Last updated: August 21, 2025
Experience the vibrant August weather of Ilhabela, Brazil, where temperatures range from a pleasant 15°C (60°F) at night to a warm 28°C (83°F) during the day, averaging around 20°C (68°F). This month is characterized by a moderate humidity level of 65% and 13 days of rainfall, accumulating approximately 126 mm (5.0 in) of precipitation. Whether you're exploring the lush landscapes or enjoying the scenic coastlines, August offers a unique blend of warmth and refreshing tropical showers, making it an ideal time for adventure and relaxation alike.
In August, Ilhabela experiences a notable shift in temperatures as winter gently transitions to spring. With minimums around 15°C (60°F) and averages settling at 20°C (68°F), the island offers a mild yet pleasant climate for visitors. The maximum temperature peaks at 28°C (83°F), providing just enough warmth for outdoor adventures while avoiding the intense heat characteristic of the summer months. This month marks a turning point, where the chilly mornings of July give way to a more inviting atmosphere, encouraging tourists to explore the stunning beaches and lush landscapes of this Brazilian paradise. Overall, August is a delightful blend of comfortable temperatures and vibrant natural beauty, perfect for those looking to escape the summer crowds.
In August, Ilhabela experiences a precipitation amount of 126 mm (5.0 in), with rainfall occurring over 13 days. This marks a slight increase compared to the drier conditions of July, which only saw 68 mm over just 6 days. While August is relatively wetter than its immediate predecessor, it remains less humid than the heavier rainfall seen from January to March. As the year progresses, precipitation trends reveal a gradual increase in rainfall leading into the more intense wet months of October and November, underscoring the island's dynamic climate and the influence of seasonal changes.
In August, Ilhabela, Brazil experiences a notable dip in humidity, with levels falling to 65%—a refreshing change compared to the year’s peak months. This decline marks a significant shift from the sticky summer humidity of January and February, which hover around 88%. As the year progresses, humidity gradually decreases, culminating in August’s drier air, making it an ideal time for outdoor activities and exploration. Following this month, the humidity continues to drop, reaching its annual low of 50% in October, further enhancing the region’s inviting climate. Thus, August serves as a transitional period, signaling the onset of a more comfortable and pleasant environment on this stunning island.
In August, Ilhabela experiences a UV Index of 9, categorizing it as very high and indicating a burn time of approximately 15 minutes. This marks a slight increase from July, where the UV Index was 7, reflecting the region's gradual transition from winter to spring. As the year unfolds, the UV Index consistently fluctuates, with the most intense levels peaking in the early months at 15, signaling extreme exposure risks during January and February. Overall, while August presents elevated UV levels, it is still manageable with proper sun protection measures in place. For detailed insights and real-time updates, visit the Ilhabela UV Index.
UV Risk Categories
In August, Ilhabela experiences a delightful 262 hours of sunshine, contributing to a vibrant summer atmosphere. This month typically enjoys slightly fewer sunshine hours compared to the previous months of March and April, which clock in at 304 and 293 hours respectively, showcasing the peak of the season. However, August maintains a pleasant balance, with sunshine hours aligning closely to the lively months of July and September at 288 hours. As the year progresses, the sun’s presence fluctuates, peaking in December with an impressive 324 hours, but August remains an inviting choice for those seeking a warm escape within the lush beauty of this Brazilian paradise.
In Ilhabela, Brazil, August offers a promising blend of sun and warmth, with a 56% chance of sunny weather. This month stands out as a transitional period following July's peak sunshine at 62%. Compared to earlier months, August maintains a favorable likelihood of clear skies, especially after the cloudier winter months, making it a delightful time for outdoor activities. As summer approaches its peak, prospective visitors can look forward to glorious sunshine while enjoying the stunning natural beauty of this coastal paradise.
In Ilhabela, Brazil, the transition from winter to spring brings a notable increase in daylight hours. August, typically marked by 11 hours of daylight, reflects a gentle transition compared to the shorter days seen in the winter months of June and July, which are bundled at around 10 hours. This upward trend continues into September, maintaining that same 11-hour light as the days gradually lengthen. As the year progresses, residents and visitors can look forward to the days getting notably longer, culminating in the bright, sun-filled months of November and December, each boasting 13 hours of daylight. This rhythm of daylight not only shapes daily life but also enhances the allure of Ilhabela’s stunning beaches and lush landscapes throughout the year.
In August, the winds in Ilhabela, Brazil, begin to pick up, boasting an average speed of 4.6 m/s (10 mph). This marks a slight increase from July's 3.7 m/s (8 mph), setting the stage for a breezier month ahead. As the region transitions into the spring months, wind speeds continue to rise, peaking at 5.8 m/s (13 mph) in October. This upward trend, with August leading the charge, suggests that visitors can expect invigorating sea breezes perfect for sailing and outdoor adventures. The pattern hints at a gradual ramp-up in wind activity leading into the more dynamic months of September and October, making the late winter and early spring period an enticing time to experience the natural beauty of Ilhabela.
Weather in Ilhabela varies notably across the year, with each month offering distinct climate conditions. This page compares August’s weather to other months in Ilhabela, focusing on differences in temperature, rainfall, humidity, and UV levels.
August and January exhibit quite different weather patterns. In August, temperatures range from a minimum of 15°C (60°F) to a maximum of 28°C (83°F), with an average of 20°C (68°F). The month sees about 126 mm (5.0 in) of precipitation across 13 days and maintains a humidity level of 65%. In contrast, January experiences warmer conditions, with temperatures fluctuating between 22°C (72°F) and 31°C (89°F), averaging 26°C (79°F). Rainfall is slightly higher, at 138 mm (5.5 in) over the same number of days, but the humidity is notably higher at 88%. For a more detailed look at January's weather, you can visit Ilhabela weather in January.
In August, the weather in Ilhabela is noticeably cooler, with temperatures ranging from a minimum of 15°C (60°F) to a maximum of 28°C (83°F) and an average of 20°C (68°F). It experiences less humidity at 65% and receives about 126 mm (5.0 in) of precipitation over approximately 13 days. In contrast, February brings warmer conditions with temperatures ranging from a minimum of 21°C (71°F) to a maximum of 32°C (90°F), and an average of 25°C (78°F). This month also sees higher rainfall totals, accumulating 214 mm (8.4 in) over about 16 days, paired with significantly increased humidity at 88%. For a detailed look at February weather in Ilhabela, you can visit Ilhabela weather in February.
When comparing the weather in August and March, it's evident that March tends to be warmer and more humid. In March, temperatures range from a minimum of 21°C (70°F) to a maximum of 30°C (87°F), with an average of 25°C (77°F). In contrast, August offers milder temperatures, with a minimum of 15°C (60°F) and a maximum of 28°C (83°F), averaging around 20°C (68°F). Additionally, March experiences more precipitation, totaling 196 mm (7.7 in) over 15 days, compared to August's 126 mm (5.0 in) across 13 days. The humidity is also higher in March at 87%, whereas August has a more comfortable 65%. For a closer look at the weather patterns in March, you can visit Ilhabela weather in March.
In comparing the weather between August and April, we see distinct differences. August typically sees cooler temperatures, with lows around 15°C (60°F) and averages of 20°C (68°F), while April enjoys warmer conditions with a minimum of 19°C (67°F) and average highs of 23°C (74°F). April also boasts the highest maximum temperature at 30°C (86°F), providing a noticeably hotter climate compared to August's peak of 28°C (83°F). In terms of precipitation, both months are quite similar, with August receiving about 126 mm (5.0 in) of rainfall over 13 days, while April has slightly less at 122 mm (4.8 in) over 14 days. Humidity levels are higher in April at 84%, compared to August's more comfortable 65%.
For a detailed look at Ilhabela’s weather during this time, visit Ilhabela weather in April.
In comparing the weather of August and May, both months exhibit similar maximum temperatures, reaching up to 28°C (83°F). However, May tends to be slightly warmer on average, with an average temperature of 22°C (72°F) compared to August's 20°C (68°F). Precipitation levels are comparable, with August experiencing 126 mm (5.0 in) over 13 days, while May has a slightly higher total of 133 mm (5.2 in) over 12 days. Additionally, the humidity in May is notably higher at 79%, which can contribute to a more sultry feel compared to the 65% humidity in August. For more details, you can check Ilhabela weather in May.
In comparing the weather of August and June, both months experience similar maximum temperatures, reaching up to 28°C (83°F). However, June tends to be slightly warmer on average, with temperatures averaging 21°C (71°F) compared to August's average of 20°C (68°F). Precipitation levels are also comparable, with August receiving more rain at 126 mm (5.0 in) over 13 days, while June has 112 mm (4.4 in) over 12 days. Notably, humidity is higher in June at 77%, compared to 65% in August, indicating that June feels more humid and potentially warmer despite the similar max temperatures. For a closer look at June's weather, you can visit Ilhabela weather in June.
In comparing the weather between July and August, we see some notable differences. August experiences slightly warmer conditions with average temperatures remaining constant at 20°C (68°F), but with a higher maximum of 28°C (83°F) compared to July's peak of 29°C (84°F). In terms of rainfall, August significantly increases precipitation levels to 126 mm (5.0 in) over 13 days, while July only saw 68 mm (2.7 in) across 6 days. This increase in rainfall in August also comes with a decrease in humidity, which sits at 65% compared to July's 72%. For a more detailed comparison of July's weather, you can refer to Ilhabela weather in July.
August and September showcase a transition in weather patterns, with September generally offering slightly warmer and drier conditions. In August, the average temperature hovers around 20°C (68°F), with maximum highs reaching 28°C (83°F) and notable precipitation of 126 mm (5.0 in) over 13 days. In contrast, September brings a marginal increase in average temperature to 21°C (70°F) and maximum temperatures peaking at 30°C (86°F), while experiencing less rainfall at 101 mm (4.0 in) over just 12 days. Humidity also drops from 65% in August to 58% in September, leading to a more comfortable feel. For a more detailed look into September weather, you can visit Ilhabela weather in September.
In August, the weather is generally cooler, with temperatures ranging from a minimum of 15°C (60°F) to a maximum of 28°C (83°F), resulting in an average temperature of 20°C (68°F). In contrast, October sees warmer temperatures, with a minimum of 17°C (63°F) and a maximum reaching 32°C (91°F), leading to an average temperature of 22°C (71°F). While August experiences more humidity at 65% and significant precipitation of 126 mm (5.0 in) over 13 days, October has lower humidity at 50% but higher precipitation of 160 mm (6.3 in) over 19 days, indicating a shift in weather patterns. For more detailed information on the October weather, you can check out Ilhabela weather in October.
August and November exhibit distinct weather patterns, with November generally being warmer and wetter. In August, temperatures range from a minimum of 15°C (60°F) to a maximum of 28°C (83°F) with an average of 20°C (68°F), while November sees slightly higher temperatures, with a minimum of 18°C (65°F) and a maximum of 29°C (84°F), averaging 22°C (71°F). Precipitation also increases in November, totaling 171 mm (6.7 in) over 17 days compared to August's 126 mm (5.0 in) over 13 days. Additionally, November experiences higher humidity at 75%, making the air feel more humid compared to August's 65%. For more details, check Ilhabela weather in November.
In comparing the weather of August and December, several notable differences emerge. In August, temperatures typically range from a minimum of 15°C (60°F) to a maximum of 28°C (83°F), with an average of 20°C (68°F). August features 126 mm (5.0 in) of precipitation across 13 days, and humidity levels sit at 65%. Conversely, December's climate is warmer, with temperatures ranging from a minimum of 19°C (67°F) to a maximum of 29°C (85°F), averaging 24°C (75°F). The month also has slightly higher precipitation at 144 mm (5.7 in) over 14 days, accompanied by increased humidity at 80%. For more detailed information, check out Ilhabela weather in December.
As August ushers in a transition in Ilhabela's climate, the weather becomes pleasantly mild, making it a unique time to visit compared to other months. With average temperatures hovering around a comfortable 20°C (68°F), the island offers a refreshing escape from the heat of the summer months. While rainfall is still present, averaging 126 mm over 13 days, it’s less frequent than in the peak rainy season, allowing visitors to enjoy both the beauty of nature and outdoor activities. The 65% humidity adds a touch of tropical warmth, enhancing the overall charm of Ilhabela during this time. For more insights into the island's weather patterns throughout the year, be sure to check out Ilhabela Climate.