Last updated: August 21, 2025
In December, Petrolina, Brazil, experiences a vibrant and warm climate characterized by a maximum temperature of 39°C (103°F) and an average of 29°C (84°F), perfect for those who enjoy the heat. Nights remain pleasantly mild with a minimum temperature of 21°C (70°F). The month sees a light precipitation total of 41 mm (1.6 in) across 5 rainy days, contributing to a humidity level of 59% that adds a touch of tropical allure to this picturesque city. Whether basking under the sun or enjoying the cooler evenings, December in Petrolina offers a dynamic and inviting atmosphere for both residents and visitors alike.
In Petrolina, Brazil, the month of December heralds the peak of summer, showcasing consistently warm temperatures that set the stage for vibrant outdoor activities. With a minimum of 21°C (70°F) and an average soaring to 29°C (84°F), residents and visitors enjoy balmy days perfect for exploring this picturesque region. Notably, daytime highs can reach up to 39°C (103°F), mirroring the trend of the preceding months. December, much like November, embodies a blend of warmth and sunshine, promising long, sun-soaked days that encapsulate the essence of the Brazilian summer. This pattern of high temperatures not only enhances the lively atmosphere but also invites everyone to soak in the captivating beauty of Petrolina.
In December, Petrolina, Brazil, experiences a moderate increase in precipitation, receiving 41 mm (1.6 in) of rain over 5 days. This marks a significant uptick from the arid months preceding it, particularly from July through September, when rainfall was virtually nonexistent. Compared to the previous months, December's precipitation reflects a trend of gradual recovery from the dry season, ensuring that the landscape begins to rejuvenate just in time for the growing season ahead. This month's rainfall is a welcome respite, especially when juxtaposed with May's minimal 13 mm (0.5 in), illustrating the stark contrast in climatic conditions as the year winds down. The seasonal shift is evident, fostering optimism for both the environment and local agriculture.
In December, Petrolina, Brazil experiences a noticeable shift in humidity, with levels resting at 59%. This marks the end of a gradual decrease from the high humidity peaks of the early months, where January kicks off the year at a humid 86%. As the year progresses, humidity steadily declines, reaching its annual low of 44% in November. However, December brings a slight uptick, creating a balance between the dry months and the more humid season. This pattern highlights the transition towards a more comfortable climate, appealing to those seeking respite from the intense heat that characterizes Petrolina's summer months.
In December, Petrolina, Brazil, continues to experience intense UV exposure, with a UV Index of 14, categorizing it as extreme. This level of UV radiation is consistent with the high readings observed from January through November, where the index fluctuated between 12 and 15. Notably, the burn time remains a brisk 10 minutes, underscoring the importance of sun protection during this period. While there is a slight dip in the index compared to the peak months, the vigilance against sunburn and UV-related risks remains crucial. With the sun's rays as fierce as ever, residents and visitors alike should refer to the guidelines and keep informed by checking their local updates on the Petrolina UV Index for safe outdoor activities.
UV Risk Categories
In Petrolina, Brazil, December shines brightly with an impressive 325 hours of sunshine, marking a slight dip from the sunniest month of October but still showcasing the region's vibrant luminosity. As the year draws to a close, December's daylight hours highlight a consistent trend, with sunshine peaking in the late months—October (350 hours) and November (326 hours) being the year's champions. The sunshine hours steadily climb from mid-year lows, with the highest counts in the latter half, suggesting that Petrolina's summer is poised for abundance. This radiant pattern not only enhances the festive spirit of December but also promises ample opportunities for outdoor adventures and exploration in this sun-drenched locale.
In Petrolina, Brazil, the chances of enjoying sunny weather in December are relatively low, with only a 17% likelihood of clear skies. This marks a significant decline compared to the sunnier months preceding it, such as September and October, which boast probabilities of 69% and 59% respectively. The trend appears to shift dramatically as the year progresses from the sunnier early months, with June hitting a peak at 61%. By December, the odds of encountering a gloomy day increase, aligning the end of the year with lower expectations for sunshine in this vibrant region.
In Petrolina, Brazil, the daylight duration presents a fascinating pattern throughout the year. From January to March, residents enjoy a consistent 12 hours of daylight, creating a perfect backdrop for outdoor activities and vibrant cultural events. As spring transitions into the cooler months, daylight subtly decreases in April, and remains at 11 hours from May through August. This slight reduction brings a cozy feel to the region, perfect for enjoying the famed local cuisine and gatherings. As the year progresses, daylight increases again in September, reaching back to 12 hours by December. Notably, this return to longer days resonates with the festive ambiance of the holiday season, providing ample opportunity for celebration and exploration. Overall, the daylight trends in Petrolina reflect a rhythm that mirrors the changing seasons, enhancing the region's charm and appeal year-round.
In Petrolina, Brazil, the December wind offers a gentle respite, with an average speed of 3.4 m/s (8 mph), reflecting a seasonal drop from the brisker summer months. This decline follows an upward trend from the slightly stronger gusts of mid-year, notably peaking at 6.1 m/s (14 mph) in August. As the year progresses, the winds gradually shift from their more vigorous summer pace into the calmer embrace of late fall and early winter. December's breezes, though less forceful, create a delightful atmosphere, perfect for enjoying the sultry charm of the region. While the winds may wane, the warmth remains, making it an ideal time for leisurely outdoor activities amidst the lush beauty of Petrolina.
Weather in Petrolina varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Petrolina, focusing on differences in temperature, rainfall, humidity, and UV levels.
In December, the weather remains warm, with temperatures ranging from a minimum of 21°C (70°F) to a maximum of 39°C (103°F), and an average of 29°C (84°F). The month experiences about 41 mm (1.6 inches) of precipitation over five days and has a humidity level of 59%. In contrast, January sees slightly cooler conditions, with maximum temperatures reaching 38°C (100°F), but maintaining the same minimum and average temperatures. Precipitation decreases to 26 mm (1.0 inch) over four days, and humidity rises significantly to 86%. This increase in humidity can make January feel more discomforting, despite the slightly lower maximum temperature. For a detailed look at January weather in Petrolina, you can check Petrolina weather in January.
In comparing the weather between December and February, December experiences slightly warmer average temperatures, ranging from a minimum of 21°C (70°F) to a maximum of 39°C (103°F), while February sees a slight dip in the average temperature, with highs around 38°C (100°F) and an average of 28°C (83°F). Precipitation levels rise significantly in February, totaling 69 mm (2.7 in) over 10 days, compared to December’s 41 mm (1.6 in) across just 5 days, indicating a wetter climate during the later month. Additionally, February is characterized by higher humidity at 90%, compared to December's 59%, making the air feel more oppressive. For more detailed insights, you can check the Petrolina weather in February.
When comparing the weather in December and March, we see some interesting differences. December typically experiences higher average temperatures, with daytime highs reaching up to 39°C (103°F), whereas in March, the maximum temperature is slightly lower at 38°C (100°F). Humidity levels also differ significantly; while December has a humidity of 59%, March sees an increase to 92%, leading to a more humid atmosphere. Precipitation is more pronounced in March, with 59 mm (2.3 in) of rain falling over about 9 days, compared to December's 41 mm (1.6 in) spread over only 5 days. For more detailed information, check out Petrolina weather in March.
In December, the weather in Petrolina boasts a warm average temperature of 29°C (84°F), with highs reaching up to 39°C (103°F). The humidity stands at a comfortable 59%, and precipitation is generally low, with around 41 mm (1.6 in) spread over about 5 days. In contrast, April experiences slightly cooler average temperatures of around 28°C (82°F) but comes with higher humidity levels of 90%. The rain in April is a bit more frequent, totaling 40 mm (1.6 in) over 7 days. For a more detailed look at April's weather, you can check Petrolina weather in April.
In December, Petrolina experiences warmer temperatures, ranging from a minimum of 21°C (70°F) to a maximum of 39°C (103°F), with an average of 29°C (84°F). The month sees a moderate amount of rainfall, with 41 mm (1.6 in) accumulating over about 5 days, and humidity levels are relatively comfortable at 59%. In contrast, May brings slightly cooler temperatures, with a minimum of 19°C (66°F) and a maximum of 38°C (100°F), averaging 27°C (80°F). Precipitation is significantly lower in May at 13 mm (0.5 in) over just 2 days, but the humidity increases to 84%, creating a more humid atmosphere. For more details on the weather in May, you can visit Petrolina weather in May.
December and June present contrasting weather conditions. In December, temperatures range from a minimum of 21°C (70°F) to a maximum of 39°C (103°F), with an average of 29°C (84°F). This month sees moderate rainfall, with approximately 41 mm (1.6 in) over five days, and humidity levels at 59%. In contrast, June features cooler temperatures, with a minimum of 18°C (64°F) and a maximum of 35°C (95°F), averaging 25°C (78°F). Precipitation is significantly lower, at just 7 mm (0.3 in) over one day, although humidity rises to 76%. For more detailed weather information in June, visit Petrolina weather in June.
December and July present contrasting weather conditions. In December, temperatures range from a minimum of 21°C (70°F) to a maximum of 39°C (103°F), with an average of 29°C (84°F), accompanied by 41 mm (1.6 in) of precipitation over 5 days and humidity at 59%. In contrast, July features milder weather, with temperatures ranging from 17°C (64°F) to 35°C (96°F), averaging 25°C (76°F). July sees significantly less rain, only 6 mm (0.2 in) of precipitation, and usually enjoys dry conditions with no rainy days, though it has higher humidity at 68%. For a more in-depth look at July's climate, you may refer to Petrolina weather in July.
December and August offer distinctly different weather patterns. In December, temperatures range from a minimum of 21°C (70°F) to a scorching maximum of 39°C (103°F), with an average of 29°C (84°F). This month also sees moderate precipitation, totaling 41 mm (1.6 in) over about five days, accompanied by a humidity level of 59%. In contrast, August experiences milder temperatures, with a minimum of 17°C (63°F) and a maximum of 36°C (97°F), averaging 25°C (78°F). Rain is rare in August, with only 4 mm (0.1 in) recorded, and a humidity level slightly higher at 62%. For more insights on August weather, check out Petrolina weather in August.
In December, the weather offers warmer temperatures, with a minimum of 21°C (70°F) and an average of 29°C (84°F), compared to September's cooler minimum of 19°C (66°F) and average of 27°C (81°F). Both months experience a maximum temperature of 39°C (103°F), but December has considerably more precipitation at 41 mm (1.6 in) over 5 days, while September sees only 3 mm (0.1 in) with no rainy days. Additionally, humidity is slightly higher in December at 59%, compared to September's 56%. For a closer look at September's weather, you can visit Petrolina weather in September.
In comparing the weather between December and October, both months experience similar average temperatures, with December showcasing a minimum of 21°C (70°F) and a maximum reaching 39°C (103°F), while October has a slightly lower maximum of 38°C (102°F) and a minimum of 20°C (69°F). December typically has a higher humidity level at 59%, compared to October's 51%, making the former feel a bit more muggy. Additionally, December sees more precipitation, totaling 41 mm (1.6 in) over 5 days, while October only receives 12 mm (0.5 in) on 2 days, indicating drier conditions for October. For more detailed insights, you can check Petrolina weather in October.
In comparing the weather between November and December, both months exhibit similar temperature ranges, with minimums around 21°C (70°F), average highs of 29°C (84°F), and maximums reaching up to 39°C (103°F). However, December experiences slightly more precipitation, totaling 41 mm (1.6 in) over 5 days compared to November's 21 mm (0.8 in) over 4 days. Additionally, humidity increases in December to 59%, contrasted with November's 44%, making December feel a bit more humid. For more detailed insights on November weather, you can visit Petrolina weather in November.
In December, Petrolina contrasts sharply with the cooler months, showcasing its warmth and vibrancy. The temperatures soar, often reaching their maximum highs of around 39°C, while the humidity settles at a comfortable 59%, providing a typical tropical experience. Although rainfall is minimal, with just a handful of days bringing a total of 41 mm, this month shines as a transition into the hot season, making it ideal for outdoor activities and exploration. For a detailed outlook on the weather patterns and variations throughout the year, visit Petrolina Climate.