Last updated: August 21, 2025
In Niteroi, Brazil, February showcases a vibrant tropical climate, characterized by a maximum temperature reaching up to 35°C (95°F) and a comfortable average of 27°C (80°F). Nighttime brings a welcoming relief with minimum temperatures around 21°C (71°F). However, residents and visitors should be prepared for some precipitation, as February sees an average of 119 mm (4.7 in) of rain spread over 15 days, contributing to the region’s 85% humidity. This blend of warmth and moisture creates a lush, inviting atmosphere perfect for exploring the natural beauty and cultural offerings of the area.
In Niteroi, Brazil, February is characterized by warm and sultry weather, continuing the trend set by January. With nighttime temperatures dipping to a comfortable 21°C (71°F), the days heat up to an eye-catching 35°C (95°F). The average temperature remains steady at around 27°C (80°F), reflecting a delightful summer ambiance perfect for beachgoers and outdoor enthusiasts alike. This month marks one of the warmest in the year, with the mercury often peaking slightly higher than in both January and March. As February unfolds, residents and visitors can expect plenty of sunshine and vibrant energy, making it an ideal time to embrace all that this picturesque coastal city has to offer.
February in Niterói, Brazil, introduces a notable uptick in precipitation, with 119 mm (4.7 in) of rain falling over 15 days. This marks an increase from January's 91 mm (3.6 in), indicating that the summer months are characterized by more frequent rain showers. As the city transitions into March, amounts continue to rise, peaking at 138 mm (5.4 in), with precipitation days also edging upward. This trend suggests a pattern of increasing rainfall as the summer progresses, highlighting the region's distinctive wet season. The lush, verdant landscapes during this period reflect the substantial moisture, inviting both vibrant natural beauty and the occasional challenge of navigating the downpours.
In Niteroi, Brazil, February greets residents and visitors with consistent humidity levels, mirroring January's 85%. This steady moisture in the air provides a feeling of warmth but can also lead to a higher perception of heat during the day. As the month transitions into March, humidity nudges up slightly to 86%, hinting at the approaching rainy season, which tends to maintain these elevated levels. Following this peak, humidity begins a gradual decline through the winter months, ultimately reaching a comfortable 61% by October. This trend reflects Niteroi's tropical climate, where humidity plays a significant role in the overall weather experience, shaping not just the scenery but the daily life of everyone in this vibrant coastal city.
In February, Niteroi experiences an ultra-high UV Index of 14, maintaining the extreme exposure category that marks the peak of summer in Brazil. With a burn time of just 10 minutes, it’s essential to take precautions against the sun's potent rays. This month continues the trend observed in January and March, where the UV levels remain critical. As the year progresses, the intensity of the UV Index gradually declines, transitioning to lower levels in the colder months. For those venturing outdoors in February, it’s crucial to stay protected, ensuring you enjoy the vibrant beaches safely. For more details, visit the Niteroi UV Index.
UV Risk Categories
February in Niteroi, Brazil, shines with 271 hours of sunshine, a slight increase from January's 270 hours. This continuing trend of abundant sunlight sets the tone for the upcoming months, as spring approaches with even brighter days ahead. March, for instance, boasts an impressive 309 hours, marking it as one of the sunniest months of the year. Following this sunny peak, hours gradually taper off in April before rising again in the warm embrace of summer. The consistent sunlight during this period not only enhances the beauty of Niteroi's coastal scenery but also invites locals and tourists alike to revel in outdoor activities, making every sunbeam a celebration of life in this vibrant city.
In Niteroi, Brazil, February offers a 33% chance of sunny weather, making it one of the cooler months for sun seekers compared to both January and the upcoming months. While the likelihood of sunshine dips slightly in February, it sets the stage for an impressive turnaround as the seasons progress, with March witnessing a notable increase to 51% and April further climbing to 54%. This trend suggests that while February may linger in a relatively cloudy state, the promise of brighter days on the horizon can keep spirits high. As summer transitions toward autumn, residents and visitors can look forward to a gradually sunnier landscape in the coming months.
In February, Niteroi, Brazil, enjoys approximately 12 hours of daylight, mirroring the brightness of March and signaling a gradual transition from the longer days of January. This month marks a distinct shift as daylight begins to wane, a trend that continues into April with just 11 hours of sunlight. As the year progresses into the cooler months, May through July maintain a steady rhythm of 10 hours of daylight, creating a cozy atmosphere that complements the winter season. However, the cycle begins to reverse in August, bringing back the vibrant 11 hours of light, rising again to 12 hours in October as spring approaches. Lastly, the year rounds out with the return of longer days in November and December, each boasting 13 hours of daylight, reminding residents of Niteroi of the sun-soaked days that grace the start of the year.
In February, Niteroi experiences a gentle lull in wind activity, with average wind speeds dropping to 2.3 m/s (5 mph), the lowest point of the year. This calmness sets the stage for tranquil beach days and serene sunsets, offering a picturesque backdrop for both locals and visitors alike. As temperatures rise leading into March, the winds pick up slightly to 2.5 m/s (6 mph), hinting at the onset of a more invigorating breeze. Overall, February serves as a transitional period, characterized by its soft winds, before the seasonal increases in airflow roll in, particularly noticeable as autumn approaches in the following months.
Weather in Niteroi varies notably across the year, with each month offering distinct climate conditions. This page compares February’s weather to other months in Niteroi, focusing on differences in temperature, rainfall, humidity, and UV levels.
In comparing the weather between January and February, both months exhibit similar temperature ranges, with February experiencing slightly warmer maximum temperatures, peaking at 35°C (95°F), compared to January's 34°C (94°F). The average temperatures remain consistent, with February averaging 27°C (80°F) and January slightly cooler at 27°C (81°F). However, February is characterized by increased precipitation, with 119 mm (4.7 in) over 15 days, whereas January sees less rain at 91 mm (3.6 in) over 11 days. Humidity levels remain constant at 85% for both months, indicating a similar muggy atmosphere. For more detailed insights, check out Niteroi weather in January.
February and March exhibit similar average temperatures, with February slightly warmer, reaching a maximum of 35°C (95°F) compared to March’s peak of 34°C (94°F). However, March sees a marginal increase in precipitation, totaling 138 mm (5.4 in) over 16 days, compared to February's 119 mm (4.7 in) across 15 days. Both months maintain high humidity levels, with February at 85% and March slightly higher at 86%. For more detailed information on the weather in March, visit Niteroi weather in March.
When comparing the weather in February and April, February tends to be slightly warmer with an average temperature of 27°C (80°F) compared to April's average of 25°C (77°F). The maximum temperatures in both months are similar, with February reaching up to 35°C (95°F) and April peaking at 34°C (93°F). However, February experiences significantly more precipitation, with 119 mm (4.7 in) over 15 days, while April sees only 81 mm (3.2 in) across 14 days. Humidity levels are also comparable, at 85% in February and 83% in April, contributing to a generally tropical atmosphere. For more details on conditions during April, you can visit Niteroi weather in April.
In comparing the weather between February and May, February tends to be hotter, with minimum temperatures around 21°C (71°F) and averaging 27°C (80°F), peaking at 35°C (95°F). This month also experiences more precipitation, totaling 119 mm (4.7 in) over about 15 days, coupled with high humidity levels of 85%. In contrast, May offers cooler conditions, with a minimum of 16°C (61°F) and an average temperature of 23°C (74°F), reaching a maximum of 33°C (91°F). Precipitation is less frequent in May, totaling 73 mm (2.9 in) across 10 days, with slightly lower humidity at 81%. For a more detailed look at the weather in May, check out Niteroi weather in May.
When comparing February and June weather, February typically showcases warmer temperatures, with minimums around 21°C (71°F) and maximums reaching up to 35°C (95°F). This month also experiences higher humidity at 85% and significantly more rainfall, averaging 119 mm (4.7 in) over approximately 15 days. In contrast, June offers cooler conditions with minimum temperatures of 16°C (62°F) and a maximum of 31°C (89°F). Precipitation drops to 39 mm (1.5 in) over just 9 days, alongside a lower humidity level of 80%. For a more detailed overview of the climate during this month, you can visit Niteroi weather in June.
February and July present distinctly different weather patterns. In February, temperatures range from a minimum of 21°C (71°F) to a maximum of 35°C (95°F), with an average of 27°C (80°F). This month is characterized by high humidity at 85% and substantial rainfall, totaling 119 mm (4.7 in) over 15 days. In contrast, July sees cooler averages, with temperatures ranging from 15°C (59°F) to 32°C (90°F) and an average of 21°C (71°F). Rainfall is minimal, with only 35 mm (1.4 in) over just 6 days, and humidity drops to 76%. For more information on the weather specifics, you can check Niteroi weather in July.
February and August present a stark contrast in weather patterns. February boasts higher temperatures, with a minimum of 21°C (71°F) and an average of 27°C (80°F), peaking at a scorching 35°C (95°F). Coupled with an average humidity of 85% and frequent rain over 15 days, February feels quite warm and sticky. In contrast, August experiences milder temperatures, with a minimum of 14°C (58°F) and an average of 21°C (71°F), peaking at a comfortable 32°C (90°F). The month is drier, featuring only 68 mm (2.7 in) of rain across 11 days, along with a lower humidity level of 73%. For a detailed look at weather conditions, check out Niteroi weather in August.
When comparing the weather in February and September, February tends to be quite warm and humid, with average temperatures ranging from a minimum of 21°C (71°F) to a maximum of 35°C (95°F). This month also experiences significant rainfall, averaging 119 mm (4.7 in) over about 15 days, and is characterized by high humidity at 85%. In contrast, September offers a more moderate climate, featuring lower temperatures that range from a minimum of 17°C (63°F) to a maximum of 34°C (94°F). Precipitation is considerably less in September, totaling 48 mm (1.9 in) across just 8 days, and the humidity drops to a more comfortable 68%. For more details, you can check Niteroi weather in September.
February and October offer distinct weather experiences, with February showcasing higher temperatures and humidity. In February, temperatures range from a minimum of 21°C (71°F) to a maximum of 35°C (95°F), accompanied by significant precipitation of 119 mm (4.7 in) over 15 days and humidity levels reaching 85%. In contrast, October presents milder temperatures, with a minimum of 17°C (63°F) and a maximum of 36°C (97°F), while precipitation decreases to 86 mm (3.4 in) over 14 days and humidity drops to a more comfortable 61%. For a closer look at what to expect, check out Niteroi weather in October.
When comparing the weather in February and November, February generally presents warmer temperatures, with averages reaching up to 27°C (80°F) and maximums around 35°C (95°F), while November features milder averages of 24°C (75°F) and highs of 34°C (94°F). Both months experience significant rainfall, with February receiving slightly more precipitation at 119 mm (4.7 in) over about 15 days, compared to November's 115 mm (4.5 in) spread over 16 days. February also tends to be more humid, with levels around 85%, whereas November sees a lower humidity of 72%. For more details on November weather, visit Niteroi weather in November.
When comparing February and December weather, both months showcase warm temperatures, but February tends to be slightly hotter. In February, the minimum temperature is 21°C (71°F) with an average of 27°C (80°F) and a maximum reaching up to 35°C (95°F). In contrast, December has slightly cooler temperatures, with a minimum of 19°C (67°F), an average of 25°C (78°F), and a maximum of 33°C (92°F). Precipitation levels are similar, with February experiencing 119 mm (4.7 in) and December slightly higher at 121 mm (4.8 in), both occurring over around 15 days. Notably, the humidity in February is higher at 85%, compared to December’s 75%. For a more detailed look at weather conditions in December, you can check Niteroi weather in December.
As February unfolds in Niteroi, the weather showcases a vibrant contrast to other months, with its warm temperatures peaking at a sweltering 35°C and an inviting average of 27°C. The increased humidity of 85% combined with frequent rainfall, occurring on about half the days of the month, adds a tropical richness to the atmosphere. While the skies may be sprinkled with rain, these brief showers often refresh the landscape and enhance the lush surroundings. This dynamic blend of heat and moisture marks February as an intensively lush and lively time to experience Niteroi's natural beauty. For a deeper dive into what to expect throughout the year, visit Niteroi Climate.