Last updated: August 21, 2025
March in Porto Belo, Brazil, is characterized by warm temperatures and notable humidity, creating a lively tropical atmosphere. With maximum highs reaching 32°C (91°F) and an average of 24°C (76°F), the days are comfortably hot. However, evenings cool down to a minimum of 19°C (66°F). Rainfall is a common occurrence this month, as 134 mm (5.3 in) of precipitation typically falls across 21 days, contributing to the region's lush vegetation. The relative humidity remains high at 85%, enhancing the muggy feel, but also enriching the vibrant coastal landscape that draws visitors to this stunning locale.
In March, temperatures in Porto Belo, Brazil, begin to show the subtle transition towards autumn. The month starts with a minimum temperature of 19°C (66°F) and reaches an average of 24°C (76°F), slightly lower than the earlier summer months. Despite this dip, the maximum temperature remains pleasantly warm at 32°C (91°F), providing a comfortable climate for beachgoers and outdoor enthusiasts. This gradual cooling hints at the approaching fall, as the days become more bearable while still offering the warmth of summer, inviting visitors to enjoy the vibrant coastal scenery before the cooler months settle in.
March in Porto Belo brings a noteworthy transition in precipitation patterns as the region experiences 134 mm (5.3 in) of rainfall over 21 days. While this amount signifies a slight decrease from the previous months, it still reflects the lingering impact of the summer rains. January and February stand out with their higher, more intense precipitation, but March continues to demonstrate a consistent wetness, setting the stage for a gradual drying trend as the year progresses. As the rainy days become less frequent, the shift paves the way to April's decline, with significantly lower rainfall expected. This fluctuation in precipitation not only captures the essence of Porto Belo's tropical climate but also highlights its rhythm, transitioning from the heavy summer showers into the milder, drier months ahead.
In March, Porto Belo experiences a humidity level of 85%, which aligns closely with the preceding months of January and February, where humidity was notably high at 86% and 83%, respectively. As the summer draws to a close, this slight dip in moisture is typical, yet the overall climate remains quite tropical. The humidity maintains a consistent rhythm throughout the transition into autumn, mirrored by April's steady 85% level. Notably, the region exhibits an upward trend toward more humid conditions from late spring through early summer, reaching its peak in December at 88%. Thus, March serves as a bridge between the humid summer and the slightly calmer conditions of the rest of the year, reflecting Porto Belo’s varied yet appealing climate.
As March unfolds in Porto Belo, Brazil, the UV Index remains notably high at 12, marking it in the extreme exposure category with a burn time of just 10 minutes—a trend consistent with the preceding months of January and February. While the index begins to dip slightly from its peak in early summer, this still necessitates cautious sun exposure. The transition into April sees the UV Index decrease further to 10, indicating a shift towards a very high level of risk. This gradual decline hints at the onset of autumn, yet it's clear that outdoor enthusiasts should remain vigilant during March. For more detailed information on sun safety throughout the year, visit the Porto Belo UV Index.
UV Risk Categories
March in Porto Belo, Brazil, bathes in an impressive 308 hours of sunshine, marking it as one of the sunniest months of the year. This delightful trend continues from February's 301 hours, highlighting the region's gradual transition into its warm season. Following March, April dips slightly to 289 hours, yet still retains considerable brightness, while May experiences a notable decrease with only 253 hours. As the year progresses, one can observe a seasonal rhythm: despite the sunshine waning into the cooler months of June and July, the overall trend from January through December showcases Porto Belo's reputation as a sun-soaked paradise, with November and December leading the pack, boasting 314 and a record 340 hours of sunshine, respectively. With such dazzling displays of light, Porto Belo remains a radiant destination for sun-seekers year-round.
In March, Porto Belo experiences a 32% chance of sunny weather, signaling a moderate transition as summer begins to wane. This percentage stands in contrast to February's more favorable 49%, highlighting a subtle dip in sunshine as the region moves into autumn. Notably, April maintains this 49% likelihood, suggesting a bounce back in clearer days. As the year progresses, the potential for sunny weather fluctuates, with peaks in July at 57% and dips in the cooler months like October at 17%. Overall, those venturing to Porto Belo in March can expect a mix of sun and clouds, with occasional bright days amidst the shifting seasons.
In March, Porto Belo, Brazil enjoys about 12 hours of daylight, maintaining the same duration as the previous month. This gradual transition from the longer summer days in January, which offer a generous 13 hours of sunshine, begins to shift as the year progresses. As spring approaches in the Southern Hemisphere, daylight continues to taper, dropping to 11 hours in April before stabilizing at 10 hours through the winter months of June and July. Interestingly, the length of daylight then begins to increase again, with a subtle rise back to 12 hours by October. This cyclical pattern of daylight highlights the rhythm of the seasons in Porto Belo, setting the stage for the vibrant days that lie ahead as the year unfolds. 🌅
In March, Porto Belo experiences a modest average wind speed of 2.9 m/s (6 mph), slightly up from February’s calmer 2.8 m/s (6 mph). This gentle breeze offers a pleasant change, reminiscent of summer’s fading whispers as the region transitions towards the cooler months ahead. Interestingly, the wind speeds begin to pick up again in April, climbing to 3.5 m/s (8 mph), setting the stage for a lively start to autumn. Overall, March’s wind is a subtle reminder of the shifting seasons, with conditions that invite leisurely coastal strolls while hinting at the invigorating currents of spring just around the corner.
Weather in Porto Belo varies notably across the year, with each month offering distinct climate conditions. This page compares March’s weather to other months in Porto Belo, focusing on differences in temperature, rainfall, humidity, and UV levels.
In comparing the weather of March and January, we see some notable differences. Both months have a similar minimum temperature, averaging around 19°C (66°F). However, January tends to be slightly warmer overall, with average temperatures reaching 25°C (78°F) and a maximum of 35°C (96°F), compared to March's average of 24°C (76°F) and a peak of 32°C (91°F). Precipitation is also heavier in January, with 172 mm (6.8 in) over 18 days, compared to March's 134 mm (5.3 in) spread across 21 days. Humidity levels are quite similar, with January at 86% and March at 85%. For more detailed insights on January weather, check out Porto Belo weather in January.
In comparing the weather of March to February, we see some notable differences. March has slightly higher minimum temperatures, averaging around 19°C (66°F), while February starts a bit cooler at 17°C (63°F). However, February boasts a higher average temperature of 25°C (77°F) compared to March's average of 24°C (76°F), and it also reaches a maximum of 35°C (95°F), which is significantly warmer than March's maximum of 32°C (91°F).
In terms of precipitation, March experiences 134 mm (5.3 in) over 21 days, which is somewhat less than February's 144 mm (5.7 in) across 16 days. Humidity levels are also slightly higher in March at 85%, compared to February's 83%. Overall, March tends to be more humid with more rainy days, while February offers slightly warmer maximum temperatures. For more detailed insights, you can check Porto Belo weather in February.
March and April exhibit noticeable differences in weather conditions. March is generally warmer, with average temperatures ranging from a minimum of 19°C (66°F) to a maximum of 32°C (91°F), while April sees cooler temperatures, with a minimum of 13°C (57°F) and a maximum of 30°C (87°F). Precipitation levels also decline significantly; March experiences 134 mm (5.3 in) of rain over 21 days, compared to April's 80 mm (3.1 in) over just 14 days. Despite the decrease in rainfall, the humidity remains consistent at 85% in both months. For more detailed insights, you can visit Porto Belo weather in April.
In comparing the weather between March and May, March tends to be warmer and wetter. With temperatures ranging from a minimum of 19°C (66°F) to a maximum of 32°C (91°F), it has an average temperature of 24°C (76°F). This month also experiences significant rainfall, totaling 134 mm (5.3 in) over 21 days and a high humidity level of 85%.
In contrast, May offers cooler temperatures, with a minimum of 10°C (50°F) and a maximum of 30°C (86°F), averaging 20°C (68°F). Precipitation during May is less pronounced, with 103 mm (4.1 in) over 13 days, while humidity remains slightly higher at 86%. For more detailed information on the weather during this month, you can visit Porto Belo weather in May.
March and June present distinct weather patterns. In March, temperatures range from a minimum of 19°C (66°F) to a maximum of 32°C (91°F), with an average of 24°C (76°F). The month experiences high rainfall, accumulating 134 mm (5.3 in) over 21 days, while humidity remains elevated at 85%. In contrast, June offers cooler temperatures, with a minimum of 8°C (46°F) and a maximum of 28°C (83°F), resulting in an average of 18°C (65°F). Precipitation in June is slightly lower at 116 mm (4.6 in) and occurs over just 11 days, yet the humidity remains consistent at 85%. For more details on June weather, you can check Porto Belo weather in June.
March and July showcase a striking contrast in weather patterns. In March, temperatures range from a minimum of 19°C (66°F) to a maximum of 32°C (91°F), with an average temperature of 24°C (76°F). This month also experiences significant precipitation, averaging 134 mm (5.3 in) over 21 days and high humidity at 85%. In contrast, July features much cooler temperatures, with a minimum of 6°C (43°F) and a maximum of 27°C (81°F), and a lower average of 17°C (62°F). Rainfall is minimal in July, totaling only 45 mm (1.8 in) across just 6 days, accompanied by a slightly lower humidity level of 80%. For more details, you can check out Porto Belo weather in July.
March and August showcase distinctly different weather patterns. In March, temperatures range from a minimum of 19°C (66°F) to a maximum of 32°C (91°F), with an average of 24°C (76°F). This month experiences significant rainfall, totaling 134 mm (5.3 in) over 21 days, combined with high humidity at 85%. In contrast, August offers a cooler climate, with temperatures dipping to a minimum of 8°C (46°F) and peaking at 27°C (80°F), averaging 17°C (63°F). Precipitation is significantly lower in August, at 63 mm (2.5 in) over just 9 days, and humidity stands at a more moderate 79%. For more details on the August weather, visit Porto Belo weather in August.
March and September present distinctly different weather patterns. In March, temperatures soar from a minimum of 19°C (66°F) to a maximum of 32°C (91°F), with an average of 24°C (76°F). The month is marked by high humidity at 85% and significant precipitation, totaling 134 mm (5.3 in) over 21 days. In contrast, September offers cooler temperatures, with a minimum of 12°C (53°F), an average of 19°C (67°F), and a maximum of 27°C (81°F). The humidity decreases slightly to 82%, and the rainfall is also reduced, totaling 85 mm (3.3 in) over just 12 days. For a detailed look at the September weather specifically, visit Porto Belo weather in September.
March and October present contrasting weather patterns. In March, temperatures range from a minimum of 19°C (66°F) to a maximum of 32°C (91°F), with an average of 24°C (76°F). This month sees significant rainfall, totaling 134 mm (5.3 in) over 21 days, and high humidity at 85%. In contrast, October's temperatures are cooler, with a minimum of 13°C (57°F) and a maximum of 31°C (89°F), averaging 21°C (70°F). Rainfall slightly decreases to 127 mm (5.0 in) over 16 rainy days, accompanied by lower humidity at 82%. For more specifics about October weather, see Porto Belo weather in October.
When comparing the weather in March and November, it's evident that March tends to be warmer, with average temperatures ranging from a minimum of 19°C (66°F) to a maximum of 32°C (91°F), while November sees slightly cooler conditions, with averages from 14°C (57°F) to 31°C (88°F). March also experiences higher precipitation levels, with 134 mm (5.3 in) falling over 21 days, compared to November's 98 mm (3.9 in) across 15 days. Humidity levels remain fairly similar in both months, hovering around 85% in March and 86% in November, creating a muggy atmosphere throughout. For a more detailed look at November's climate, please refer to Porto Belo weather in November.
March and December in Porto Belo both feature warm temperatures, but there are some notable differences in their weather patterns. March typically has minimum temperatures around 19°C (66°F) and can reach a maximum of 32°C (91°F), while December's temperatures range from a minimum of 16°C (61°F) to a high of 33°C (92°F). Precipitation levels are slightly higher in December, with 144 mm (5.7 in) over 17 days, compared to March's 134 mm (5.3 in) over 21 days. Additionally, December tends to be more humid, with an average humidity of 88% compared to March's 85%. For more details on December weather, you can check Porto Belo weather in December.
In March, Porto Belo transitions into the heart of autumn, offering a unique blend of warm days and cooler nights that sets it apart from the hotter summer months. With temperatures averaging around 24°C (76°F), this period provides a refreshing escape from the higher peaks of January and February. However, expect more frequent rainfall, as March records roughly 21 days of precipitation, showcasing a marked increase in humidity levels at 85%. This blend of warmth and moisture cultivates a vibrant atmosphere, making it an ideal time for those seeking to explore the lush landscape. For a complete overview of what to expect throughout the year, check out the detailed Porto Belo Climate page.