Last updated: August 21, 2025
December in Petropolis, Brazil is characterized by its warm temperatures, featuring a maximum of 33°C (92°F) and an average of 24°C (75°F), while nights can cool down to a minimum of 14°C (57°F). The month experiences significant precipitation, with 288 mm (11.3 in) distributed over 24 days, contributing to a humid atmosphere with an average humidity of 75%. Visitors can expect a vibrant yet wet climate, perfect for enjoying the lush landscapes and cultural richness of this picturesque city.
As December rolls into Petropolis, Brazil, the temperatures begin to reflect the warmth of the summer season ahead. With a minimum of 14°C (57°F), an average of 24°C (75°F), and a maximum reaching 33°C (92°F), this month signifies a gradual transition from the cooler late spring into more temperate conditions. Notably, while the minimum temperature is higher compared to earlier months, the overall averages and peaks remain consistent with the previous warm months of November and the approaching January. Visitors can expect pleasantly mild days that can occasionally sizzle under the afternoon sun, perfect for enjoying the lush landscapes and vibrant culture of this charming city.
In Petropolis, Brazil, December brings a significant uptick in precipitation, with an impressive 288 mm (11.3 in) of rain falling over 24 days. This trend is reflective of the overall wetter months, as December follows closely behind November's 250 mm (9.9 in). The sustained rainfall indicates a shift from the drier winter months, where July and June see much lower totals of 30 mm (1.2 in) and 45 mm (1.8 in), respectively. As the year draws to a close, the increase not only underscores the region's tropical climate but also sets the stage for the lush landscapes that characterize this historic city, reminding residents and visitors alike of nature's cyclic patterns.
In Petropolis, Brazil, December marks a transition in humidity as it settles at 75%, a modest drop from the wetter months at the year's start. Following a trend of diminishing humidity, which peaked in March at 86%, the year gradually moves toward the drier months of late summer. From January to May, humidity was consistently high, hovering around 81-86%, but by December, it reflects a significant decrease compared to the earlier months. This pattern hints at an overall trend of decreasing humidity leading into the new year, creating a more comfortable atmosphere as the holiday season approaches. The shift creates a pleasant environment, making December a charming time to experience the lush landscapes of Petropolis.
In December, Petropolis, Brazil, continues to experience extreme UV Index levels, peaking at 15, which is slightly lower than the 16 observed in January but indicative of a persistent pattern of high sun exposure throughout the summer months. With a consistent burn time of just 10 minutes, residents and visitors should remain vigilant, as the risk of sunburn is significant. This trend of high UV levels, ranging from 13 to 16 from January to November, emphasizes the need for protective measures against harmful rays. Given the surroundings, it’s essential to stay informed about the UV Index in this picturesque locale. For more details, visit Petropolis UV Index, and ensure you enjoy the beautiful weather while protecting your skin.
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In Petropolis, Brazil, December marks the culmination of a year filled with radiant sunshine, boasting an impressive 312 hours of bright daylight. This month stands out not just as the year's sunniest, but also as a delightful transition into summer with longer, sunnier days. Following a consistent trend in the latter half of the year, where sunlight hours gradually increased, December shines even brighter than the months preceding it. The change from November's 281 hours to December's peak reflects a gradual ascent in sunlight that locals and visitors alike eagerly embrace, making the city’s picturesque landscapes even more inviting. As the year closes, Petropolis transforms into a sun-kissed paradise, perfect for outdoor festivities and vibrant holiday celebrations.
In Petropolis, Brazil, December experiences a 30% chance of sunny weather, indicating a modest likelihood for sun-seekers. This figure aligns closely with January's 30%, suggesting that as the year wraps up, the region maintains consistent sun exposure. Interestingly, the months leading up to December show a gradual increase in sunshine likelihood, peaking in July at 63%. Although November dips back to 25%, December's sun chances represent a slight rebound. Those looking for brighter days in the festive season might find December's weather to be a pleasant, albeit unpredictable, mix of clouds and sunshine amidst the lush backdrop of this picturesque locale.
In Petropolis, Brazil, December marks a vibrant culmination of daylight as it enjoys 13 hours of sunshine, mirroring the extended daylight of January and November. This seasonal trend reveals a gradual decrease in daylight hours from the summer months, beginning with 13 hours in January, tapering down to 10 hours in June and July. As autumn approaches in August, daylight begins to regain ground, stabilizing at 11 hours through September and October before returning to a lengthier stretch in December. This rhythm of daylight not only highlights the city's shift from summer to fall but also sets a warm, inviting backdrop for the holiday season.
As December arrives in Petropolis, Brazil, the gentle whispers of the wind carry a sense of transition, averaging 1.6 m/s (4 mph). This month marks a slight retreat from the peak wind speeds observed earlier, particularly in September when gusts reached 1.9 m/s (4 mph). Throughout the year, the wind speed dances around a mild range, oscillating between 1.3 m/s in February and a high of 1.9 m/s in September, creating a soothing atmosphere that invites leisurely strolls through the city's beautiful landscapes. The consistency of these breezy conditions offers a comforting embrace, making December a delightful time to experience the charm of Petropolis while the winds serve as a gentle companion through the festive season.
Weather in Petropolis varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Petropolis, focusing on differences in temperature, rainfall, humidity, and UV levels.
December and January showcase a transition in weather patterns, with January typically experiencing slightly warmer temperatures. In December, temperatures range from a minimum of 14°C (57°F) to a maximum of 33°C (92°F), while January sees minimums of 17°C (63°F) and maximums of 34°C (93°F). Precipitation decreases from 288 mm (11.3 in) over 24 days in December to 212 mm (8.3 in) over 18 days in January, indicating a drier start to the new year. Additionally, humidity levels rise from 75% in December to 85% in January, creating a more humid atmosphere as the month progresses. For a more detailed forecast, check out Petropolis weather in January.
In December, the weather typically ranges from a minimum of 14°C (57°F) to a maximum of 33°C (92°F), with an average temperature of 24°C (75°F). During this month, the region experiences significant rainfall, accumulating around 288 mm (11.3 in) over 24 days, and humidity levels hover around 75%. In contrast, February sees slightly warmer temperatures with a minimum of 18°C (64°F) and a maximum of 35°C (94°F), while the average remains similar at 24°C (76°F). February also experiences a higher precipitation level of 302 mm (11.9 in) over 20 days, accompanied by increased humidity at 85%. For more details on February weather, you can refer to Petropolis weather in February.
In December, the weather is characterized by a warm range of temperatures, with a minimum of 14°C (57°F) and a maximum of 33°C (92°F), averaging around 24°C (75°F). The month experiences considerable rainfall, totaling 288 mm (11.3 in) over 24 days, contributing to a humidity level of 75%. In contrast, March sees slightly warmer nights with a minimum temperature of 15°C (60°F) while maintaining the same average and maximum temperatures as December. Precipitation decreases to 209 mm (8.2 in) over 21 days, yet the humidity rises to 86%, making it feel more humid than in December. For more detailed information, check out Petropolis weather in March.
When comparing the weather in December and April, both months exhibit warm temperatures, with maximums reaching up to 33°C (92°F). December typically sees slightly higher average temperatures, ranging from a minimum of 14°C (57°F) to an average of 24°C (75°F), while April has a minimum of 13°C (56°F) and an average of 22°C (72°F). Precipitation significantly differs between the two months, with December experiencing 288 mm (11.3 in) of rain over 24 days compared to April's 92 mm (3.6 in) over just 15 days. Additionally, humidity levels are higher in April at 83%, as opposed to December's 75%. For more detailed insights on weather in April, check out Petropolis weather in April.
December and May showcase distinct weather patterns. In December, temperatures range from a minimum of 14°C (57°F) to a maximum of 33°C (92°F), with an average of 24°C (75°F). This month experiences significant rainfall, totaling 288 mm (11.3 in) over 24 days, contributing to a humidity level of 75%. In contrast, May presents a cooler climate with temperatures dropping to a minimum of 9°C (49°F) and reaching a maximum of 31°C (88°F), averaging 20°C (68°F). The precipitation in May is considerably lighter, with only 64 mm (2.5 in) over 9 days, although humidity is slightly higher at 81%. For more detailed weather insights, you can visit Petropolis weather in May.
December and June weather in Petropolis present striking contrasts. In December, temperatures range from a comfortable minimum of 14°C (57°F) to a scorching maximum of 33°C (92°F), with an average of 24°C (75°F). This month also sees significant rainfall, with 288 mm (11.3 in) over 24 days and a humidity level of 75%. Conversely, June experiences cooler temperatures, with a minimum of 10°C (50°F) and a maximum of 30°C (87°F), averaging around 20°C (68°F). Precipitation drops dramatically to 45 mm (1.8 in) spread over just 9 days, coupled with slightly higher humidity of 80%. For more details on June's climate, check Petropolis weather in June.
In comparing December and July weather, December exhibits significantly warmer temperatures, with a minimum of 14°C (57°F) and an average of 24°C (75°F), reaching a maximum of 33°C (92°F). Conversely, July's temperatures are notably cooler, with a minimum of 7°C (45°F) and an average of 18°C (65°F), peaking at 30°C (87°F). Additionally, December is characterized by much higher precipitation, totaling 288 mm (11.3 in) over 24 days, while July sees only 30 mm (1.2 in) across 5 days. Humidity levels remain relatively constant between the months, with July at 76% and December at 75%. For more detailed insights about the weather in July, you can visit Petropolis weather in July.
When comparing the weather between December and August, it is clear that December experiences warmer temperatures, with a minimum of 14°C (57°F) and an average of 24°C (75°F), peaking at a hot 33°C (92°F). In contrast, August is significantly cooler, with temperatures ranging from a low of 8°C (46°F) to an average of 19°C (66°F) and a maximum of 32°C (89°F). Precipitation levels also differ greatly, with December receiving 288 mm (11.3 in) of rainfall over 24 days, while August has a much drier profile with only 63 mm (2.5 in) over 9 days. Humidity remains relatively high in both months, though slightly lower in August at 73% compared to December's 75%. For more details on the climate during this period, you can visit Petropolis weather in August.
The weather in December is generally warmer and wetter than in September. In December, temperatures range from a minimum of 14°C (57°F) to a maximum of 33°C (92°F), with an average of 24°C (75°F). In contrast, September sees slightly cooler temperatures, with a minimum of 11°C (52°F) and a maximum of 35°C (95°F), averaging 21°C (71°F). Additionally, December experiences significantly higher precipitation at 288 mm (11.3 in) over 24 days, compared to September's 67 mm (2.6 in) over just 10 days. Humidity levels are also higher in December at 75% compared to 68% in September. For more detailed information on September weather, you can check Petropolis weather in September.
In comparing the weather of December and October, December tends to be slightly warmer with average temperatures ranging from a minimum of 14°C (57°F) to a maximum of 33°C (92°F), while October's temperatures are a bit lower with averages from 13°C (56°F) to 36°C (98°F). However, October experiences less rainfall, with 142 mm (5.6 in) over 18 days compared to December's significant precipitation of 288 mm (11.3 in) across 24 days. Additionally, humidity is higher in December at 75%, compared to October's 61%. For more specific insights into October's climate, you can check Petropolis weather in October.
In comparing the weather between December and November, December tends to be warmer, with average temperatures ranging from a minimum of 14°C (57°F) to a maximum of 33°C (92°F), compared to November’s range of 11°C (53°F) to 35°C (95°F). While December has slightly higher humidity at 75% versus November's 72%, it also experiences more precipitation, with 288 mm (11.3 in) of rain over 24 days, compared to November's 250 mm (9.9 in) over 19 days. The increased frequency of rainfall in December contributes to its more humid conditions. For a more detailed comparison of weather patterns, you can check Petropolis weather in November.
As December rolls into Petropolis, the weather transforms into a dynamic blend of warmth and humidity, offering a stark contrast to the cooler months preceding it. With maximum temperatures soaring and an average of 24°C, the month beckons residents and visitors to embrace the vibrant outdoor scenes. However, this warmth comes with the reality of frequent precipitation, as rain graces the city on nearly 24 days, culminating in a total of 288 mm for the month. The humidity levels hover around 75%, creating a tropical ambiance that’s characteristic of the season. For a deeper dive into how December's weather nuances compare to other months, explore more at Petropolis Climate.