Last updated: February 24, 2025
Experience the August weather in Coimbra, Portugal, where summer reaches its peak with maximum temperatures soaring to 39°C (103°F). The average temperature settles comfortably at 21°C (70°F), offering warm yet enjoyable days. Evenings cool down to a refreshing minimum of 11°C (52°F), perfect for strolls through the historic streets. Precipitation is minimal, with only 9 mm (0.3 in) of rain recorded on a single day, ensuring ample sunshine for outdoor adventures. With an average humidity of 64%, the climate remains pleasantly warm, inviting visitors to explore the beauty of Coimbra under clear blue skies.
In August, Coimbra experiences its warmest days of the year, with temperatures soaring to a striking 39°C (103°F) at their peak. The month's average holds steady at a balmy 21°C (70°F), paired with a mild minimum of 11°C (52°F), making for pleasantly warm nights. This follows a trend of increasing heat as summer progresses, with July already reaching impressive highs. As the city basks in the sun, it's the perfect time to enjoy Coimbra's charming streets and vibrant culture, though it's wise to stay hydrated and seek shade during the hottest hours.
In August, Coimbra, Portugal experiences a notable decline in precipitation, receiving a mere 9 mm (0.3 in) over just one day. This marks a continuation of July's dry spell, which sees the lowest rainfall of the year at only 8 mm (0.3 in). The trend of minimal rainfall continues through the summer months, with June and July also recording significantly lower totals compared to the wetter spring months. As summer wanes and autumn approaches, the city anticipates a gradual increase in both precipitation and rainy days, particularly in September and October, highlighting Coimbra's distinct seasonal transition. This pattern underscores the region's warm, drier summer climate, making it a popular destination for sun-seekers before the rains return.
In Coimbra, Portugal, the month of August experiences a noticeable dip in humidity, reaching 64%—one of the lowest levels of the year. This decline follows a pattern of decreasing humidity from the earlier summer months, where July records 63%, suggesting a trend towards drier conditions as summer begins to wane. In contrast, the city sees much higher humidity earlier in the year, with levels peaking at 87% in January and December. As the fall approaches, humidity begins to rise again starting in September, settling back at 71%. Overall, the fluctuating humidity levels throughout the year reflect Coimbra's transition from cool, damp winters to warmer, drier summers, setting a vibrant backdrop for the region's dynamic climate.
In August, Coimbra, Portugal experiences a UV Index of 9, categorized as very high, with a burn time of just 15 minutes. This trend of increased UV exposure is evident as the summer months bring some of the highest readings, peaking in June at an extreme level of 11. Following June, both July and August maintain strong UV levels, making sun protection crucial for outdoor activities. As the season transitions into September, the UV Index slightly drops to 8, but still remains in the very high category. With the UV Index fluctuating significantly from a moderate 3 in January to the extreme heat of summer, it’s essential to stay informed about safe sun practices. To learn more about UV levels throughout the year, check out Coimbra UV Index.
UV Risk Categories
August in Coimbra, Portugal, is a radiant culmination of a sun-soaked summer, boasting 395 hours of sunshine that invite both adventure and relaxation. This month follows a peak in July, which enjoys the most daylight at 425 hours, showcasing a steady rise from the winter months where sunshine barely graces the city. As summer wanes into September with 345 hours, the sun remains a generous companion, but the gradual decline in sunlight hints at the approaching autumn. The emergence of longer days in spring and summer underscores Coimbra's delightful climate, making August a perfect time to bask in its warm glow before the sun’s retreat into the cooler months.
August in Coimbra, Portugal, shines brightly with a 66% chance of sunny weather, marking it as one of the sunniest months of the year. This trend of increased sunlight builds on a gradual rise from spring to summer, where the likelihood of sunshine jumps significantly from 37% in April to 61% in July. The sunny disposition of August sets it apart, enhancing it with nearly three-quarters assurance of clear skies compared to the cooler months at either end of the year, which hover around 48% in January and a modest 46% in September. As summer wraps up, the allure of a sun-soaked August makes it an ideal time for outdoor activities and exploration in this picturesque region.
In August, Coimbra basks in approximately 13 hours of daylight, marking a gentle transition as the summer months begin to wane. This considerable daylight follows the peak of 14 hours in June and July, demonstrating a slight decline yet maintaining a vibrant atmosphere perfect for outdoor activities and explorations. The month is characterized by a lingering warmth that invites residents and visitors alike to savor the outdoors before the days grow shorter. As summer shades into autumn, August holds onto longer evenings that gradually taper off into 12 hours by September, signaling the rhythm of changing seasons in this beautiful Portuguese city.
In August, Coimbra experiences its mildest winds of the year, with an average speed of 2.7 m/s (6 mph). This gentle breeze tends to set the perfect backdrop for leisurely summer days in the historic city, allowing visitors to explore its charming streets without the interruption of strong gusts. Throughout the year, wind speeds fluctuate, peaking during the winter months of January and February, when they reach 3.3 m/s (7 mph) and 3.7 m/s (8 mph) respectively. Notably, as the seasons transition into late summer, we observe a consistent decline in wind speed, leading into the calmer conditions of September and October, which both hover around 2.6 m/s (6 mph). This trend highlights the serene atmosphere of late summer in Coimbra, making it an ideal time to enjoy outdoor activities, bask in the pleasant climate, and soak in the picturesque landscapes.
The weather in Coimbra 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 Coimbra and find detailed weather information for every month.
August and January present stark contrasts in weather conditions. August boasts a much warmer climate, with average temperatures around 21°C (70°F) and peaks reaching 39°C (103°F), accompanied by low precipitation of just 9 mm (0.3 in) over a single day. In contrast, January experiences colder temperatures, averaging 9°C (48°F) and dipping as low as -3°C (27°F), alongside significantly higher precipitation of 63 mm (2.5 in) spread over seven days. The humidity in January also rises to 87%, compared to August's 64%, making the winter months feel much wetter and chillier. For more detailed weather insights, you can visit Coimbra weather in January.
August and February present stark contrasts in weather. In August, temperatures range from a cool 11°C (52°F) to a blistering 39°C (103°F), with an average of 21°C (70°F) and minimal precipitation of just 9 mm (0.3 in) over one day. The humidity sits at a moderate 64%, making the heat feel more intense. In sharp contrast, February experiences a much cooler climate, with temperatures ranging from -1°C (31°F) to a pleasant 23°C (73°F), averaging around 11°C (53°F). This month also sees significantly higher precipitation at 88 mm (3.5 in) over nine days, alongside increased humidity at 81%. For more detailed insights into the weather in February, you can visit Coimbra weather in February.
In August, the weather is characterized by warm temperatures, averaging around 21°C (70°F) and peaking at a hot 39°C (103°F). Humidity is moderate at 64%, with only 9 mm (0.3 in) of precipitation spread over just 1 day, making it a relatively dry month. In contrast, March presents a much cooler and wetter climate, with average temperatures around 12°C (55°F) and maximums reaching 27°C (81°F). This month sees a significant increase in rainfall, with a total of 117 mm (4.6 in) over 11 days and higher humidity levels at 78%. For more detailed information, check out Coimbra weather in March.
When comparing the weather between August and April, notable contrasts emerge. August experiences warmer temperatures, with a minimum of 11°C (52°F), an average of 21°C (70°F), and a maximum reaching up to 39°C (103°F). In stark contrast, April is considerably cooler, featuring a minimum of 4°C (39°F), an average of 14°C (58°F), and a maximum of 28°C (84°F). Additionally, April is significantly wetter, with 120 mm (4.7 in) of precipitation over 13 days, whereas August sees just 9 mm (0.3 in) over a single day. Humidity levels are also higher in April at 79%, compared to August's 64%. For a detailed overview of weather conditions in April, visit Coimbra weather in April.
In comparing the weather between August and May, we can see a distinct contrast in temperatures and precipitation patterns. August tends to be much warmer, with average temperatures around 21°C (70°F) and highs soaring up to 39°C (103°F), while May features cooler conditions, with an average of 17°C (63°F) and maximum temperatures reaching 33°C (92°F). Additionally, May experiences significantly more rainfall, totaling 56 mm (2.2 in) over about 8 days, compared to August's sparse precipitation of merely 9 mm (0.3 in) over just one day. The humidity is also higher in May at 78%, compared to 64% in August, leading to a different overall feeling in each month. For more detailed weather information, you can check Coimbra weather in May.
In June, the weather is generally cooler, with temperatures ranging from a minimum of 8°C (46°F) to a maximum of 36°C (98°F), and an average of 19°C (66°F). This month experiences more precipitation, totaling 31 mm (1.2 in) over about 8 days, along with higher humidity at 71%. In contrast, August boasts warmer temperatures, with a minimum of 11°C (52°F), an average of 21°C (70°F), and a peak of 39°C (103°F). It also sees significantly less precipitation, only 9 mm (0.3 in) over a single day, and a lower humidity level of 64%. Overall, while June offers cooler, wetter conditions, August delivers hot and dry weather. For more details, check out Coimbra weather in June.
In comparing the weather between July and August, both months exhibit similar temperature ranges, with minimums around 11°C (52°F) and average temperatures at 21°C (70°F). However, August sees a slightly higher maximum temperature of 39°C (103°F), compared to July's peak at 37°C (100°F). Interestingly, while both months experience low precipitation, August has only 1 rainy day with 9 mm (0.3 in) of rain, whereas July records 2 rainy days with a total of 8 mm (0.3 in). Additionally, humidity levels are comparable, with July at 63% and August slightly higher at 64%. For those interested in more detailed July weather information, check out Coimbra weather in July.
August and September show notable differences in weather patterns. August typically experiences warmer temperatures, with daily averages around 21°C (70°F) and maximums reaching up to 39°C (103°F). In contrast, September sees slightly cooler conditions, with a minimum temperature of 9°C (49°F) and an average of 20°C (69°F), peaking at 37°C (98°F). Precipitation also increases in September, with 36 mm (1.4 in) of rain over four days, compared to just 9 mm (0.3 in) and only one rainy day in August. Additionally, humidity rises in September to 71%, up from 64% in August. For more detailed information, you can check Coimbra weather in September.
August and October showcase distinctly different weather patterns. In August, temperatures can soar to a maximum of 39°C (103°F), with an average temperature around 21°C (70°F), accompanied by relatively low precipitation of just 9 mm over a single day. On the other hand, October brings cooler temperatures, with a maximum of 35°C (96°F) and an average of 17°C (63°F). This month is significantly wetter, recording 91 mm of precipitation across eight days, and features higher humidity at 79%. For more details, visit Coimbra weather in October.
August and November present a stark contrast in weather conditions. In August, temperatures range from a comfortable minimum of 11°C (52°F) to a scorching maximum of 39°C (103°F), with an average of 21°C (70°F). The month enjoys relatively low precipitation, only about 9 mm (0.3 in) across just one rainy day and a manageable humidity level of 64%. In contrast, November brings cooler temperatures, where the minimum drops to 2°C (36°F) and the maximum reaches 25°C (77°F), with an average of 13°C (55°F). This month sees significantly higher precipitation, accumulating 126 mm (5.0 in) over 13 days, coupled with a noticeable increase in humidity to 86%. For more detailed insights, check out Coimbra weather in November.
August and December showcase stark contrasts in weather. August experiences a warm climate with temperatures ranging from a minimum of 11°C (52°F) to a scorching maximum of 39°C (103°F), coupled with relatively low humidity at 64% and minimal rainfall of just 9 mm (0.3 in) over 1 day. In contrast, December presents a much cooler ambiance, with temperatures ranging from -2°C (28°F) to a maximum of 19°C (67°F). This month sees significantly higher precipitation, totaling 112 mm (4.4 in) across 12 days, and elevated humidity levels at 87%. For more details on what to expect during this winter month, check out Coimbra weather in December.
August in Coimbra presents a striking contrast to the cooler months, with temperatures peaking at a sizzling 39°C (103°F) while maintaining an average of a comfortable 21°C (70°F). This month is characterized by very little rain, with just a single day of precipitation, making it a prime time for outdoor activities amidst the lush landscapes. Humidity levels hover around 64%, adding a warm but manageable feel to the summer air. Visitors and locals alike can revel in the sun-kissed days before the autumn sets in, ensuring August stands out as one of the hottest and driest months of the year. For more detailed insights, explore the Coimbra Climate.