Last updated: February 24, 2025
Guimaraes, Portugal, in August experiences a thriving summer climate, marked by a maximum temperature soaring to 38°C (101°F) and an average of a comfortable 21°C (70°F). The evenings can be refreshingly cool, with minimum temperatures dropping to 9°C (48°F). Despite the warmth, the month sees only 28 mm (1.1 in) of precipitation, spread over just 3 days, allowing for ample sunshine and outdoor activities. With humidity levels around 64%, visitors can enjoy the vibrant atmosphere of this historic city while basking in its seasonal warmth.
In August, Guimarães, Portugal, reaches its summer peak, with temperatures showcasing a delightful range. The minimum temperature rises to a comfortable 9°C (48°F), providing a pleasant start to warm days, while the average temperature settles at a balmy 21°C (70°F). The allure of August is truly felt with maximum temperatures soaring to a scorching 38°C (101°F), making it the warmest month of the year. This month not only embodies the essence of summer but also marks a notable leap from the cooler temperatures of earlier months, reflecting a vibrant seasonal shift. Whether indulging in outdoor activities or unwinding at a café, the warm August days invite both locals and visitors to embrace the lively spirit of Guimarães.
August in Guimarães, Portugal, marks a notable shift towards drier weather, with only 28 mm (1.1 in) of precipitation over just 3 days. This minimal rainfall illustrates the culmination of a gradual decline in precipitation that begins in the spring, tapering off from the wetter months of January through July. Comparatively dry, August's conditions offer a brief but welcome respite from the persistent showers seen earlier in the year, making it an ideal time for outdoor activities. As summer gives way to autumn, residents and visitors can enjoy the warm, mostly clear skies before the precipitation begins to rise again in September. This seasonal pattern showcases the region's distinct climate, where late summer often presents a dry lull in contrast to the wetter, cooler months that follow.
In August, Guimarães, Portugal, experiences a moderate humidity level of 64%, reflecting a trend of declining moisture that begins mid-year. After a peak in the colder months—where humidity reaches as high as 87% in January and December—the numbers steadily decrease during the summer. July's notable dip to 63% sets the stage for an even slightly higher August, suggesting a transition towards the milder, wetter conditions of autumn. Following this summer respite, humidity begins to rise again in September, bringing a sense of closure to the warm season and an invitation for the refreshing, crisp air of fall to take over.
In August, Guimaraes, Portugal experiences a UV Index of 9, placing it in the very high exposure category. This marks a slight dip from the peak UV Index of 11 recorded in June, but still necessitates caution. With a burn time of just 15 minutes, residents and visitors alike should be mindful of sun protection during outdoor activities. This trend of elevated UV levels continues from May through September, demonstrating the necessity of vigilance against sun exposure in the summer months. As the summer fades, the UV Index gradually decreases, reassuringly returning to lower levels later in the year. For more detailed information on UV trends throughout the year, visit Guimaraes UV Index.
UV Risk Categories
August in Guimarães, Portugal, is a radiant month, basking in 396 hours of sunshine—just slightly less than the peak of 427 hours seen in July. This delightful summer warmth signals the height of the season, as the sunshine steadily increases from 153 hours in January to almost 400 hours by mid-year. While August brings a taste of summer's lingering glow, the days begin to shorten as September approaches, with sunshine hours dipping to 345. This rhythmic shift captures the essence of Guimarães, where the vibrancy of summer gradually transitions into the softer light of autumn, offering a stunning backdrop that invites exploration and relaxation.
In August, Guimarães, Portugal experiences a notable 69% likelihood of sunny weather, marking it as one of the sunniest months of the year. This increase is a delightful contrast to the cooler, cloudier months like February, which sees a mere 15% chance of sunshine. As summer progresses, the likelihood of clear skies builds from 44% in January to a peak in August, showing a consistent trend of increasing sunshine from spring through summer. Following August, the chances of sun begin to decline again, with September dipping to 39%, suggesting that while the warmth of summer lingers, autumn is just around the corner.
In Guimarães, Portugal, the pattern of daylight throughout the year reveals a captivating rhythm of changing seasons. Starting from the brisk days of January with just 9 hours of sunlight, the days gradually lengthen, peaking in June with a generous 15 hours. As summer unfolds, July retains a healthy 14 hours before gently tapering off to 13 hours in August. This transition signifies a gradual shift toward autumn, where daylight diminishes to 12 hours in September and continues to wane, returning to 9 hours by November. This cyclical trend not only highlights the vibrant summer months but also invites reflection during the quieter, shorter winter days, illustrating the beauty of nature's annual dance in Guimarães.
In Guimaraes, Portugal, the August wind offers a serene respite, with an average speed of just 1.9 m/s (4 mph), making it the calmest month of the year. As summer reaches its peak, the gentle breeze contrasts with the stronger gusts seen earlier in the year; for instance, January and February enjoy brisk winds at 2.9 m/s (6 mph) and 3.0 m/s (7 mph), respectively. Interestingly, the wind conditions remain relatively calm throughout the summer months, persisting around 2.2 m/s (5 mph) from July onward. This gradual decline to August's mellow winds illustrates a seasonal shift that enhances the tranquil atmosphere of the city. As autumn approaches, the winds pick up slightly again in September and beyond, yet the stillness of August invites a leisurely exploration of Guimaraes, encouraging visitors to savor its historic charm amidst a backdrop of soft, whispering breezes.
The weather in Guimaraes 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 Guimaraes and find detailed weather information for every month.
In August, the weather in Guimarães features warmer temperatures, with a minimum of 9°C (48°F) and a peak reaching up to 38°C (101°F), accompanied by relatively low precipitation of just 28 mm (1.1 in) over three days. The average temperature sits at a comfortable 21°C (70°F) with a humidity level of 64%. In contrast, January presents a significantly cooler climate, with temperatures ranging from a minimum of -4°C (25°F) to a maximum of 21°C (70°F), but average temperatures are only around 7°C (45°F). January also sees much higher precipitation at 132 mm (5.2 in) across nine days and a greater humidity level of 87%. For more details, you can check the typical Guimaraes weather in January.
August and February present stark contrasts in weather conditions. In August, temperatures are significantly warmer, with averages around 21°C (70°F) and maximums reaching up to 38°C (101°F). The month experiences limited precipitation, averaging only 28 mm over about 3 days, and the humidity sits at a moderate 64%. In sharp contrast, February brings a much chillier climate, with average temperatures of 10°C (50°F) and minimums dipping to -2°C (28°F). This month is characterized by heavy rainfall, accumulating 202 mm over 12 days, and higher humidity levels at 81%. For a more detailed look at February weather, visit Guimaraes weather in February.
When comparing the weather in August and March, it's clear that these months present strikingly different climates. August typically enjoys warmer temperatures, with averages around 21°C (70°F) and highs reaching up to 38°C (101°F), accompanied by relatively low precipitation of 28 mm over just three days. In contrast, March experiences cooler weather, with average temperatures of 11°C (52°F) and maximums of 25°C (78°F). This month also sees significantly higher rainfall, totaling 192 mm across 12 days, contributing to a more humid environment with an average humidity of 78%. For more specifics on March weather, you can check Guimaraes weather in March.
When comparing the weather in August and April, significant differences emerge. August tends to be much warmer, with temperatures ranging from a minimum of 9°C (48°F) to a maximum of 38°C (101°F), averaging around 21°C (70°F). In contrast, April experiences cooler temperatures, with minimums of 1°C (34°F) and maximums of 26°C (80°F), averaging just 13°C (55°F). Moreover, April is much wetter, receiving 170 mm (6.7 in) of precipitation over 15 days, while August has only 28 mm (1.1 in) of rain across just 3 days. Humidity levels are higher in April at 79% compared to 64% in August. For more specific details on April weather, you can check Guimaraes weather in April.
When comparing the weather in August and May, notable differences emerge. August generally features warmer temperatures, with a minimum of 9°C (48°F) and an average of 21°C (70°F), peaking at a sizzling 38°C (101°F). In contrast, May presents cooler conditions, with temperatures ranging from a minimum of 2°C (36°F) to a maximum of 31°C (89°F) and an average of 16°C (61°F). Precipitation is also more prevalent in May, totaling 103 mm (4.1 in) over 10 days, compared to August's 28 mm (1.1 in) over just 3 days. Furthermore, humidity is higher in May at 78%, making it a comparatively more humid month than August, which has a humidity level of 64%. For a detailed look at May weather, you can refer to Guimaraes weather in May.
Comparing the weather in August and June reveals notable differences in temperature, precipitation, and humidity. August typically experiences warmer conditions, with minimum temperatures around 9°C (48°F) and average highs reaching up to 38°C (101°F), while June has cooler averages, with minimums of 5°C (42°F) and maximums of 34°C (93°F). Precipitation is significantly lower in August, totaling only 28 mm (1.1 in) over just three days, compared to June's 65 mm (2.5 in) across nine days. Additionally, June tends to have a slightly higher humidity level at 71%, contrasted with August's 64%. For more detailed insights, you can visit Guimaraes weather in June.
When comparing the weather in August to that of July, we see a slight increase in temperature, with August featuring a minimum of 9°C, an average of 21°C, and a maximum of 38°C. In contrast, July has a slightly lower minimum temperature of 7°C, a similar average of 21°C, and a maximum of 35°C. Both months experience comparable precipitation levels, with August receiving 28 mm over 3 days and July 29 mm over 5 days. Humidity remains relatively stable, with August at 64% and July slightly lower at 63%. For a more in-depth look at July's weather specifics, you can visit Guimaraes weather in July.
August typically experiences warmer temperatures, with a minimum of 9°C (48°F) and an average high of 38°C (101°F), while September sees slightly cooler conditions, with a minimum of 6°C (43°F) and a maximum of 34°C (93°F). Precipitation is more frequent in September, with 49 mm (1.9 in) of rain over 6 days compared to August’s 28 mm (1.1 in) over just 3 days. Additionally, September tends to have a higher humidity level at 71%, compared to August's 64%. For more details on the weather in September, check out Guimaraes weather in September.
August and October present quite a contrast in weather conditions. In August, temperatures can soar with a minimum of 9°C (48°F) and an impressive maximum of 38°C (101°F), while the average temperature rests around 21°C (70°F). The month sees relatively low precipitation totaling 28 mm (1.1 in) over just three days, accompanied by a humidity level of 64%. In stark comparison, October experiences cooler temperatures with a minimum of 2°C (36°F) and an average of 15°C (60°F), peaking at 32°C (89°F). This month also brings increased rainfall, accumulating 151 mm (6.0 in) over 11 days, and the humidity rises to 79%. For a more detailed look at the weather trends, check out Guimaraes weather in October.
In August, the weather is characterized by warmer temperatures, with a minimum of 9°C (48°F) and an average of 21°C (70°F), reaching a maximum of 38°C (101°F). The month experiences relatively low precipitation, totaling 28 mm (1.1 in) over just 3 days, and the humidity hovers around 64%. In contrast, November brings cooler conditions, with minimum temperatures dropping to 0°C (33°F) and an average of 11°C (52°F), peaking at 22°C (72°F). However, it is significantly wetter, with 206 mm (8.1 in) of rain spread across 14 days and higher humidity levels at 86%. For additional insights into November's climate, you can visit Guimaraes weather in November.
August and December present stark contrasts in weather patterns. In August, temperatures soar with a minimum of 9°C, averaging 21°C, and reaching highs of up to 38°C, accompanied by relatively low precipitation of 28 mm over just 3 days, and a humidity level of 64%. In contrast, December experiences much cooler temperatures, with a minimum of -2°C, an average of 9°C, and a maximum of 18°C. This winter month sees significantly higher precipitation at 257 mm over 16 days, coupled with increased humidity at 87%. For a more detailed look at what to expect, you can check out the Guimaraes weather in December.
In August, Guimarães experiences a distinctive warmth that sets it apart from the rest of the year. With plenty of sunny days, the temperatures can soar, reaching their peak while the average remains nicely balanced. Unlike the typically wetter months, August boasts minimal precipitation, allowing for ample opportunities to explore the city's rich history and vibrant culture. Although humidity lingers, the overall climate makes it an enticing time for visitors looking to embrace the summer allure. To learn more about the annual patterns of this charming region, check out Guimaraes Climate.