Last updated: August 21, 2025
In December, Campinas, Brazil, experiences a vibrant summer climate, characterized by a maximum temperature soaring to 36°C (97°F) and a balmy average of 24°C (75°F). Residents and visitors alike enjoy warm days, although the minimum temperature can dip to a cool 13°C (56°F) at night. This month also ushers in 150 mm (5.9 in) of rainfall across approximately 18 days, contributing to a high humidity level of 80%. These conditions make December a dynamic and humid month, perfect for those seeking to embrace the energy of Brazilian summer.
In December, Campinas, Brazil experiences a warm and inviting climate, with daytime temperatures reaching a comfortable average of 24°C (75°F). As the month unfolds, the minimum temperature hovers around 13°C (56°F), while peak conditions can soar to 36°C (97°F). This reflects a trend of gradually rising temperatures that began building from the cooler months of June and July, where minimums dipped as low as 2°C (36°F). As summer approaches, December signifies a shift toward warmth and humidity, making it a perfect time for outdoor activities and festivities under the Brazilian sun. Overall, the mild nights and increasingly warm days contribute to a vibrant atmosphere, inviting visitors to relish in the holiday season amidst the welcoming embrace of Campinas.
December in Campinas, Brazil, marks a substantial uptick in rainfall, with precipitation reaching 150 mm (5.9 in) over 18 days. This increase aligns with the transition into the rainy season, reaffirming December's role as a pivotal month for moisture accumulation in the region. Following a trend of declining precipitation from the lush months of January and February, which boast an average of 188 mm and 173 mm respectively, December’s rainfall is notable for its consistency. With frequent showers contributing to the overall total, Campinas prepares for the lush greenery that follows, as the city's landscape flourishes under the influence of abundant rainfall.
In December, Campinas, Brazil, experiences a notable shift in humidity, with levels around 80% as the region transitions from the drier months of October and November. The fluctuations throughout the year reveal a clear trend: humidity is at its highest during the early months, peaking at 88% in January and February. As the year progresses towards the milder winter months, there’s a gradual decline, reaching a low of 65% in August. However, December sees a slight uptick again, serving as a reminder that the subtropical climate retains a degree of moisture even as the year draws to a close. This variability not only influences the local weather but also impacts day-to-day life in this vibrant Brazilian city.
In December, Campinas, Brazil, experiences a striking UV Index of 16, placing it in the extreme exposure category with a burn time of just 10 minutes. This trend of intense UV radiation is consistent with the preceding months of January, February, October, and November, all boasting similarly extreme indices. Notably, the region sees a gradual decline in UV severity as the year progresses into late spring and early summer, but December marks a return to the highest levels of solar intensity. Therefore, it’s crucial for residents and visitors alike to be vigilant about sun protection during this peak UV period. For more detailed information, check out Campinas UV Index.
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As December arrives in Campinas, Brazil, the city basks in an impressive 322 hours of sunshine, capping off a year of remarkable daylight. This peak in sunlight hours follows a consistent upward trend that begins in January with 235 hours, gradually climbing through the months. With each passing season, the sunshine hours show a compelling rise, peaking in December after a series of vibrant months, including 321 hours in March and 310 hours in September. This pattern not only highlights the summer's arrival but also emphasizes Campinas' delightful climate, making it a stunning destination for those seeking warmth and light as the year concludes.
In December, Campinas, Brazil, enjoys a 47% chance of sunny weather, marking a shift from the more unpredictable earlier months of the year. Although this probability is lower than the peak sunny periods of July and August, which boast 68% and 62% respectively, December still offers a promising balance between sun and clouds as the region transitions into the summer season. Notably, this month stands out from the preceding October (27%) and November (42%), indicating a gradual increase in sunlight as the year winds down. This growing trend highlights December as an appealing time for those seeking to enjoy the outdoors, with more frequent sunny spells becoming a delightful characteristic of the month.
In Campinas, Brazil, December ushers in one of the year’s longest days, offering 13 hours of daylight. As the year unfolds, there is a noticeable ebb and flow in daylight duration, peaking in both December and January. Following the height of summer, daylight gently tapers to 12 hours in February and continues on a gradual decline through the autumn months, reaching a minimum of 10 hours from May to July. As spring approaches, daylight begins to rebound in August and September, before rising again in October and culminating with the return to 13 hours in late November. This rhythmic cycle not only marks the changing seasons but also enriches the cultural fabric of Campinas, inviting outdoor activities and vibrant community interactions during its sun-drenched days.
In December, the wind in Campinas, Brazil dances at a gentle average speed of 3.2 m/s (7 mph), providing a refreshing contrast to the sultry summer heat. This month sees a subtle but noticeable uptick in wind activity compared to the preceding months, as fall transitions into the summer season. Notably, August through November also recorded higher winds, consistently hovering around 3.4 to 3.7 m/s (8 mph), highlighting a seasonal trend where wind speeds gradually climb from the calmer conditions seen earlier in the year. As December approaches, the slightly decreased speed doesn't quell the invigorating breeze; instead, it sets a perfect backdrop for outdoor festivities and gatherings, making it a delightful time to embrace the winds of change.
Weather in Campinas varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Campinas, focusing on differences in temperature, rainfall, humidity, and UV levels.
In December, temperatures in the area range from a minimum of 13°C (56°F) to a maximum of 36°C (97°F), with an average temperature of 24°C (75°F). The month experiences about 150 mm (5.9 in) of precipitation over 18 days, accompanied by humidity levels of around 80%.
Transitioning to January, temperatures see a slight increase, with a minimum of 14°C (58°F) and a maximum of 35°C (96°F), while still maintaining the same average of 24°C (75°F). However, January is wetter, receiving 188 mm (7.4 in) of rain over the same number of days, and the humidity rises to 88%. For a more detailed overview, you can check the Campinas weather in January.
December and February both offer warm temperatures, but February is slightly warmer on average, with a minimum of 16°C compared to December's 13°C. The maximum temperature in February can reach 37°C, just higher than December's maximum of 36°C. While both months experience considerable rainfall, February sees a bit more precipitation at 173 mm over 15 days, compared to December's 150 mm across 18 days. Additionally, February tends to be more humid, with humidity levels rising to 88% compared to December's 80%. For a detailed look at the weather in February, you can check out Campinas weather in February.
In comparing the weather of December and March, we see some distinct similarities and differences. December experiences slightly higher maximum temperatures, peaking at 36°C (97°F), whereas March's maximum is a bit cooler at 34°C (94°F). Humidity is slightly lower in December at 80%, compared to March's higher level of 87%. Additionally, December receives more precipitation overall, with 150 mm (5.9 in) across 18 days, while March sees 111 mm (4.4 in) over 14 days. For more detailed information about March weather, you can explore Campinas weather in March.
December and April both feature warm temperatures, but they differ significantly in climate conditions. In December, the average temperature is about 24°C (75°F), with highs reaching up to 36°C (97°F) and low temperatures around 13°C (56°F). This month is characterized by higher precipitation, totaling 150 mm (5.9 in) over approximately 18 days, leading to a humid environment with an 80% humidity level. In contrast, April has slightly cooler temperatures, with an average of 22°C (71°F) and maximum temperatures of 33°C (91°F). Precipitation is significantly lower at 48 mm (1.9 in) over only 5 days, and humidity is marginally higher at 84%. For more detailed information on April weather, you can visit Campinas weather in April.
December weather is characterized by significantly warmer temperatures, with minimums around 13°C (56°F) and maximums reaching up to 36°C (97°F), compared to May’s milder range of 3°C (38°F) to 32°C (90°F). Additionally, December experiences much more precipitation, averaging 150 mm (5.9 in) over 18 days, while May sees only 44 mm (1.7 in) spread across just 4 days. Despite the slightly lower humidity in May at 79% compared to December's 80%, both months retain a humid feel, particularly in December, which is also marked by heat. For more detailed insights into the conditions in May, you can visit Campinas weather in May.
In December, the weather is notably warmer, with average temperatures ranging from a minimum of 13°C (56°F) to a maximum of 36°C (97°F), accompanied by high humidity levels of 80%. This month also experiences significant rainfall, averaging 150 mm (5.9 in) spread over 18 days, contributing to a more humid atmosphere. In contrast, June brings cooler temperatures, with a minimum of 7°C (45°F) and a maximum of 29°C (84°F), and less humidity at 77%. Precipitation is minimal in June, totaling only 35 mm (1.4 in) over about 5 days, making it a drier month compared to December. For a detailed look at the weather conditions in June, you can visit Campinas weather in June.
December and July present strikingly different weather patterns. In December, temperatures range from a minimum of 13°C (56°F) to a sizzling maximum of 36°C (97°F), with an average of 24°C (75°F). This month is also marked by significant rainfall, with 150 mm (5.9 in) of precipitation spread over 18 days, resulting in high humidity levels at 80%. In contrast, July is much cooler, with temperatures varying from a chilly 2°C (36°F) to a comfortable 30°C (87°F), averaging around 18°C (64°F). July experiences minimal precipitation, with only 14 mm (0.5 in) occurring on just one day, and humidity is slightly lower at 72%. For more detailed information about the weather in July, check out Campinas weather in July.
December and August present contrasting weather conditions. December boasts higher temperatures, with a minimum of 13°C (56°F) and an average of 24°C (75°F), peaking at a scorching 36°C (97°F). In contrast, August experiences cooler temperatures, ranging from a minimum of 6°C (44°F) to an average of 19°C (66°F), and a maximum of 32°C (91°F). Additionally, December is characterized by increased precipitation, averaging 150 mm (5.9 in) over 18 days, while August sees a much drier climate with only 50 mm (2.0 in) over 6 days. The humidity levels also differ significantly, with December having an 80% humidity level compared to August’s 65%. For more specific insights into August's weather, you can visit Campinas weather in August.
In comparison to September, December experiences notably warmer temperatures, with a minimum of 13°C (56°F) and an average of 24°C (75°F), contrasted with September's minimum of 9°C (49°F) and an average of 22°C (72°F). Both months can reach a high of 36°C (97°F in December and 98°F in September), but December also sees significantly more rainfall, totaling 150 mm (5.9 in) over 18 days compared to just 37 mm (1.5 in) over 6 days in September. Additionally, December has higher humidity levels at 80%, making it feel even warmer, while September's humidity is a more comfortable 58%. For more details about September weather, you can check Campinas weather in September.
In comparing the weather between December and October, we see notable differences in temperature, precipitation, and humidity. December typically experiences a wider temperature range with a minimum of 13°C (56°F) and a maximum of 36°C (97°F), averaging around 24°C (75°F). In contrast, October features slightly lower temperatures, with minimums of 12°C (54°F) and maximums reaching up to 38°C (101°F), averaging 23°C (73°F). Although October is generally hotter, it has less humidity at 50%, compared to December's 80%. Additionally, December tends to be wetter, with 150 mm (5.9 in) of precipitation over 18 days, while October sees 110 mm (4.3 in) over 13 days. For more specific details about October weather, you can visit Campinas weather in October.
In December, temperatures are slightly warmer, with a minimum of 13°C and an average of 24°C, compared to November's minimum of 12°C and an average of 22°C. Both months experience the same maximum temperature of 36°C, but December tends to be wetter, receiving 150 mm of precipitation over 18 days, whereas November sees 137 mm over just 12 days. Additionally, December has a higher humidity level at 80%, compared to November's 75%. For more detailed weather information, you can check Campinas weather in November.
As December unfolds in Campinas, the weather takes on a distinctive character, departing from the cooler months preceding it. Temperatures typically soar, reaching a maximum of 36°C (97°F), accompanied by higher humidity levels averaging around 80%. This creates a warm and sultry atmosphere that contrasts sharply with the cooler average of 24°C (75°F) experienced earlier in the year. However, residents should be prepared for frequent rain, as December also sees about 150 mm (5.9 in) of precipitation spread over 18 days, making it one of the wetter months. Therefore, when planning your visit or activities, it's wise to embrace the warmth while keeping an umbrella handy. For more insights into how the weather evolves throughout the year, check out the detailed information on Campinas Climate.