Last updated: August 21, 2025
March in Guaratuba, Brazil, offers a warm tropical climate characterized by a maximum temperature of 32°C (90°F) and an average of 25°C (77°F), making it an inviting time for visitors. However, prepare for frequent rain, as the region experiences 203 mm (8.0 in) of precipitation over 24 days, contributing to an overall humidity level of a sweaty 85%. Whether you're exploring the lush landscapes or enjoying the vibrant local culture, be ready for warm weather with occasional showers that highlight the region's lush beauty.
In March, Guaratuba, Brazil basks in warm temperatures that herald the transition from summer to autumn. With a minimum of 19°C (66°F) and a comfortable average of 25°C (77°F), the weather feels inviting. The highs reach a tropical 32°C (90°F), tapering from the peak summer register seen in January and February. This month illustrates a gradual cooling trend, as temperatures gracefully decline from the month's previous extremes, setting a pleasant tone for outdoor activities. March is an excellent time to enjoy Guaratuba’s stunning coastline while reveling in the lingering warmth before the cooler months descend.
In March, Guaratuba experiences a notable rainfall of 203 mm (8.0 in), marking it as a month characterized by relatively heavy precipitation. This month stands out with 24 rainy days, reflecting a consistent, if not abundant, drizzle that is typical for this time of year. While March sees a decrease in total rainfall compared to the preceding months of January and February, it remains significantly wetter than the upcoming months of April and May, which tend to have much lower precipitation levels. This pattern highlights the transitional nature of March as it bridges the wetter summer months to the drier fall season, painting a picture of Guaratuba's climate that fluctuates between lush and parched.
March in Guaratuba, Brazil, welcomes a humidity level of 85%, maintaining the region's characteristic tropical feel. This figure reflects a slight decline from January's peak of 86% but aligns perfectly with April's humidity, showcasing a month-to-month stability typical of the early year. As the seasons transition, humidity levels begin to dip, reaching their lowest in the cooler months of July and August. Overall, March contributes to the consistent high humidity trend observed throughout the year, with notable peaks during the summer months. Residents and visitors alike can expect a warm and moist atmosphere, ideal for embracing the lush landscapes that Guaratuba offers.
In March, the UV Index in Guaratuba, Brazil, reaches a notable 12, maintaining an extreme exposure category akin to the first two months of the year, which recorded 15 and 14 respectively. Despite a slight decrease, the 10-minute burn time remains crucial for anyone enjoying the region's beautiful beaches. As summer transitions towards autumn, the UV levels begin to show a downward trend, with April's index dropping to 10. However, caution is still advised during this month, as well as throughout the year, given that the UV Index frequently peaks in extreme ranges. For more detailed information and seasonal trends, visit Guaratuba UV Index.
UV Risk Categories
March brings a delightful increase in sunshine to Guaratuba, Brazil, with an impressive 289 hours of sunlight illuminating the days. This month stands as a bright peak that follows January's 243 hours and February's 278 hours, showcasing a consistent upward trend as summer transitions into autumn. As the year progresses, the hours of sunlight gently decline, dropping to 281 hours in April. Notably, March serves as a pivotal moment before the gradual tapering of daylight hours in the cooler months ahead, allowing residents and visitors alike to revel in the warmth and beauty of the early autumn sun.
In March, Guaratuba, Brazil, experiences a 30% chance of sunny weather, making it a transitional month as summer recedes and autumn approaches. This likelihood is slightly lower than February’s robust 41%, yet it still offers a respectable amount of sunshine compared to April’s 38%. The sunshine opportunities resonate with the late summer vibe that lingers in March, while trends indicate a shift into more variable conditions as the year progresses. Interestingly, the seasons reveal fluctuations: after the peak of 57% in July, the chances become more inconsistent, demonstrating the unique climate characteristics of this coastal town. Whether planning a beach day or outdoor activities, the weather in March tends to remain inviting, blending warmth with a hint of unpredictability.
In Guaratuba, Brazil, March ushers in 12 hours of daylight, maintaining the same duration as the previous month. As summer transitions to autumn, daylight starts to diminish gradually, a trend that becomes more pronounced in April with a drop to 11 hours. This pattern of shorter days continues through the colder months, leveling off at 10 hours from May to July. However, as spring approaches, daylight begins to elongate again in August, reaching 11 hours, before settling back to 12 hours in October. Interestingly, this cyclical change highlights the region's consistent rhythm of daylight, transitioning smoothly from the long, sunlit days of summer back to the brief, cozy hours of winter.
In March, Guaratuba experiences a steady wind embrace, maintaining an average wind speed of 2.3 m/s (5 mph), which mirrors the gentler breezes of February. This calm air supports the vibrant coastal atmosphere, perfectly suited for leisurely beach days and serene strolls along the shoreline. As the region transitions into April, wind speeds pick up slightly to 3.0 m/s (7 mph), hinting at the gradual shift toward more dynamic conditions in the months ahead. Overall, March holds a picturesque blend of tranquility and subtle breeziness, inviting both relaxation and adventure amidst stunning coastal scenery.
Weather in Guaratuba varies notably across the year, with each month offering distinct climate conditions. This page compares March’s weather to other months in Guaratuba, focusing on differences in temperature, rainfall, humidity, and UV levels.
In comparing the weather of March and January, both months exhibit warm temperatures, with January experiencing slightly higher averages. January has a minimum temperature of 19°C (67°F) and an average of 26°C (79°F), reaching a maximum of 36°C (97°F), while March's temperatures range from 19°C (66°F) to an average of 25°C (77°F) and a maximum of 32°C (90°F). Precipitation is more pronounced in January, totaling 237 mm (9.3 in) over 21 days, compared to March, which sees 203 mm (8.0 in) with precipitation on 24 days. Humidity remains consistent between the two months, with January at 86% and March at 85%. For a more detailed look at January weather, you can refer to Guaratuba weather in January.
In comparing the weather between March and February, both months exhibit warm temperatures, with March having a slightly warmer minimum temperature of 19°C (66°F) compared to February’s 18°C (65°F). March's average temperature is consistent at 25°C (77°F), while February peaks slightly higher at a maximum of 34°C (94°F). In terms of precipitation, March experiences a total of 203 mm (8.0 in) over 24 days, which is slightly less than February’s higher precipitation of 213 mm (8.4 in) over 20 days. Additionally, humidity remains relatively high in both months, with March at 85% and February at 83%. For more detailed insights on February weather patterns in the region, check out Guaratuba weather in February.
In comparing the weather patterns of March and April, March tends to be warmer, with temperatures ranging from a minimum of 19°C (66°F) to an average of 25°C (77°F) and a maximum of 32°C (90°F). April, on the other hand, shows a slight decrease in temperature, with a minimum of 14°C (58°F) and an average of 23°C (73°F), while still reaching a maximum of 32°C (91°F). Additionally, March experiences significantly higher rainfall, totaling 203 mm (8.0 in) over 24 days, compared to April's 115 mm (4.5 in) over 17 days. Both months maintain a consistent humidity level of 85%. For more detailed information, you can visit Guaratuba weather in April.
In March, the weather is significantly warmer, with average temperatures ranging from a minimum of 19°C (66°F) to a maximum of 32°C (90°F), while May sees cooler conditions with temperatures fluctuating between 11°C (52°F) and 29°C (84°F). Additionally, March experiences more rainfall, totaling 203 mm (8.0 in) over 24 days, compared to May's 127 mm (5.0 in) over 15 days. Despite the slightly higher humidity in May at 86%, both months maintain a humid atmosphere, typical for the region. For a closer look at May weather specifics, you can visit Guaratuba weather in May.
March and June exhibit distinctly different weather patterns. In March, temperatures range from a minimum of 19°C (66°F) to a maximum of 32°C (90°F), with an average of 25°C (77°F), making it generally warmer than in June. The month also sees significant rainfall, with a total of 203 mm (8.0 in) over 24 days, and humidity remains high at 85%. In contrast, June experiences cooler temperatures, with a minimum of 9°C (48°F), an average of 19°C (67°F), and a maximum of 28°C (83°F). Precipitation is milder, totaling 113 mm (4.5 in) over just 12 days, while the humidity remains consistent at 85%. For more on June's climate specifics, visit Guaratuba weather in June.
In March, the weather is significantly warmer and more humid compared to July, with average temperatures reaching 25°C (77°F) and highs peaking at 32°C (90°F). During this month, residents experience substantial rainfall, totaling 203 mm (8.0 in) over 24 days, contributing to a humidity level of 85%. In contrast, July brings a cooler climate, with average temperatures around 18°C (64°F) and a max of 29°C (84°F). Rainfall is much lighter, totaling only 32 mm (1.2 in) across 7 days, and humidity drops to 80%. For more details on July weather, check the following link: Guaratuba weather in July.
March and August present distinctly different weather patterns. In March, temperatures range from a minimum of 19°C (66°F) to a sweltering maximum of 32°C (90°F), with an average of 25°C (77°F). This month sees significant precipitation, totaling 203 mm (8.0 in) over about 24 days, accompanied by high humidity at 85%, creating a tropical atmosphere. In contrast, August features a much cooler climate, with temperatures ranging from a chilly 8°C (46°F) to a pleasant maximum of 28°C (82°F) and an average of 18°C (65°F). Precipitation drops to 72 mm (2.8 in) occurring over just 11 days, and humidity decreases to 79%, resulting in a drier and more comfortable environment. For more detailed information about August weather, visit Guaratuba weather in August.
In March, temperatures are notably warmer, with minimums around 19°C (66°F) and averages climbing to 25°C (77°F), peaking at 32°C (90°F). The month also experiences high humidity at 85% and significant precipitation, totaling 203 mm (8.0 in) over 24 days. In contrast, September offers cooler conditions, with a minimum temperature of 12°C (54°F) and an average of 20°C (68°F), reaching a maximum of 28°C (82°F). The humidity is slightly lower at 82%, and the rainfall is considerably reduced to 91 mm (3.6 in) across 14 days. For more details, check out Guaratuba weather in September.
March typically experiences warmer temperatures than October, with average highs reaching up to 32°C (90°F) compared to October’s peak of 31°C (89°F). However, March has significantly more precipitation, averaging 203 mm (8.0 in) over 24 days, while October sees less rain, with 166 mm (6.6 in) over 19 days. Despite the higher humidity in March at 85%, October maintains a comfortable humidity level of 82%. For a detailed glimpse into the October climate, visit Guaratuba weather in October.
March and November exhibit similar temperature ranges, with March showing slightly warmer averages and maximums. In March, temperatures range from a minimum of 19°C (66°F) to a maximum of 32°C (90°F), while November experiences a bit cooler range, with temperatures ranging from 15°C (60°F) to 32°C (89°F). Precipitation in March is higher, with 203 mm (8.0 in) over 24 days compared to November's 153 mm (6.0 in) across 20 days. Both months maintain high humidity levels, with March at 85% and November slightly higher at 86%. For more detailed information, check out Guaratuba weather in November.
March and December present similar warm temperatures, with December slightly cooler on average. In March, temperatures range from a minimum of 19°C (66°F) to a maximum of 32°C (90°F), while December sees a slightly lower range, with a minimum of 18°C (64°F) and a maximum of 32°C (89°F). Both months experience significant rainfall, with March receiving 203 mm (8.0 in) over 24 days and December having 193 mm (7.6 in) over 20 days. December's humidity is marginally higher at 88%, compared to 85% in March. For more detailed insights, you can check Guaratuba weather in December.
As March rolls in, Guaratuba transforms into a warm coastal paradise, with temperatures reaching a pleasant maximum of 32°C while maintaining an average of 25°C. Unlike the earlier summer months, March brings with it increased humidity and a notable uptick in precipitation, with nearly 24 rainy days throughout the month. This shift creates a lush, vibrant environment, albeit with the occasional showers that can interrupt outdoor plans. For those looking to understand the broader climate patterns, March clearly stands apart from the drier and hotter summer months. Discover more about how Guaratuba’s weather evolves throughout the year in our detailed overview at Guaratuba Climate.