Last updated: August 21, 2025
May in São Sebastião, Brazil offers a delightful blend of warmth and refreshment, with temperatures ranging from a mild 14°C (57°F) at night to a welcoming 28°C (83°F) during the day, averaging around 21°C (70°F). While the month experiences 119 mm (4.7 in) of rainfall over 11 days, the 79% humidity adds a lushness to the atmosphere, making it an ideal time for nature lovers and outdoor enthusiasts. Prepare for a month where the tropical climate invites you to explore vibrant landscapes and enjoy the coastal beauty of this stunning destination.
In May, Sao Sebastiao experiences a gentle transition from the warm embrace of summer to the cooler whispers of winter. The month opens with a comfortable minimum temperature of 14°C (57°F), climbing to an average of 21°C (70°F), and peaking at a pleasant 28°C (83°F). This slight dip in temperatures from April's averages marks the beginning of the cooler months, yet it still offers plenty of opportunities for outdoor enjoyment. The striking balance between warmth and cooler breezes makes May an inviting month, as visitors can relish the region’s natural beauty without the sweltering heat that characterizes the earlier months. Overall, May's climate provides the perfect backdrop for exploring the stunning landscapes of this Brazilian gem.
May in São Sebastião, Brazil, showcases a noticeable decline in rainfall, with precipitation totaling 119 mm (4.7 in) over just 11 days. This marks a significant drop compared to the more tumultuous months of January through March, which typically see over 200 mm of rain. Following April's wetness, May transitions the region into a relatively drier period, paving the way for calmer, sunnier days ahead. As the year progresses towards June, the overall trend indicates a continuing decrease in both precipitation levels and rainy days, hinting at a shift toward a more tranquil climate as the colder months approach.
In May, São Sebastião experiences a noticeable drop in humidity, with levels at 79%, marking a transition into the drier months ahead. After starting the year with consistently high humidity around 88% in January and February, the region gradually descends to a more comfortable climate. This month stands out as the humidity begins to gently decline, leading into June's even lower figure of 77%. The trend throughout the year reflects a shift from the heavy, tropical air typical of summer months towards a milder and more pleasant atmosphere as winter approaches. As humidity continues to decrease, May serves as a bridge, offering a reprieve from the sultry conditions and inviting residents and visitors alike to enjoy the lush landscapes and vibrant beach life of this coastal paradise.
In May, Sao Sebastiao experiences a significant shift in UV exposure compared to the preceding months. With a UV Index of 8, categorized as very high, this month sees a slight decrease from the extreme conditions that lingered in the earlier months, where the index soared as high as 15. This shift means a longer burn time of 15 minutes, allowing residents and visitors a bit more time outdoors while still requiring caution. As summer approaches, this trend indicates that while June will bring a further drop to a high exposure level, May serves as a pivotal month, reminding us of the powerful sun's ability to impact our outdoor activities. For more detailed information, visit the Sao Sebastiao UV Index.
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In May, São Sebastião basks in a delightful 282 hours of sunlight, contributing to its vibrant atmosphere and outdoor allure. This month showcases a balance of bright days, nestled between the sun-drenched peaks of March's 305 hours and April's 294 hours. The trend this time of year reveals a steady abundance of sunshine, with May comfortably exceeding the drier months of June (261 hours) and August (263 hours). Visitors can revel in the beautiful coastal scenery, knowing that the sun is shining brightly as they enjoy the myriad of activities this enchanting Brazilian destination has to offer. As the year progresses, it becomes clear that May is a perfect time to soak in the warmth before the cooler months set in.
In Sao Sebastiao, Brazil, the likelihood of sunshine shows an upward trend as the year progresses, peaking during the mid-year months. In May, residents can expect a sunny forecast with a 46% chance of clear skies, reflecting a moderate increase from the 49% chance in April. This pattern suggests that while spring transitions into summer, the days not only grow longer but also brighter. Following May, the probability of sunshine rises further in July to 59%, making it one of the sunniest months of the year. Overall, as winter approaches, the chances of enjoying sunny weather in Sao Sebastiao are promising, particularly in mid to late year.
As the year unfolds in São Sebastião, Brazil, daylight gradually diminishes, peaking in the summer months of January and November with a generous 13 hours of sunlight. From January's bright start, daylight subtly declines to 12 hours in February and March, before entering a more pronounced decrease through April, when it shrinks to 11 hours. By May, the city experiences its shortest days of the year, with just 10 hours of daylight, a trend that continues through June and July. However, as winter gives way to spring, August and September see a gentle resurgence, returning to 11 hours of light. The cycle concludes with a return to a longer day duration, offering 12 hours of daylight in October and back to 13 hours as the year ends, showcasing nature’s rhythm in this coastal paradise.
In Sao Sebastiao, Brazil, the winds of May bring a gentle breeze, with an average speed of 2.5 m/s (6 mph), perfectly in line with the calmer months of January through March. As the season transitions, there's a noticeable uptick in winds from April onwards, reflecting a gradual increase that peaks in the later months of the year. Notably, June and July maintain a steady wind speed similar to May, but the trend picks up again in August as the winds reach 3.1 m/s (7 mph). This pattern suggests that while May offers a soothing atmosphere, the approaching months are likely to invigorate the landscape with more robust breezes, creating an appealing dynamism for outdoor enthusiasts and nature lovers alike.
Weather in Sao Sebastiao varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Sao Sebastiao, focusing on differences in temperature, rainfall, humidity, and UV levels.
When comparing the weather in May and January, we can see notable differences in temperature, precipitation, and humidity. In May, temperatures range from a minimum of 14°C (57°F) to a maximum of 28°C (83°F), with an average of 21°C (70°F). This month experiences around 119 mm (4.7 in) of precipitation over approximately 11 days, accompanied by a humidity level of 79%. In contrast, January benefits from warmer temperatures, with a minimum of 20°C (69°F), an average of 26°C (79°F), and a maximum of 32°C (90°F). However, January also sees significantly more rainfall, totaling 206 mm (8.1 in) over 19 days, paired with higher humidity at 88%. For more detailed information, visit Sao Sebastiao weather in January.
When comparing the weather in May and February, there are notable differences in temperature and precipitation patterns. In May, temperatures range from a minimum of 14°C (57°F) to a maximum of 28°C (83°F), with an average of 21°C (70°F), making it relatively mild. In contrast, February experiences warmer temperatures, with lows of 20°C (68°F) and highs reaching up to 32°C (90°F), resulting in a higher average of 25°C (77°F). Additionally, February sees significantly more rainfall, accumulating 277 mm (10.9 in) over 21 days, compared to May's 119 mm (4.7 in) across 11 days. The humidity in both months remains high, but February is notably more humid at 88%, while May registers at 79%. For more detailed insights into February weather, you can visit Sao Sebastiao weather in February.
In comparing the weather of March and May, March tends to be warmer, with average temperatures ranging from a minimum of 19°C (66°F) to a maximum of 32°C (89°F). In contrast, May experiences milder temperatures, averaging from 14°C (57°F) to 28°C (83°F). However, March also sees significantly higher precipitation, totaling 247 mm (9.7 in) over about 20 days, while May has a lower rainfall amount of 119 mm (4.7 in) across only 11 days. Additionally, March is characterized by higher humidity levels at 87%, compared to May’s 79%. For a detailed look at the weather patterns, you can check Sao Sebastiao weather in March.
In comparing the weather of April and May, April tends to be warmer overall, with average temperatures reaching 23°C (74°F) and a maximum of 32°C (89°F), compared to May’s average of 21°C (70°F) and a maximum of 28°C (83°F). While April experiences slightly higher precipitation at 125 mm (4.9 in) over 15 days, May sees 119 mm (4.7 in) with rain occurring on 11 days. Additionally, humidity levels are marginally higher in April at 84%, compared to May's 79%. For a more detailed look at April's conditions, you can check Sao Sebastiao weather in April.
In May, temperatures range from a minimum of 14°C (57°F) to a maximum of 28°C (83°F), with an average of 21°C (70°F). The month experiences a significant amount of precipitation, totaling 119 mm (4.7 in) over 11 rainy days, accompanied by a humidity level of 79%. In contrast, June sees slightly warmer temperatures, with a minimum of 15°C (60°F) and a maximum reaching 30°C (86°F), while maintaining an average of 21°C (69°F). Precipitation levels decrease to 100 mm (4.0 in) over 12 days, and humidity is slightly lower at 77%. For more detailed insights, check out Sao Sebastiao weather in June.
In comparing the weather between May and July, we find distinct differences in both temperature and precipitation levels. May typically sees a minimum temperature of 14°C (57°F) and an average of 21°C (70°F), with a maximum reaching 28°C (83°F). It also experiences higher precipitation, averaging 119 mm (4.7 in) over 11 days and a humidity level of 79%. In contrast, July has a slightly cooler minimum temperature of 11°C (52°F) and an average of 20°C (67°F), peaking at 29°C (85°F). The rainfall decreases significantly to 63 mm (2.5 in) over just 6 days, with reduced humidity at 72%. For more detailed weather information, you can check Sao Sebastiao weather in July.
In May, temperatures in the region range from a minimum of 14°C (57°F) to a maximum of 28°C (83°F), with an average of 21°C (70°F), making it a generally warm month. However, May also brings considerable rainfall, with 119 mm (4.7 in) of precipitation over 11 days and high humidity levels of 79%. In contrast, August experiences slightly cooler temperatures, with a minimum of 13°C (56°F) and a maximum of 31°C (88°F), and an average of 19°C (67°F). The precipitation is similar to May, with 116 mm (4.6 in) and also spread over 11 days, but the humidity drops to a more comfortable 65%. For more details on August weather, you can refer to Sao Sebastiao weather in August.
In May, the weather tends to be mild and humid, with temperatures ranging from a minimum of 14°C (57°F) to a maximum of 28°C (83°F) and an average of 21°C (70°F). This month experiences around 119 mm (4.7 in) of precipitation over 11 days, contributing to the higher humidity level of 79%.
In contrast, September offers a slightly warmer and drier climate. With minimum temperatures at 15°C (60°F) and maximums reaching up to 34°C (93°F), the average remains the same at 21°C (70°F). The precipitation is lower at 95 mm (3.7 in) for the same number of rainy days, and the humidity drops significantly to 58%. For a closer look at weather patterns during this month, you can check Sao Sebastiao weather in September.
May and October both offer warm temperatures, but October tends to be slightly warmer, with average temperatures around 22°C (71°F) compared to May's average of 21°C (70°F). However, October experiences higher maximum temperatures reaching up to 36°C (96°F), while May peaks at 28°C (83°F). In terms of precipitation, October also sees more rainfall, accumulating 161 mm (6.3 in) over 19 days, compared to May's 119 mm (4.7 in) over 11 days. Additionally, October has a lower humidity level at 50%, contrasting with May’s more humid atmosphere at 79%. For a detailed look at the specifics of the weather, check out Sao Sebastiao weather in October.
In May, the weather in São Sebastião features a mild temperature range with a minimum of 14°C (57°F), an average of 21°C (70°F), and a maximum of 28°C (83°F). While the humidity is relatively high at 79%, the month sees an average of 119 mm (4.7 in) of precipitation over about 11 days.
In contrast, November experiences slightly warmer temperatures, with a minimum of 16°C (60°F), an average of 22°C (72°F), and a maximum reaching 31°C (88°F). However, November also brings increased rainfall, with 176 mm (6.9 in) expected over approximately 18 days, and a slightly lower humidity of 75%. For those interested in more details about the weather patterns during this month, check out Sao Sebastiao weather in November.
In May, the weather features a milder temperature range with a minimum of 14°C (57°F) and an average of 21°C (70°F), while the maximum can reach up to 28°C (83°F). Rainfall is noticeable during this month, totaling 119 mm (4.7 in) spread over 11 days, coupled with a humidity level of 79%. In contrast, December experiences warmer temperatures with a minimum of 18°C (64°F) and an average of 24°C (75°F), peaking at 31°C (88°F). However, it also brings increased rainfall, with 197 mm (7.7 in) occurring over 20 days, and a slightly higher humidity of 80%. For more detailed insights on weather conditions, you can check Sao Sebastiao weather in December.
As May approaches in São Sebastião, the weather starts to exhibit a distinct shift, characterized by a comfortable average temperature that hovers around 21°C (70°F). Unlike the hotter summer months, May offers a more mild atmosphere, making it perfect for outdoor activities without the oppressive heat. However, be prepared for some rainy days, as precipitation is more frequent this month, contributing to a lush, vibrant landscape. With humidity levels remaining high at 79%, the air can feel quite moist, setting May apart as a month where the tropical climate truly shines. For a deeper dive into the nuances of the region's weather, visit Sao Sebastiao Climate.