Last updated: August 21, 2025
Experience the vibrant August weather in Porto Seguro, Brazil, where the average temperature hovers around a pleasant 23°C (73°F). Throughout the month, temperatures can peak at a maximum of 27°C (80°F) and dip to a comfortable low of 18°C (65°F). However, be prepared for some wet days; with 65 mm (2.6 in) of precipitation over 19 days, the humidity stays high at 75%, adding to the tropical allure of this coastal paradise. Whether you're looking to explore the stunning beaches or indulge in local culture, Porto Seguro's August climate offers a captivating backdrop for your adventures.
In August, Porto Seguro experiences a noticeable dip in temperatures as winter settles in, with minimums around 18°C (65°F) and a comfortable average of 23°C (73°F). Daytime highs reach up to 27°C (80°F), providing a pleasant climate for outdoor activities and exploration. This transition marks a shift from the warmer months of July and June, where temperatures hovered at 20°C (67°F) and 24°C (75°F), respectively. As summer fades, the temperatures gradually drop, but the warmth remains inviting, making August an ideal time to enjoy the region's stunning landscapes and vibrant culture without the intense heat of the peak season.
In August, Porto Seguro experiences a moderate shift in precipitation patterns, receiving 65 mm (2.6 in) of rain over 19 days. This amount is slightly higher than the preceding months of July and June, where rainfall was 61 mm (2.4 in) and 78 mm (3.1 in) respectively. As the region approaches the more humid months ahead, this uptick in rainfall hints at the transitioning climate, setting the stage for the heavier downpours that September and October will bring. Despite its reputation for occasional showers, August serves as a bridge between the drier winter months and the peak rainy season, allowing nature to replenish and breathe life into the lush landscapes of Brazil’s coastline.
In August, Porto Seguro experiences a humidity level of 75%, maintaining a comfortable balance as the region transitions from the more humid months of the year. After a peak in March and April at 83%, humidity begins to gradually decline, reaching its lowest point of 73% in September. The pattern shows that as the year progresses, humidity decreases from the summer highs of January through July, making August a part of this gentle decline. This trend highlights a shift towards drier conditions as the wet season wanes, setting the stage for the more temperate months ahead.
In August, Porto Seguro experiences a UV Index of 11, placing it once again in the extreme exposure category with a quick burn time of just 10 minutes. This month marks a slight increase from the previous couple of months, where the index dipped to 8 and 9 in June and July, respectively. As the year progresses, UV levels remain high, with several months showing indices at or above 10, indicating a consistent risk of harm from unprotected sun exposure. From the extreme highs of January and February to the very high categories in the middle of the year, it’s crucial for visitors to keep sun safety at the forefront of their beach plans. For more detailed information, check out the Porto Seguro UV Index.
UV Risk Categories
In August, Porto Seguro basks in a delightful 307 hours of sunshine, contributing to its reputation as a sun-soaked paradise. This month marks a peak in the summer season, where the warm rays begin to outshine the cooler, overcast days of November, which records the lowest at 274 hours. Following a consistent streak from the previous months, August's sunshine hours continue the upward trend seen since mid-year, hinting at the city's welcoming climate. As summer transitions to early fall, visitors are treated to increasingly bright and sunny days, with September even surpassing August at 316 hours, making it an ideal time to explore Porto Seguro's stunning beaches and vibrant culture.
August in Porto Seguro, Brazil, offers a 49% chance of sunny weather, making it a delightful time to soak up the sun. Following July’s higher probability of sunshine at 58%, August maintains a similar trend, suggesting a summer vibe that’s still very much alive. As the year progresses towards the end, the sunny prospects dip significantly in the later months, with November and December experiencing only an 18% and 15% chance, respectively. Therefore, visiting during August presents a perfect opportunity for sunshine, contrasting with the gradually diminishing probabilities as summer transitions into the rainy season.
In August, Porto Seguro experiences approximately 11 hours of daylight, continuing a trend of consistent daylight duration that begins in April and holds steady through the summer months. This shorter span of daylight, shared with July, heralds the gradual transition from winter to spring in Brazil. Following August, daylight duration increases again in September, returning to a full 12 hours as the vibrant energy of spring begins to blossom. Throughout the year, this beautiful coastal city enjoys a relatively stable amount of daylight, making each season a unique experience, yet providing a dependable rhythm to both daily life and exploration.
In August, Porto Seguro experiences a gentle breeze with an average wind speed of 3.9 m/s (9 mph), offering a delightful escape from the summer heat. This month sits comfortably between the lighter winds of mid-year, where averages hover around 3.4 to 3.8 m/s, and the stronger gusts of July and October, which see speeds rising to 4.5 m/s (10 mph). What stands out is the consistency in the wind patterns; although there’s a slight uptick in August compared to the preceding months, the overall trend remains stable with only modest fluctuations. As summer transitions towards fall, August presents a perfect opportunity to enjoy refreshing coastal activities while basking in the vibrant atmosphere of this beautiful Brazilian destination.
Weather in Porto Seguro varies notably across the year, with each month offering distinct climate conditions. This page compares August’s weather to other months in Porto Seguro, focusing on differences in temperature, rainfall, humidity, and UV levels.
In August, the weather in Porto Seguro offers mild temperatures, with a minimum of 18°C (65°F) and an average of 23°C (73°F), reaching a maximum of 27°C (80°F). This month experiences a significant amount of rainfall, with 65 mm (2.6 in) falling over 19 days, while humidity remains high at 75%. In contrast, January brings warmer temperatures, with minimums of 23°C (73°F), averages of 26°C (80°F), and maximums of 30°C (85°F). Rainfall is less frequent, totaling 48 mm (1.9 in) over 15 days, but the humidity still hovers around 75%. For more detailed information, check out Porto Seguro weather in January.
When comparing the weather in August and February, several key differences and similarities emerge. August tends to be cooler, with average temperatures ranging from a minimum of 18°C (65°F) to a maximum of 27°C (80°F), while February experiences warmer temperatures, with a minimum of 23°C (73°F) and a peak of 31°C (88°F). Both months have similar levels of precipitation, with August receiving about 65 mm (2.6 in) over 19 days, and February slightly lower at 58 mm (2.3 in) over 20 days. Humidity is also a factor, with August at 75% and February slightly higher at 79%. For more detailed information, you can check out Porto Seguro weather in February.
When comparing the weather in August and March, several notable differences emerge. In August, temperatures range from a minimum of 18°C (65°F) to a maximum of 27°C (80°F), with an average of 23°C (73°F). The month sees about 65 mm (2.6 in) of precipitation over 19 days and maintains a humidity level of 75%. Conversely, March is warmer, featuring a minimum of 23°C (74°F) and rising to a maximum of 31°C (87°F), with an average temperature of 26°C (80°F). Precipitation in March is significantly higher at 121 mm (4.8 in) over 21 days, along with increased humidity at 83%. For a more detailed look at the climate, check out Porto Seguro weather in March.
When comparing the weather in April and August, April generally exhibits warmer temperatures with a minimum of 22°C (71°F) and an average of 26°C (79°F), reaching a maximum of 31°C (87°F). In contrast, August presents cooler conditions with a minimum of 18°C (65°F) and an average of 23°C (73°F), peaking at 27°C (80°F). Additionally, April experiences significantly higher precipitation, totaling 130 mm (5.1 in) over 23 days, compared to August's 65 mm (2.6 in) spread over 19 days. Humidity levels are also higher in April at 83%, compared to 75% in August. For a more detailed comparison, you can check Porto Seguro weather in April.
In comparing the weather of August and May, we find that May tends to be warmer, with average temperatures reaching 25°C (77°F) and maximums of up to 29°C (85°F), while August features slightly cooler averages of 23°C (73°F) and maximums of 27°C (80°F). However, May experiences significantly higher precipitation, with 129 mm (5.1 in) over 20 days, compared to August's 65 mm (2.6 in) over 19 days. Additionally, humidity levels are slightly higher in May at 81%, compared to 75% in August. For a more detailed look at May's weather, visit Porto Seguro weather in May.
In comparing the weather of August and June, we notice some intriguing differences. August typically experiences slightly cooler temperatures, with average values ranging from a minimum of 18°C (65°F) to a maximum of 27°C (80°F). In contrast, June boasts a warmer average, characterized by minimum temperatures of 20°C (69°F) and reaching up to 29°C (84°F). Precipitation patterns reveal that June has a marginally higher rainfall at 78 mm (3.1 in) over 18 days compared to August's 65 mm (2.6 in) across 19 days. Additionally, humidity levels are quite similar, with August at 75% and June at 78%. For more detailed information, you can check Porto Seguro weather in June.
In comparing the weather between July and August, both months exhibit similar average temperatures, with July experiencing a slightly higher minimum temperature of 20°C (67°F) compared to August's 18°C (65°F). The maximum temperatures remain close, with July peaking at 28°C (83°F) and August at 27°C (80°F). Precipitation levels are comparable, with July having 61 mm (2.4 in) of rain over 19 days while August sees a slight increase to 65 mm (2.6 in) over the same number of days. Humidity is also quite similar, with July at 76% and August at 75%. For more details on July weather, check out Porto Seguro weather in July.
In comparing the weather between August and September, we see a slight upward trend in temperatures. August features a minimum of 18°C, an average of 23°C, and a maximum of 27°C, while September sees these figures increase to a minimum of 20°C, an average of 24°C, and a maximum of 28°C. Precipitation remains relatively similar, with August experiencing 65 mm over 19 days and September slightly lower at 59 mm over 14 days. Humidity also shows a small decrease from 75% in August to 73% in September. Overall, September tends to be warmer and slightly less humid, making it a pleasant transition into the fall months. For more details, you can check Porto Seguro weather in September.
August and October in Porto Seguro exhibit notable differences in weather patterns. August tends to be slightly cooler, with average temperatures ranging from a minimum of 18°C (65°F) to a maximum of 27°C (80°F), accompanied by fairly high humidity levels of 75%. In contrast, October experiences warmer conditions, with average temperatures from a minimum of 21°C (71°F) to a maximum of 29°C (84°F), even though humidity slightly decreases to 72%. Additionally, October sees a higher total precipitation of 93 mm (3.7 in) over 16 days, compared to August's 65 mm (2.6 in) over 19 days. For more detailed information, you can check out Porto Seguro weather in October.
August and November in Porto Seguro exhibit notable differences in weather patterns. In August, temperatures range from a minimum of 18°C (65°F) to a maximum of 27°C (80°F), with an average temperature of 23°C (73°F). The month sees moderate precipitation of 65 mm (2.6 in) over 19 days, accompanied by high humidity at 75%. In contrast, November experiences slightly warmer conditions, with minimum temperatures of 20°C (69°F) and maximums reaching 29°C (85°F), averaging 25°C (78°F). However, November is wetter, recording 193 mm (7.6 in) of rainfall across 20 days, while humidity remains relatively stable at 72%. For more details, you can check Porto Seguro weather in November.
August and December in Porto Seguro showcase distinct weather patterns, each with its unique characteristics. In August, temperatures range from a comfortable minimum of 18°C (65°F) to a pleasant average of 23°C (73°F), peaking at 27°C (80°F). Despite this, the month experiences significant rainfall, with approximately 65 mm (2.6 in) spread over 19 days and humidity levels hovering around 75%.
In contrast, December offers slightly warmer temperatures, with a minimum of 22°C (72°F) and an average of 26°C (79°F), reaching up to 29°C (85°F) at its peak. However, this month experiences much heavier rainfall, totaling around 210 mm (8.3 in) over 21 days, accompanied by a modestly lower humidity level of 72%. For more insights into December weather, check out Porto Seguro weather in December.
As August rolls into Porto Seguro, the weather reveals a charming blend of warmth and moisture. With temperatures averaging a comfortable 23°C (73°F), August is distinctly cooler than the summer months, offering a pleasant reprieve from the sweltering heat. However, this month also brings an increase in humidity and an uptick in rainfall, with 19 days experiencing precipitation, making it one of the wetter times of the year. This unique climate creates a lush landscape, perfect for exploration and relaxation amidst the vibrant atmosphere of the region. For more detailed insights into Porto Seguro's weather variations, check out Porto Seguro Climate.