December Weather in Serra Negra, Brazil

Last updated: August 21, 2025

Experience the vibrant December weather in Serra Negra, Brazil, where the average temperature hovers around a comfortable 24°C (75°F). As the mercury can soar to a maximum of 34°C (94°F), visitors can revel in warm days, perfect for exploring the lush landscapes. However, prepare for the frequent rains, as December sees around 162 mm (6.4 in) of precipitation over 18 days, contributing to the region's 80% humidity. This tropical climate creates a refreshing atmosphere ideal for enjoying the beauty of Serra Negra while staying cool amid the festive spirit of the season.

December Temperature in Serra Negra

In December, Serra Negra experiences a delightful transition as summer approaches, with temperatures ranging from a pleasant 14°C (57°F) at night to a comfortable 34°C (94°F) during the day. The average temperature hovers around 24°C (75°F), providing ideal conditions for outdoor activities and exploration. This month marks the tail end of the cooler season, showcasing a gradual increase in warmth compared to previous months, particularly when juxtaposed with the cooler temperatures of April and May. As the year winds down, the climate becomes perfect for visitors looking to enjoy the lush landscapes and vibrant culture of this charming Brazilian town.

December Weather in Serra Negra: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Serra Negra, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Serra Negra, December typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec757575716766646774747375
Data source: Temperature data for Serra Negra generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Serra Negra

In December, Serra Negra, Brazil, experiences a notable uptick in precipitation, with a total of 162 mm (6.4 in) of rain, making it one of the wetter months of the year. This increase is accompanied by a rise in rainy days, as December sees rainfall on 18 days, the highest frequency recorded for the year. Following the drier months of June and July, where precipitation dipped to an annual low of 10 mm (0.4 in), this shift heralds the onset of the wet season. Notably, the months leading up to December, particularly November with 146 mm (5.8 in), set the stage for this climatic transition, creating a rich tapestry of lush greenery and vibrant landscapes just in time for the holiday season.

December Precipitation Trends in Serra Negra

The chart displays monthly precipitation patterns in Serra Negra, with values for each month alongside December’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how December’s conditions compare to those of other months. In Serra Negra, December typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec198167111514423104140119146162
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Serra Negra

In Serra Negra, Brazil, December ushers in a notable shift in humidity, with levels reaching 80%. This marks a subtle rebound from the drier conditions of earlier months, especially post-October, when humidity dropped to its annual low of 50%. As the year progresses, humidity generally trends downward from the sweltering heights of 88% in January and February through the mid-year months, hitting a minimum in August at 65%. December’s moisture levels reflect a seasonal increase, likely influenced by the approaching summer, inviting a tropical feel back to the air as the region prepares for warmer days ahead. This cyclical dance of humidity showcases Serra Negra's unique climate transitions throughout the year.

December Average Humidity in Serra Negra

This chart illustrates the average monthly humidity levels in Serra Negra, with December’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In December, average humidity in Serra Negra is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%88%88%84%79%77%72%65%58%50%75%80%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Serra Negra

In Serra Negra, Brazil, the UV Index reaches its peak in December with an extreme rating of 16, mirroring the conditions observed in the preceding months of January and February. This alarming consistency highlights a persistent danger of sunburn within just 10 minutes of exposure. Following a slight dip in April, the UV levels gradually rise again towards the end of the year, showcasing a trend where extreme indices dominate the summer months. As the year transitions into the cooler months, the index dips but remains at a very high level during May and July, before climbing back up. Understanding this pattern is crucial for residents and visitors alike to stay sun-safe. For more detailed information, visit the Serra Negra UV Index.

Maximum UV Index Levels in Serra Negra for December

The chart shows the monthly maximum UV Index (UVI) for Serra Negra in December, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In December, the maximum UV index in Serra Negra typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec161613118681012141516
Data source: Serra Negra December UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

December Sunshine in Serra Negra

In Serra Negra, Brazil, the month of December shines brightly with an impressive 318 hours of sunlight, showcasing a continuation of longer days as the year draws to a close. This uplift in brightness caps off a consistently luminous year, with each month revealing a gradual increase in sunshine hours. February and March lead the charge, presenting the sunniest spells, while December stands out as one of the year's highlights, just shy of the maximum daylight in March. The latter half of the year maintains a robust pattern, as sunshine hours consistently range around 290 to 310, ensuring that Serra Negra basks in warmth and light as summer approaches. This trend not only elevates outdoor activities but also enhances the region's already vibrant culture and natural beauty.

Monthly Sunshine Duration in Serra Negra: December Highlighted

The December sunshine duration represents the total number of hours Serra Negra experiences direct sunlight during the month of December, excluding cloudy or obstructed periods. This chart compares the sunshine duration of December with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec237h279h319h304h296h284h313h303h310h299h306h318h
Data source: Serra Negra December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Serra Negra During December

In Serra Negra, Brazil, December offers a 48% chance of sunny weather, marking it as a transitional month in the annual climate pattern. As we progress into the year, the likelihood of sun generally peaks in the winter months, with July and August boasting the highest probabilities at 73% and 71%, respectively. In contrast, the earlier months of the year, particularly January at just 16%, showcase a distinctively lower likelihood of sunny days. This trend reflects a gradual increase in sunshine as the seasons change, culminating in a more favorable forecast for the vibrant summer months ahead. Thus, while December may not guarantee endless sunshine, it still offers a decent chance for enjoyable weather as the region moves into its warmer season.

Percentage of Sunny Days in December in Serra Negra

The chart illustrates the percentage of sunny days in Serra Negra throughout the year, with December highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Serra Negra experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec16%46%48%61%59%60%74%71%64%32%42%48%
Data source: Serra Negra December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Serra Negra in December

In Serra Negra, Brazil, the rhythm of daylight paints a vivid picture throughout the year. December shines brightly with 13 hours of daylight, mirroring the long days of January and November. As the seasons shift, daylight progressively decreases from a peak of 13 hours in the early months to 10 hours in the heart of winter, specifically in June and July. However, as spring approaches, there’s a gradual return to longer days, reaching 12 hours by October and signaling a warm welcome to summer. This cyclical dance of daylight not only influences the local climate but also enriches the vibrant culture of Serra Negra, making it a seasonal treasure for residents and visitors alike.

Average Daylight Hours in Serra Negra for December

The chart illustrates the variation in daylight duration in Serra Negra throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec13h 19m12h 49m12h 10m11h 32m11h10h 45m10h 53m11h 21m11h 58m12h 37m13h 11m13h 29m
Data source: Serra Negra daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Serra Negra

As December unfolds in Serra Negra, Brazil, the average wind speed registers at 2.4 m/s (5 mph), subtly reflecting a trend of increasing breeziness as the year draws to a close. Comparing this with earlier months, we notice a general rise in wind speeds during the latter half of the year, particularly peaking in September at 2.7 m/s (6 mph) and sustaining in the following months. Interestingly, December's winds maintain a gentle but invigorating pace, making it an ideal time for outdoor enthusiasts to enjoy the picturesque landscapes that Serra Negra has to offer. The overall pattern suggests a shift towards more spirited breezes, reminding us of nature's dynamism as the seasons transition.

Average December Wind Speed in Serra Negra

The chart displays monthly wind speed patterns in Serra Negra, with values for each month shown alongside December's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how December's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec1.91.91.72.21.92.02.22.52.72.52.62.4 m/s
Data source: Serra Negra December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Serra Negra Compares to Other Months

Weather in Serra Negra varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Serra Negra, focusing on differences in temperature, rainfall, humidity, and UV levels.

In comparing the weather of December and January, both months exhibit warm temperatures, with January showing slightly higher values. December's average temperature ranges from a minimum of 14°C (57°F) to a maximum of 34°C (94°F), while January sees a minimum of 15°C (60°F) and a maximum of 35°C (96°F). Precipitation levels increase in January, with 198 mm (7.8 in) over 17 days compared to December's 162 mm (6.4 in) over 18 days. Additionally, humidity rises in January to 88%, up from December's 80%. For more detailed weather specifics, check out Serra Negra weather in January.

In December, temperatures in Serra Negra range from a minimum of 14°C (57°F) to a maximum of 34°C (94°F), with an average of 24°C (75°F). The month sees significant rainfall, with 162 mm (6.4 in) distributed over 18 days, and humidity levels around 80%. In contrast, February experiences slightly warmer conditions, with minimum temperatures at 16°C (61°F) and maximum temperatures reaching up to 36°C (97°F), while maintaining the same average temperature of 24°C (75°F). Precipitation increases to 167 mm (6.6 in) over 15 days, and humidity rises to 88%. For more detailed weather information during February, check Serra Negra weather in February.

In December, the weather tends to be quite warm, with temperatures ranging from a minimum of 14°C (57°F) to a maximum of 34°C (94°F) and an average of 24°C (75°F). The month also sees significant precipitation, with 162 mm (6.4 in) spread over 18 days, leading to a relatively high humidity of 80%. In contrast, March offers similar temperatures, with a minimum of 14°C (58°F) and a maximum of 33°C (92°F), averaging around 24°C (75°F). However, precipitation in March is lower at 111 mm (4.4 in) over 14 days, and the humidity slightly increases to 87%. For more details about the weather in March, you can visit Serra Negra weather in March.

When comparing the weather in December and April, December tends to be warmer, with average temperatures ranging from a minimum of 14°C (57°F) to a maximum of 34°C (94°F). In contrast, April's temperatures are slightly cooler, with a minimum of 10°C (51°F) and a maximum of 32°C (89°F). Additionally, December experiences significantly more rainfall, totaling 162 mm (6.4 in) over 18 days, compared to just 51 mm (2.0 in) over 6 days in April. Humidity levels are also high in both months, with December at 80% and April slightly higher at 84%. For more detailed information, you can check Serra Negra weather in April.

December and May weather display notable contrasts. December boasts warmer temperatures ranging from a minimum of 14°C (57°F) to a maximum of 34°C (94°F), with an average of 24°C (75°F). It is also characterized by significant rainfall, totaling 162 mm (6.4 in) over 18 days, and higher humidity at 80%. In contrast, May features cooler temperatures, with a minimum of 2°C (35°F) and a maximum of 30°C (87°F), averaging at 19°C (67°F). Precipitation is much lower in May, measuring 44 mm (1.7 in) over just 4 days, while maintaining a similar humidity level of 79%. For those interested in a deeper look, check out the detailed weather information at Serra Negra weather in May.

December and June exhibit markedly different weather patterns. In December, temperatures are typically warmer, with minimums around 14°C (57°F) and averages peaking at 24°C (75°F), reaching maximums of 34°C (94°F). This month also sees significant precipitation, averaging 162 mm (6.4 in) over 18 rainy days and maintaining a high humidity level of 80%. In contrast, June is cooler, with minimum temperatures dropping to 8°C (46°F) and average highs around 19°C (66°F), with maximums reaching 29°C (85°F). The precipitation is considerably lower in June, totaling just 23 mm (0.9 in) across 4 days, along with a slightly decreased humidity of 77%. For more details, you can check out Serra Negra weather in June.

December and July present striking contrasts in weather conditions. December enjoys a warm climate with temperatures ranging from a minimum of 14°C (57°F) to a maximum of 34°C (94°F), accompanied by significant precipitation of 162 mm (6.4 in) over 18 days, and a high humidity level of 80%. In contrast, July offers a much cooler atmosphere, with temperatures dipping to a minimum of 2°C (35°F) and reaching an average of 18°C (64°F), peaking at 30°C (86°F). The month is characterized by a substantially lower rainfall of just 10 mm (0.4 in) on a single day and a humidity level of 72%. For more detailed insights into July weather, you can check out Serra Negra weather in July.

When comparing the weather in December and August, it’s clear that December is significantly warmer and wetter. In December, temperatures range from a minimum of 14°C (57°F) to a maximum of 34°C (94°F), with an average of 24°C (75°F). This month also boasts high humidity at 80% and brings considerable rainfall, totaling 162 mm (6.4 in) over 18 days. In contrast, August experiences much cooler weather, with temperatures ranging from a chilly 5°C (42°F) to a maximum of 32°C (91°F) and an average of 19°C (67°F). August is characterized by lower humidity at 65% and significantly less precipitation, receiving only 41 mm (1.6 in) over just 5 days. For more detailed information on the weather conditions during this month, you can check Serra Negra weather in August.

In comparing the weather between December and September, it's clear that December tends to be warmer and more humid. December has minimum temperatures of 14°C (57°F) and peaks at 34°C (94°F) with an average of 24°C (75°F), while September experiences slightly cooler temperatures with a minimum of 10°C (50°F) and a maximum of 36°C (97°F), averaging 23°C (74°F). Additionally, December sees significantly more rainfall, with 162 mm (6.4 in) over 18 days, compared to September's modest 40 mm (1.6 in) spread across just 6 days. This increased precipitation and higher humidity of 80% in December contrasts sharply with September's lower humidity at 58%. For more specific details about September's weather, you can check Serra Negra weather in September.

When comparing the weather in December and October, December tends to be warmer and more humid. In December, temperatures range from a minimum of 14°C (57°F) to a maximum of 34°C (94°F), with an average of 24°C (75°F) and a significant humidity level of 80%. It also experiences more rainfall, totaling 162 mm (6.4 inches) over 18 days. In contrast, October shows slightly cooler temperatures, ranging from a minimum of 13°C (56°F) to a peak of 37°C (100°F), with an average of 23°C (74°F). It witnesses less precipitation, about 119 mm (4.7 inches) over 13 days, and boasts a lower humidity of 50%. For more details, you can check Serra Negra weather in October.

December weather in Serra Negra exhibits a warmer climate compared to November, with average temperatures ranging from a minimum of 14°C (57°F) to a maximum of 34°C (94°F). In contrast, November sees slightly cooler temperatures, with a minimum of 11°C (52°F) and a maximum of 36°C (96°F). While both months experience significant rainfall, December has an increased precipitation total of 162 mm (6.4 in) over 18 days, compared to November's 146 mm (5.8 in) over 13 days. Additionally, December's humidity is higher at 80%, compared to November's 75%. For more detailed insights, check out Serra Negra weather in November.

Compare Serra Negra's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Serra Negra

As December unfolds in Serra Negra, the weather transforms into a vibrant mix of warmth and humidity, distinguishing it significantly from the cooler months. With average temperatures veering towards the higher end, the heat often peaks at a balmy 34°C, bringing the humidity to a notable 80%. This combination not only elevates the atmosphere but also leads to more frequent rainfall, with 18 days of precipitation during the month contributing to a total of 162 mm. Whether you're planning outdoor adventures or cozying up indoors, the December climate creates an enchanting backdrop for enjoying this scenic region. For more detailed insights, check out Serra Negra Climate.