Last updated: August 21, 2025
In December, Mangaratiba, Brazil experiences warm tropical weather, with maximum temperatures reaching up to 32°C (90°F) and a pleasant average temperature of 24°C (76°F). As the month progresses, residents and visitors can expect some rain, with total precipitation amounting to 199 mm (7.8 in) spread over approximately 21 days, contributing to the region's lush greenery. The high humidity level of 75% adds to the tropical ambiance, making it essential to stay hydrated and enjoy the vibrant natural beauty that this coastal town has to offer during the festive season.
In December, Mangaratiba, Brazil, embraces the summer season with pleasantly warm temperatures. The month sees a range from a minimum of 18°C (65°F) to a maximum of 32°C (90°F), with an average of 24°C (76°F). This slight increase in warmth compared to November signals a transition into the height of summer, setting the stage for a vibrant outdoor experience. As the year winds down, December's climate invites both locals and tourists to enjoy the sun-soaked beaches and lush landscapes, enhancing the allure of this coastal paradise. With temperatures steadily rising from the cooler months, December embodies the essence of Brazilian summer, creating perfect conditions for relaxation and adventure alike.
In Mangaratiba, Brazil, December marks a significant uptick in precipitation, with 199 mm (7.8 in) of rainfall recorded across 21 days. This pattern reflects a trend of increasing precipitation as the year draws to a close, following November's total of 167 mm (6.6 in) over 18 days. While the early months, particularly February and March, experience even heavier downpours, December stands out as the transition into a wetter season, effectively bridging the gap between the drier months of July and August. This increase not only enriches the lush landscapes of Mangaratiba but also sets the stage for the region's vibrant ecosystems to thrive as summer approaches.
In Mangaratiba, Brazil, December typically sees a relative humidity of 75%, marking a slight uptick from November's 72%. This seasonal shift hints at the region’s characteristic humidity patterns, where the year begins with warm and moist conditions peaking in the first few months. As the year progresses, humidity gradually declines, reaching a low of 61% in October before rising again in December. This cyclical fluctuation reflects the coastal climate, where the blend of tropical warmth and ocean breezes creates a unique environment, setting the stage for vibrant natural beauty and a refreshing atmosphere as the year draws to a close.
In December, Mangaratiba, Brazil experiences an extreme UV Index of 15, with a rapid burn time of just 10 minutes—a trend consistent throughout the year. Following a pattern of high UV exposure, the summer months of January, February, and December all peak with this intensity. Notably, the transition into the cooler months shows a gradual decrease, with UV levels dropping in May and June, though still remaining very high to high. It's evident that visitors should remain vigilant about sun safety, especially during these peak months. For more detailed information, you can check the Mangaratiba UV Index.
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In Mangaratiba, Brazil, December radiates with 288 hours of sunshine, marking it as one of the sunniest months of the year alongside July. This vibrant tropical locale enjoys a steady upward trend in sunlight from the cooler months of April through November, where average hours consistently hover around the mid to high 200s. As the year winds down, Mangaratiba transforms into a sun-drenched paradise, perfect for both locals and tourists to soak in the warmth and beauty of summer. The longer days of December not only enhance the landscape but also create an inviting atmosphere, encouraging outdoor festivities and beach escapades.
December in Mangaratiba, Brazil, brings a 39% chance of sunny weather, marking a slight uptick from November's 35%. As the year progresses, the likelihood of sunshine tends to rise, peaking in the middle of the year with 58% in both July and August, suggesting a distinct seasonal pattern. While December does not quite reach those heights, it does indicate an overall trend of increasing sun as the year winds down. This balance of potential sunshine mixed with occasional clouds makes December a charming time to experience the coastal beauty of Mangaratiba, especially as it transitions into the warmth of summer.
In Mangaratiba, Brazil, the daylight duration exhibits a captivating rhythm throughout the year. December, much like January and November, boasts 13 hours of daylight, allowing residents to bask in the sun's glow during the festive season. This period precedes a gradual decline in daylight as the year progresses, with April ushering in shorter days of 11 hours, and May dropping to 10 hours. However, the sun reemerges towards the end of the year, gradually increasing from 10 hours in the winter months of June to August back up to 12 hours in October. The cycle highlights the vibrant contrast between longer, sun-drenched days and the more muted daylight of the winter months, making Mangaratiba a haven for lovers of both sun and shade throughout the seasons.
In Mangaratiba, Brazil, December welcomes a gentle breeze, with an average wind speed of 2.7 m/s (6 mph). This month, alongside November, stands out for its consistency, reflecting a transitional tone as the year draws to a close. Throughout the year, wind speeds fluctuate, peaking at 3.4 m/s (8 mph) in October, while the summer months from January to March experience calmer conditions. As the seasons shift, the wind strength gradually increases from the relatively tranquil early months, culminating in the lively gusts of late spring and early fall. The December winds offer a reminder of this natural ebb and flow, blending approachability with the refreshing charm of coastal breezes.
Weather in Mangaratiba varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Mangaratiba, focusing on differences in temperature, rainfall, humidity, and UV levels.
When comparing the weather in December and January, we see a noticeable increase in temperatures. December features a minimum temperature of 18°C (65°F) and an average of 24°C (76°F), reaching a maximum of 32°C (90°F). The month also experiences considerable precipitation, averaging 199 mm (7.8 in) over 21 days, with a humidity level of 75%. In contrast, January starts with a higher minimum temperature of 21°C (70°F) and an average of 26°C (79°F), peaking at 34°C (93°F). The precipitation in January is slightly less, at 198 mm (7.8 in) over 17 days, accompanied by increased humidity of 85%. For more detailed information, you can check the Mangaratiba weather in January.
December and February exhibit distinct weather patterns despite their proximity in the calendar year. December temperatures range from a minimum of 18°C (65°F) to a maximum of 32°C (90°F), with an average of 24°C (76°F), while February sees slightly higher temperatures, with a minimum of 21°C (70°F) and a maximum of 33°C (91°F), averaging 26°C (78°F). Precipitation plays a significant role, with December receiving 199 mm (7.8 in) over 21 days, compared to February's 230 mm (9.1 in) across 20 days. The humidity is also higher in February at 85%, versus December's 75%. For a more detailed look at February's weather conditions, you can visit Mangaratiba weather in February.
In December, the weather typically features a minimum temperature of 18°C (65°F) and an average temperature of 24°C (76°F), with a maximum reaching 32°C (90°F). Precipitation is considerable, totaling 199 mm (7.8 in) over 21 days, accompanied by a humidity level of 75%. In contrast, March sees slightly warmer temperatures, with a minimum of 20°C (68°F) and an average of 25°C (78°F), maintaining the maximum temperature of 32°C (90°F). However, March also experiences increased rainfall, accumulating 229 mm (9.0 in) over 19 days and a higher humidity of 86%. For more details on March weather, check out Mangaratiba weather in March.
In December, the weather is characterized by warm temperatures, with a minimum of 18°C (65°F) and a maximum reaching 32°C (90°F). Average humidity is around 75%, accompanied by significant precipitation totaling 199 mm (7.8 in) over 21 days. In contrast, April experiences slightly warmer conditions, with minimum temperatures of 19°C (66°F) and a maximum of 33°C (92°F), while the average humidity increases to 83%. Precipitation in April is lower, at 111 mm (4.4 in), spread across 16 days. For more details on April weather specifics, you can visit Mangaratiba weather in April.
In December, the weather features warmer temperatures with a minimum of 18°C (65°F) and an average high of 32°C (90°F), making it noticeably hotter than May, which has a minimum of 16°C (60°F) and an average high of 30°C (86°F). December also experiences significantly more precipitation, with 199 mm (7.8 in) over 21 days, compared to May's 93 mm (3.7 in) over just 11 days. Additionally, December's humidity is slightly lower at 75% compared to May’s 81%, leading to a more humid feel during the latter month. For more detailed information on May weather, you can check Mangaratiba weather in May.
December and June present distinct weather profiles, with December being warmer and more humid. In December, temperatures typically range from a minimum of 18°C (65°F) to a maximum of 32°C (90°F), accompanied by significant rainfall of 199 mm (7.8 in) spread over 21 days. Conversely, June offers slightly cooler temperatures, with a minimum of 15°C (60°F) and a maximum of 30°C (86°F), and much lower precipitation at 57 mm (2.2 in) over just 10 days. While June's humidity is marginally higher at 80%, the overall conditions in December make it feel more muggy. For a more detailed overview of June weather, check out Mangaratiba weather in June.
In comparing the weather of December and July, December experiences warmer temperatures with a minimum of 18°C (65°F) and a maximum of 32°C (90°F), averaging around 24°C (76°F). It also has significantly higher precipitation, totaling 199 mm (7.8 in) over 21 days, contributing to a humidity level of 75%. In contrast, July sees cooler temperatures, with a minimum of 13°C (56°F) and a maximum of 29°C (85°F), averaging 20°C (69°F). Precipitation during this month is much lower, at 49 mm (1.9 in) over just 7 days, and the humidity remains relatively stable at 76%. For more details, you can check Mangaratiba weather in July.
December and August showcase distinct weather characteristics. In December, temperatures range from a minimum of 18°C (65°F) to a maximum of 32°C (90°F), with an average of 24°C (76°F). This month experiences higher rainfall, accumulating 199 mm (7.8 in) over 21 days, contributing to a humidity level of 75%. In contrast, August presents milder temperatures, with a minimum of 14°C (57°F) and a maximum of 31°C (89°F), averaging 20°C (69°F). Rainfall is significantly less, totaling 88 mm (3.5 in) across 11 days, and humidity is slightly lower at 73%. For more specific details on August weather, you can refer to Mangaratiba weather in August.
In December, the weather is generally warmer with average temperatures ranging from a minimum of 18°C (65°F) to a maximum of 32°C (90°F). This month also sees significantly higher precipitation, with about 199 mm (7.8 in) spread over 21 days, resulting in a humid environment with humidity levels around 75%. In contrast, September offers slightly cooler temperatures, averaging between 16°C (61°F) and 34°C (93°F), and experiences much less rainfall, with only 78 mm (3.1 in) over 11 days and a lower humidity of 68%. For those interested in a detailed overview of weather conditions during this period, you can refer to Mangaratiba weather in September.
In comparing December and October, we see some notable differences in weather patterns. December experiences slightly warmer temperatures, with an average of 24°C (76°F) and a high of 32°C (90°F), while October averages 23°C (73°F) with a maximum of 34°C (94°F). Precipitation is more pronounced in December, with 199 mm (7.8 in) over 21 days, compared to October's 132 mm (5.2 in) over 17 days. Additionally, December exhibits higher humidity at 75%, whereas October has a lower humidity level of 61%. For more detailed information, you can check Mangaratiba weather in October.
In comparing the weather of December and November, December tends to be slightly warmer, with an average temperature of 24°C (76°F) compared to November's 23°C (73°F). Both months experience similar maximum temperatures of 32°C (90°F), but December has slightly higher minimum temperatures, averaging 18°C (65°F) versus November's 16°C (62°F). Precipitation increases in December, with 199 mm (7.8 in) recorded over 21 days, compared to November's 167 mm (6.6 in) over 18 days, resulting in a higher humidity level of 75% in December compared to 72% in November. For more detailed insights on November weather, visit Mangaratiba weather in November.
December in Mangaratiba ushers in warm, tropical conditions that set it apart from the cooler months of the year. With temperatures reaching up to 32°C (90°F), the month is characterized by a pleasant warmth that invites outdoor activities. However, this warmth is accompanied by increased humidity and approximately 21 days of rainfall, contributing to a lush environment that contrasts with the drier and cooler periods preceding it. As such, December is a month of vibrant weather patterns, making it ideal for those looking to experience the beauty of Mangaratiba's natural landscape in full bloom. To learn more about what to expect throughout the year, visit Mangaratiba Climate.