Last updated: August 21, 2025
March in Niteroi, Brazil is characterized by warm temperatures and notable humidity. With maximums reaching 34°C (94°F) and an average of 27°C (80°F), the weather offers a tropical feel, though it can cool to a minimum of 20°C (69°F) at night. This month sees about 138 mm (5.4 in) of rainfall spread across 16 days, making it a time for both sun-soaked moments and refreshing showers. Expect an average humidity level of 86%, which adds a lush quality to the vibrant landscape, perfect for those who appreciate a lively coastal climate.
In March, Niteroi, Brazil experiences a delightful transition into early autumn, with temperatures ranging from a minimum of 20°C (69°F) to a maximum of 34°C (94°F). The city maintains an average temperature of 27°C (80°F), preserving the vibrant warmth of summer while gradually cooling down as it approaches April. Compared to the warmer months of January and February, March shows a slight dip in the minimum temperature, indicating a subtle shift towards the cooler climate. Yet, the overall warmth remains enticing, making March an ideal time to enjoy the stunning beaches and lively outdoor activities that Niteroi has to offer. With pleasant, balmy evenings, visitors can savor the beauty of this coastal gem as the summer's heaviest heat begins to retreat.
In March, Niteroi experiences a significant uptick in rainfall, with 138 mm (5.4 in) of precipitation recorded over 16 days. This marks a notable increase from both January and February, indicating that March is one of the wettest months of the year. The consistent rain not only brings essential moisture to the region but also highlights the transition into the wetter season. As temperatures begin to rise, the increased precipitation supports local ecosystems and replenishes water sources. Following March, a sharp decline in rainfall is observed in April, with only 81 mm (3.2 in), suggesting that the climatic pattern shifts towards drier conditions as the year progresses. This trend underscores the dynamic nature of Niteroi’s climate, marked by a distinct and robust wet season, particularly evident in March.
In Niteroi, Brazil, March sees a slight uptick in humidity, reaching 86%, a modest increase from the consistent 85% of the preceding months. This pattern reflects a seasonal trend where humidity gradually rises from the beginning of the year, peaking in March before it starts to decline. As the region transitions into the cooler months, humidity levels dip to 83% in April, continuing a gradual descent through the drier winter. This fluctuation paints a picture of Niteroi’s subtropical climate, where warm, humid conditions dominate at the start of the year, paving the way for more comfortable, dryer days ahead.
In March, Niteroi, Brazil experiences a UV Index of 13, placing it firmly within the extreme exposure category and maintaining a quick burn time of just 10 minutes. This marks a slight decline from the peak of 15 in January and 14 in February, indicating a gradual shift as summer transitions to autumn. However, the persistence of extreme UV levels means that residents and visitors must remain vigilant about sun protection. As the year progresses, the UV Index trends downward, dropping to 10 in April, but March still reflects the intense sunlight typical of the preceding summer months. For more detailed information on UV levels throughout the year, visit Niteroi UV Index.
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March in Niteroi, Brazil, shines brighter than any other month, boasting an impressive 309 hours of sunshine. This marks a delightful increase compared to the previous months, with January and February seeing 270 and 271 hours respectively. As summer transitions into autumn, March's sunny disposition heralds the peak of daylight before a gradual decline, with April still basking in 296 hours of sun. The trend suggests that while the winter months see a slight dip, Niteroi’s blissful sunshine remains a key feature throughout the year, culminating in a dazzling 318 hours in December. Embrace the warmth of March, where the sun makes its vibrant mark in the coastal charm of Niteroi.
In Niteroi, Brazil, March marks a vibrant transition into sunnier days, boasting a 51% chance of sunshine—a notable increase compared to the earlier months of the year. As summer's warmth begins to fade, this uptick in sunny weather is reflective of a wider trend that sees April and June both exceed 54% likelihood of clear skies. Interestingly, the peak of sunshine can be found in July and August, where chances climb to 58% and 60% respectively, suggesting that while March heralds the beginning of brighter days, the summer months truly embrace the sun. As autumn approaches in October, the prospects of sunny weather dip to just 20%, highlighting a seasonal shift that underscores the dynamic weather patterns in this coastal paradise.
In Niteroi, Brazil, the month of March enjoys approximately 12 hours of daylight, mirroring the trend set in February. As summer transitions to autumn, daylight gradually decreases, which is noticeable as we move from the longer hours of January, boasting 13 hours, down to 11 hours by April. This pattern of shortening days continues into the winter months, with a steady 10 hours of daylight from May through July. As the year progresses towards spring, daylight extends again, reaching 11 hours in August and September, before surging back to 12 hours in October and peaking at 13 hours in November and December. This rhythm of daylight reflects the unique seasonal shifts characteristic of Niteroi, enhancing the region's vibrant atmosphere throughout the year.
In March, Niteroi, Brazil experiences a gentle breeze with an average wind speed of 2.5 m/s (6 mph), slightly picking up from February's calm. As the summer transitions into autumn, the winds begin to gradually strengthen, setting the stage for the more dynamic April that follows, where speeds jump back to 3.4 m/s (8 mph). This trend of fluctuating breezes continues throughout the year, with the wind most invigorating as it reaches its peaks between September and October, hinting that while March offers a serene start to the season, more robust gusts are just around the corner.
Weather in Niteroi varies notably across the year, with each month offering distinct climate conditions. This page compares March’s weather to other months in Niteroi, focusing on differences in temperature, rainfall, humidity, and UV levels.
When comparing the weather in March and January, both months exhibit warm temperatures, with January being slightly warmer on average. January sees minimum temperatures of 21°C (70°F) and an average of 27°C (81°F), consistent with March's averages, which range from a minimum of 20°C (69°F) to a maximum of 34°C (94°F). However, March is characterized by higher precipitation, totaling 138 mm (5.4 in) over 16 days, compared to January's 91 mm (3.6 in) over just 11 days. Humidity levels remain similar, with March at 86% and January at 85%. For a more detailed look at January weather patterns, you can visit Niteroi weather in January.
In comparing the weather of March and February, we see that both months have a similar average temperature of 27°C (80°F). However, February boasts a slightly higher minimum temperature of 21°C (71°F) compared to March's 20°C (69°F) and also reaches a maximum of 35°C (95°F), which is 1°C warmer than March's maximum of 34°C (94°F). When it comes to precipitation, March sees an increase with 138 mm (5.4 in) over 16 days, while February has 119 mm (4.7 in) over 15 days. Notably, March has a slightly higher humidity level at 86% compared to February’s 85%. For a more detailed look at the weather conditions, visit Niteroi weather in February.
In comparing the weather between March and April, March tends to be slightly warmer with an average temperature of 27°C (80°F) compared to April's 25°C (77°F). Both months experience maximum temperatures reaching up to 34°C (93°F), but March has a higher minimum temperature of 20°C (69°F) against April's 19°C (67°F). Precipitation is significantly heavier in March, with 138 mm (5.4 in) falling over 16 days, while April sees a reduced rainfall of 81 mm (3.2 in) across 14 days. Additionally, humidity levels are marginally lower in April at 83%, compared to March's 86%. For more detailed information on April's weather, you can check Niteroi weather in April.
March and May exhibit distinct weather patterns. In March, temperatures range from a minimum of 20°C (69°F) to a maximum of 34°C (94°F), with an average of 27°C (80°F). This month also experiences significant rainfall, totaling 138 mm (5.4 in) over 16 days, resulting in higher humidity levels at 86%. In contrast, May enjoys milder conditions, with temperatures stretching from a minimum of 16°C (61°F) to a maximum of 33°C (91°F), averaging at 23°C (74°F). The precipitation is notably lower at 73 mm (2.9 in) across 10 days, and humidity decreases slightly to 81%. For a more detailed overview of May's climate, you can check Niteroi weather in May.
In March, temperatures in Niteroi are typically warmer, with a minimum of 20°C (69°F) and an average high of 34°C (94°F), compared to June, where the temperatures range from a minimum of 16°C (62°F) to a maximum of 31°C (89°F). March also sees significantly more rainfall, with an average precipitation of 138 mm (5.4 in) over 16 days, while June experiences a much drier climate with only 39 mm (1.5 in) over 9 days. Additionally, humidity levels in March are higher at 86%, compared to June's 80%. For more detailed insights, check out Niteroi weather in June.
When comparing the weather in March and July, there are notable differences in temperature, precipitation, and humidity. March typically enjoys higher temperatures, with a minimum of 20°C (69°F) and an average of 27°C (80°F), peaking at 34°C (94°F). In contrast, July experiences cooler conditions, with temperatures starting at a minimum of 15°C (59°F) and reaching an average of 21°C (71°F), topping out at 32°C (90°F). Precipitation is also significantly higher in March, with 138 mm (5.4 in) spread over 16 days, while July sees only 35 mm (1.4 in) over just 6 days. Additionally, March's humidity levels are elevated at 86%, compared to July's 76%, contributing to a more humid feel during the earlier month. For more specific details about July's weather, you can refer to Niteroi weather in July.
When comparing the weather in March and August, it’s clear that March is generally warmer and more humid. In March, temperatures range from a minimum of 20°C (69°F) to a maximum of 34°C (94°F), with an average temperature of 27°C (80°F). The month also sees significant precipitation, with 138 mm (5.4 in) spread over 16 days, resulting in a high humidity level of 86%. In contrast, August is cooler, with temperatures ranging from a minimum of 14°C (58°F) to a maximum of 32°C (90°F) and an average of 21°C (71°F). Precipitation is notably lower in August at 68 mm (2.7 in) over 11 days, and humidity decreases to 73%. For more information on Niteroi's weather specifics during August, you can visit Niteroi weather in August.
March and September present contrasting weather patterns. In March, temperatures range from a minimum of 20°C (69°F) to a maximum of 34°C (94°F), with an average of 27°C (80°F). However, this month is notably wetter, receiving 138 mm (5.4 in) of precipitation over 16 days and maintaining a high humidity level of 86%. In contrast, September sees cooler temperatures, with a minimum of 17°C (63°F), an average of 23°C (74°F), and a maximum that remains the same at 34°C (94°F). The month is considerably drier, with only 48 mm (1.9 in) of precipitation over 8 days, and humidity levels dropping to 68%. For a more detailed look at the September weather in Niteroi, you can visit Niteroi weather in September.
In March, the weather is significantly warmer, with minimum temperatures reaching 20°C (69°F) and an average of 27°C (80°F), compared to October's lower minimum of 17°C (63°F) and average of 24°C (75°F). However, October can bring higher maximum temperatures of up to 36°C (97°F), while March peaks at 34°C (94°F). Precipitation is also more prevalent in March, with 138 mm (5.4 in) spread over 16 days, compared to October's 86 mm (3.4 in) over 14 days. Additionally, the humidity levels in March are considerably higher at 86%, while October sees a more comfortable 61%. For more details about October weather in Niteroi, check out Niteroi weather in October.
March and November exhibit distinct weather patterns, with March generally being warmer and more humid. In March, temperatures range from a minimum of 20°C (69°F) to an average of 27°C (80°F) and can reach a maximum of 34°C (94°F). The month is characterized by significant rainfall, with a total precipitation of 138 mm (5.4 in) spread over 16 days, leading to high humidity levels at 86%. In contrast, November experiences slightly cooler temperatures, with a minimum of 18°C (64°F) and an average of 24°C (75°F), while still reaching a maximum of 34°C (94°F). Precipitation in November is lower at 115 mm (4.5 in), also falling over 16 days, and humidity drops to a more comfortable 72%. For a detailed view of November's weather, you can check Niteroi weather in November.
In comparing the weather of March and December, there are some notable differences. March typically features warmer temperatures, with a minimum of 20°C (69°F) and an average high of 34°C (94°F), while December sees a slightly cooler minimum of 19°C (67°F) and an average high of 33°C (92°F). Both months experience significant rainfall, but March tends to be wetter with 138 mm (5.4 in) over 16 days, compared to December's 121 mm (4.8 in) across 15 days. Additionally, March has higher humidity at 86%, whereas December enjoys a more comfortable 75%. For more insights into December weather, visit Niteroi weather in December.
As March unfolds in Niteroi, it brings a delightful blend of warmth and humidity, setting it apart from the cooler months preceding it. With temperatures consistently averaging around 27°C (80°F), residents and visitors alike can expect a mix of hot days and refreshing breezes. However, this month also sees a spike in rainfall, with precipitation occurring on nearly half the days, contributing to the city's lush landscapes. Compared to the drier conditions of earlier months, March embraces a more tropical climate, making it a unique time to experience Niteroi’s vibrant atmosphere. For a deeper insight into Niteroi's weather throughout the year, explore Niteroi Climate.