Last updated: August 21, 2025
December in Arraial do Cabo, Brazil, presents a warm and inviting climate, with maximum temperatures reaching 27°C (80°F) and an average hovering around 24°C (75°F). Visitors can expect a mild minimum of 21°C (70°F), perfect for outdoor exploration. However, with an average precipitation amount of 101 mm (4.0 in) over 10 days, occasional rain showers may weave through the sunshine. Humidity levels sit at a comfortable 81%, creating a lush atmosphere ideal for enjoying the stunning coastal scenery and vibrant marine life.
In December, Arraial do Cabo, Brazil, showcases a delightful tropical climate, with temperatures that evoke the essence of summer. As the month unfolds, the minimum temperatures hover around a comfortable 21°C (70°F), while the average reaches a pleasant 24°C (75°F). Revelers can bask in warmer days, with maximums peaking at 27°C (80°F), signaling an inviting atmosphere for beachgoers and nature enthusiasts alike. This slight uptick in warmth transitions smoothly from November, reflecting a trend of increasing temperatures as the year draws to a close. Overall, December offers an ideal snapshot of summer in Arraial do Cabo, perfect for enjoying its stunning coastal beauty.
December in Arraial do Cabo sees a notable increase in precipitation, with 101 mm (4.0 in) of rain recorded over approximately 10 days. This month wraps up the year with rainfall levels that are slightly lower than the peak observed in November, which experienced a significant 109 mm (4.3 in) across 13 days. Interestingly, December's rainfall contributes to a consistent trend of increased precipitation during the final months of the year, transitioning from the drier spells of earlier months like July and August, which had only 27 mm (1.1 in) and 50 mm (2.0 in), respectively. As the holiday season approaches, the shift to wetter weather in December resonates with the overall pattern of growing rainfall, making it a key month for the region's climate dynamics.
In Arraial do Cabo, Brazil, December welcomes a humidity level of 81%, marking it as one of the wetter months as the year draws to a close. This slight rise from October's 74% reflects a subtle trend of increasing humidity during the final quarter, particularly noticeable when compared to the summer months of January and February, which boast humidity levels of 85% and 86% respectively. As the year progresses from the drier conditions in mid-year—where numbers dipped to a comfortable 75% in August and September—December ushers in a more humid atmosphere, setting the stage for the vibrant landscapes and lush vegetation that characterizes this beautiful coastal town during the summer season.
In December, Arraial do Cabo experiences a UV Index of 15, marking a return to the extreme exposure category with a burn time of just 10 minutes. This reflects a noticeable trend during the summer months, where the UV Index remains consistently high, peaking at 16 in January and maintaining elevated levels through February and March. After a brief dip in April and May, the UV Index climbs back to extreme levels, signifying that both locals and visitors should take UV protection seriously during this time. With this increase in intensity, it is crucial to remain vigilant and prepared to enjoy the beautiful beaches safely. For more details on UV levels year-round, visit the Arraial do Cabo UV Index.
UV Risk Categories
December in Arraial do Cabo, Brazil, is a true paradise for sun-seekers, boasting an impressive 336 hours of sunlight. This marks the peak of the year, outshining previous months and embracing the festive spirit with warmth and brightness. As the year transitions to colder months in the southern hemisphere, December's vibrant sunshine continues a trend of increasing daylight, culminating a steady rise from 289 hours in May to this month's peak, marking a notable shift in energy and ambiance. With each passing month, the sunlight has consistently hovered around the 300-hour mark, yet December stands out, inviting both locals and visitors to bask in its golden glow and enjoy the stunning beaches that thrive under the sun’s embrace.
In Arraial do Cabo, Brazil, December presents a 46% chance of sunny weather, which suggests a promising start to the summer season. This likelihood is slightly above the lower months of October and November, which see their chances dip to 24% and 40% respectively. Interestingly, as the year progresses, there seems to be a gradual upward trend in sunshine potential, with figures steadily increasing from the more muted winter months of May through November. This aligns with the overall pattern of sunny weather peaking in the mid-year, particularly in July at 64%. While December may not boast the highest probability for sun, it certainly hints at the exciting warmth and brightness to come as the year draws to a close.
In Arraial do Cabo, Brazil, December dazzles with an inviting 13 hours of daylight, offering a perfect backdrop for sun-soaked adventures and picturesque beach days. As the year unfolds, the trend reveals a gentle tapering of daylight hours from January through April, where they dwindle from 13 to 11 hours. Following this, the summer months witness a resurgence, as daylight stretches back to 13 hours in both December and November. This annual rhythm beautifully encapsulates the transition from vibrant summer energy to the cooler autumnal embrace, inviting visitors and locals alike to savor the natural beauty that thrives under the Brazilian sun.
As December unfolds in Arraial do Cabo, the average wind speed settles at 5.1 m/s (12 mph), marking a gentle breeze that contrasts with the stronger gusts seen in mid-year. This month demonstrates a noticeable dip from the 7.6 m/s (17 mph) peak in August and a steady decline from the higher winds of spring and early summer. The wind begins to soften as the year winds down, creating a tranquil environment perfect for exploring the stunning coastal beauty. While December's breeze is milder than the previous months, it still offers a refreshing touch, inviting both adventure seekers and relaxation enthusiasts to enjoy this picturesque locale.
Weather in Arraial do Cabo varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Arraial do Cabo, focusing on differences in temperature, rainfall, humidity, and UV levels.
In December, the weather is warm and humid, with temperatures ranging from a minimum of 21°C (70°F) to a maximum of 27°C (80°F) and an average of 24°C (75°F). Precipitation is relatively high, with 101 mm (4.0 in) falling over 10 days. By contrast, January experiences slightly warmer temperatures, with a minimum of 21°C (71°F), an average of 25°C (77°F), and a maximum of 28°C (83°F). Additionally, January sees a significant decrease in rainfall, with only 38 mm (1.5 in) over just 4 days. The humidity remains high in both months, peaking at 85% in January compared to December's 81%. For more detailed insights, you can check Arraial do Cabo weather in January.
December and February showcase warm tropical weather, but with some notable differences. In December, temperatures range from a minimum of 21°C (70°F) to a maximum of 27°C (80°F), with an average of 24°C (75°F). The month sees higher precipitation, totaling 101 mm (4.0 in) over about 10 days, and humidity levels hover around 81%. In contrast, February experiences slightly warmer conditions, with average temperatures of 25°C (77°F) and maximums reaching 29°C (84°F). Precipitation decreases to 77 mm (3.0 in) over 9 days, while humidity climbs to 86%. For a more detailed look at February's climate, check out Arraial do Cabo weather in February.
In December, the weather in Arraial do Cabo is warm, with temperatures ranging from a minimum of 21°C (70°F) to a maximum of 27°C (80°F), and an average of 24°C (75°F). The month experiences about 101 mm (4.0 in) of precipitation over approximately 10 days, complemented by a humidity level of 81%. In contrast, March sees slightly warmer conditions, with temperatures starting at a minimum of 22°C (72°F) and peaking at 29°C (84°F), averaging around 25°C (78°F). The precipitation increases to 126 mm (5.0 in) over 11 days, and humidity rises marginally to 84%. For a detailed overview of March weather, you can check out Arraial do Cabo weather in March.
In December, the weather remains warm with temperatures ranging from a minimum of 21°C (70°F) to a maximum of 27°C (80°F) and an average of 24°C (75°F). The month sees significant precipitation, totaling 101 mm (4.0 in), spread over approximately 10 days, contributing to a humidity level of 81%. In contrast, April experiences slightly warmer maximum temperatures, reaching up to 28°C (83°F), while maintaining a similar minimum temperature. The average temperature in April is around 24°C (76°F), but with much less rainfall, totaling 51 mm (2.0 in) over 12 days, resulting in a humidity level of 82%. For more detailed insights about the weather in April, you can visit Arraial do Cabo weather in April.
In December, the weather tends to be slightly warmer, with average temperatures ranging from a minimum of 21°C (70°F) to a maximum of 27°C (80°F) and an average of 24°C (75°F). This month experiences about 101 mm (4.0 in) of precipitation over approximately 10 days, accompanied by a humidity level of 81%. In contrast, May offers a slightly cooler climate, with temperatures ranging from a minimum of 19°C (66°F) to a maximum of 27°C (82°F), averaging around 23°C (74°F). The precipitation in May is lower, totaling 73 mm (2.9 in) over 9 days, with humidity at a comparable 80%. For more detailed insights into the weather during this month, you can visit Arraial do Cabo weather in May.
When comparing the weather in December and June, December tends to be slightly warmer, with temperatures averaging around 24°C (75°F) compared to June's average of 22°C (73°F). Both months experience similar maximum temperatures at 27°C (80°F), but December has a higher minimum temperature of 21°C (70°F) versus June's 19°C (67°F). Precipitation is notably greater in December, with 101 mm (4.0 in) falling over 10 days, while June sees only 41 mm (1.6 in) over 8 days. Additionally, humidity levels are a bit higher in December at 81%, compared to 78% in June. For more detailed insights, check out Arraial do Cabo weather in June.
In December, the weather is generally warmer with temperatures ranging from a minimum of 21°C (70°F) to a maximum of 27°C (80°F), and an average temperature of 24°C (75°F). The month experiences higher precipitation, totaling 101 mm (4.0 in) over about 10 days, and has a humidity level of 81%. In contrast, July sees cooler temperatures, with a minimum of 17°C (63°F) and a maximum of 26°C (79°F), averaging 21°C (71°F). Precipitation is significantly lower in July at 27 mm (1.1 in) across approximately 6 days, complemented by a slightly lower humidity of 77%. For a detailed look at July's weather in Arraial do Cabo, you can visit Arraial do Cabo weather in July.
In December, Arraial do Cabo experiences warmer weather with average temperatures ranging from 21°C (70°F) to a maximum of 27°C (80°F), along with higher humidity levels at 81%. This month is also characterized by greater precipitation, totaling 101 mm (4.0 in) over approximately 10 days. In contrast, August offers milder conditions, with temperature averages between 17°C (63°F) and 26°C (78°F), and relatively lower humidity at 75%. Precipitation is also reduced in August, with only 50 mm (2.0 in) over 9 days. For a closer look at August weather conditions, you can visit Arraial do Cabo weather in August.
In December, the weather is generally warmer compared to September, with average temperatures ranging from a minimum of 21°C (70°F) to a maximum of 27°C (80°F). In contrast, September sees slightly cooler temperatures, with averages from 19°C (67°F) to 26°C (78°F). December also brings significantly more precipitation, averaging 101 mm (4.0 in) over 10 days, whereas September tends to be drier, with only 41 mm (1.6 in) falling over 5 days. Additionally, the humidity levels are higher in December at 81%, compared to September's 75%. For more detailed information, check out Arraial do Cabo weather in September.
When comparing the weather in December to October, we see a noticeable increase in temperature. December boasts a minimum temperature of 21°C (70°F) and an average of 24°C (75°F), while October offers slightly cooler temperatures with a minimum of 18°C (64°F) and an average of 22°C (73°F). The maximum temperatures in December also reach up to 27°C (80°F), compared to October's maximum of 26°C (79°F). However, December experiences more precipitation, averaging 101 mm (4.0 in) over 10 days, compared to October's 67 mm (2.6 in) over 11 days. Humidity levels are higher in December at 81%, whereas October sees a lower humidity of 74%. For a more detailed look at conditions in October, you can visit Arraial do Cabo weather in October.
In December, the weather in Arraial do Cabo is slightly warmer than in November, with average temperatures ranging from a minimum of 21°C (70°F) to a maximum of 27°C (80°F), compared to November's range of 20°C (68°F) to 27°C (80°F). While both months experience similar maximum temperatures, December sees an increase in average temperature by 1°C (2°F). Precipitation in December is also slightly lower at 101 mm (4.0 in) over 10 days, compared to November's 109 mm (4.3 in) over 13 days. Humidity remains relatively high in both months, with December at 81% and November at 79%. For more detailed insights into November's climate, you can check the link: Arraial do Cabo weather in November.
As December unfolds in Arraial do Cabo, the weather becomes a delightful blend of warmth and moisture, distinguishing it from the drier months that precede it. Temperatures frequently reach a pleasant 27°C (80°F), inviting visitors to enjoy the stunning coastal scenery. However, this month also brings an increase in humidity, averaging around 81%, and a noticeable uptick in precipitation, with about 101 mm falling over 10 days. This combination creates a vibrant, lush environment, making December an enchanting time to experience the natural beauty of the region. For those keen on exploring the seasonal nuances, further details can be found at Arraial do Cabo Climate.