Last updated: August 21, 2025
December in Brasilia, Brazil welcomes the summer heat with maximum temperatures reaching up to 32°C (90°F) and an average of 22°C (72°F), ensuring warm days for residents and visitors alike. However, the weather can be quite humid, with humidity levels around 70%, making the air feel even warmer. Rainfall is a notable feature this month, with an average precipitation amount of 243 mm (9.6 in) spread over approximately 22 days, providing much-needed moisture to the region. With such dynamic weather patterns, December offers a blend of summer warmth and the refreshing bursts of rain that characterize this vibrant city.
In Brasilia, Brazil, December marks a transition into the hot summer months, characterized by warm temperatures that make it an inviting destination. The minimum temperature hovers around 16°C (61°F), providing a comfortable backdrop for outdoor activities early in the morning. As the day progresses, the average temperature reaches about 22°C (72°F), perfect for enjoying the city’s vibrant atmosphere. By midday, temperatures can soar to a maximum of 32°C (90°F), bringing the heat typical of this climate. The trend of rising temperatures from the previous months culminates in December, contributing to the city's lively summer ambiance and making it an ideal time for exploring Brasilia's remarkable architecture and lush parks.
In Brasilia, Brazil, December marks a significant precipitation peak in the annual cycle, with 243 mm (about 9.6 inches) of rainfall over 22 days. This month stands out as one of the wettest, following closely behind February, which typically receives 259 mm. The rainy season's progression is evident as December shows a considerable increase from the drier months earlier in the year, notably May and June, where rainfall plummeted to just 19 mm and 1 mm, respectively. As the year wraps up, December's contributions not only highlight the shift back into a wet climate but also support the lush, green landscapes that define Brasilia's charm. This uptick in rainfall serves as a reminder of the region's seasonal fluctuations and the vital role precipitation plays in sustaining its ecosystem.
In December, humidity in Brasilia, Brazil averages around 70%, marking a noticeable increase compared to the drier months that precede it. As the year progresses, a clear trend emerges: from the peak humidity of 90% in March, levels gradually decline, reaching their lowest point at just 26% in October. However, as the year draws to a close, the humidity levels rise again, signaling the onset of the rainy season. This fluctuation not only shapes the city's climate but also influences the local flora and fauna, creating a vibrant atmosphere as the end of the year approaches.
In December, Brasilia experiences the peak of its sunshine season, characterized by a relentless UV Index of 16, classified as extreme. This high level of UV radiation requires vigilant solar protection, as individuals can burn in just 10 minutes of exposure. Interestingly, December ties with January and February for the highest UV levels throughout the year, showcasing a consistent trend of intense sunlight during these summer months. As the year transitions, UV levels decrease slightly from early autumn to mid-winter, but the potential for skin damage remains significant well into the fall. With this understanding, it’s crucial for residents and visitors to take appropriate measures to safeguard their skin throughout December. For more detailed information, check the comprehensive UV data at Brasilia UV Index.
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In Brasilia, Brazil, December welcomes an average of 297 hours of sunshine, part of a year characterized by an overall upward trend in daylight hours. Starting from 263 hours in January, the sunshine hours steadily rise, peaking in August with 334 hours before tapering off in the fall. This gradual increase, particularly pronounced from May through August, fosters a vibrant atmosphere perfect for exploring the city's iconic architecture under clear blue skies. December’s sunshine, while slightly less than in the peak months, still ensures that the festive season shines brightly, inviting both locals and visitors to enjoy the city's warm climate and captivating sights.
In Brasilia, Brazil, the chances of enjoying sunny weather in December are relatively low, with only a 16% likelihood of clear skies. This trend follows a significant dip in sunshine during the months leading up to the year's end, particularly in November, where the chance plummets to just 7%. As the year progresses, the probability of sun increases dramatically, peaking in the midyear months, with July boasting an impressive 91% chance of sunshine. In contrast, as December approaches, the comforting predictability of sunny July feels quite distant, signaling a seasonal transition that leaves the capital residents with a much dimmer outlook for late-year sunlight.
In Brasilia, Brazil, the daylight duration follows a captivating rhythm throughout the year. From January to March, residents enjoy a consistent 12 hours of daylight, creating a sense of equilibrium. As the year progresses into April and May, daylight slightly decreases to 11 hours, hinting at the gradual transition towards the cooler months. This pattern holds until August, where daylight remains at 11 hours. However, as September approaches, the days begin to lengthen again, returning to 12 hours. This trend culminates in December, when daylight reaches its peak at an impressive 13 hours, inviting the festive spirit of summer to shine brightly across the city. The seasonal variations not only enrich the daily experience but also mark significant shifts in Brasilia's vibrant lifestyle.
In Brasilia, Brazil, the winds of December gently embrace the city with an average speed of 1.8 m/s (4 mph), marking a noticeable decline after a summer that saw a steady increase in wind strength from January through August. Notably, the months transitioning into the rainy season, such as November, experienced winds around 2.2 m/s, but as December rolls in, the breezier days of summer give way to a calmer atmosphere. This trend reflects a broader pattern, where wind speeds gradually rise from the cooler, drier months of early winter to culminate in the breezy spell of late winter, reminding residents that the serene, sweeping gusts of December are merely a pause before the winds pick up again in the new year.
Weather in Brasilia varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Brasilia, focusing on differences in temperature, rainfall, humidity, and UV levels.
In December, the weather typically features warm temperatures with a minimum of 16°C (61°F) and an average of 22°C (72°F), peaking at a maximum of 32°C (90°F). The month is characterized by significant precipitation, totaling 243 mm (9.6 in) over 22 days, and a humidity level of 70%. In contrast, January maintains a similar temperature range, with a minimum of 16°C (60°F), an average of 23°C (73°F), and a maximum still reaching 32°C (90°F). However, January experiences considerably less rainfall, at 124 mm (4.9 in) across just 14 days, accompanied by a higher humidity of 86%. For a more detailed look at January weather, check out Brasilia weather in January.
December and February exhibit similar temperature ranges, with both months enjoying an average temperature of 22°C (72°F) and maximum temperatures reaching up to 32°C (90°F) in December and 32°C (91°F) in February. However, February experiences slightly higher humidity at 89%, compared to December's 70%. Additionally, precipitation increases in February, totaling 259 mm (10.2 in) over 21 days, while December sees 243 mm (9.6 in) across 22 days. For a closer look at February weather conditions, visit Brasilia weather in February.
In December, the weather features a warm temperature range from a minimum of 16°C (61°F) to a maximum of 32°C (90°F), with an average of 22°C (72°F). The month experiences significant rainfall, totaling 243 mm (9.6 in) over 22 days, accompanied by 70% humidity. In contrast, March exhibits similar temperature variations with a minimum of 16°C (61°F), an average of 22°C (72°F), and a maximum of 32°C (90°F). However, it sees less precipitation, totaling 187 mm (7.4 in) over 20 days, and higher humidity at 90%. For more detailed weather insights, you can check out Brasilia weather in March.
In December, the weather in Brasilia typically features warmer temperatures, ranging from a minimum of 16°C (61°F) to a maximum of 32°C (90°F), with an average temperature of 22°C (72°F). However, it also experiences significantly higher precipitation, averaging 243 mm (9.6 in) across 22 rainy days, contributing to a humidity level of about 70%. In contrast, April offers slightly cooler temperatures with a minimum of 15°C (58°F) and a maximum of 31°C (87°F), maintaining the same average of 22°C (72°F). The month sees much less rainfall, with total precipitation of 104 mm (4.1 in) over 14 days and higher humidity at 82%. For more information on April weather, check Brasilia weather in April.
December weather is characterized by warmer temperatures, with a minimum of 16°C (61°F) and an average of 22°C (72°F), peaking at a maximum of 32°C (90°F). This month is also notably wet, receiving 243 mm (9.6 in) of rainfall over 22 days, while humidity levels hover around 70%. In contrast, May offers a much cooler climate, starting at a minimum of 5°C (41°F) and averaging 21°C (70°F), with highs reaching 29°C (84°F). This month is significantly drier, with only 19 mm (0.7 in) of precipitation recorded over just 3 days and a lower humidity level of 65%. For more details about the conditions in May, you can visit Brasilia weather in May.
In December, the weather tends to be warmer and more humid, with temperatures ranging from a minimum of 16°C (61°F) to a maximum of 32°C (90°F) and an average of 22°C (72°F). This month also experiences significant rainfall, with 243 mm (9.6 in) of precipitation spread over 22 days, contributing to a humidity level of 70%. In contrast, June brings cooler and drier conditions, with temperatures ranging from a minimum of 10°C (50°F) to a maximum of 29°C (85°F) and a comfortable average of 20°C (69°F). Remarkably, June sees only 1 mm (0.1 in) of precipitation, resulting in 0 days of rain and a lower humidity level of 59%. For more detailed information on June weather, you can visit Brasilia weather in June.
December and July offer starkly contrasting weather experiences. In December, temperatures range from a minimum of 16°C (61°F) to a maximum of 32°C (90°F), with an average of 22°C (72°F). This month is characterized by high humidity at 70% and significant rainfall, with approximately 243 mm (9.6 in) of precipitation spread over 22 days. In contrast, July features cooler temperatures, with a minimum of 8°C (47°F) and a maximum of 29°C (85°F), averaging 19°C (67°F). July is dry, boasting no recorded rainfall and lower humidity at 53%. For a detailed view of July's climate, you can check Brasilia weather in July.
December and August in Brasilia exhibit distinctly different weather patterns. December tends to be warmer, with temperatures ranging from a minimum of 16°C (61°F) to a maximum of 32°C (90°F), and an average of 22°C (72°F). However, it also experiences a significant amount of rainfall, with 243 mm (9.6 in) of precipitation spread over 22 days, contributing to a higher humidity level of 70%.
In contrast, August's weather is cooler and drier. The temperatures are slightly lower, with a minimum of 11°C (52°F) and the same maximum of 32°C (90°F), while maintaining an average of 22°C (72°F). Notably, August sees almost no precipitation, recording only 3 mm (0.1 in) across the entire month, which results in a much lower humidity of 44%. For more specifics on August weather, you can refer to Brasilia weather in August.
December and September exhibit contrasting weather patterns. In December, temperatures range from a cooler minimum of 16°C (61°F) to a maximum of 32°C (90°F), with an average of 22°C (72°F). This month is characterized by significant rainfall, totaling 243 mm (9.6 in) spread over 22 days, contributing to a humidity level of 70%. In contrast, September boasts slightly lower temperatures, with a minimum of 13°C (56°F) and a maximum of 35°C (96°F), averaging 24°C (76°F). Remarkably, September experiences only 12 mm (0.5 in) of precipitation over just 2 days, resulting in much lower humidity at 34%. For more details, check out Brasilia weather in September.
When comparing the weather in December and October, notable differences emerge in both temperature and precipitation. December experiences a milder temperature range, with averages around 22°C (72°F) compared to October's warmer average of 25°C (76°F). However, October can reach a maximum of 36°C (98°F), significantly higher than December's peak of 32°C (90°F). Precipitation also varies greatly; December sees much higher rainfall at 243 mm (9.6 in) over 22 days, while October has only 100 mm (3.9 in) across 14 days. Additionally, humidity levels in December sit at a higher 70%, contrasting with October's much drier 26%. For a more in-depth look at October's conditions, you can check Brasilia weather in October.
In comparing the weather of December and November, we can observe some notable differences. December experiences slightly cooler minimum temperatures, with lows of 16°C (61°F) compared to November's 17°C (62°F). Both months share an average temperature of 22°C (72°F), but December's maximum temperature reaches a high of 32°C (90°F), slightly less than November's peak of 33°C (92°F). Precipitation is notably higher in December, totaling 243 mm (9.6 in) over 22 days, while November records 199 mm (7.9 in) of rain, also across 22 days. Additionally, December has a higher humidity level at 70% compared to November's 50%. For more detailed information on November weather, you can visit Brasilia weather in November.
As December unfolds in Brasilia, the city experiences a warm embrace with an average temperature that hovers around 22°C (72°F), peaking at a maximum of 32°C (90°F). This month is characterized by increased humidity and frequent rain, with precipitation occurring on 22 days and accumulating to about 243 mm (9.6 in). Compared to the drier months preceding it, December’s weather feels notably more tropical, creating a lively atmosphere perfect for enjoying the lush surroundings. For those curious about the climate trends and variations throughout the year, detailed information can be found at Brasilia Climate.