Last updated: August 21, 2025
In May, São Sebastião, Brazil, welcomes warmer days with maximum temperatures reaching 34°C (94°F) and an average temperature of 25°C (78°F), providing a tropical climate that entices visitors. However, the month is also characterized by frequent rainfall, accumulating to 105 mm (4.1 in) over 22 days, contributing to the region's lush greenery. With an average humidity level of 86%, the air is rich and vibrant, making this coastal town a unique destination for those seeking both sunshine and refreshing tropical showers.
In May, São Sebastião, Brazil enjoys a pleasant transition into the cooler months, with temperatures showcasing a comforting range. The minimum temperature dips to around 20°C (69°F), offering a refreshing start to the day, while average temperatures settle at a comfortable 25°C (78°F), inviting outdoor activities. Despite a slight decrease, the maximum temperature remains relatively warm at 34°C (94°F), echoing the lingering warmth of the preceding months. This pattern reveals a gentle shift as the region moves from the height of summer, suggesting that while the heat eases, delightful sunny days are still abundant, perfect for exploring the beautiful coastlines or enjoying local festivities.
In May, São Sebastião experiences a noticeable increase in precipitation, with an average of 105 mm (4.1 inches) of rain falling over 22 days. This marks a continuation of the wetter trend seen in previous months, as April and March also recorded substantial rainfall. The transition into May sees the city’s rain count peak, reflecting the onset of the rainy season in this coastal paradise. As nearby June continues this pattern with slightly higher precipitation levels, residents and travelers alike should prepare for the lush, vibrant landscapes that flourish under this generous rainfall. The rainy days enrich the local environment, creating a beautiful backdrop for the month ahead.
In Sao Sebastiao, Brazil, May brings a consistent humidity level of 86%, which aligns perfectly with the rising trend observed from January through April. This peak in humidity marks the onset of the warmer months, contributing to the lush and vibrant tropical environment the region is known for. As summer approaches, humidity levels begin to stabilize, gradually declining to 83% in June and further decreasing as the year progresses. This pattern reflects the area's seasonal shifts, inviting visitors to experience the beauty and warmth of Sao Sebastiao during its lush, humid spring.
May in São Sebastião, Brazil, marks the transition as the UV Index drops slightly to 12, still categorizing it within the extreme exposure level, meaning sunburn can occur within just 10 minutes. This month follows a solid streak of high UV indices from January through April, all maintaining a remarkable 14, showcasing the consistent intensity of sunlight this region experiences throughout the early year. Moving forward, the UV Index does begin to taper in June with a very high rating of 10, allowing for a slightly longer burn time of 15 minutes. As the year progresses, the UV Index will fluctuate but consistently remind residents and visitors alike about the power of the sun. For those planning activities in the sun, staying informed about the Sao Sebastiao UV Index is essential to ensure safe exposure.
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As May rolls into São Sebastião, Brazil, the sun continues to shine brightly, contributing to the region's charm. With 319 hours of sunlight, May offers a delightful segue from the vibrant days of April and stands just slightly lower than the peak of March, which boasts 349 hours. This month sees consistency in solar warmth, complemented by an upward trend in daylight hours as the year progresses, peaking in October with an impressive 355 hours. As the days lengthen, these golden hours invite both locals and tourists to revel in the beauty of the Brazilian coast, further solidifying May's status as a wonderful time to experience São Sebastião's sunny allure.
In Sao Sebastiao, Brazil, the likelihood of sunny weather in May hovers around 31%, reflecting a transitional period as the region moves from the more variable April into the sunnier stretch of late winter and early spring. This figure indicates a slight dip from the more promising 50% chance of sun in March, yet remains relatively stable compared to the preceding months. As the year progresses, we see a general upward trend in sun exposure, particularly from June onward, where the chances rise to 39% and peak at 42% in July. This pattern suggests that while May may not offer the highest likelihood of sun, it serves as a bridge to the sunnier months ahead, making it a great time to experience the unique charm of this coastal locale.
In São Sebastião, Brazil, the daylight durations exhibit a fascinating rhythm throughout the year. From January to March, residents bask in 12 hours of sunlight daily, embracing the warmth of summer. However, as the calendar transitions into April, daylight begins to wane slightly, dropping to 11 hours. This trend continues through May, June, July, and August, where the shorter days bring a more subdued ambiance. Interestingly, as spring approaches in September, daylight gradually returns to 12 hours, heralding the onset of longer days once more. As the year winds down, daylight stabilizes again at 12 hours from October to December, offering a bright finale to the year. This oscillation not only shapes the daily life of the locals but also enhances the natural beauty of this coastal paradise.
In May, the winds in São Sebastião, Brazil, whisper gently at an average speed of 2.4 m/s (5 mph), matching the calmness of April. This brief dip in wind activity reflects a trend that marks the early months of the year, where breezes remain mild. As the year progresses, a subtle resurgence begins, with speeds climbing gradually from June into the final months. By October and November, the wind picks up noticeably, reaching speeds of 3.5 m/s (8 mph) and 3.7 m/s (8 mph) shortly thereafter, suggesting a dynamic shift towards more invigorating conditions. This pattern highlights the transition from the quieter austral summer into a more refreshing period, creating an inviting atmosphere for both residents and visitors 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.
In comparing the weather of May and January, we can see notable differences in temperature and precipitation. May experiences a minimum temperature of 20°C (69°F) and an average of 25°C (78°F), with highs reaching up to 34°C (94°F). In contrast, January has slightly warmer temperatures, starting at a minimum of 22°C (71°F) and averaging 27°C (81°F), with maximums peaking at 36°C (96°F). Additionally, May sees significantly higher precipitation levels with 105 mm (4.1 in) over 22 days, compared to January's milder 35 mm (1.4 in) over 12 days. The humidity is also higher in May at 86%, compared to January’s 81%. For more on January weather, you can check this Sao Sebastiao weather in January.
In comparing the weather of May and February, we see notable differences in temperature and precipitation. In May, the temperatures range from a minimum of 20°C (69°F) to a maximum of 34°C (94°F), with an average of 25°C (78°F). This month experiences higher precipitation, totaling 105 mm (4.1 in) over 22 days, alongside an overall humidity of 86%. In contrast, February tends to be warmer, with temperatures ranging from a minimum of 23°C (73°F) to a maximum of 35°C (95°F), averaging 28°C (82°F). Additionally, February has significantly lower precipitation at 49 mm (1.9 in) over 13 days and a humidity of 82%. For further information on February's weather specifics, you can visit Sao Sebastiao weather in February.
In comparing the weather of March and May, we can see some notable differences. March tends to be slightly warmer on average, with temperatures ranging from a minimum of 22°C (72°F) to a maximum of 37°C (99°F), while May's temperatures range from a minimum of 20°C (69°F) to a maximum of 34°C (94°F). Additionally, March has a higher average temperature at 27°C (81°F) compared to May's average of 25°C (78°F).
However, May experiences more precipitation, with 105 mm (4.1 in) spread over 22 days, compared to March's 91 mm (3.6 in) over 17 days. The humidity is somewhat comparable, with May at 86% and March at 84%. This makes March feel hotter with less rain, while May is characterized by more frequent showers and slightly lower temperatures. For detailed information on March weather in Sao Sebastiao, you can visit Sao Sebastiao weather in March.
In comparing the weather between April and May, we see distinct yet similar patterns. April experiences slightly higher minimum temperatures (21°C) and average temperatures (27°C) than May, where the minimum temperature is 20°C and the average is 25°C. Both months peak at a maximum of 34°C, indicating consistently warm days. Precipitation is a little higher in May, with 105 mm (4.1 in) over 22 days, compared to April's 94 mm (3.7 in) over 20 days. Humidity remains constant at 86% for both months, contributing to the warm and muggy atmosphere typical of this region. For a detailed view of April's weather, you can visit Sao Sebastiao weather in April.
In comparing the weather of May and June, we see that May tends to be slightly warmer, with average temperatures reaching up to 25°C (78°F) and maximums soaring to 34°C (94°F). June, on the other hand, has a milder average temperature of 24°C (76°F) and a maximum of 30°C (87°F). Precipitation is fairly consistent between the two months, with May recording 105 mm (4.1 in) over 22 days, while June sees a slight increase to 109 mm (4.3 in) across 24 days. Humidity levels are also quite similar, with May slightly higher at 86% compared to June’s 83%. For more detailed insights, check out the Sao Sebastiao weather in June.
In comparing the weather between May and July, it is clear that May tends to be warmer, with average temperatures reaching up to 25°C (78°F) and maximum highs of 34°C (94°F). In contrast, July experiences a slightly cooler climate, with average temperatures around 23°C (74°F) and maximums of 30°C (86°F). Both months see significant precipitation, with May totaling 105 mm (4.1 in) over 22 days, while July has a slightly higher precipitation level of 108 mm (4.2 in) across 24 days. Interestingly, humidity levels are also a bit higher in May at 86%, compared to 81% in July. For more detailed insights, check out Sao Sebastiao weather in July.
In comparing the weather between May and August, May generally presents warmer temperatures with a minimum of 20°C (69°F) and an average of 25°C (78°F), reaching up to a maximum of 34°C (94°F). In contrast, August tends to be slightly cooler, with temperatures ranging from a minimum of 18°C (64°F) to an average of 24°C (75°F) and a maximum of 31°C (88°F). Additionally, May experiences higher precipitation, totaling 105 mm (4.1 in) over 22 days, while August sees reduced rainfall of 62 mm (2.5 in) over 20 days. The humidity levels are also slightly higher in May at 86%, compared to 80% in August. For more detailed information about the weather in August, you can visit Sao Sebastiao weather in August.
The weather in May is generally warmer and more humid than in September. With minimum temperatures around 20°C (69°F) and an average high of 34°C (94°F), May experiences significant heat, accompanied by high humidity levels of 86%. Additionally, May sees more precipitation, with an average of 105 mm (4.1 in) over 22 days. In contrast, September offers slightly cooler temperatures, with a minimum of 19°C (66°F) and an average maximum of 33°C (91°F). Rainfall is also reduced in September, totaling just 52 mm (2.1 in) over 18 days and with lower humidity levels at 79%. For more details, check out Sao Sebastiao weather in September.
May and October showcase distinct weather patterns in Sao Sebastiao. In May, temperatures range from a minimum of 20°C (69°F) to a maximum of 34°C (94°F), with an average of 25°C (78°F). Rainfall is more frequent, totaling 105 mm (4.1 in) over 22 days, leading to higher humidity levels at 86%. In contrast, October presents slightly warmer temperatures, with a low of 21°C (69°F) and a high reaching 35°C (95°F), averaging 26°C (79°F). The month is notably drier, experiencing only 26 mm (1.0 in) of precipitation over 9 days, resulting in a reduction in humidity to 77%. For a detailed look at October's weather, you can check Sao Sebastiao weather in October.
May and November present quite distinct weather patterns. In May, temperatures range from a minimum of 20°C (69°F) to a maximum of 34°C (94°F), with an average of 25°C (78°F). This month experiences significant rainfall, totaling 105 mm (4.1 in) over 22 days, contributing to high humidity levels at 86%. In contrast, November boasts slightly warmer temperatures, with a minimum of 21°C (71°F) and a maximum of 35°C (96°F), while the average temperature rises to 27°C (81°F). Rainfall is much lighter in November at 28 mm (1.1 in) over just 8 days, resulting in lower humidity levels at 76%. For a more detailed look at the weather in November, check out Sao Sebastiao weather in November.
In comparing the weather of May and December, we see significant differences in temperature and precipitation patterns. May typically experiences minimum temperatures around 20°C (69°F) and averages about 25°C (78°F), while December starts slightly warmer with minimums at 22°C (72°F) and averages reaching 27°C (81°F). The maximum temperatures in December can soar up to 36°C (97°F), compared to May's peak of 34°C (94°F). Additionally, May is characterized by higher precipitation levels, averaging 105 mm (4.1 inches) over 22 days, whereas December sees much less rain, with only 28 mm (1.1 inches) spread over 8 days. Moreover, the humidity is higher in May at 86%, while December features a lower humidity of 76%. For more detailed information on December weather, check out Sao Sebastiao weather in December.
As May unfolds in São Sebastião, it brings a noticeable shift in weather compared to the earlier months of the year. The average temperatures hover around a comfortable 25°C (78°F), yet peak days can soar up to a balmy 34°C (94°F). This month is characterized by increased rainfall, with significant precipitation spread over 22 days and an average total of 105 mm. The high humidity at 86% contributes to a lush and vibrant atmosphere, making May feel both warm and tropical. For detailed insights into the climatic trends of this enchanting locale, explore Sao Sebastiao Climate.