Last updated: August 21, 2025
Santos, Brazil, in August offers a mild tropical climate with an average temperature of 19°C (67°F), peaking at a comfortable 30°C (87°F) and dipping to a minimum of 14°C (57°F). The humidity level stays relatively high at 78%, making the air feel warmer. Visitors can expect about 133 mm (5.3 in) of rainfall across 13 days, bringing some wet spells amidst the balmy conditions. This unique blend of temperatures and moisture creates a vibrant atmosphere, perfect for experiencing the city's coastal charm.
In August, temperatures in Santos, Brazil, begin to shift towards milder conditions as winter draws to a close. The minimum temperature reaches a comfortable 14°C (57°F), providing a refreshing chill, while the average temperature settles at a cooler 19°C (67°F). The warmest days can still see highs of 30°C (87°F), mirroring the pleasant warmth of earlier months without the oppressive heat. This transitional period showcases a gradual rise in temperatures as spring approaches, setting a lovely backdrop for outdoor activities along Santos' beautiful coastline.
In August, Santos experiences a moderate level of rainfall, recording 133 mm (5.3 inches) across 13 days. This amount marks a slight increase from July's drier conditions, where only 81 mm (3.2 inches) fell over 8 days. As the dry spell gives way to more frequent showers, August serves as a transition period, helping to bridge the lower precipitation of mid-winter to the wetter months ahead. This trend hints at the onset of the spring season in Brazil, where rainfall patterns typically see a noticeable uptick. Overall, August stands out for maintaining a balance, delivering enough moisture to nurture the lush landscapes of Santos while avoiding the heavier downpours experienced in the earlier months of the year.
In August, Santos, Brazil, experiences a notable drop in humidity, reaching 78%. This marks a continuation of a gradual decline that begins in July, where humidity levels are at 80%. The trend reveals that as the year progresses into the latter half, humidity levels steadily decrease from a peak in January at 89%. This consistent decline hints at a transition towards cooler, more comfortable conditions as summer fades, providing a refreshing contrast to the more oppressive humidity earlier in the year. As the city shifts into September, humidity remains stable at 78%, suggesting a lingering warmth but with a hint of relief, making August a pivotal time for those seeking a balance between heat and comfort in Santos.
In August, Santos, Brazil, experiences a UV Index of 9, categorizing it as very high with a burn time of 15 minutes. This marks a slight decrease from the extreme levels seen in the earlier months of the year, with January through April peaking at an astonishing 15. As summer transitions into fall, the UV Index trends suggest a gradual decline in intensity, though caution is still warranted during outdoor activities. This month serves as a reminder that while UV levels are decreasing, the sun's rays can still cause harm. For more detailed insights on UV exposure in the region, check out Santos UV Index.
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In Santos, Brazil, the month of August sees a remarkable average of 250 sunshine hours, contributing to the city's reputation as a vibrant coastal destination. While August doesn't reach the peak of sunlight provided in the preceding months like March and November, it maintains a consistent warmth as the winter chill fades. This balance of sunshine signals a transition toward the sunnier months ahead, with daylight hours gradually increasing. Overall, the trend from January's 256 hours to December's impressive 317 hours showcases Santos as a place where summer lingers and sunlight prevails, capturing the enchanting allure of Brazil's coast throughout the year.
In Santos, Brazil, the likelihood of sunny weather in August stands at a solid 50%, marking a notable balance between sunshine and cloud coverage as winter transitions to spring. Following a streak of increasingly brighter months, including the peak of 61% sunny days in July, August continues to offer a promising chance for those seeking sun-soaked experiences. This dip from the previous month indicates a slight shift, but contrasts sharply with the gray winter months of June and May, which hover around 40-47%. With a return to warmth on the horizon, August presents a delightful opportunity to enjoy both the delightful Brazilian summer ambiance and cultural festivities.
In Santos, Brazil, the rhythm of daylight shifts throughout the year, creating a vibrant tapestry of light. During the peak of summer in January, daylight stretches to an impressive 13 hours, inviting residents and visitors alike to bask in its warmth. As February and March progress, daylight slightly recedes to 12 hours, marking the transition towards autumn. April brings a further reduction to 11 hours, as days continue to shorten. The cooler months of May through July see a stable period of 10 hours of daylight, encouraging cozy gatherings as the climate cools. However, in August, daylight begins to extend once more, returning to 11 hours and hinting at the approaching spring. This upward trend continues into September, holding steady at 11 hours, before gradually increasing again in October. By the end of the year, November and December reignite the summer spirit with an enticing 13 hours of daylight, closing the year on a high note with abundant sunshine.
As summer transitions into early fall, August in Santos, Brazil welcomes a noticeable uptick in wind activity, with average speeds reaching 3.9 m/s (9 mph). This increase marks a shift from the gentler breezes of the preceding months, inviting both locals and visitors to enjoy the refreshing air. Notably, the wind speeds in August are among the highest of the year, laying the groundwork for an invigorating October that sees a further rise to 4.7 m/s (11 mph). The consistent pattern of moderate winds in late winter and early spring gradually gives way to an energetic atmosphere, reflecting a trend that teases the invigorating coastal gales of the upcoming summer months.
Weather in Santos varies notably across the year, with each month offering distinct climate conditions. This page compares August’s weather to other months in Santos, focusing on differences in temperature, rainfall, humidity, and UV levels.
In August, the weather features a milder temperature range with a minimum of 14°C (57°F) and an average of 19°C (67°F), peaking at 30°C (87°F). This month experiences around 133 mm (5.3 in) of precipitation over 13 days, accompanied by a humidity level of 78%. In contrast, January is warmer, with temperatures starting at a minimum of 21°C (69°F), averaging 26°C (79°F), and reaching up to 32°C (90°F). It also sees more rain, totaling 184 mm (7.2 in) across 18 days, and a slightly higher humidity of 89%. For a detailed look at January weather, you can explore Santos weather in January.
When comparing the weather in August and February, notable differences emerge in temperature and precipitation patterns. In August, temperatures range from a minimum of 14°C (57°F) to a maximum of 30°C (87°F), with an average of 19°C (67°F). The month experiences 133 mm (5.3 in) of rainfall over 13 days and a relatively lower humidity of 78%. Conversely, February offers warmer weather, with temperatures ranging from a minimum of 21°C (69°F) to a high of 33°C (91°F), averaging at 25°C (78°F). This month also sees significantly higher rainfall, totaling 249 mm (9.8 in) over 19 days, alongside greater humidity levels at 87%. For more details, you can visit Santos weather in February.
When comparing the weather in August and March, we see distinct differences in temperature and precipitation patterns. August typically experiences milder temperatures with a minimum of 14°C (57°F) and an average of 19°C (67°F), while March is warmer, with a minimum of 21°C (69°F) and an average of 25°C (77°F). Interestingly, March also sees higher maximum temperatures, reaching up to 32°C (90°F) compared to August's peak of 30°C (87°F).
In terms of rainfall, March is noticeably wetter, receiving 229 mm (9.0 in) over 20 days, compared to August's 133 mm (5.3 in) over just 13 days. Additionally, humidity levels are higher in March, averaging 86%, while August has a slightly lower humidity at 78%. For more detailed weather insights, you can check Santos weather in March.
In comparing the weather between August and April, we observe distinct differences in temperature and humidity patterns. August features cooler temperatures, with a minimum of 14°C (57°F) and an average of 19°C (67°F), while April tends to be warmer, with a minimum of 19°C (66°F) and an average of 23°C (74°F). Both months experience a similar amount of rainfall, with August receiving 133 mm (5.3 in) over 13 days and April slightly more at 139 mm (5.5 in) across 15 days. Additionally, April exhibits higher humidity levels at 84% compared to August’s 78%. For a detailed look at April weather, you can check Santos weather in April.
In comparing the weather of August and May, we notice some interesting differences. August tends to be slightly cooler, with average temperatures ranging from a minimum of 14°C (57°F) to a maximum of 30°C (87°F), while May has a higher average of 22°C (71°F) with temperatures varying from 15°C (59°F) to 29°C (84°F). Both months experience similar rainfall, averaging around 130-133 mm with precipitation occurring on 13 days. However, August has a lower humidity level at 78% compared to May's higher humidity of 84%. For a more detailed look at May weather, you can check out Santos weather in May.
When comparing the weather in August and June, both months exhibit relatively mild temperatures, with average highs reaching around 30°C (87°F) in August and 30°C (86°F) in June. However, June tends to be slightly warmer overall, with a minimum temperature of 15°C (60°F) compared to August's 14°C (57°F). Precipitation is a notable factor, as August sees a total of 133 mm (5.3 in) of rain over 13 days, while June has a slightly lower precipitation total of 117 mm (4.6 in) across 12 days. Humidity levels are also high in both months, with August at 78% and June slightly higher at 82%. For more detailed information, you can check this link: Santos weather in June.
When comparing the weather in August and July, we see a slight increase in temperatures, with August having average temperatures ranging from a low of 14°C (57°F) to a high of 30°C (87°F), compared to July's lows of 11°C (53°F) and highs of 30°C (86°F). August experiences more precipitation, totaling 133 mm (5.3 in) over 13 days, while July has only 81 mm (3.2 in) over 8 days. Moreover, humidity levels are fairly similar, with August slightly higher at 78% compared to July's 80%. Overall, August tends to be a wetter month with a slightly broader temperature range. For a detailed look at July's weather, you can check Santos weather in July.
August and September showcase a transition in weather patterns, with September generally being warmer. In August, temperatures range from a minimum of 14°C (57°F) to a maximum of 30°C (87°F) with an average of 19°C (67°F). The month also experiences significant rainfall, totaling 133 mm (5.3 in) over 13 days, paired with a consistent humidity of 78%. Conversely, September features slightly higher temperatures, with a minimum of 15°C (60°F), an average of 21°C (70°F), and a peak of 33°C (92°F). Precipitation decreases to 102 mm (4.0 in) across the same number of rainy days, while humidity remains stable at 78%. For more detailed insights, you can check the Santos weather in September.
August and October exhibit notable differences in weather patterns, particularly in temperature and precipitation. August typically experiences cooler temperatures, with a minimum of 14°C (57°F) and an average of 19°C (67°F), while October sees milder conditions, starting at a minimum of 17°C (62°F) and reaching an average of 22°C (72°F). Additionally, October often experiences more extreme heat, peaking at 34°C (93°F), compared to August's maximum of 30°C (87°F). When it comes to precipitation, October is wetter, with 183 mm (7.2 in) over 19 days, compared to 133 mm (5.3 in) over 13 days in August. This results in a slightly lower humidity level of 76% in October, versus 78% in August. For a more detailed look at October's weather, you can visit Santos weather in October.
August and November exhibit some notable differences in weather patterns. In August, the temperatures range from a minimum of 14°C (57°F) to a maximum of 30°C (87°F), with an average of 19°C (67°F). The month sees about 133 mm (5.3 in) of precipitation spread over 13 days, accompanied by a humidity level of 78%. In contrast, November brings slightly warmer temperatures, with a minimum of 17°C (63°F) and a maximum that matches August at 31°C (87°F), but with a higher average of 22°C (72°F). Rainfall increases to 147 mm (5.8 in) over 18 days, and humidity rises to 85%. For a more detailed look at November weather specifics, check this link: Santos weather in November.
In comparing the weather between August and December, we see some distinct differences. August tends to be cooler, with temperatures ranging from a minimum of 14°C (57°F) to a maximum of 30°C (87°F), while the average temperature hovers around 19°C (67°F). The month experiences 133 mm (5.3 in) of precipitation over approximately 13 days, accompanied by a humidity level of 78%.
In contrast, December has a milder climate, featuring higher temperatures that range from a minimum of 19°C (66°F) to the same maximum of 30°C (87°F), with an average of 24°C (75°F). However, it also brings more rain, accumulating 153 mm (6.0 in) over about 19 days, with increased humidity at 87%. For a more detailed look at what to expect during December, check out Santos weather in December.
August in Santos brings a delightful blend of warmth and humidity, with temperatures comfortably ranging between 14°C and 30°C. This month stands out from others with its unique combination of increased rainfall, averaging 133 mm over 13 days, making it one of the wetter months of the year. While the humidity hovers around 78%, it adds a tropical feel that can be both refreshing and invigorating. For those seeking a detailed overview of the climate in this captivating coastal city, check out Santos Climate. Here’s to embracing the diverse weather patterns that Santos showcases each August!