August Weather in Itanhaem, Brazil

Last updated: August 21, 2025

August in Itanhaém, Brazil offers a mild and pleasant climate, characterized by an average temperature of 19°C (66°F), with peaks reaching up to 29°C (85°F). The weather is punctuated by a noticeable humidity of 78%, creating a tropical atmosphere despite the cooler temperatures. However, visitors should prepare for occasional rain, as the region experiences about 120 mm (4.7 in) of precipitation over 12 days throughout the month. Overall, August provides a stunning backdrop for exploring Itanhaém’s picturesque coast and vibrant culture, blending warmth with refreshing coastal breezes.

August Temperature in Itanhaem

In August, Itanhaém experiences a gentle shift towards cooler temperatures as winter settles in. The average temperature hovers around 19°C (66°F), with nightly lows dipping to 14°C (57°F), providing a refreshing respite from the tropical heat of the previous months. Daytime highs reach a comfortable 29°C (85°F), making it ideal for both beach outings and leisurely strolls through this charming coastal town. Unlike the steamy summer months, August offers a delightful balance, hinting at the seasonal transition while still basking in the warmth of Brazil’s vibrant climate. The overall trend showcases a gradual cooling from the sweltering heights of January, making August a perfect time for those who prefer milder weather yet still wish to enjoy the scenic beauty of Itanhaém.

August Weather in Itanhaem: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in Itanhaem, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Itanhaem, August typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec787777737069666669717275
Data source: Temperature data for Itanhaem generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

August Precipitation in Itanhaem

In August, Itanhaem experiences a moderate precipitation of 120 mm (4.7 in), signaling a shift from the drier spell of July, which recorded only 76 mm (3.0 in). This month sees 12 days of rainfall, slightly up from July's 8 days, reflecting a return to more typical conditions as the winter months draw to a close. The overall trend in Itanhaem shows a gradual increase in precipitation leading into the spring, with monthly totals rising significantly from the winter lows of June and July, paving the way for the more vibrant and lush months ahead. As the year's wettest months approach, August's rainfall acts as a transitional period, bridging the gap between the dry spells of winter and the rejuvenating rains of spring.

August Precipitation Trends in Itanhaem

The chart displays monthly precipitation patterns in Itanhaem, with values for each month alongside August’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how August’s conditions compare to those of other months. In Itanhaem, August typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec1752532361541381357612089184134163
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Itanhaem

August in Itanhaém, Brazil, brings a noticeable dip in humidity, settling at 78%—the lowest point of the year. This month marks a transition as the coastal town experiences a gradual decrease from the sweltering highs of January's 89%. Following a consistent decline through the summer months, August showcases a refreshing break, preparing residents and visitors for a shift toward drier conditions in the upcoming months. Interestingly, humidity levels remain stable in September at 78%, hinting at a lingering coastal influence before further reductions in October, where they drop to 76%. This trend of decreasing humidity encapsulates Itanhaém's unique climate, highlighting its shift from the humid summer months toward a more temperate fall.

August Average Humidity in Itanhaem

This chart illustrates the average monthly humidity levels in Itanhaem, with August’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In August, average humidity in Itanhaem is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%87%86%84%84%82%80%78%78%76%85%87%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Itanhaem

In August, Itanhaem's UV Index reaches 8, falling into the very high exposure category, which means a burn can occur in just 15 minutes. This is a slight increase compared to the milder months of June and July, where the Index held steady at 6. As summer approaches, the UV levels consistently rise, with the preceding months of January through March showcasing extreme UV values peaking at 15. Following August, the trend continues with a jump to 11 in September, reminding residents and visitors alike of the need for sun protection as they enjoy the region's beautiful beaches. For more detailed insights on the UV levels in this coastal paradise, check out the comprehensive information at Itanhaem UV Index.

Maximum UV Index Levels in Itanhaem for August

The chart shows the monthly maximum UV Index (UVI) for Itanhaem in August, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In August, the maximum UV index in Itanhaem typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec15141210866811131415
Data source: Itanhaem August UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

August Sunshine in Itanhaem

August in Itanhaém, Brazil, offers a delightful blend of warmth and sunshine, boasting 247 hours of bright, sunlit days. This month sits comfortably within a pattern of fluctuating daylight that peaks in the later months of the year, particularly in November and December, which accumulate 301 and 328 hours respectively. While August experiences fewer sunshine hours compared to the vibrant spring months, such as March with its impressive 295 hours, it remains a charming time to bask in the Brazilian sun. As the year progresses, the overall trend illustrates a gradual increase in sunlight hours, making the summer months an enticing treat for both locals and visitors alike.

Monthly Sunshine Duration in Itanhaem: August Highlighted

The August sunshine duration represents the total number of hours Itanhaem experiences direct sunlight during the month of August, excluding cloudy or obstructed periods. This chart compares the sunshine duration of August with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec258h276h295h294h269h234h272h247h263h251h301h328h
Data source: Itanhaem August Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Itanhaem During August

When considering the likelihood of sunny weather in August in Itanhaém, Brazil, you'll find it presents a promising 42% chance of sunshine. This places August as one of the more favorable months for bright days, closely mirroring the sun-filled months of both April and May. A noticeable upward trend emerges in the months leading to August, as July enjoys the highest probability of sunshine at 53%, followed by June with a 35% chance. Interestingly, this sunny pattern tends to fluctuate, with a drop in likelihood occurring in autumn, particularly in September at just 30%. These trends suggest that while August offers a good opportunity for sun-seekers, the preceding months of winter may still provide ample sunshine before the more variable seasons begin.

Percentage of Sunny Days in August in Itanhaem

The chart illustrates the percentage of sunny days in Itanhaem throughout the year, with August highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Itanhaem experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec14%42%39%45%45%35%53%42%30%18%41%41%
Data source: Itanhaem August chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Itanhaem in August

In Itanhaem, Brazil, August marks a transition in daylight duration, returning to 11 hours as the days gradually lengthen after the cooler winter months. Following the consistent 10-hour days of June and July, August signals the approach of spring, drawing in slightly more sunlight. This pattern of increasing daylight continues into September, where daylight remains steady at 11 hours, before advancing to 12 hours in October. Throughout the year, Itanhaem experiences a natural rhythm, with longer days dominating the summer months of January and February, while winter witnesses the shortest. Overall, August serves as a pivotal month, heralding the end of winter and welcoming more sunlight on the horizon.

Average Daylight Hours in Itanhaem for August

The chart illustrates the variation in daylight duration in Itanhaem throughout the year, with August highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec13h 25m12h 52m12h 11m11h 29m10h 55m10h 38m10h 47m11h 17m11h 57m12h 39m13h 16m13h 35m
Data source: Itanhaem daylight hours, calculated by summing the hours between sunrise and sunset for each day.

August Winds in Itanhaem

In August, Itanhaem experiences a notable uptick in average wind speed, reaching 3.6 m/s (8 mph), mirroring the conditions of September. This heightened breeze signifies a shift in the seasonal patterns, as the previous months maintained relatively calm conditions. The wind begins to pick up notably in April, setting the stage for these August gusts, while October marks the peak with an average speed of 4.6 m/s (10 mph). As the year progresses, the transition into spring brings a refreshing vitality to the coastal landscape, enhancing the charm of Itanhaem’s inviting beaches and vibrant atmosphere. The consistent breezy weather throughout August not only captivates visitors but also serves as a gentle reminder of the dynamic interplay between land and sea along this beautiful Brazilian coast.

Average August Wind Speed in Itanhaem

The chart displays monthly wind speed patterns in Itanhaem, with values for each month shown alongside August's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how August's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec2.72.62.63.53.13.02.73.6 m/s3.64.63.63.4
Data source: Itanhaem August wind data, generated using information from the Copernicus Climate Change Service.

How August Weather in Itanhaem Compares to Other Months

Weather in Itanhaem varies notably across the year, with each month offering distinct climate conditions. This page compares August’s weather to other months in Itanhaem, focusing on differences in temperature, rainfall, humidity, and UV levels.

August and January in Itanhaem present notably different weather patterns. In August, average temperatures range from a minimum of 14°C (57°F) to a maximum of 29°C (85°F), with a moderate precipitation of 120 mm (4.7 in) over about 12 days, and humidity at 78%. In contrast, January offers warmer weather, with temperatures averaging between 21°C (70°F) and 32°C (89°F), and higher precipitation at 175 mm (6.9 in) over approximately 20 days, accompanied by increased humidity at 89%. These differences highlight the transition from the cooler, drier August to the warmer, wetter conditions of January. For more detailed insights, you can check this link: Itanhaem weather in January.

In comparing the weather of August and February, it's evident that February is generally warmer and wetter. August experiences a temperature range from a mild 14°C (57°F) to a maximum of 29°C (85°F), with an average of 19°C (66°F) and precipitation totaling 120 mm (4.7 in) over 12 days. In contrast, February sees higher temperatures, with a minimum of 21°C (70°F) and a maximum reaching 31°C (88°F), averaging 25°C (78°F). Additionally, February is notably wetter, with 253 mm (10.0 in) of rain over 21 days, accompanied by a higher humidity level of 87%. For more details, check out Itanhaem weather in February.

In comparing the weather between March and August, we see notable differences in temperature and precipitation. March typically experiences warmer temperatures, with a minimum of 20°C (68°F) and a maximum reaching 32°C (90°F), averaging around 25°C (77°F). In contrast, August is cooler with temperatures ranging from a minimum of 14°C (57°F) to a maximum of 29°C (85°F), averaging 19°C (66°F).

Additionally, March is characterized by higher precipitation levels, totaling 236 mm (9.3 in) over 22 days, compared to August's 120 mm (4.7 in) across 12 days. The humidity levels are also slightly elevated in March at 86%, whereas August maintains a humidity level of 78%. For a detailed look at March's weather patterns, you can check Itanhaem weather in March.

In comparing the weather of August and April, we observe distinct differences in temperature and precipitation. August typically sees a minimum temperature of 14°C (57°F) and an average of 19°C (66°F), whereas April starts at a higher minimum of 18°C (66°F) and an average of 23°C (74°F). Both months can reach a maximum of around 29°C (85°F) in August and 30°C (87°F) in April. However, April experiences more rainfall, with 154 mm (6.0 in) over 16 days compared to August's 120 mm (4.7 in) over 12 days. Humidity also differs slightly, with April having a higher average at 84% compared to August's 78%. For more detailed information on April weather conditions, you can visit Itanhaem weather in April.

When comparing the weather in August and May, we find some interesting differences and similarities. In August, temperatures range from a minimum of 14°C (57°F) to a maximum of 29°C (85°F), with an average of 19°C (66°F). In contrast, May sees slightly warmer temperatures, with a minimum of 15°C (58°F), an average of 21°C (71°F), and a maximum of 28°C (84°F). Precipitation levels are relatively close, with August receiving 120 mm (4.7 in) over 12 days and May slightly higher at 138 mm (5.4 in) over 13 days. Humidity is a bit lower in August at 78%, compared to May's 84%. For more detailed information on May's weather, you can check Itanhaem weather in May.

When comparing the weather between August and June, both months exhibit similar maximum temperatures, peaking at 29°C (85°F). However, June tends to be slightly warmer on average, with an average temperature of 21°C (69°F) compared to August's 19°C (66°F). Precipitation levels are also noteworthy, as June sees a bit more rainfall at 135 mm (5.3 in) over 13 days, while August has 120 mm (4.7 in) spread over 12 days. Humidity is slightly higher in June at 82%, compared to 78% in August, suggesting a more humid feel during the earlier month. For a detailed look at June’s weather patterns, you can check Itanhaem weather in June.

In comparing the weather of August and July, both months showcase similar temperature ranges, with August experiencing slightly warmer minimum and maximum temperatures. In August, the minimum is 14°C (57°F) and the maximum reaches 29°C (85°F), while July sees a minimum of 11°C (52°F) and a maximum of 29°C (84°F). Precipitation levels also differ, with August recording 120 mm (4.7 in) over 12 days, compared to July's 76 mm (3.0 in) over 8 days. Humidity remains fairly consistent, with August at 78% and July at 80%. For more detailed insights into July weather, check out Itanhaem weather in July.

In August, the weather features a minimum temperature of 14°C (57°F) and an average of 19°C (66°F), peaking at a maximum of 29°C (85°F). This month experiences approximately 120 mm (4.7 in) of precipitation over 12 days, while humidity levels remain high at 78%. Conversely, September brings slightly warmer conditions, with minimum temperatures rising to 16°C (61°F) and an average temperature of 20°C (69°F), reaching a maximum of 31°C (88°F). Precipitation decreases to 88 mm (3.5 in) over 13 days, but humidity remains consistent at 78%. For a more detailed look at the weather in this month, you can explore Itanhaem weather in September.

In comparing the weather between August and October, October tends to be slightly warmer, with average temperatures rising from 19°C (66°F) in August to 22°C (71°F). The maximum temperature in October can reach 31°C (88°F), surpassing August's 29°C (85°F). However, October also brings more rainfall, with total precipitation increasing significantly from 120 mm (4.7 in) over 12 days in August to 184 mm (7.2 in) across 20 days. Despite the increase in precipitation, humidity levels remain relatively similar, with August at 78% and October at 76%. For more detailed information, you can check Itanhaem weather in October.

August and November present contrasting weather patterns. In August, temperatures range from a minimum of 14°C (57°F) to a maximum of 29°C (85°F), with an average of 19°C (66°F). This month receives around 120 mm (4.7 in) of precipitation over about 12 days, accompanied by a humidity level of 78%. In comparison, November enjoys slightly warmer temperatures, with a minimum of 17°C (63°F) and a maximum of 27°C (82°F), averaging 22°C (72°F). However, it experiences more rainfall, totaling 134 mm (5.3 in) over approximately 19 days, and a higher humidity at 85%. For more detailed insights, check out Itanhaem weather in November.

In August, the weather in Itanhaém is characterized by milder temperatures, with a minimum of 14°C (57°F) and an average of 19°C (66°F), reaching a maximum of 29°C (85°F). However, it also experiences significant rainfall, with 120 mm (4.7 in) over 12 days and a humidity level of 78%. In contrast, December sees a slight increase in overall warmth, with minimum temperatures of 19°C (67°F) and an average of 24°C (75°F), while still peaking at 29°C (85°F). The month is also wetter, with 162 mm (6.4 in) of precipitation spread across 19 days and higher humidity at 87%. For a detailed look at December’s weather, you can visit Itanhaem weather in December.

Compare Itanhaem's Climate with Cities Worldwide

Conclusion: What to Expect From August Weather in Itanhaem

In August, Itanhaém experiences a transition from the cooler winter months to the slightly warmer spring atmosphere, with average temperatures providing a pleasant respite for locals and visitors alike. While the humidity lingers at 78%, making the air feel a bit heavier, the weather is characterized by fewer rain showers compared to the peak rainy season. Despite around 12 days of precipitation adding a refreshing touch, August offers a delightful mix of comfortable days and cool evenings, setting it apart from the hotter and more humid conditions of the upcoming months. For more insights on seasonal patterns, check out Itanhaem Climate.