Last updated: August 21, 2025
In Curitiba, Brazil, December brings a blend of warmth and humidity, with maximum temperatures reaching up to 31°C (89°F) and an average of 20°C (68°F). As the city welcomes summer, expect frequent rainfall, totaling approximately 158 mm (6.2 in) over 21 days, contributing to a notable humidity level of 87%. This dynamic weather pattern creates an engaging atmosphere for both locals and tourists, offering a vibrant backdrop for outdoor activities amidst the seasonal showers.
In December, Curitiba experiences the transition into the vibrant summer season, with temperatures reflecting a delightful warmth. The minimum temperature settles around 11°C (51°F), providing a mild start to the month, while the average hovers around 20°C (68°F). As the days progress, the maximum temperature peaks at a balmy 31°C (89°F), creating a pleasant environment for outdoor activities and explorations. This trend of gradually rising temperatures becomes apparent as December showcases a gentle increase compared to the cooler preceding months, making it an inviting time to enjoy the city's parks and outdoor attractions. With such favorable weather, December in Curitiba is characterized by a lively and festive atmosphere, perfect for both locals and visitors to embrace the spirit of summer.
December in Curitiba, Brazil, marks a significant transition into the rainy season, with precipitation reaching 158 mm (6.2 in) over an average of 21 days. This uptick in rainfall is in line with the preceding months, as precipitation begins to rise sharply from the drier spells of April and July. Notably, December's rain is slightly less than January's peak, but it continues to follow the trend of increased moisture that characterizes the late spring and summer months. With frequent showers, the city’s lush landscapes thrive, making December a visually vibrant time of the year, despite the frequent rains.
In December, Curitiba, Brazil experiences a notable increase in humidity, soaring to 87%, which aligns closely with the higher levels seen earlier in the year, particularly in January and February. This resurgence indicates the onset of the wet season, where consistent rainfall contributes to a damp atmosphere. Interestingly, following a gradual decline from 89% in January to a low of 71% in October, December's humidity hints at a seasonal swing that contrasts sharply with the drier conditions of mid-year. As the year wraps up, the embrace of higher humidity levels may serve as a reminder of the vibrant and lush environment that defines Curitiba’s landscape, setting the stage for the intense rainfall characteristic of summer.
In December, Curitiba experiences an extreme UV Index of 15, mirroring the intensity seen in both January and February. This level of exposure means that even a short burn time of just 10 minutes can lead to significant skin damage. Interestingly, while the month maintains the same high UV levels as the previous one, it's crucial for residents and visitors alike to take precautions against the sun's harsh rays. Following a gradual decline through the cooler months, with lower indices in May and June, December serves as a reminder of the ongoing need for vigilance in sun safety during the peak summer months. For more detailed information on the UV Index and tips for protection, visit Curitiba UV Index.
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As December approaches in Curitiba, Brazil, the days become notably brighter, offering a remarkable 300 hours of sunshine, the highest of any month. This vibrant climax to the year symbolizes the gradual increase in sunlight that begins in the spring, peaking as summer unfolds. Following November's impressive 281 hours, December’s sunlight signifies not just a shift in weather but also the joy of longer, sun-kissed afternoons. The trend of light grows from a low of 211 hours in June, with a steady climb through the seasons, showcasing the city’s transition into a sun-drenched summer paradise. With December lighting the way, residents and visitors alike can revel in the warmth and brightness that define this beautiful city during the holiday season.
In December, Curitiba, Brazil experiences a 25% chance of sunny weather, which aligns with its historically variable climate as the year draws to a close. Notably, this percentage is a slight improvement over the gloomier months of October and November, which show only 9% and 20% chances of sunshine, respectively. However, it pales in comparison to the sunny days of July, boasting a remarkable 48% chance of clear skies. As summer approaches in Brazil, December's weather hints at a mix of sun and clouds, reminding residents and visitors alike to remain hopeful for luminous afternoons amid the picturesque backdrop of the city.
In Curitiba, Brazil, December marks the peak of daylight, offering an inviting 13 hours of sunshine. This bright and cheerful month continues the trend set by November, both reveling in the longest days of the year. As the year progresses, daylight gradually diminishes from January's generous 13 hours to the more subdued 10 hours during the winter months of May through July. However, as spring approaches in August and September, the sun begins to grace the city with increased hours once again, returning to the brighter stretch seen in late spring and early summer. This cyclical pattern not only highlights the seasonal transitions but also invites residents and visitors alike to embrace the vibrant outdoor lifestyle that Curitiba has to offer during its sunlit days.
In Curitiba, Brazil, December ushers in a gentle, refreshing breeze with an average wind speed of 3.0 m/s (7 mph), reminiscent of the moderate winds that have characterized the preceding months. As the year unfolds, a subtle upward trend in wind speeds becomes apparent, particularly from October's 3.3 m/s down through November. This perceptible increase marks a transition from the calmer conditions experienced in the earlier months, peaking in late spring. The consistent breezes during December not only make for pleasant outdoor experiences but also signal the city's vibrant energy as it heads into the sultry summer months ahead.
Weather in Curitiba varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Curitiba, focusing on differences in temperature, rainfall, humidity, and UV levels.
In December, temperatures in the region range from a minimum of 11°C (51°F) to a maximum of 31°C (89°F), with an average temperature of 20°C (68°F). The month experiences significant rainfall, totaling 158 mm (6.2 in) over 21 days, and humidity levels soar to around 87%. In contrast, January brings slightly warmer conditions, with minimum temperatures rising to 13°C (56°F) and maximums reaching 33°C (91°F), resulting in an average temperature of 21°C (70°F). Precipitation increases slightly to 167 mm (6.6 in) over the same number of rainy days, and humidity levels remain high at 89%. For more detailed insights into January weather, you can visit Curitiba weather in January.
December and February in Curitiba exhibit mild temperatures, though February tends to be slightly warmer. In December, temperatures range from a minimum of 11°C (51°F) to a maximum of 31°C (89°F), with an average of 20°C (68°F). The month experiences significant rainfall, with 158 mm (6.2 in) spread over 21 days and high humidity at 87%. In contrast, February sees a slightly higher average temperature of 21°C (69°F) and a maximum of 32°C (90°F), with total precipitation decreasing to 137 mm (5.4 in) over 19 days, accompanied by a humidity level of 86%. Both months showcase the lush and vibrant weather typical of Curitiba, making them ideal for outdoor activities. For more specific insights, you can check Curitiba weather in February.
In December, the weather features a minimum temperature of 11°C (51°F) and an average of 20°C (68°F), with highs reaching 31°C (89°F). The month sees significant rainfall, accumulating 158 mm (6.2 in) over 21 days, all while maintaining a high humidity level at 87%.
In contrast, March offers a slightly warmer minimum temperature of 12°C (54°F) but shares the same average and maximum temperatures as December. However, precipitation decreases to 118 mm (4.7 in) across 22 days, with humidity remaining constant at 87%. For more details, you can explore Curitiba weather in March.
When comparing the weather in December and April, significant differences emerge. December features higher temperatures, with a minimum of 11°C (51°F) and an average of 20°C (68°F), peaking at 31°C (89°F). In contrast, April's temperatures are cooler, with a minimum of 6°C (42°F) and an average of 18°C (64°F), reaching a maximum of 28°C (83°F). Additionally, December experiences considerably more precipitation, totaling 158 mm (6.2 in) over 21 days, compared to April's relatively drier climate with only 67 mm (2.6 in) of rain over 11 days. Both months have high humidity levels, but December is slightly more humid at 87%, while April sits at 85%. For more detailed information on April weather, you can check Curitiba weather in April.
In December, the weather is notably warmer, with average temperatures ranging from a minimum of 11°C (51°F) to a maximum of 31°C (89°F). This month also experiences a higher level of rainfall, with 158 mm (6.2 in) spread over 21 days, leading to a humid environment with humidity levels around 87%.
In contrast, May brings a cooler climate, where temperatures range from a minimum of 2°C (36°F) to a maximum of 28°C (82°F). Precipitation decreases significantly to 89 mm (3.5 in) over just 10 days, and humidity is slightly lower at 84%. For more details on how the weather shapes up in May, you can check out Curitiba weather in May.
December weather in Curitiba tends to be significantly warmer than in June, with average temperatures ranging from a low of 20°C (68°F) to a high of 31°C (89°F). In contrast, June sees cooler conditions, with temperatures typically ranging from 1°C (34°F) to a maximum of 26°C (78°F). Additionally, December experiences higher precipitation, totaling 158 mm (6.2 in) over 21 days, compared to June's 99 mm (3.9 in) spread over just 10 days. However, both months maintain relatively high humidity levels, with December at 87% and June at 83%. For more detailed information about June weather in Curitiba, you can visit Curitiba weather in June.
December and July present contrasting weather patterns in terms of temperature and precipitation. In December, temperatures range from a mild 11°C (51°F) at night to a warm 31°C (89°F) during the day, with an average of 20°C (68°F). This month also experiences significant rainfall, totaling 158 mm (6.2 in) across about 21 days, contributing to a high humidity level of 87%. In stark contrast, July sees much cooler weather, with temperatures dipping to a minimum of -3°C (27°F) and only reaching a maximum of 26°C (79°F), averaging at 14°C (57°F). Precipitation is considerably lower, with only 33 mm (1.3 in) falling over just 5 days, resulting in a more comfortable humidity of 78%. For more detailed insights, check out Curitiba weather in July.
In December, the weather is generally warmer and more humid compared to August, with temperatures ranging from a minimum of 11°C (51°F) to a maximum of 31°C (89°F) and an average of 20°C (68°F). This month also sees significantly more rainfall, with 158 mm (6.2 in) of precipitation over 21 days, resulting in a humid atmosphere at 87%. Conversely, August experiences cooler temperatures, with a minimum of 1°C (33°F), an average of 14°C (58°F), and a maximum of 29°C (85°F). Precipitation in August is lower, totaling 78 mm (3.1 in) over just 7 days, and the humidity is noticeably more comfortable at 73%. For more detailed weather insights, check out Curitiba weather in August.
When comparing the weather in December and September, notable differences emerge. December generally boasts warmer temperatures, with a minimum of 11°C (51°F), an average of 20°C (68°F), and a maximum of 31°C (89°F), compared to September’s cooler temperatures, where the minimum is 6°C (42°F), the average is 17°C (63°F), and the maximum reaches 31°C (88°F). Additionally, December experiences significantly higher precipitation, with 158 mm (6.2 in) over 21 days, contrasted with September's 81 mm (3.2 in) across just 8 days, leading to a humidity level of 87% in December versus 73% in September. These differences highlight the more humid and wetter conditions of December compared to the drier, cooler September weather. For more detailed information, you can visit Curitiba weather in September.
December and October present distinct weather characteristics in terms of temperature, precipitation, and humidity. In December, the temperatures range from a minimum of 11°C (51°F) to a maximum of 31°C (89°F), with an average of 20°C (68°F). The month experiences a higher level of rainfall, totaling 158 mm (6.2 in) over 21 days, along with elevated humidity at 87%. In contrast, October features slightly cooler temperatures, with a minimum of 8°C (46°F) and a maximum of 33°C (92°F), resulting in a comfortable average of 18°C (64°F). October also has somewhat lower precipitation at 153 mm (6.0 in) over 16 days and a relative humidity of 71%. For more detailed insights, visit Curitiba weather in October.
In comparing the weather between December and November, December tends to be slightly warmer, with an average temperature of 20°C (68°F), compared to November's 18°C (65°F). Both months experience similar maximum temperatures of around 31°C (88-89°F), but December sees a higher minimum temperature of 11°C (51°F) versus November's 8°C (47°F). Additionally, December is characterized by more precipitation, recording 158 mm (6.2 in) over 21 days, compared to November's 107 mm (4.2 in) over 17 days. Humidity levels are also higher in December at 87%, while November has a slightly lower humidity of 83%. For more detailed weather patterns, you can check Curitiba weather in November.
As December rolls into Curitiba, the weather shifts to a warmer and more humid experience compared to the previous months. With average temperatures reaching 20°C (68°F) and a maximum that can soar up to 31°C (89°F), residents and visitors alike relish the onset of summer. However, this joy is tempered by the increased precipitation, as December witnesses rain on nearly 21 days, contributing to a total of 158 mm (6.2 in) of rainfall. High humidity levels of 87% create a lush atmosphere, transforming the city into a vibrant green landscape. For a deeper dive into the year-round climatic nuances, explore Curitiba Climate.