Last updated: August 21, 2025
March in São Sebastião, Brazil offers a warm embrace, with temperatures peaking at a scorching 37°C (99°F) and settling around an inviting 27°C (81°F) on average. While the nights cool to a pleasant 22°C (72°F), the humidity levels hover around a tropical 84%, creating a quintessential coastal atmosphere. Rainfall is frequent, with 91 mm (3.6 in) spread across 17 days, underscoring the lush landscape that thrives in this humidity. Visitors can expect a mix of sunny days and refreshing showers, making March a dynamic time to experience the beauty of São Sebastião.
March in São Sebastião sees a delightful warmth, with temperatures ranging from a minimum of 22°C (72°F) to a sizzling maximum of 37°C (99°F). The average temperature holds steady at 27°C (81°F), reflecting the region's pleasant tropical climate. As summer starts to wind down, the peaks in March hint at a slight rise in temperatures compared to the preceding months. This trend showcases a transition from February's high of 35°C (95°F) to the slightly warmer conditions in March, making it an ideal time for beachgoers and outdoor enthusiasts to soak in the sun before autumn arrives. Overall, March offers a perfect blend of warmth and comfort, encouraging both relaxation and adventure in this beautiful coastal town.
In March, São Sebastião experiences a significant surge in precipitation, with 91 mm (3.6 in) of rain falling across 17 days. This uptick marks a notable increase from January and February, showcasing the onset of the wetter season. As the region transitions deeper into April, rainfall continues to rise slightly, peaking in May with 105 mm (4.1 in), indicating a continuous pattern of increased moisture leading into the mid-year months. The trend is clear: March acts as a bridge to the wetter, more humid conditions that characterize the rest of the season, illustrating the dynamic climate of this coastal paradise.
In March, the humidity in Sao Sebastiao, Brazil, rises to 84%, marking a noticeable increase from January and February, which recorded 81% and 82% respectively. This upward trend in humidity continues into April, reaching a peak of 86%, signaling the onset of the more humid months ahead. As the year progresses, humidity remains high, stabilizing around 86% in May before gradually decreasing through the cooler months of June to October, where it dips to 77% by October. The pattern reflects Sao Sebastiao's tropical climate, characterized by lush, moisture-laden air in the warmer half of the year, which then gives way to a drier phase as summer transitions into cooler weather.
In March, Sao Sebastiao continues to experience its characteristic extreme UV Index of 14, mirroring the conditions seen in January and February. With a consistent burn time of just 10 minutes, residents and visitors alike should remain vigilant against sun exposure during this month. This pattern of high UV levels persists throughout early spring, heralding the onset of warmer days ahead. As the year progresses, while the UV Index remains elevated, there are fluctuations, particularly with a slight dip in June and July before rising again in November. For those planning outdoor activities, it's crucial to stay informed and take necessary precautions, ensuring safety under the intense Brazilian sun. For more detailed information, check out Sao Sebastiao UV Index.
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March emerges as a true beacon of sunshine in São Sebastião, Brazil, boasting 349 hours of radiant daylight. This marks a steady increase from the previous months, following February's 324 hours. As the summer transitions into autumn, March showcases the peak of sunny delight, surpassing both January and February, while April begins to gently taper off with 328 hours. This upward trend not only highlights March's charm but also underscores the consistent abundance of sunlight that characterizes the region, making it an ideal escape for sun-seekers. With May and subsequent months continuing to offer ample sunshine, it's clear that the allure of São Sebastião lies in its radiant climate, particularly in the vibrant month of March.
In March, Sao Sebastiao, Brazil, truly begins to embrace the sun, with the chance of sunny weather soaring to 50%—the highest for the year. This increase signals a noticeable shift from the cooler, less predictable months of January and February, which hover at 27% and 37%, respectively. Following this peak, the likelihood of clear skies dips again in April to 34%, demonstrating a temporary retreat from optimal weather. It’s clear that March is a prime time for sun-seekers, marking the beginning of a more promising stretch of sunny days that will linger throughout the year, especially in the months to come.
In Sao Sebastiao, Brazil, March offers a consistent 12 hours of daylight, mirroring the previous two months of January and February. This stable daylight duration highlights a trend characteristic of the region during the early months of the year, where the sun generously illuminates the days, making it an ideal time for outdoor activities and exploration. As April approaches, daylight begins its gradual decline to 11 hours, heralding the onset of cooler months. This pattern reflects the tropical climate's rhythmic cycle, where daylight remains plentiful in the first half of the year before subtly shifting as the seasons change.
As March graces São Sebastião, the average wind speed gently settles at 3.0 m/s (7 mph), a slight dip from the previous months. This period typically marks a transitional phase as the coastal breezes begin to soften leading into the cooler autumn months. Interestingly, January and February maintain a more vibrant pace with winds of 3.2 m/s and 3.3 m/s respectively, setting a lively tone before settling. In the following months, a gradual decline to 2.4 m/s is observed in April and May, hinting at the approaching calm of winter, with the winds barely whispering through the palms. By contrast, as the year progresses into October and November, the winds pick up once more, climbing back to 3.5 m/s and 3.7 m/s, reviving the energy of the coast. This rhythm of breezes creates a dynamic backdrop, encapsulating the evolving climate that characterizes São Sebastião throughout the year.
Weather in Sao Sebastiao varies notably across the year, with each month offering distinct climate conditions. This page compares March’s weather to other months in Sao Sebastiao, focusing on differences in temperature, rainfall, humidity, and UV levels.
In comparing the weather of March and January in Sao Sebastiao, we find that both months have a similar temperature range, with January having a slightly lower maximum temperature of 36°C (96°F) compared to March's 37°C (99°F). Interestingly, the average temperatures remain consistent at 27°C (81°F) for both months. However, March sees significantly higher precipitation, with 91 mm (3.6 in) over 17 days, while January experiences only 35 mm (1.4 in) across 12 days. Humidity levels are also slightly elevated in March at 84%, compared to January's 81%. For a more detailed look at January weather, you can visit Sao Sebastiao weather in January.
In comparing the weather of March and February, we see that February generally has slightly cooler temperatures, with average highs of 35°C (95°F) compared to March's 37°C (99°F). Interestingly, while February features a minimum temperature of 23°C (73°F), March's minimum is slightly lower at 22°C (72°F). Precipitation is more frequent in March, with 91 mm (3.6 in) recorded over 17 days, compared to February's 49 mm (1.9 in) over 13 days. Humidity levels are also higher in March at 84%, compared to February’s 82%. For more detailed insights, you can explore Sao Sebastiao weather in February.
In comparing the weather of March and April, both months exhibit similar average temperatures, hovering around 27°C (81°F). However, March experiences slightly higher extremes, with maximum temperatures reaching up to 37°C (99°F), compared to April's 34°C (93°F). Precipitation levels are closely matched, with March accumulating 91 mm (3.6 in) over 17 days and April slightly increasing to 94 mm (3.7 in) over 20 days. Additionally, humidity remains high in both months, with April having a marginally higher average of 86% compared to March's 84%. For further details on what to expect in April, you can check out Sao Sebastiao weather in April.
In comparing the weather between March and May, March tends to be warmer with average temperatures peaking at 27°C (81°F) and reaching highs of 37°C (99°F). However, it also experiences significant precipitation, totaling 91 mm (3.6 in) over 17 days, coupled with high humidity levels at 84%. In contrast, May is slightly cooler with an average temperature of 25°C (78°F) and a maximum of 34°C (94°F). Interestingly, May sees a bit more rain, accumulating 105 mm (4.1 in) over 22 days, along with a marginal increase in humidity at 86%. For a more detailed look at May weather, check out Sao Sebastiao weather in May.
In March, the weather in Sao Sebastiao is typically warmer, with temperatures ranging from a minimum of 22°C (72°F) to a maximum of 37°C (99°F) and an average of 27°C (81°F). The month experiences considerable precipitation, totaling 91 mm (3.6 in) over 17 rainy days, accompanied by high humidity levels at 84%. In contrast, June presents milder conditions, featuring a lower temperature range with a minimum of 18°C (65°F) and a maximum of 30°C (87°F), resulting in an average of 24°C (76°F). While June sees a slightly higher total precipitation of 109 mm (4.3 in) across 24 days, its humidity remains relatively stable at 83%. For more details, you can check Sao Sebastiao weather in June.
In March, the weather is typically warmer with temperatures ranging from a minimum of 22°C (72°F) to a maximum of 37°C (99°F), averaging at 27°C (81°F). The month sees a higher humidity level at 84% and experiences about 91 mm (3.6 in) of precipitation over 17 days. In contrast, July offers a cooler climate with temperatures ranging from a minimum of 17°C (63°F) to a maximum of 30°C (86°F), averaging 23°C (74°F). The month is a bit wetter with 108 mm (4.2 in) of rainfall spread across 24 days, while humidity remains slightly lower at 81%. For more insights on July weather, you can visit Sao Sebastiao weather in July.
In comparing the weather between March and August, one can see notable differences. March typically experiences higher temperatures, with averages reaching 27°C (81°F) and maximums soaring to 37°C (99°F), while August offers a cooler climate, with an average temperature of 24°C (75°F) and maximums peaking at 31°C (88°F). Precipitation levels also vary, as March sees 91 mm (3.6 in) of rainfall over 17 days, compared to August's 62 mm (2.5 in) spread over 20 days. Humidity levels are relatively similar, with March at 84% and August at 80%. For more detailed weather insights, you can check Sao Sebastiao weather in August.
In March, the weather is notably warmer with average temperatures reaching around 27°C (81°F) and maximums soaring up to 37°C (99°F). The month experiences a high level of humidity at 84% and significant rainfall, totaling 91 mm (3.6 in) over 17 days. In contrast, September brings cooler conditions, with average temperatures dropping to 24°C (76°F) and maximums around 33°C (91°F). The precipitation in September is also less intense, totaling 52 mm (2.1 in) over 18 days, and humidity decreases slightly to 79%. For more details on Sao Sebastiao weather during September, visit Sao Sebastiao weather in September.
In March, temperatures in Sao Sebastiao can reach a maximum of 37°C (99°F), with an average of 27°C (81°F) and a high level of humidity at 84%. This month also sees significant rainfall, averaging 91 mm (3.6 in) over about 17 days. In contrast, the weather in October is slightly cooler, with maximum temperatures of 35°C (95°F) and an average of 26°C (79°F). Precipitation drops considerably to just 26 mm (1.0 in) over approximately 9 days, accompanied by a lower humidity level of 77%. For more details on October weather, you can check Sao Sebastiao weather in October.
In March, the weather tends to be hotter and more humid with minimum temperatures around 22°C (72°F) and maximums reaching up to 37°C (99°F). This month sees significant rainfall, averaging 91 mm (3.6 in) across about 17 days, resulting in a humidity level of 84%. In contrast, November offers a more temperate climate with minimum temperatures of 21°C (71°F) and maximums peaking at 35°C (96°F). Precipitation is considerably lower in November, averaging only 28 mm (1.1 in) over about 8 days, and humidity drops to 76%. For more detailed information on November weather, please visit Sao Sebastiao weather in November.
In March, the weather is typically hot and humid, with average temperatures ranging from a minimum of 22°C (72°F) to a maximum of 37°C (99°F). This month also experiences significant precipitation, averaging 91 mm (3.6 in) over 17 days, contributing to a high humidity level of 84%. In contrast, December offers a slightly cooler and drier climate, with temperatures nipping at a similar range, but peaking at 36°C (97°F) and seeing only 28 mm (1.1 in) of rain across 8 days, resulting in lower humidity at 76%. For those interested in more detailed weather patterns, check out Sao Sebastiao weather in December.
March in São Sebastião brings a notable transition in weather, characterized by warmer temperatures and increased humidity. Compared to other months, the average warmth of 27°C (81°F) can make it feel particularly sultry, especially with humidity levels at a high 84%. While the maximum can soar up to 37°C (99°F), this month also sees its fair share of rain, with about 91 mm (3.6 in) falling across 17 days. This combination of heat and moisture creates a vibrant atmosphere, perfect for enjoying the lush surroundings. For further insights into the region's climate, check out Sao Sebastiao Climate.