in January.

August and February present strikingly different weather patterns. In August, temperatures can soar, ranging from a mild 16°C (61°F) at night to a hot 34°C (94°F) during the day, with minimal precipitation and relatively low humidity of 60%. In contrast, February offers a cooler climate with temperatures varying from a chilly 5°C (42°F) to a comfortable 21°C (71°F). This month sees significantly more precipitation, totaling 53 mm (2.1 in), and rain is more frequent with about 6 days of rainfall, alongside higher humidity levels at 75%. For more detailed insights, you can refer to Setubal weather in February.

In August, the weather is typically warm, with temperatures ranging from a minimum of 16°C (61°F) to a maximum of 34°C (94°F), averaging around 21°C (71°F). This month experiences dry conditions with minimal precipitation of only 3 mm (0.1 in) and high humidity levels at 60%. In contrast, March is significantly cooler, with temperatures varying from a low of 7°C (45°F) to a high of 24°C (75°F) and an average of 14°C (58°F). March is marked by increased precipitation, totaling 66 mm (2.6 in) over about 8 rainy days, and higher humidity at 72%. For more detailed information, check out Setubal weather in March.

In August, the weather tends to be warm and dry, with temperatures ranging from a minimum of 16°C (61°F) to a maximum of 34°C (94°F). The average temperature hovers around 21°C (71°F), and there is hardly any rainfall, making it an ideal month for outdoor activities. In contrast, April features milder temperatures with a minimum of 9°C (48°F) and a maximum of 24°C (76°F), averaging at 15°C (60°F). However, April is significantly wetter, receiving about 63 mm (2.5 in) of precipitation over 11 days. This leads to higher humidity levels at 70%, compared to August's 60%. For more details on the weather in Setubal during this month, check out Setubal weather in April.

When comparing the weather in August and May, there are notable differences in temperature and precipitation. August generally boasts warmer temperatures, with a minimum of 16°C (61°F) and an average of 21°C (71°F), reaching up to a maximum of 34°C (94°F). In contrast, May experiences cooler conditions, with temperatures ranging from a minimum of 10°C (50°F) to an average of 18°C (64°F), peaking at 31°C (87°F). Another significant difference is in the amount of precipitation: August is quite dry, recording only 3 mm (0.1 inches) over zero rainy days, whereas May sees more rain, totaling 31 mm (1.2 inches) spread over four days. Humidity levels are also slightly higher in May at 70%, compared to August’s 60%. For an in-depth look at May's climate, visit Setubal weather in May.

When comparing the weather between June and August, August generally presents warmer conditions. The average temperature in August is 21°C (71°F), peaking at 34°C (94°F), while June has a lower average of 19°C (67°F) with a maximum of 31°C (89°F). Additionally, August boasts a significantly drier climate, experiencing minimal precipitation of just 3 mm (0.1 in) over no days, whereas June sees more rain with 8 mm (0.3 in) over two days. Humidity levels are also marginally lower in August at 60%, compared to June's 63%. For more details about the weather in June, check Setubal weather in June.

In comparing the weather between July and August, both months showcase similar average temperatures, with August experiencing slightly higher maximum temperatures of up to 34°C (94°F) compared to July's 31°C (88°F). Interestingly, while both months maintain a humidity level of 60%, August enjoys a dry spell with no recorded precipitation, whereas July sees minimal rainfall of 4 mm over one day. Overall, August offers hotter days and drier conditions, making it a great time for outdoor activities. For more specific details on July weather, you can visit Setubal weather in July.

August generally offers warm temperatures, with averages around 21°C (71°F) and maximums reaching up to 34°C (94°F), creating a hot and dry atmosphere, as evidenced by minimal precipitation of just 3 mm (0.1 in) over the month. In contrast, September sees a slight dip in temperature, with a minimum of 14°C (57°F) and a maximum of 30°C (86°F), while also experiencing increased humidity at 67% and a total precipitation of 18 mm (0.7 in) spread over 2 days. This transition from the hotter, drier days of August to the cooler, more humid conditions in September marks a notable shift in weather. For a detailed look at what to expect, you can check Setubal weather in September.

August weather is characterized by warmer temperatures, with minimums around 16°C (61°F) and maximums reaching up to 34°C (94°F), making it the hottest month. In contrast, October sees cooler temperatures, with a minimum of 10°C (50°F) and a maximum of 28°C (83°F), averaging 19°C (66°F). While August experiences very little precipitation, with just a trace amount and no rainy days, October brings a significant increase in rainfall, totaling about 39 mm (1.5 in) over four days. Additionally, humidity is lower in August at 60%, compared to October's higher humidity levels of 74%. For more detailed information, you can check Setubal weather in October.

In August, the weather is characterized by warm temperatures, with a minimum of 16°C (61°F) and an average high of 34°C (94°F), making it one of the hottest months of the year. Precipitation is minimal, with just 3 mm (0.1 in) over the month and a low humidity level of 60%, resulting in typically dry and sunny days. In stark contrast, November experiences cooler temperatures, with a minimum of 8°C (47°F) and an average high of 23°C (73°F). This month also sees a significant increase in precipitation, totaling 69 mm (2.7 in) spread over 9 days, coupled with higher humidity at 83%. For more specific details about November weather, you can visit Setubal weather in November.

August and December present contrasting weather conditions. In August, temperatures range from a minimum of 16°C (61°F) to a maximum of 34°C (94°F), with an average of 21°C (71°F). The humidity sits at a comfortable 60%, and the month experiences minimal rainfall, only about 3 mm (0.1 in) spread across no rainy days. In stark contrast, December sees much cooler temperatures, with a minimum of 6°C (43°F), an average of 14°C (57°F), and a maximum of 18°C (66°F). Precipitation increases significantly, with 54 mm (2.1 in) of rain over 7 days, accompanied by higher humidity at 85%. For more detailed information, check out Setubal weather in December.

Compare Setubal's Climate with Cities Worldwide

Conclusion: What to Expect From August Weather in Setubal

August in Setúbal is characterized by warm temperatures and remarkably low precipitation, making it a standout month in the region's climate. With maximums reaching up to 34°C (94°F) and an average of 21°C (71°F), the summer heat invites both locals and visitors to enjoy outdoor activities and soak up the sun. The absence of rain throughout the month, paired with a modest humidity level of 60%, creates an ideal backdrop for beach days and exploration. This dry warmth contrasts sharply with the cooler, wetter months of winter, highlighting why August is favored for sun-seekers. For a deeper dive into the region's weather patterns, check out Setubal Climate.