Last updated: August 21, 2025
In December, São Joaquim, Brazil showcases a dynamic climate, with temperatures peaking at 30°C (86°F) and dipping to a chilly 4°C (39°F), resulting in a comfortable average of 18°C (65°F). Rainfall graces the region with 96 mm (3.8 in) of precipitation over about 14 days, contributing to a notably humid atmosphere, reaching 87%. This blend of warmth and moisture creates a unique backdrop, perfect for exploring the natural beauty and vibrant culture of this picturesque destination.
In Sao Joaquim, Brazil, December heralds the onset of warmer days as summer approaches, with temperatures showing a delightful range that caters to a variety of preferences. The month typically experiences a minimum temperature of 4°C (39°F), offering cool mornings that gradually give way to an average of 18°C (65°F) during the day, perfect for outdoor explorations. As the days progress, you can expect highs reaching up to 30°C (86°F), inviting sun-seekers and nature enthusiasts alike to bask in the warmth. Comparing December to the preceding months, it's clear that the region shifts from the brisk, cool conditions of early winter to a more temperate climate, making it an ideal time to enjoy the vibrant landscapes and the festive spirit of the season.
In December, São Joaquim experiences a moderate precipitation level of 96 mm (3.8 in), spread across 14 days of rainfall. This amount marks a slight increase compared to the drier months of late autumn, such as April and August, but is lower than the peak seen in January. The consistent precipitation pattern observed throughout the year suggests a shift towards a wetter season, as the region wraps up the year. The rainfall in December plays a crucial role in replenishing local water sources and supports the lush, vibrant landscape of this charming Brazilian town, setting a vivid backdrop for the festive end-of-year celebrations.
In December, the humidity in Sao Joaquim, Brazil reaches a notable 87%, marking a peak as the year draws to a close. This rise is part of a distinct trend observed throughout the year, where humidity fluctuates but generally leans towards the higher end, especially from May to December. The increase from November's 83% to December's level aligns with the seasonal transition into the warmer months, thus enhancing the overall moisture in the environment. Notably, May boasts the highest humidity at 88%, while August, with its 77%, indicates a fresher and drier period in contrast. As we reflect on the year, December captures that familiar wrapping of humidity, setting the stage for the lush, vibrant summers ahead.
In December, Sao Joaquim, Brazil experiences an intense UV Index of 15, categorizing it as extreme and resulting in a rapid burn time of just 10 minutes for unprotected skin. This mirrors the trend observed over previous months where the UV Index remained consistently high, particularly peaking at 16 in January and 15 in February, echoing similar dangers through the spring months. As we transition from the lavish summer to the cooler days of early winter, it’s crucial to remain vigilant about sun exposure. Despite a dip in UV levels during May and June, the latter half of the year, including December, illustrates that protective measures are essential. Ensuring safety from harmful UV rays becomes increasingly critical as the year rounds out, so stay informed and prepared. For more detailed information, check the Sao Joaquim UV Index.
UV Risk Categories
In Sao Joaquim, Brazil, December stands out as a month drenched in abundant sunshine, boasting an impressive 340 hours of sunlight—the highest of the year. This remarkable increase reflects a seasonal trend where daylight hours peak as the year draws to a close, contrasting sharply with the cooler and cloudier months of mid-year. While November also offers a generous 305 hours, it’s December that truly embraces the summer spirit, providing ample opportunity for outdoor activities and festive celebrations under clear blue skies. As the sun shines bright, visitors and locals alike relish this vibrant atmosphere, making the most of the radiant days.
In December, São Joaquim enjoys a promising chance of sunny weather, with approximately 45% likelihood of clear skies. This reflects a noticeable increase as the year progresses, particularly when compared to the much cooler and sunnier months of May and July, both at 57%. As the transition into summer begins, December stands out for its favorable sun opportunities, especially after the lower probabilities seen in the earlier months like October and November. This trend of increasing sunshine hints at a vibrant end to the year, making December an appealing time for visitors to bask in the warmth of São Joaquim's festive atmosphere.
In Sao Joaquim, Brazil, the daylight duration follows a distinctive seasonal rhythm throughout the year. Starting with a generous 13 hours of daylight in January and February, the days gradually shorten, reaching their shortest at 10 hours during the mid-year months of May through July. As summer approaches, the daylight duration begins to steadily increase again, culminating in November and returning to 13 hours in December. This cyclical pattern highlights the region's embrace of long summer days and shorter winter twilights, inviting both locals and visitors to experience the beauty of its varying light throughout the year.
As December settles over São Joaquim, the wind whispers a gentler tune, with an average speed of 2.8 m/s (6 mph) that mirrors the softening chill of the approaching summer. This slight decline follows a trend observed throughout the year, where month-to-month variations in wind speed reveal a pattern of mild breezes from mid-year onward. Notably, the strongest gusts occur in the lively months of August and September, reaching up to 3.5 m/s (8 mph), before the winds transition into a calmer rhythm as the year wraps up. This ease in December's breeze invites cozy gatherings and contemplative moments, enhancing the serene beauty of the season in this high-altitude gem of Brazil.
Weather in Sao Joaquim varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Sao Joaquim, focusing on differences in temperature, rainfall, humidity, and UV levels.
In December, temperatures range from a minimum of 4°C (39°F) to a maximum of 30°C (86°F), with an average of 18°C (65°F) and relatively high humidity at 87%. The month sees about 96 mm (3.8 in) of rainfall spread over 14 days. In contrast, January experiences slightly warmer temperatures, with a minimum of 8°C (47°F) and a maximum of 29°C (85°F), averaging around 19°C (66°F). Precipitation also increases to 142 mm (5.6 in) over 16 days, while humidity decreases to 80%. For more detailed insights, you can check Sao Joaquim weather in January.
December and February exhibit relatively similar weather patterns, with average temperatures hovering around 18°C (65°F) for both months. However, December typically sees slightly warmer maximum temperatures peaking at 30°C (86°F), compared to February's 29°C (85°F). Precipitation levels are also noteworthy, with December receiving 96 mm (3.8 in) over 14 days, while February experiences slightly less rain at 87 mm (3.4 in) across 13 days. Moreover, humidity in December is higher at 87%, contrasting with February's more comfortable 77%. For a detailed look at February weather, check out Sao Joaquim weather in February.
In December, the weather is characterized by warmer temperatures, with a minimum of 4°C (39°F), an average of 18°C (65°F), and a maximum of 30°C (86°F). Precipitation is relatively high at 96 mm (3.8 in), occurring over 14 days, and the humidity is quite high at 87%. In contrast, March sees slightly milder conditions, with a minimum temperature of 8°C (47°F) and similar maximum and average temperatures, both at 30°C (86°F) and 18°C (64°F), respectively. The month experiences a bit more rainfall at 98 mm (3.9 in) over 15 days, but humidity decreases to 79%. For a detailed look at the weather patterns in March, you can visit Sao Joaquim weather in March.
In December, the weather is significantly warmer, with temperatures ranging from a minimum of 4°C (39°F) to a maximum of 30°C (86°F) and an average temperature of 18°C (65°F). This month also experiences higher precipitation, totaling 96 mm (3.8 in) over 14 days, contributing to a humidity level of 87%. In contrast, April brings cooler temperatures, with a minimum of -1°C (31°F), an average of 15°C (59°F), and a maximum of 25°C (78°F). Precipitation is lower in April at 63 mm (2.5 in) spread over just 8 days, resulting in slightly drier air with a humidity of 83%. For more detailed insights on the weather in April, visit Sao Joaquim weather in April.
December and May present contrasting weather conditions. In December, temperatures range from a minimum of 4°C (39°F) to a maximum of 30°C (86°F), with an average of 18°C (65°F), and a total precipitation of 96 mm (3.8 in) spread over 14 days, leading to a humid atmosphere with 87% humidity. Conversely, May sees cooler temperatures, with a minimum of -1°C (31°F) and a maximum of 25°C (76°F), averaging around 12°C (54°F). Despite having slightly higher precipitation of 129 mm (5.1 in) over 11 days, the humidity in May is marginally higher at 88%. For more specific details, you can check out Sao Joaquim weather in May.
In December, Sao Joaquim enjoys warm temperatures, with a minimum of 4°C (39°F) and an average high of 30°C (86°F), making it a much warmer month compared to June, where temperatures range from a minimum of -4°C (25°F) to a maximum of 23°C (73°F). December also experiences higher humidity at 87% and more precipitation over 14 days, totaling 96 mm (3.8 in), while June, with 130 mm (5.1 in) of rain, sees precipitation on 11 days, indicating a slightly drier distribution of rainfall. For those interested in a detailed look at the weather in June, you can find more information here: Sao Joaquim weather in June.
The weather in December features significantly warmer temperatures compared to July, with daily averages ranging from a minimum of 4°C (39°F) to a maximum of 30°C (86°F), while July experiences cooler conditions, with temperatures ranging from a chilly -6°C (22°F) to a maximum of 24°C (75°F). Additionally, December sees higher precipitation levels, with 96 mm (3.8 in) over 14 days, compared to July's 85 mm (3.3 in) over just 8 days. Despite December's increased rainfall, the humidity is slightly higher at 87%, compared to July's 82%. For more details about the specific weather in July, you can check Sao Joaquim weather in July.
When comparing the weather in December and August, December brings warmer temperatures, with a minimum of 4°C (39°F) and a maximum of 30°C (86°F), while August experiences cooler weather, ranging from a minimum of -5°C (24°F) to a maximum of 26°C (79°F). December is also characterized by higher humidity at 87% and more frequent rainfall, averaging 96 mm (3.8 in) over 14 days, compared to August's 71 mm (2.8 in) across just 7 days. For a detailed look at the weather conditions during August, you can visit Sao Joaquim weather in August.
In December, temperatures are generally warmer, ranging from a minimum of 4°C (39°F) to a maximum of 30°C (86°F), with an average of 18°C (65°F). The month experiences higher humidity at 87% and receives about 96 mm (3.8 inches) of precipitation over 14 days. In contrast, September features cooler temperatures, with a minimum of 2°C (36°F) and a maximum of 28°C (82°F), averaging 15°C (59°F). September also sees more rainfall, totaling 129 mm (5.1 inches) across 12 days, but with lower humidity at 80%. For more details about September weather, check out Sao Joaquim weather in September.
When comparing the weather between December and October, December tends to be slightly warmer, with average temperatures ranging from a minimum of 4°C (39°F) to a maximum of 30°C (86°F), compared to October's range of 2°C (36°F) to 29°C (84°F). Additionally, December experiences a lower average precipitation, totaling 96 mm (3.8 in) over 14 days, while October sees 123 mm (4.8 in) across 15 days. This slight decrease in rain coupled with higher humidity levels in December, which is at 87%, makes for a more tropical feel compared to October’s 84% humidity. For more detailed insights on the weather patterns in October, you can visit Sao Joaquim weather in October.
In comparing the weather of December to that of November, we can observe a slight increase in average temperatures, with December averaging 18°C (65°F) compared to November's 16°C (61°F). The maximum temperatures also rise, with December reaching up to 30°C (86°F), whereas November peaks at 27°C (81°F). Despite the warmth, December experiences slightly more precipitation at 96 mm (3.8 in) over 14 days, compared to November's 122 mm (4.8 in) over 12 days. Humidity remains relatively high in both months, with December at 87% and November at 83%. For more details on November's weather specifics, you can check Sao Joaquim weather in November.
In December, Sao Joaquim experiences a notable shift in weather, characterized by warmer temperatures and increased humidity compared to other months. With maximums reaching around 30°C (86°F), the city invites visitors to enjoy its vibrant landscapes, even as cooler nights dip to a brisk 4°C (39°F). This month sees a significant uptick in precipitation, with almost half of the days marking rainfall, contributing to the lush greenery that defines the region. The high humidity at 87% creates a unique atmosphere, often making it feel even warmer. For a deeper dive into what you can expect from this charming destination throughout the year, check out Sao Joaquim Climate.