Last updated: August 21, 2025
In January, Angra dos Reis, Brazil, experiences a tropical climate characterized by warm temperatures and high humidity. With maximums peaking at 33°C (91°F) and an average of 25°C (77°F), visitors can expect a pleasant environment, albeit with a minimum dip to 19°C (67°F) during cooler nights. This month also brings substantial rainfall, averaging 239 mm (9.4 in) over 20 days, contributing to the region's lush landscapes. The humidity level hovers around 85%, enhancing the tropical feel, making January a vibrant yet rainy period for this picturesque coastal destination.
In Angra dos Reis, Brazil, January showcases a delightful tropical climate, with temperatures ranging from a refreshing 19°C (67°F) at night to a warm 33°C (91°F) during the day, offering the perfect backdrop for beach activities. As the month transitions into February, the minimum temperature slightly rises to 20°C (68°F), while the average dips to 24°C (76°F), hinting at the gradual cooling trend that continues into March. Interestingly, although March has similar nightly lows as January, its peak is just a degree lower at 31°C (88°F). The subsequent months reveal a notable decline in temperatures, with April and May experiencing cooler nights and afternoons, particularly as the mercury in May drops to a maximum of 29°C (84°F). By July, the cooler winter months set in, with minimums reaching as low as 11°C (52°F) and daytime highs capped at 28°C (83°F). However, as spring approaches in September, temperatures begin to rise again, culminating in increasingly warm days that peak again at 34°C (94°F) by October. Overall, this remarkable fluctuation from summer warmth to winter cool showcases the region's dynamic climate, making it an alluring destination year-round.
In Angra dos Reis, Brazil, January marks the peak of the rainy season, with an impressive 239 mm (9.4 in) of precipitation over 20 days, creating a lush and vibrant landscape. This significant rainfall sets the tone for February, which sees an increase to 255 mm (10.0 in) as the wettest month, accompanied by 22 rainy days. As the season progresses into March, the precipitation slightly decreases to 250 mm (9.8 in), yet remains substantial. Notably, this trio of months contrasts sharply with the drier winter months, where rainfall drops significantly—April sees just 125 mm (4.9 in) over 17 days, while July offers a mere 49 mm (1.9 in) across 7 days. By October and November, the rainfall starts to rise again, but none of the months can rival the wetness experienced at the beginning of the year. This consistent pattern of dry and wet seasons characterizes Angra dos Reis' tropical climate, fostering diverse ecosystems and a scenic environment for visitors and locals alike.
In January, Angra dos Reis experiences a high humidity level of 85%, setting the tone for a moist summer that continues into February. As the months progress, humidity gradually increases to 86% in March, before beginning a steady decline. By April, humidity dips slightly to 83%, and this trend continues, reaching a low of 61% by October. The atmosphere remains comparatively drier through the latter part of the year, with levels stabilizing around 72% in November and 75% in December. This fluctuation illustrates a typical tropical climate pattern, where a relatively high humidity envelops the summer months, before giving way to drier and more comfortable conditions as the year winds down.
In January, the UV Index in Angra dos Reis, Brazil, reaches a staggering 16, marking it as an extreme exposure category where even short sun exposure can lead to skin damage in just 10 minutes. This intensity remains consistent through February, showing values of 15, before easing slightly in March and April to 13 and 11, respectively, still categorized as extreme. As the year progresses, there’s a notable drop in UV intensity, with the Index dipping to 8 in May, signifying a transition to very high exposure, allowing for a bit more sunbathe time at 15 minutes. The pattern continues into the following months, showing values between 6 and 9, before climbing back in the latter part of the year, with several months returning to an extreme classification. This showcases the need for continuous sun protection, particularly during the peak months. For more detailed information on UV indexes throughout the year, visit Angra dos Reis UV Index.
UV Risk Categories
In January, Angra dos Reis basks in approximately 240 hours of sunshine, marking the beginning of a vibrant year. As the months progress, sunshine hours steadily increase, peaking in March with a stunning 293 hours. Following this high, there's a slight decrease in April and May, but the sun continues to shine brightly overall, maintaining an average of over 270 hours from June through August. July stands out with a notable 290 hours of sunshine, before tapering slightly in the fall months. Remarkably, sunshine hours hover around similar counts in October and November, showcasing the consistent appeal of this Brazilian paradise. By December, Angra dos Reis wraps up the year on a high note with 285 hours, ensuring that the warmth and light of the sun are cherished throughout the seasons.
In Angra dos Reis, Brazil, January experiences a moderate 24% chance of sunny weather, signaling the start of the year with a touch of uncertainty. As the months progress, there is a noticeable upward trend in sunshine opportunities, with February slightly improving to 29%. However, only with the onset of March does the likelihood of sunny days grow significantly, reaching 42%, and continuing to rise through the following months. By the time July arrives, visitors can bask in the sun with a promising 56% chance, making it the peak of sunny weather in this tropical paradise. Consequently, if you seek more consistent sunshine, consider planning your visit in mid-year rather than at the beginning, when the weather tends to be less predictable.
In January, Angra dos Reis basks in a generous 13 hours of daylight, setting the stage for summer adventures under the sun. As the year progresses into February and March, daylight remains plentiful at 12 hours, offering plenty of time for exploration and relaxation. However, by April, daylight begins to wane slightly, dropping to 11 hours, and continues to taper off through the cooler months of May, June, and July, where it stabilizes at 10 hours. As winter fades and spring approaches, daylight gradually increases again in August and September, returning to 11 hours. October sees another slight uptick to 12 hours, while daylight peaks once more in November and December, seamlessly transitioning back to 13 hours. This rhythmic pattern of daylight not only enhances the beauty of Angra dos Reis but also enriches the vibrant experiences found in this coastal paradise throughout the year.
In Angra dos Reis, January greets visitors with a gentle average wind speed of 2.0 m/s (5 mph), setting a tranquil tone for the new year. As the summer months unfold, this mild breeze remains relatively stable in February and March, barely shifting to 1.9 m/s (4 mph). However, a noticeable increase in wind speed emerges in April, climbing to 2.6 m/s (6 mph), hinting at the gradual transition towards the more breezy conditions that follow. This trend continues, with August and September seeing winds at a robust 2.9 m/s (7 mph). By the time October rolls around, wind speeds peak at 3.2 m/s (7 mph), before tapering off slightly as the year closes. Overall, January’s calmness is part of a broader pattern of fluctuating winds, each month contributing to the dynamic climate that characterizes this stunning coastal region.
Weather in Angra dos Reis varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Angra dos Reis, focusing on differences in temperature, rainfall, humidity, and UV levels.
January and February both experience warm temperatures, but January is slightly hotter overall. In January, the minimum temperature is 19°C (67°F) with an average temperature of 25°C (77°F) and a maximum of 33°C (91°F). In contrast, February sees a minimum temperature of 20°C (68°F), an average of 24°C (76°F), and a maximum of 32°C (91°F). Precipitation levels are also notable, with January receiving 239 mm (9.4 in) over 20 days, while February sees an increase in rainfall to 255 mm (10.0 in) over 22 days, maintaining a consistent humidity level of 85% in both months. For more details, you can check Angra dos Reis weather in February.
In comparing the weather between January and March, there are some notable similarities and differences. Both months feature a minimum temperature of around 19°C (66-67°F), but January has a slightly higher average temperature of 25°C (77°F) compared to March's 24°C (76°F). The maximum temperatures reflect a similar trend, with January reaching up to 33°C (91°F) and March peaking at 31°C (88°F).
In terms of precipitation, March sees a slight increase with 250 mm (9.8 in), while January has 239 mm (9.4 in), and both months experience a comparable number of rainy days—22 in March versus 20 in January. Humidity levels are also quite close, with March at 86% and January at 85%. Overall, while the temperatures remain relatively consistent, March does experience slightly wetter conditions. For more detailed insights, you can check Angra dos Reis weather in March.
In January, Angra dos Reis experiences warmer weather with temperatures ranging from a minimum of 19°C (67°F) to a maximum of 33°C (91°F) and an average of 25°C (77°F). The month is characterized by high humidity at 85% and significant rainfall, accumulating 239 mm (9.4 in) over 20 days. In contrast, April sees a slight dip in temperature, with minimums of 17°C (63°F), an average of 22°C (72°F), and maximums reaching 32°C (89°F). Precipitation in April is notably lower at 125 mm (4.9 in) over just 17 days, and humidity remains relatively consistent at 83%. For more detailed information on the weather in April, you can check Angra dos Reis weather in April.
In January, temperatures in Angra dos Reis are generally warmer, with a minimum of 19°C (67°F) and reaching up to a maximum of 33°C (91°F). The month experiences significant precipitation, totaling 239 mm (9.4 in) over approximately 20 days, resulting in high humidity levels of 85%. In contrast, May offers milder weather, with temperatures ranging from a minimum of 13°C (56°F) to a maximum of 29°C (84°F), and significantly less rain at 95 mm (3.7 in) spread across about 12 days. The humidity in May is slightly lower at 81%. For more detailed information, you can check Angra dos Reis weather in May.
January and June exhibit notable differences in weather patterns. January boasts warmer temperatures, with a minimum of 19°C (67°F) and an average of 25°C (77°F), reaching a maximum of 33°C (91°F). In contrast, June presents cooler conditions, with a minimum of 14°C (57°F) and an average of 20°C (69°F), peaking at 29°C (84°F). Additionally, January is considerably wetter, receiving 239 mm (9.4 in) of precipitation over 20 days, while June has a much lighter rainfall total of 60 mm (2.3 in) spread across just 10 days. Humidity is slightly lower in June at 80%, compared to January's 85%. For detailed insights, you can check out Angra dos Reis weather in June.
In January, the weather in Angra dos Reis is notably warmer with minimum temperatures around 19°C (67°F) and averages peaking at 25°C (77°F), reaching up to a maximum of 33°C (91°F). The month experiences significant rainfall, totaling 239 mm (9.4 in) over approximately 20 days, contributing to a high humidity level of 85%. In contrast, July presents a cooler climate, with minimum temperatures dropping to 11°C (52°F) and average highs around 19°C (66°F), capping at 28°C (83°F). Precipitation is considerably lower in July, measuring just 49 mm (1.9 in) over 7 days, and the humidity also decreases to 76%. For a detailed look at the weather during this month, you can check out Angra dos Reis weather in July.
In January, Angra dos Reis experiences a warmer climate, with temperatures ranging from a minimum of 19°C (67°F) to a maximum of 33°C (91°F) and an average of 25°C (77°F). The month sees significant rainfall, amounting to 239 mm (9.4 in) over 20 days, leading to high humidity levels of 85%. In contrast, August brings cooler temperatures, with a minimum of 12°C (55°F), an average of 19°C (67°F), and a maximum of 31°C (87°F). Precipitation drops considerably to 95 mm (3.7 in) over just 11 days, and the humidity decreases to 73%. For more details on August weather in Angra dos Reis, you can visit Angra dos Reis weather in August.
January and September exhibit notable contrasts in weather patterns. In January, temperatures range from a minimum of 19°C (67°F) to a maximum of 33°C (91°F), with an average of 25°C (77°F), making it one of the warmest months. This period also sees significant precipitation, with 239 mm (9.4 in) spread over 20 days and high humidity levels at around 85%. In contrast, September features milder temperatures, with a minimum of 15°C (58°F), an average of 21°C (70°F), and a maximum of 32°C (91°F). Precipitation is considerably lower at 84 mm (3.3 in) across just 10 days, accompanied by reduced humidity at 68%. For more specific insights, check out Angra dos Reis weather in September.
In January, the weather is characterized by warmer temperatures, with a minimum of 19°C (67°F), an average of 25°C (77°F), and a maximum reaching 33°C (91°F). This month also sees significant rainfall, totaling 239 mm (9.4 in) with precipitation occurring on about 20 days, contributing to a high humidity level of 85%. In contrast, October presents a slightly cooler climate, with minimum temperatures at 15°C (60°F), an average of 22°C (71°F), and a maximum of 34°C (94°F). Rainfall in October is reduced to 153 mm (6.0 in), while still experiencing precipitation over 20 days, but with a much lower humidity level of 61%. For more details on October weather, you can visit Angra dos Reis weather in October.
In January, Angra dos Reis experiences warmer temperatures with a minimum of 19°C (67°F), an average of 25°C (77°F), and a maximum reaching 33°C (91°F). The month is characterized by higher humidity levels at 85%, resulting in a more tropical feel. Additionally, January sees substantial rainfall, with 239 mm (9.4 in) over 20 days. In contrast, November features cooler temperatures, with a minimum of 15°C (60°F), an average of 22°C (71°F), and a maximum of 31°C (87°F). The humidity in November is lower at 72%, and precipitation amounts to 185 mm (7.3 in) also over 20 days. For more specific insights, check out Angra dos Reis weather in November.
When comparing the weather in January and December, January tends to be slightly warmer, with average temperatures reaching 25°C (77°F) compared to December's average of 23°C (74°F). The maximum daytime temperature in January can reach up to 33°C (91°F), while December peaks at 31°C (88°F). Both months experience a similar amount of precipitation, with January receiving 239 mm (9.4 in) over 20 days and December slightly less at 235 mm (9.3 in) across 24 days. Humidity levels are higher in January at 85%, compared to 75% in December, making January feel a bit more muggy. For more details, you can check Angra dos Reis weather in December.
As January unfolds in Angra dos Reis, the weather becomes a vibrant tapestry of warmth and humidity, distinguishing it from the more temperate months that surround it. With temperatures reaching their peak, the air is often thick with humidity that soars to 85%, making it feel even warmer. Though rain is frequent, with around 20 days of precipitation, these showers often provide a refreshing contrast to the high heat. This combination makes January a truly unique experience for visitors, combining the intensity of summer with tropical showers. For those keen on exploring more about the climatic nuances of this stunning locale, check out Angra dos Reis Climate.