Last updated: August 21, 2025
December in São José dos Campos, Brazil offers a warm and humid atmosphere, characterized by maximum temperatures reaching 33°C (92°F) and an average around 23°C (73°F). As the month unfolds, the minimum temperatures can dip to a cool 13°C (55°F), providing a refreshing contrast. With an estimated precipitation total of 149 mm (5.9 in) over 20 days, rain is frequent, contributing to the region's vibrant greenery. The humidity, hovering around 80%, enhances the tropical feel, making December a quintessentially Brazilian experience for residents and visitors alike.
In December, São José dos Campos experiences a delightful transition into the summer season, marked by mild evenings and warm days. With nighttime temperatures averaging a comfortable 13°C (55°F) and daytime highs hitting around 33°C (92°F), it’s the perfect time to enjoy outdoor activities. The average temperature settles at a pleasant 23°C (73°F), reflecting a consistent warmth compared to the cooler months preceding it. This month positions itself as a bridge between the refreshing temperatures of autumn and the sizzling heat of January, allowing residents and visitors to bask in the sunshine while savoring the vibrant atmosphere that characterizes this Brazilian city during summer.
December in São José dos Campos, Brazil, welcomes the rainy season with an average precipitation of 149 mm (5.9 inches) occurring over 20 days. This marks a significant increase compared to the drier months of the year, such as July and June, which see minimal rainfall. Notably, December aligns with the trend of heightened precipitation observed as the year approaches its end, preceding January's typical deluge of 161 mm. The consistent rain during this month enhances the region's lush greenery, providing a vibrant backdrop as the holiday season unfolds, juxtaposing joy with the rhythm of steady rainfall that characterizes this time of year.
In December, humidity levels in São José dos Campos, Brazil, bounce back to 80%, following a dip to their lowest point of 50% in October. This increase reflects a typical trend as the year wraps up, with humidity consistently rising from its annual low in the dry winter months of June and July. While humidity reached its peak at 88% during the early months of the year—January and February—the end of the year signals a return to more humid conditions after a dry spell. The gradual rise in moisture levels from November's 75% to December's 80% heralds the impending summer season, offering a refreshing shift as the climate transitions.
In December, Sao Jose dos Campos experiences its peak UV Index at a striking 16, categorizing the exposure level as extreme with a dangerously short burn time of just 10 minutes. This trend of high UV levels is a recurring theme throughout the end of the year, as both January and February also register a UV Index of 16. Following closely, October and November have UV indices of 13 and 14, respectively. The pattern indicates that as summer approaches, residents and visitors must diligently protect themselves from the intense sun exposure characteristic of this vibrant Brazilian city. For detailed insights about UV levels throughout the year, visit Sao Jose dos Campos UV Index.
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December in São José dos Campos, Brazil, wraps up the year with a delightful 300 hours of sunshine, making it the most sunlit month on record. This vibrant uptick comes after a steady trend of increased sunlight throughout the year, peaking in March with 298 hours and gradually tapering off in the following months. Notably, December not only continues the upward trajectory seen in November’s 278 hours, but it also reinforces the pattern of longer daylight that characterizes the southern summer. As the year concludes, the warmth and brightness of December invite both locals and visitors to bask in the sun-drenched days, embracing the beauty of Brazil’s tropical allure.
In Sao Jose dos Campos, Brazil, the likelihood of enjoying sunny weather in December is relatively low at 33%, positioning it among the less favorable months for sunshine. This trend aligns with the preceding month of November, which offers a slightly better chance at 35%. As we look back across the year, sunshine prospects peak in the mid-year months of July and August, boasting probabilities of 58% and 55%, respectively. As the year progresses from the sunny heights of July through the wetter months leading into December, we see a gradual decline in sunshine opportunities, suggesting that while December might not be ideal for sun-seekers, there are certainly sunnier days ahead earlier in the year.
In Sao Jose dos Campos, Brazil, December marks the culmination of a cycle of daylight duration that begins with the long days of summer. The month enjoys approximately 13 hours of daylight, mirroring the light-filled months of January and November. As the year progresses from March to May, daylight declines, reaching its shortest span of 10 hours during the heart of winter from June to July. However, as spring approaches, the daylight gradually rebounds, enhancing the sense of renewal and vitality. This trend not only highlights the region's seasonal shifts but also enriches the experience of outdoor activities, making December a vibrant month filled with light and warmth.
As December rolls into São José dos Campos, the winds begin to pick up, averaging 2.1 m/s (5 mph). This marks a subtle yet noticeable increase from the slightly lower speeds earlier in the year. Following a pattern of gradual ascent, the wind occasionally reaches 2.3 m/s (5 mph) in August and peaks at 2.7 m/s (6 mph) in October. Although December's breezes are milder compared to the windier months of October and November, they still provide a refreshing respite as the year draws to a close. The overall trend reveals a gentle progression of wind intensity, enhancing the charming ambiance of a Brazilian summer while encouraging outdoor activities against the backdrop of a vibrant city.
Weather in Sao Jose dos Campos varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Sao Jose dos Campos, focusing on differences in temperature, rainfall, humidity, and UV levels.
December and January in Sao Jose dos Campos exhibit similar warm climates, with January experiencing slightly higher temperatures and humidity. In December, the average temperature ranges from a minimum of 13°C (55°F) to a maximum of 33°C (92°F), while January sees a minimum of 15°C (59°F) and a peak of 34°C (93°F). Precipitation is notably high in both months, with December recording 149 mm (5.9 in) over 20 days, compared to January's 161 mm (6.3 in) over 17 days. The humidity also increases from 80% in December to 88% in January, contributing to a distinctly muggy atmosphere during the latter month. For more details on the weather specifics, check out Sao Jose dos Campos weather in January.
In December, the weather in Sao Jose dos Campos typically features a minimum temperature of 13°C (55°F) and can reach up to 33°C (92°F), with an average temperature of 23°C (73°F). The month experiences significant precipitation, totaling 149 mm (5.9 in) over approximately 20 days, coupled with a humidity level of 80%.
In contrast, February sees slightly warmer conditions, with a minimum temperature of 16°C (61°F) and a maximum of 34°C (94°F), while still averaging around 23°C (74°F). Precipitation increases marginally to 154 mm (6.0 in), spread across about 17 days, and humidity rises to 88%.
For more detailed insights into February weather, visit Sao Jose dos Campos weather in February.
When comparing the weather in December and March, both months exhibit similar temperature ranges, with minimum temperatures around 13°C (55°F) and average highs reaching 33°C (91-92°F). However, December tends to be slightly wetter, receiving 149 mm (5.9 in) of precipitation over 20 days, compared to March's 122 mm (4.8 in) over 15 days. Additionally, humidity levels are higher in March at 87%, compared to December's 80%. For a more detailed look at March conditions, you can explore Sao Jose dos Campos weather in March.
When comparing the weather in December and April, it's evident that both months experience relatively warm temperatures, with December having a slightly higher average temperature of 23°C (73°F) compared to April's 21°C (70°F). December sees more rainfall, with a total of 149 mm (5.9 in) spread over 20 days, while April experiences significantly less precipitation at 47 mm (1.8 in) over just 9 days. Additionally, humidity levels are slightly higher in April at 84%, compared to December's 80%. For more details on April weather in the region, you can check out Sao Jose dos Campos weather in April.
December and May showcase contrasting weather patterns. In December, temperatures range from a minimum of 13°C (55°F) to a maximum of 33°C (92°F), with an average of 23°C (73°F). This month sees around 149 mm (5.9 in) of precipitation spread over 20 days, contributing to a high humidity level of 80%. In comparison, May features milder conditions, with temperatures dropping to a minimum of 6°C (42°F) and peaking at 30°C (86°F), averaging 19°C (66°F). The precipitation is significantly lower at 50 mm (2.0 in), spread over just 6 days, and the humidity remains slightly lower at 79%. For a more detailed look at the weather in May, you can visit Sao Jose dos Campos weather in May.
December and June present contrasting weather patterns in terms of temperature and precipitation. In December, temperatures range from a minimum of 13°C (55°F) to a maximum of 33°C (92°F), with an average of 23°C (73°F) and significant rainfall of 149 mm (5.9 in) over 20 days, contributing to a high humidity of 80%. In contrast, June experiences cooler conditions, with temperatures ranging from 7°C (44°F) to 29°C (85°F) and an average of 18°C (65°F). The month is also drier, with only 35 mm (1.4 in) of precipitation across just 5 days, resulting in slightly lower humidity at 77%. For more details, check out Sao Jose dos Campos weather in June.
In December, the weather in São José dos Campos is notably warm, with temperatures ranging from a minimum of 13°C (55°F) to a maximum of 33°C (92°F) and an average of 23°C (73°F). This month also sees significant precipitation, with 149 mm (5.9 in) of rain over approximately 20 days, leading to a high humidity level of 80%. In contrast, July experiences much cooler weather, with temperatures ranging from a minimum of 3°C (37°F) to a maximum of 29°C (85°F) and an average of only 17°C (62°F). The precipitation is minimal in July, totaling just 21 mm (0.8 in) over 3 days, and the humidity is slightly lower at 72%. For more details, you can check Sao Jose dos Campos weather in July.
December in Sao Jose dos Campos is marked by warmer temperatures, with a minimum of 13°C (55°F) and an average high reaching 33°C (92°F). The month tends to be quite humid, with humidity levels around 80%, and experiences significant rainfall, averaging 149 mm (5.9 in) over approximately 20 days. In contrast, August is considerably cooler, with temperatures ranging from a chilly minimum of 3°C (38°F) to a milder average high of 32°C (90°F). Precipitation is less frequent in August, totaling just 54 mm (2.1 in) over 7 days, and humidity levels drop to 65%. For more details, check out Sao Jose dos Campos weather in August.
In comparing the weather conditions of December and September, December typically showcases a warmer climate with average highs reaching 33°C (92°F) and a higher humidity level of 80%. In contrast, September experiences slightly cooler temperatures, with maximums around 35°C (94°F), but a lower average of 21°C (70°F). Additionally, September is significantly drier, receiving only 50 mm (2.0 in) of precipitation over about 6 days, compared to December's 149 mm (5.9 in) spread over 20 days. For more detailed information, you can check Sao Jose dos Campos weather in September.
In December, the weather in Sao Jose dos Campos is characterized by higher temperatures and increased humidity compared to October. With minimum temperatures around 13°C (55°F) and maximums reaching up to 33°C (92°F), December offers a warm and humid atmosphere, evidenced by an average humidity level of 80%. In contrast, October typically experiences slightly cooler conditions, with a minimum of 11°C (52°F) and a maximum of 36°C (98°F), along with lower humidity at 50%. Additionally, December sees more frequent rainfall, with 149 mm (5.9 in) over 20 days, compared to 120 mm (4.7 in) over 15 days in October. For more detailed information, you can check Sao Jose dos Campos weather in October.
December weather in São José dos Campos is characterized by slightly higher temperatures and increased humidity compared to November. With average temperatures ranging from a minimum of 13°C (55°F) to a maximum of 33°C (92°F), December tends to be warmer, while November sees temperatures from a minimum of 11°C (52°F) up to 35°C (95°F). Precipitation also increases in December, with 149 mm (5.9 in) recorded over 20 days, compared to November's 123 mm (4.8 in) over 14 days. The humidity level rises to 80% in December, compared to 75% in November, making December feel more humid overall. For more details, you can check Sao Jose dos Campos weather in November.
As December rolls in, Sao Jose dos Campos experiences a notable shift in weather patterns, setting itself apart from other months. This time of year brings a warm embrace, with temperatures rising to a pleasant maximum and the average hovering comfortably, while cooler nights provide a refreshing contrast. In addition to the warmth, December is characterized by increased rainfall, punctuated by frequent showers that can invigorate the landscape. Humidity levels peak, contributing to a tropical feel that enhances the vibrant atmosphere of the city. For a deeper insight into the weather nuances throughout the year, explore the comprehensive guide at Sao Jose dos Campos Climate.