Last updated: August 21, 2025
In December, Barretos, Brazil experiences a warm and humid climate, with maximum temperatures reaching up to 35°C (95°F) and an average of 26°C (78°F). The month sees a mix of sunshine and rainfall, with 170 mm (6.7 in) of precipitation spread over 18 days, resulting in an average humidity of 80%. This combination creates a vibrant atmosphere ideal for exploring the region's rich culture and outdoor offerings, although visitors should be prepared for the occasional tropical rain.
In Barretos, Brazil, December ushers in a warm embrace as temperatures reflect the region's vibrant summer. With a minimum temperature of 17°C (63°F) and an average soaring to 26°C (78°F), the month offers a pleasant climate for outdoor adventures. The maximum can reach a sizzling 35°C (95°F), marking a continuation of the rising temperatures seen throughout the previous months. This month showcases a trend of warmth that peaks in October and November, before gradually settling. As the year winds down, December provides an ideal backdrop for enjoying the festive season under the Brazilian sun, perfect for both locals and tourists alike.
In December, Barretos, Brazil, experiences a notable spike in precipitation, with an impressive 170 mm (6.7 in) of rainfall over 18 days. This increase marks a continuation of the rainy season, following November's substantial 158 mm (6.2 in). Compared to the drier months of mid-year, like June and July—which saw almost no rain—it’s a vibrant shift that rejuvenates the landscape. As the year concludes, this surge of moisture is not only essential for local agriculture but also enhances the region's lush greenery, making December one of the wettest months in Barretos.
In Barretos, Brazil, December marks a notable shift as humidity levels rise to 80%, following the drier months of spring. This increase is part of a yearly trend where humidity peaks during the early summer, typically observed from December to March. After reaching its annual low of 35% in October, the air begins to retain more moisture, setting a humid tone for the holiday season. While January and February experience the highest humidity levels at 85% and 87% respectively, December's figures indicate a transition, hinting at the balance between the lingering warmth and the onset of summer rains. Overall, December's humidity serves as a reminder of the region's shifting climate, preparing residents and visitors alike for the vibrant and lush landscape that follows.
In Barretos, Brazil, December brings an extreme UV Index of 16, identical to the values seen in January and February. This consistent high level translates to a burn time of just 10 minutes, emphasizing the need for sun protection during this month. Following a trend observed throughout the year, the UV Index in December maintains its high rankings alongside other peak months such as March, September, and October, all categorized under extreme exposure. As the year wraps up, staying vigilant against UV radiation becomes crucial for residents and visitors alike. For detailed information, explore Barretos UV Index.
UV Risk Categories
December in Barretos, Brazil, bathes in 316 hours of sunshine, marking a delightful transition into summer. As the year draws to a close, this month reflects a consistent trend of bright skies following a moderate climate pattern. Notably, the sunshine hours have steadily climbed from 251 hours in January to a peak of 329 hours in March, before stabilizing in the latter half of the year. Following a slight dip in June, where the sun graced the region for 297 hours, the light returns robustly, ensuring a warm and inviting December. As the holiday season approaches, the abundance of sunshine sets the perfect backdrop for festive celebrations in this vibrant Brazilian town.
In Barretos, Brazil, the likelihood of sunny weather in December stands at a moderate 49%, reflecting a trend of increasing sunshine as the year progresses. Beginning with a mere 18% in January, the chance of sunny days steadily rises through the months, peaking at an impressive 84% in July. Following this peak, the likelihood begins to wane, dipping to 44% in October and 36% in November. December marks a middle ground, offering a balanced opportunity for sunshine amidst the transition from the dry to the wet season. Travelers and locals alike can look forward to a mix of sunny days and refreshing rains as they welcome the final month of the year.
In Barretos, Brazil, December brings a delightful 13 hours of daylight, echoing the abundant light found in both January and November. As the year draws to a close, residents and visitors alike relish these extended sunlit hours, perfect for outdoor activities and celebrations. The daylight duration gradually decreases from the peak of 13 hours in early summer, reaching its lowest point of 10 hours in June. This rhythmic ebb and flow showcases the transitional nature of the seasons in Barretos, where spring and summer shine brightly before yielding to the cooler months. Overall, December stands out as a time of warmth and vitality, inviting all to bask in the generous sunlight.
As December rolls into Barretos, Brazil, the average wind speed settles at 2.3 m/s (5 mph), marking a slight dip from the gusty heights of the previous months. Throughout the year, there’s a noticeable trend of increasing wind speeds from January’s gentle 1.8 m/s to a peak of 2.8 m/s in August. The winds then hover in the mid-range throughout the fall months, maintaining steady breezes that enhance the region's charm. This December, while a bit milder than prior late-year months, continues to embody the playful dance of the seasonal winds, adding a refreshing quality to the summer heat.
Weather in Barretos varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Barretos, focusing on differences in temperature, rainfall, humidity, and UV levels.
In December, temperatures begin with a minimum of 17°C (63°F) and peak at 35°C (95°F), with an average temperature of 26°C (78°F). The month experiences significant rainfall, accumulating 170 mm (6.7 in) over 18 days, coupled with high humidity at 80%. In contrast, January sees a slight increase in the minimum temperature to 19°C (66°F) and a maximum of 36°C (97°F), while maintaining an average of 26°C (78°F). Precipitation decreases to 143 mm (5.6 in) over 16 days, and humidity rises to 85%. For more detailed information, you can visit Barretos weather in January.
December and February exhibit similar warm temperatures, with December having an average of 26°C (78°F) compared to February’s 25°C (78°F). Both months feature high maximum temperatures, with December reaching up to 35°C (95°F) and February slightly higher at 36°C (96°F). Precipitation is quite close as well, with December receiving 170 mm (6.7 in) over 18 days, while February sees just a touch less at 165 mm (6.5 in) and 17 days of rain. Humidity also climbs in February, peaking at 87%, compared to December's 80%. For a detailed look at February’s weather patterns, visit Barretos weather in February.
In December, the weather features temperatures ranging from a minimum of 17°C (63°F) to a maximum of 35°C (95°F), with an average of 26°C (78°F). The month sees significant rainfall, with 170 mm (6.7 in) distributed over 18 days, and humidity levels around 80%. In contrast, March experiences similar temperature ranges, with a minimum of 17°C (62°F) and a maximum of 35°C (95°F), maintaining the average at 26°C (79°F). However, precipitation is lower at 104 mm (4.1 in) over 13 days, and humidity increases slightly to 86%. For more details about Barretos weather in March, you can visit Barretos weather in March.
In comparing the weather between December and April, December tends to be warmer with average temperatures reaching up to 26°C (78°F) and maximums hitting 35°C (95°F), while April sees slightly cooler temperatures with averages around 25°C (76°F) and maxima of 34°C (93°F). December also experiences significantly more rainfall, with 170 mm (6.7 in) spread over 18 days, compared to April’s 60 mm (2.4 in) over just 6 days. Interestingly, humidity levels remain quite similar in both months, hovering around 80% in December and 79% in April, making both times of the year quite humid. For more detailed information, you can visit Barretos weather in April.
December and May present strikingly different weather patterns. December boasts warmer temperatures, with a minimum of 17°C (63°F) and an average of 26°C (78°F), peaking at 35°C (95°F). However, it also brings significant precipitation, averaging 170 mm (6.7 in) over 18 rainy days and high humidity at 80%. In contrast, May features much cooler temperatures, with a minimum of 6°C (44°F) and an average of 22°C (72°F), reaching a maximum of 33°C (92°F). Additionally, May experiences significantly less rainfall, totaling just 26 mm (1.0 in) over only 2 days, and a lower humidity level of 68%. For a deeper comparison, you can explore Barretos weather in May.
In December, the weather is characterized by warm temperatures, with a minimum of 17°C (63°F) and an average of 26°C (78°F), peaking at a maximum of 35°C (95°F). This month also experiences significant rainfall, with 170 mm (6.7 inches) over approximately 18 days, leading to a high humidity level of 80%. In contrast, June brings cooler conditions, with temperatures ranging from a minimum of 9°C (49°F) to an average of 22°C (72°F) and a maximum of 31°C (89°F). The precipitation during June is minimal, only about 3 mm (0.1 inches) over just 1 day, and the humidity is lower at 60%. For more detailed insights, you can check Barretos weather in June.
When comparing December and July weather, the differences are striking. December boasts much warmer temperatures, with a minimum of 17°C (63°F), an average of 26°C (78°F), and a maximum reaching up to 35°C (95°F). In contrast, July is significantly cooler, with temperatures dipping to a minimum of 4°C (40°F), an average of 21°C (70°F), and a peak of 32°C (90°F). Additionally, December experiences a substantial amount of rainfall, totaling 170 mm (6.7 in) over 18 days, while July enjoys dry conditions with only 5 mm (0.2 in) of precipitation and no rainy days. The humidity levels also differ notably, with December sitting at 80% compared to July's 57%, making December feel much more tropical. For more details on July weather, you can check Barretos weather in July.
In December, temperatures in the region range from a minimum of 17°C (63°F) to a maximum of 35°C (95°F), with an average of 26°C (78°F). This month experiences significant rainfall, averaging 170 mm (6.7 in) over 18 days, leading to high humidity levels of around 80%. In contrast, August presents milder temperatures, with a minimum of 9°C (48°F), an average of 23°C (74°F), and a maximum similar to December at 35°C (96°F). However, the precipitation in August is considerably lower, recorded at only 14 mm (0.6 in) over just 2 days, contributing to a much drier atmosphere with a humidity of 48%. For more detailed information, you can refer to Barretos weather in August.
In December, the weather is notably warmer and more humid compared to September. With average temperatures ranging from a minimum of 17°C (63°F) to a maximum of 35°C (95°F), December experiences higher humidity levels at 80% and significant rainfall, totaling 170 mm over 18 days. In contrast, September features cooler temperatures, with a minimum of 12°C (54°F) and a maximum of 39°C (103°F), but has much lower humidity at 41% and minimal precipitation of just 23 mm over 2 days. For more detailed information, you can check Barretos weather in September.
In comparing the weather conditions between December and October, it's evident that while both months maintain relatively warm temperatures, December tends to be more humid and wetter. December has a minimum temperature of 17°C (63°F), with averages around 26°C (78°F) and highs reaching 35°C (95°F), accompanied by significant rainfall of 170 mm (6.7 in) over 18 days. In contrast, October exhibits a slightly lower minimum of 16°C (61°F), an average of 27°C (80°F), and peaks at a much higher maximum of 41°C (105°F). Precipitation in October is significantly less at 92 mm (3.6 in) over just 12 days, coupled with a much lower humidity of 35%. For more details on October weather, visit Barretos weather in October.
In comparing the weather between November and December, we see a few notable differences. December maintains a slightly higher minimum temperature of 17°C compared to November’s 15°C, while both months have the same average temperature of 26°C. However, December features a lower maximum temperature of 35°C, against November’s higher peak of 38°C. Precipitation levels are quite similar, with December receiving 170 mm over 18 days, slightly more than November's 158 mm across 16 days. Additionally, December experiences higher humidity levels at 80%, compared to November's 65%. For further details, you can check Barretos weather in November.
In December, Barretos experiences a shift in weather that sets it apart from the other months of the year. With higher temperatures reaching up to 35°C, the warmth is balanced by the onset of the rainy season, leading to increased humidity levels around 80%. This month sees considerably more precipitation, with around 18 days of rain contributing to a total of 170 mm, creating a lush backdrop for the vibrant landscapes of the region. While the warmth invites outdoor activities, the frequent showers remind residents and visitors alike of the tropical climate. For a detailed overview of Barretos' weather patterns throughout the year, visit Barretos Climate.