Last updated: August 21, 2025
March in Parnaiba, Brazil, offers a vibrant tropical climate characterized by warm temperatures and high humidity. The maximum temperature can reach a sweltering 33°C (91°F), while the average settles comfortably at 27°C (81°F), dipping to a minimum of 22°C (73°F) during the cooler nights. However, the month is marked by significant rainfall, with total precipitation amounting to 308 mm (12.1 in) spread over 30 days, resulting in an invigorating atmosphere. Expect a muggy environment with humidity levels averaging 89%, making March a quintessentially lush month in this coastal paradise.
In March, temperatures in Parnaiba, Brazil begin to exhibit the warmth of early autumn, with a minimum temperature of 22°C (73°F) and a comfortable average of 27°C (81°F). As the month progresses, daytime highs reach up to 33°C (91°F), slightly lower than the peaks seen in the preceding months, indicating a transition towards more moderate conditions. This time of year is characterized by consistent warmth, making it ideal for exploring the city’s rich culture and stunning landscapes, all while enjoying pleasant evenings that remain comfortably warm. Overall, March offers a delightful blend of warmth without the intense highs of summer, positioning it as an inviting month for visitors looking to experience the vibrant beauty of Parnaiba.
March in Parnaíba, Brazil, is characterized by the peak of the rainy season, where precipitation reaches a significant 308 mm (12.1 in) over the course of the month. This intense rainfall occurs on every day, making March the wettest month of the year, with all 30 days experiencing precipitation. This dramatic increase follows February's already substantial total of 279 mm, demonstrating a clear trend of escalating rainfall as summer progresses. As the rains begin to recede in April, Parnaíba sees only a slight decrease to 293 mm (11.5 in), indicating the persistence of a wet climate before the drier months begin to take hold later in the year. With an average of nearly one rainy day for every day of March, the lush landscapes and vibrant ecosystems are nourished, highlighting the vital role of this month in the region's annual hydrological cycle.
In March, Parnaiba, Brazil experiences a notable increase in humidity, reaching 89%. This uptick is part of a trend that sees humidity gradually rising from January's peak of 87% to an even higher 90% in April. The early months of the year maintain consistently high humidity levels, with February close behind at 88%. As the region transitions into the drier months mid-year, humidity begins to dip, hitting a low of 54% in August. This seasonal fluctuation creates a stark contrast, where the lush, moisture-heavy air of the early year gives way to the crisp dryness of winter, defining Parnaiba's unique climate throughout the year.
As March rolls into Parnaíba, Brazil, the UV Index soars to an intense 16, marking one of the year's peak levels of sun intensity. This extreme exposure category means that even a brief 10 minutes are enough to risk a burn, a trend that has remained consistent since January. Throughout the initial months of the year, the UV Index has held at a relentless 14, emphasizing the necessity for sun protection. Interestingly, as we transition into April, the UV Index slightly drops to 15, but the warnings remain clear: skin protection must be a top priority during these sun-drenched days. To learn more about managing UV exposure, check out the detailed information at Parnaiba UV Index.
UV Risk Categories
As March unfolds in Parnaíba, Brazil, residents and visitors alike bask in 307 hours of sunshine, marking a delightful peak in the early year’s brightness. This trend of increasing daylight is indicative of the region's transition into its sun-soaked season, as February’s 268 hours gracefully gives way to March's vibrant display. With an upward trajectory continuing into the coming months, including an impressive 315 hours in May and rising further through the summer, March stands as a vibrant precursor to the region's sunniest days. The gradual enhancement of sunshine not only invigorates the landscape but also invites everyone to relish the warmth and beauty that Parnaíba has to offer.
In Parnaíba, Brazil, the likelihood of sunny weather shows a notable upward trend as the year progresses. While March experiences a moderate 18% chance of sun, it significantly lags behind the more favorable months that follow, such as April, with a 35% chance, and the summer peak in July at 63%. This gradual increase highlights a transition toward brighter skies as the seasons change, offering a much more inviting atmosphere as spring rolls in. Although March may not boast the sunniest days, it sets the stage for an upcoming burst of sunshine and warmth in the months ahead.
In Parnaiba, Brazil, March continues the trend of consistent daylight duration seen throughout the year, with an impressive 12 hours of daylight. This balanced daylight pattern persists from January through April, creating a harmonious rhythm of light that supports both vibrant daytime activities and serene evenings. As the year progresses into May, daylight begins to shorten slightly, settling at 11 hours until July. However, this dip in daylight does not detract from the region's charm; instead, it enhances the cozy ambiance of the cooler months. By August, daylight returns to the equilibrium of 12 hours, maintaining a steady cadence until year-end. This predictable daylight cycle not only defines Parnaiba’s unique climate but also invites residents and visitors to fully embrace the beauty of each season.
In March, Parnaiba experiences a gentle shift in its winds, with an average speed of 3.3 m/s (7 mph), marking the lowest point in the year’s wind pattern. Following the breezy months of January and February, where winds were brisk at 4.6 m/s and 4.1 m/s respectively, March presents a calmer atmosphere as summer approaches. This lull is fleeting, however; as the year progresses into April, wind speeds slightly rebound to 3.4 m/s, paving the way for a gradual increase during the late winter and early spring months. Notably, the winds pick up momentum in the latter part of the year, with September and October boasting a robust 5.6 m/s (13 mph), inviting a refreshing contrast to the slower March days. This transitional phase showcases Parnaiba’s dynamic climate, where the breezes wax and wane, creating an ever-changing tapestry of weather throughout the seasons.
Weather in Parnaiba varies notably across the year, with each month offering distinct climate conditions. This page compares March’s weather to other months in Parnaiba, focusing on differences in temperature, rainfall, humidity, and UV levels.
In comparing the weather of March and January, March tends to be slightly cooler but much wetter. March has a minimum temperature of 22°C (73°F), an average of 27°C (81°F), and a maximum of 33°C (91°F), with humidity at 89%. In contrast, January shows slightly higher temperatures, with a minimum of 23°C (74°F), an average of 28°C (82°F), and a maximum of 35°C (96°F), coupled with lower overall precipitation of 121 mm (4.8 in) over 20 days and humidity at 87%. The significant difference in rainfall is striking, as March sees a considerable 308 mm (12.1 in) spread across 30 days. For more detailed weather insights, you can check Parnaiba weather in January.
In comparing the weather between March and February, both months feature similar minimum temperatures, averaging around 22°C (73°F). However, March experiences slightly cooler maximum temperatures, peaking at 33°C (91°F) compared to February’s higher maximum of 34°C (94°F). Notably, March also has increased precipitation, totaling 308 mm (12.1 in) over 30 days, whereas February sees less rain at 279 mm (11.0 in) over 25 days. Humidity levels remain comparable, with March at 89% and February at 88%. For a more detailed look at February's weather patterns, visit Parnaiba weather in February.
In March, the weather is characterized by a minimum temperature of 22°C (73°F) and a maximum of 33°C (91°F), with an average temperature of 27°C (81°F). The month is quite rainy, experiencing significant precipitation of 308 mm (12.1 in) over 30 days, resulting in high humidity levels at 89%. In contrast, April sees slightly warmer temperatures, with a minimum of 23°C (74°F) and a maximum of 34°C (93°F), maintaining the same average of 27°C (81°F). Although precipitation decreases to 293 mm (11.5 in) over 25 days, humidity remains high at 90%. For more detailed information, you can check Parnaiba weather in April.
March and May in Parnaiba exhibit similar temperature profiles, with March featuring a minimum temperature of 22°C (73°F), an average of 27°C (81°F), and a maximum of 33°C (91°F), slightly mirroring May's temperatures of 23°C (74°F) for the minimum, an average of 27°C (82°F), and a maximum of 33°C (92°F). However, March is notably wetter, receiving 308 mm (12.1 in) of precipitation over 30 days, compared to May's 184 mm (7.2 in) over 18 days. Despite the minor differences in temperature, the humidity in both months remains relatively high, with March at 89% and May at 87%. For a more detailed look at May's weather specifics, check out Parnaiba weather in May.
In March, the weather is characterized by a warmer climate with temperatures ranging from a minimum of 22°C (73°F) to a maximum of 33°C (91°F) and an average of 27°C (81°F). However, this month sees significant rainfall, with precipitation levels reaching 308 mm (12.1 in) over 30 days, resulting in high humidity levels of 89%. In contrast, June offers slightly cooler temperatures, with a minimum of 23°C (73°F) and a maximum of 35°C (95°F), though the average stays close at 28°C (82°F). The rainfall drastically decreases to only 39 mm (1.5 in) across just 6 days, leading to lower humidity at 77%. For more specific information, check out Parnaiba weather in June.
In March, the weather is characterized by warmer temperatures and significantly higher humidity, with daily averages of 27°C (81°F) and maximums reaching 33°C (91°F). This month also sees considerable rainfall, averaging 308 mm (12.1 in) spread over 30 days, resulting in a very humid atmosphere at 89%. In contrast, July experiences slightly cooler temperatures, averaging 28°C (83°F) and peaking at 35°C (95°F), but the humidity drops to a more comfortable 62%. Notably, July has much less rainfall, with only 31 mm (1.2 in) over just 3 days, marking a dry period compared to March. For more details, you can check Parnaiba weather in July.
March and August present contrasting weather conditions. In March, temperatures range from a minimum of 22°C (73°F) to a maximum of 33°C (91°F), with an average of 27°C (81°F). This month also experiences significant rainfall, totaling 308 mm (12.1 in) over 30 days, accompanied by high humidity levels at 89%. In contrast, August features slightly higher average temperatures, peaking at 36°C (98°F), but with minimal precipitation of just 3 mm (0.1 in) and no rainy days, leading to a much drier atmosphere and lower humidity at 54%. For more insights on August conditions, you can explore the Parnaiba weather in August.
March and September exhibit distinct weather patterns. In March, temperatures range from a minimum of 22°C (73°F) to a maximum of 33°C (91°F), with an average of 27°C (81°F). This month is characterized by high humidity at 89% and significant rainfall of 308 mm (12.1 in) spread over 30 days. In contrast, September offers warmer temperatures, with a minimum of 23°C (74°F) and a maximum reaching 36°C (97°F), averaging 29°C (84°F). September is considerably drier, featuring only 2 mm (0.1 in) of rainfall across 0 days and a lower humidity level of 55%. For more details, check Parnaiba weather in September.
In March, the weather is typically warm and humid, with temperatures ranging from a minimum of 22°C (73°F) to a maximum of 33°C (91°F) and an average of 27°C (81°F). However, it also experiences significant rainfall, totaling 308 mm (12.1 in) over 30 days and high humidity levels around 89%. In contrast, October is hotter, featuring a minimum temperature of 24°C (75°F) and soaring to a maximum of 37°C (99°F), with an average of 29°C (84°F). The month is notably dry, with only 7 mm (0.3 in) of precipitation over just 1 day and a reduced humidity level of 58%. For more insights on October weather, you can check Parnaiba weather in October.
In March, the weather tends to be humid and rainy, with average temperatures reaching 27°C (81°F), and high levels of precipitation totaling 308 mm (12.1 in) over 30 days. The high humidity of 89% often makes it feel warmer than it is. In contrast, November experiences drier conditions with significantly less rainfall at just 20 mm (0.8 in) over only 4 days. The average temperature also rises to 29°C (84°F), with maximums soaring up to 37°C (98°F), and the humidity drops to a more comfortable 62%. For more details, check out Parnaiba weather in November.
March weather tends to be quite humid and rainy, with average temperatures around 27°C (81°F) and significant precipitation of 308 mm (12.1 in) spread over 30 days. In contrast, December offers slightly warmer temperatures, averaging 29°C (84°F), but with much less rainfall, totaling only 57 mm (2.2 in) throughout 10 days. The humidity in December is also notably lower at 74%, making it feel more comfortable compared to the high humidity of 89% experienced in March. For more details, you can check Parnaiba weather in December.
March in Parnaíba is characterized by warm temperatures and high humidity, making it stand out from other months. While the maximum temperature can reach up to 33°C, the average remains comfortably warm at around 27°C, with nighttime lows averaging 22°C. However, it’s also the peak of the rainy season, with frequent precipitation across all 30 days, resulting in a total of 308 mm. This blend of conditions creates a unique atmosphere, different from the drier, hotter weeks seen in other months. For a comprehensive overview of what to expect throughout the year, check out Parnaiba Climate.