Last updated: August 21, 2025
In August, Brasilia, Brazil basks in warm and inviting temperatures, with a maximum reaching 32°C (90°F) and an average of 22°C (72°F). The weather remains delightfully dry, with only 3 mm (0.1 in) of precipitation and no rainy days, making it the perfect time for outdoor exploration. With humidity levels at a comfortable 44%, residents and visitors alike can enjoy the stunning cityscape and vibrant culture in pleasant conditions. August in Brasilia is a month of sunshine and opportunity, inviting you to experience its unique charm.
In August, Brasília experiences a delightful transition with temperatures that hint at both warmth and coolness. The month kicks off with a minimum temperature of 11°C (52°F), providing a refreshing break from the heat of the preceding months. As the days progress, the average temperature settles at a comfortable 22°C (72°F), making it a pleasant time for outdoor activities. The warmth peaks with a maximum of 32°C (90°F), a reminder of the vibrant sun that defines the Brazilian climate. This blend of mild mornings, comfortable afternoons, and warm evenings indicates a shift towards the more temperate months ahead, showcasing Brasília's unique charm in August.
In August, Brasilia experiences a significant drop in precipitation, recording merely 3 mm (0.1 in) of rain, which marks a stark contrast to the heavy downpours typical of the earlier months. Following the dry spell of July, August continues the trend with 0 rain days, reflecting the peak of the dry season. This leads to a sharp decline in overall humidity and a noticeable decrease in rainfall days as the city transitions towards the drier months of the year. As the landscape bakes under the sun, the anticipation builds for the upcoming rains in September and October, when precipitation amounts notably increase again, signaling a shift back to a more humid environment.
In August, Brasilia experiences a notable drop in humidity, reaching an average of 44%. This month marks the beginning of a drier stretch, following a peak in moisture during the earlier months, where humidity soared to 90% in March. The transition from the sultry summer months to the cooler, drier climate of the upcoming season is evident as humidity levels steadily decline from 65% in May to August's comfortable levels. The relatively dry air provides a refreshing contrast to the heavy humidity that characterizes the earlier part of the year, paving the way for an inviting atmosphere as the city moves towards the fall months.
In August, Brasilia experiences a notable UV Index of 12, categorized as extreme, with a burn time of just 10 minutes. This marks a subtle increase from the preceding months of June and July, where the UV levels were classified as very high, reflecting a consistent trend of elevated UV exposure throughout the year. From January to May, the UV Index typically remains in the extreme range, peaking at 16 during the summer months, which means that residents and visitors alike must remain vigilant about sun safety. As we transition into the latter months of the year, the UV Index fluctuates, often returning to the extreme category during September to November. For more insights and tips on managing sun exposure, visit Brasilia UV Index.
UV Risk Categories
In Brasilia during the month of August, the sun shines brightly, offering a remarkable 334 hours of glorious sunlight. This marks a peak in the annual sunshine trend, following a steady increase through the winter months of July and June, where daylight hours averaged 333 and 317 respectively. The month stands out in the broader context of the year, as it transitions from the cooler periods to the more vibrant spring months ahead. Overall, the summer months in Brasilia deliver an impressive amount of sunshine, with August nestled among the top contenders, hinting that the promise of long, sun-soaked days is just around the corner.
August in Brasília, Brazil, boasts a promising 71% chance of sunny weather, making it one of the most favorable months for sunshine in the year. This reflects a noticeable trend as the city transitions from the rainy season, with July hitting an impressive peak at 91%, only slightly tapering off in August. Following this sunny streak, the likelihood of clear skies remains relatively high into September at 68%, before dipping significantly in the later months toward the end of the year. With these statistics in mind, August emerges as a pivotal time for outdoor activities, inviting both locals and visitors to bask in the warm, sun-drenched days that characterize this vibrant capital.
In Brasília, Brazil, the daylight duration showcases a fascinating rhythm throughout the year. Starting with a consistent 12 hours of daylight from January to March, the days gradually shorten in April, settling at 11 hours from April through August. Interestingly, August maintains this brisk 11-hour stretch, before transitioning back to 12 hours in September, heralding a gradual return to longer days as the year progresses toward December's longest stretch of 13 hours. This progression reflects a balanced interplay between seasonal change and the unique geographic positioning of Brazil, providing a consistent experience of daylight that captivates both residents and visitors alike.
August marks a notable shift in the wind patterns of Brasília, Brazil, as average wind speeds rise to 2.9 m/s (7 mph). This increase, part of a broader trend, reflects the transitioning seasons where winds gradually escalate from the calmness of earlier months. The journey from January through July witnesses a steady climb from 1.7 m/s to 2.5 m/s, culminating in this peak in August. Following this peak, the winds gently retreat in September, hinting at the return to milder breezes as the year unfolds. Overall, August serves as a spirited interlude, showcasing nature's rhythm in Brazil's capital.
Weather in Brasilia varies notably across the year, with each month offering distinct climate conditions. This page compares August’s weather to other months in Brasilia, focusing on differences in temperature, rainfall, humidity, and UV levels.
In August, the weather is warm and pleasant with average temperatures ranging from a minimum of 11°C (52°F) to a maximum of 32°C (90°F). The month is characterized by low precipitation, with only 3 mm (0.1 in) recorded and no rainy days, resulting in a relatively dry atmosphere with 44% humidity. In contrast, January experiences a higher minimum temperature of 16°C (60°F) and maintains an average of 23°C (73°F) with the same maximum of 32°C (90°F). However, it is much wetter, with 124 mm (4.9 in) of rain over 14 days, leading to significantly higher humidity at 86%. For a closer look at January’s weather conditions, check out Brasilia weather in January.
August and February display stark contrasts in weather conditions. In August, temperatures range from a mild minimum of 11°C (52°F) to a warm maximum of 32°C (90°F), with an average temperature of 22°C (72°F). This month experiences minimal precipitation, averaging just 3 mm and recording no rainy days, accompanied by a comfortable humidity level of 44%. In contrast, February features a significantly warmer minimum temperature of 17°C (63°F) and similar maximum temperatures, with an average also at 22°C (72°F). However, it is much wetter, with a substantial 259 mm of rainfall over 21 days, leading to high humidity levels of 89%. For more details, visit Brasilia weather in February.
August and March showcase distinct weather patterns in terms of temperature and precipitation. August typically experiences milder temperatures with a minimum of 11°C and a maximum of 32°C, averaging around 22°C. It is characterized by low precipitation, with only 3 mm recorded over the month and an average humidity of 44%. In contrast, March sees warmer nights with a minimum temperature of 16°C and the same maximum of 32°C, also averaging 22°C. However, the month is marked by significant rainfall, totaling 187 mm spread over 20 days, contributing to a much higher humidity level of 90%. For more detailed weather insights, you can check Brasilia weather in March.
When comparing the weather in August and April, notable differences emerge. In August, temperatures range from a minimum of 11°C (52°F) to a maximum of 32°C (90°F), with an average of 22°C (72°F) and virtually no precipitation, making it a dry month with only 3 mm (0.1 in) of rain. In contrast, April experiences a warmer minimum temperature of 15°C (58°F) and a slightly lower maximum of 31°C (87°F), with the same average of 22°C (72°F). However, April is significantly wetter, receiving 104 mm (4.1 in) of precipitation over 14 days, along with much higher humidity at 82%. For more information about Brasília's conditions, you can check Brasilia weather in April.
In comparing the weather between August and May, August boasts warmer temperatures, with a minimum of 11°C (52°F) and a maximum reaching 32°C (90°F), while May starts cooler at a minimum of 5°C (41°F) and peaks at 29°C (84°F). The average temperature in August is slightly higher at 22°C (72°F) compared to May’s average of 21°C (70°F). Additionally, August experiences significantly less precipitation, recording only 3 mm (0.1 in) with no rainy days, in contrast to May's 19 mm (0.7 in) over three days. Humidity levels are also higher in May at 65%, compared to the more comfortable 44% in August. For further insights, you can reference Brasilia weather in May.
In comparing the weather of August and June, August typically showcases slightly higher temperatures, with minimums of 11°C (52°F) and maximums reaching 32°C (90°F), resulting in a warm average of 22°C (72°F). In contrast, June tends to be a bit cooler, starting at a minimum of 10°C (50°F) and peaking at 29°C (85°F), with an average temperature of 20°C (69°F). Both months experience low precipitation, with August averaging just 3 mm (0.1 in) and June at 1 mm (0.1 in), and neither month sees any rainy days. Notably, humidity is lower in August at 44%, compared to a more humid 59% in June, making June feel a bit more muggy. For more details, you can check Brasilia weather in June.
In comparing the weather of August and July, August stands out with a warmer temperature range, featuring a minimum of 11°C (52°F), an average of 22°C (72°F), and a maximum of 32°C (90°F), as opposed to July’s cooler temperatures, which range from a minimum of 8°C (47°F) to a maximum of 29°C (85°F). Additionally, August experiences minimal precipitation, receiving only 3 mm (0.1 in), while July enjoys an even drier spell with no recorded rainfall. Both months share relatively low humidity levels, but July has a slightly higher average at 53% compared to August’s 44%. For more detailed insights on July weather, you can refer to this link: Brasilia weather in July.
August and September present notable shifts in weather patterns. In August, temperatures range from a minimum of 11°C (52°F) to a maximum of 32°C (90°F), with an average of 22°C (72°F) and virtually no precipitation, leading to a comfortable humidity level of 44%. In contrast, September experiences a slight increase in temperatures, with a minimum of 13°C (56°F) and a maximum reaching 35°C (96°F), along with an average of 24°C (76°F). However, the month sees increased precipitation of 12 mm (0.5 in) over two days, resulting in lower humidity at 34%. For more detailed information, you can check Brasilia weather in September.
In August, the weather is generally mild, with temperatures ranging from a minimum of 11°C (52°F) to a maximum of 32°C (90°F), and an average of 22°C (72°F). This month features minimal precipitation, recording only 3 mm (0.1 in) and no rainy days, along with a humidity level of 44%. In contrast, October experiences a warmer climate, with temperatures ranging from a minimum of 15°C (60°F) to a scorching maximum of 36°C (98°F) and an average of 25°C (76°F). However, October is significantly wetter, with 100 mm (3.9 in) of rainfall over 14 days and a lower humidity of 26%. For more details, you can check Brasilia weather in October.
August and November in Brasilia display notable contrasts in weather conditions. August typically enjoys milder temperatures, with a minimum of 11°C (52°F) and an average of 22°C (72°F), while November shows a warmer minimum of 17°C (62°F) yet maintains a similar average. Interestingly, August experiences very little precipitation, with only 3 mm (0.1 in) and no rainy days, contributing to a lower humidity level of 44%. In contrast, November brings significant rainfall, totaling 199 mm (7.9 in) over 22 days, and an increase in humidity to 50%. For more details on the specific weather conditions in November, visit Brasilia weather in November.
In comparing the weather of August and December, we see significant differences in both temperature and precipitation levels. August boasts a comfortable average temperature of 22°C (72°F) with no recorded precipitation, resulting in dry conditions and a low humidity level of 44%. In contrast, December also delivers an average temperature of 22°C (72°F), but temperatures can range higher, reaching a maximum of 32°C (90°F). However, December is characterized by heavy rainfall, receiving approximately 243 mm (9.6 in) of precipitation over 22 days, which contributes to a higher humidity level of 70%. For more details on the weather patterns in December, visit Brasilia weather in December.
In August, Brasília experiences a pleasant transition as it shifts towards the more temperate months of the year. With warm maximum temperatures and a generally comfortable average, the weather is a delightful escape from the sweltering heat of earlier months. What makes this month truly stand out is the remarkably low precipitation, with zero rainy days, allowing residents and visitors to enjoy the sunny skies and 44% humidity that often characterize this time. This enviable climate makes August a perfect month for outdoor activities and exploration. To learn more about how Brasília's unique weather patterns shape its climate throughout the year, visit Brasilia Climate.