Last updated: August 21, 2025
In Barreirinhas, Brazil, March showcases a tropical climate characterized by warm temperatures and high humidity. With maximum highs reaching 32°C (91°F) and an average of 27°C (80°F), visitors can expect balmy weather perfect for exploring the stunning natural beauty of the region. However, the month also brings significant rainfall, accumulating to 349 mm (13.7 in) over 30 days, making it one of the wettest months of the year. Humidity levels soar at around 90%, creating a lush environment that enhances the allure of Barreirinhas’ breathtaking landscapes. Whether you're trekking through the Lençóis Maranhenses National Park or enjoying local culture, the vibrant atmosphere of March is undeniably captivating.
In March, Barreirinhas, Brazil, continues to bask in warm tropical temperatures, maintaining a consistent climate that is characteristic of the region. With a minimum temperature of around 23°C (73°F) and an average of 27°C (80°F), visitors can expect comfortable warmth perfect for exploring the stunning Lençóis Maranhenses National Park. The maximum temperature hovers at 32°C (91°F), mirroring February's readings, showcasing a steady pattern throughout the early months of the year. This pattern of balmy conditions is seen again in the subsequent months, as Barreirinhas splendidly transitions into April and May. Overall, March serves as an ideal time to indulge in the vibrant beauty of this Brazilian gem, where the climate invites adventure and relaxation alike.
March in Barreirinhas, Brazil, marks the peak of the rainy season, showcasing a striking 349 mm (13.7 in) of precipitation over the month. With rain showers occurring on every day of March, this uptick reflects a significant increase compared to the preceding months, notably surpassing February's already considerable 302 mm (11.9 in). This trend not only emphasizes March's role as a pivotal month for rainfall but also highlights the region's transition from a wetter to a drier climate as the year progresses. Following March, precipitation begins to taper off in April and May, setting the stage for the stark contrast of the drier months that follow. As Barreirinhas experiences these fluctuations, the array of rainfall serves as a reminder of the dynamic tropical climate unique to this region.
March in Barreirinhas, Brazil, sees humidity levels stabilize at a high 90%, aligning closely with the preceding months of January and February. This consistent moisture in the air suggests a lingering wetness typical of the summer rainy season in the region. Following March, humidity gradually increases to 92% in April before beginning a trend of decline that reaches its lowest point in August at 55%. The early months create a humid environment perfect for lush landscapes, while the dry heat of later months emphasizes the shifting seasons. Overall, March serves as a bridge between the humid peak of early summer and the drier autumn months, encapsulating the transitional climate of Barreirinhas.
In March, Barreirinhas, Brazil, experiences an increased UV Index of 16, marking it as one of the peak months for sun exposure. This rating falls into the extreme exposure category, with a consistent burn time of just 10 minutes—the same as in the preceding and following months. Notably, this slight uptick from January to March is indicative of the ongoing intensity of the sun as summer transitions toward autumn in the Southern Hemisphere. The trend throughout the year shows that even in the cooler months, UV levels remain high, consistently demanding caution from sun-seekers. To ensure safe enjoyment under the sun, it's crucial to stay informed about the daily UV Index levels. For more details, visit the Barreirinhas UV Index.
UV Risk Categories
March in Barreirinhas, Brazil, is truly a sun-lover's paradise, boasting a remarkable 284 hours of sunshine. This amount marks a delightful increase from the previous months, with February offering 253 hours and January slightly lower at 246 hours. As the seasons transition, the sun’s embrace only grows warmer and more generous, leading into the sunnier months ahead. The peak is yet to come, with May and June anticipating an impressive rise, reaching 305 and 323 hours respectively. This trend illustrates a beautiful crescendo of sunshine, making Barreirinhas an inviting destination for those seeking to bask in the golden rays as the year unfolds.
In Barreirinhas, Brazil, the likelihood of enjoying sunny weather in March dips to 14%, marking a relative low compared to the sunnier months that precede and follow it. As the calendar moves from January's 18% chance and February's 23%, March presents a noticeable decline. However, the trend shifts dramatically post-March, with April seeing a significant increase to 28%, followed by a robust rise throughout the ensuing months, peaking at 66% in August. This pattern highlights that while March may offer limited sunshine, the approaching months promise a vibrant return to clearer skies, making the later part of the year particularly appealing for sun-seekers.
In Barreirinhas, Brazil, the enchanting rhythm of daylight remains remarkably consistent throughout the year. March, nestled in the transition from the summer months, sees a steady 12 hours of daylight, closely mirroring January and February. This balance enhances the vibrant atmosphere, perfect for indulging in outdoor adventures and immersing oneself in the natural beauty of the region. As we move into the subsequent months, daylight gradually decreases to 11 hours from May through July, before returning to a generous 12 hours from August to November. This consistent pattern not only creates an idyllic climate for travelers year-round but also highlights Barreirinhas as a fabulous destination where sunshine is almost always guaranteed.
As March breezes in Barreirinhas, Brazil, it greets visitors with a gentle average wind speed of 3.0 m/s (7 mph), marking one of the quieter months in terms of wind activity. This transitional period hints at the approaching seasonal shift, where speeds gradually increase throughout the year. Following March, the winds pick up slightly in April, and gusts gain momentum as they reach 5.0 m/s (11 mph) by September. The month of March captures a calm before the exhilarating coastal gales arrive, inviting explorers to enjoy the serene beauty of the region before the winds start to dance more freely in the months ahead.
Weather in Barreirinhas varies notably across the year, with each month offering distinct climate conditions. This page compares March’s weather to other months in Barreirinhas, focusing on differences in temperature, rainfall, humidity, and UV levels.
In comparing the weather between March and January, both months share similar temperature ranges, with January featuring a minimum of 23°C (74°F) and a maximum of 33°C (91°F), while March maintains a minimum of 23°C (73°F) and a maximum of 32°C (91°F). However, March experiences significantly higher precipitation, totaling 349 mm (13.7 in) over 30 days, compared to January’s 135 mm (5.3 in) across 22 days. Humidity levels are also quite comparable, with March at 90% and January at 89%. For more detailed information about January's weather patterns, you can visit Barreirinhas weather in January.
March and February exhibit remarkably similar temperature patterns, with both months featuring a minimum temperature of 23°C (73°F), an average of around 27°C (81°F), and a maximum of 32°C (91°F). However, March experiences slightly more precipitation, accumulating 349 mm (13.7 in) over 30 days compared to February's 302 mm (11.9 in) over 27 days. Despite this increased rainfall in March, the humidity remains constant at 90% in both months, making for consistently humid conditions. For more details, you can visit Barreirinhas weather in February.
March and April share similar temperature patterns, with both months having a minimum temperature of around 22-23°C (73°F), an average of approximately 27°C (80-81°F), and maximums reaching up to 32°C (91°F). However, March experiences slightly more precipitation, totaling 349 mm (13.7 in) over 30 days, compared to April's 328 mm (12.9 in) over 28 days. Additionally, April is characterized by a marginally higher humidity level of 92%, compared to March's 90%. For more details on the weather in April, you can visit Barreirinhas weather in April.
In March, the weather typically features slightly higher humidity at 90%, with temperatures ranging from a minimum of 23°C (73°F) to a maximum of 32°C (91°F) and an average of 27°C (80°F). This month also sees significant rainfall, accumulating to 349 mm (13.7 in) over 30 days. In contrast, May experiences similar temperatures, with a minimum of 22°C (73°F), averaging 27°C (81°F), and peaking at 32°C (91°F), but with reduced precipitation of 236 mm (9.3 in) over only 22 days and slightly lower humidity at 89%. For more details on the weather specifics in May, you can check Barreirinhas weather in May.
In comparing the weather between March and June, both months share similar temperature ranges, with minimum temperatures around 23°C (73°F) and maximums reaching up to 32°C (90-91°F). However, March is characterized by significantly higher precipitation, with 349 mm (13.7 in) falling over 30 days, resulting in a humid environment with 90% humidity. In contrast, June experiences much lighter rainfall of only 70 mm (2.8 in) over 12 days, accompanied by lower humidity levels at 79%. This shift from the wet conditions of March to the drier climate in June presents a notable change in the overall weather experience. For more detailed information, you can refer to Barreirinhas weather in June.
March and July present distinct weather characteristics, with March being notably wetter and more humid. In March, temperatures range from a minimum of 23°C (73°F) to a maximum of 32°C (91°F), accompanied by high humidity levels of 90% and significant precipitation of 349 mm (13.7 inches) over 30 days. In contrast, July offers slightly warmer temperatures, with a minimum of 22°C (72°F) and a maximum of 33°C (92°F), but it experiences far less rainfall, totaling only 53 mm (2.1 inches) over 8 days and a lower humidity of 64%. For more details on July weather, you can check Barreirinhas weather in July.
March and August present contrasting weather patterns. In March, temperatures range from a low of 23°C (73°F) to a high of 32°C (91°F), with an average of 27°C (80°F). This month is characterized by significant rainfall, with a total precipitation of 349 mm (13.7 in) spread over 30 days and high humidity levels at 90%. In contrast, August enjoys milder temperatures, with a minimum of 21°C (71°F) and a maximum of 35°C (95°F), averaging 28°C (82°F). Precipitation is minimal during this month, totaling just 11 mm (0.4 in) over only 2 days, and humidity drops to a more comfortable 55%. For more specific details, you can check Barreirinhas weather in August.
In comparing the weather between March and September, we notice significant differences. March is characterized by warm temperatures ranging from a minimum of 23°C (73°F) to a maximum of 32°C (91°F), accompanied by high humidity levels of 90% and substantial rainfall, totaling 349 mm (13.7 in) over 30 days. In contrast, September offers a warmer average temperature of 28°C (83°F), with maximums reaching up to 35°C (95°F), but it features drastically reduced precipitation at only 6 mm (0.2 in) across no rainy days and far less humidity at 51%. This shift from a wet and humid March to a much drier and hotter September highlights the transition to the dry season. For a more detailed look at what to expect, check out Barreirinhas weather in September.
March and October offer contrasting weather conditions in Barreirinhas. March sees temperatures ranging from a minimum of 23°C (73°F) to a maximum of 32°C (91°F), with an average of 27°C (80°F). It is characterized by high humidity at 90% and significant rainfall, accumulating 349 mm (13.7 in) over 30 days. In contrast, October has slightly warmer temperatures, with a minimum of 24°C (76°F) and a maximum of 35°C (96°F), averaging 28°C (83°F). However, it boasts much drier conditions, receiving only 11 mm (0.4 in) of precipitation over just 3 days and lower humidity at 53%. For more detailed information about the weather in October, you can visit Barreirinhas weather in October.
March and November showcase distinct weather patterns. In March, temperatures range from a minimum of 23°C (73°F) to a maximum of 32°C (91°F), with an average of 27°C (80°F). This month is characterized by high humidity at 90% and significant rainfall, totaling 349 mm (13.7 in) across 30 days. Conversely, November features slightly warmer temperatures, with a minimum of 24°C (75°F) and a maximum of 34°C (93°F), while maintaining an average of 28°C (83°F). Rainfall drops dramatically to just 35 mm (1.4 in) over 8 days, accompanied by a much lower humidity level of 60%. For more detailed information about November weather, you can visit Barreirinhas weather in November.
In March, the weather tends to be hot and humid, with average temperatures ranging from a minimum of 23°C (73°F) to a maximum of 32°C (91°F). This month also sees considerable precipitation, with 349 mm (13.7 in) of rain spread over 30 days, making it a rather wet period with humidity levels reaching 90%.
In contrast, December offers slightly warmer temperatures with an average ranging from 23°C (74°F) to 34°C (94°F) but is much drier, seeing only 59 mm (2.3 in) of rain across 13 days. The humidity is lower at 78%, creating a more comfortable atmosphere. For more information, you can check Barreirinhas weather in December.
In March, Barreirinhas experiences warmer temperatures compared to the cooler months, with an average hitting around 27°C (80°F). This month stands out due to its high humidity levels, typically reaching 90%, which can make the days feel warmer and more oppressively muggy. Unlike the drier months, March sees significant rainfall, averaging 349 mm over 30 days, leading to lush landscapes but also potential travel disruptions. As a transition period between the dry and wet seasons, March offers a unique blend of tropical warmth and frequent showers, inviting visitors to experience Barreirinhas' lush beauty in a truly dynamic climate. For a deeper dive into the weather patterns year-round, visit Barreirinhas Climate.