Last updated: August 21, 2025
In Sao Vicente, Brazil, December ushers in a vibrant summer atmosphere characterized by an average temperature of 24°C (76°F). Daily highs can soar up to a scorching 35°C (95°F), while nights offer a refreshing drop to 16°C (61°F). The month is also marked by high humidity levels at 87%, creating a warm, tropical feel. Rainfall is common, with 193 mm (7.6 in) expected over 23 days, so visitors should be prepared for occasional showers amidst the warm sun. Overall, December in Sao Vicente presents a beautiful blend of warmth and moisture, perfect for enjoying the lush landscapes.
In December, Sao Vicente, Brazil experiences a delightful transition as temperatures begin to rise, embodying the vibrant energy of summer. The month starts with a minimum temperature of 16°C (61°F), offering a refreshing coolness during the early mornings and evenings. As the day progresses, the average temperature settles at a comfortable 24°C (76°F), making it an ideal time for beach outings and outdoor activities. The warmest days can reach up to 35°C (95°F), inviting locals and tourists alike to bask in the sun. This month showcases a notable trend of increasing warmth compared to the cooler months preceding it, establishing December as a festive prelude to the hottest season in Sao Vicente.
December in São Vicente, Brazil, marks a notable shift in precipitation patterns as the wet season intensifies. With 193 mm (7.6 in) of rain falling over 23 days, December experiences an increase in both the volume and frequency of rainfall compared to the previous months. This is characteristic of the transition into summer, where rainfall peaks. Interestingly, while November also saw significant precipitation at 143 mm (5.6 in) over 19 days, December's totals underscore a trend of rising moisture as the year draws to a close. The consistent pattern of wetter conditions, especially as the year progresses, highlights the vibrant climatic shifts typical of this coastal region, setting the stage for lush landscapes and thriving ecosystems.
As December arrives in São Vicente, Brazil, the humidity levels experience a noticeable shift, rising to 87%. This marks an increase from the slightly drier conditions of October and November, where humidity hovered around 76% and 85% respectively. The gradual decline in humidity throughout the middle months of the year, reaching a low of 78% in August and September, suggests a seasonal pattern that peaks again as the year draws to a close. This resurgence in moisture levels not only signals the onset of summer but also sets the stage for the vibrant landscapes and lush greenery that characterize this coastal gem. Overall, the trend underscores São Vicente's humid climate, teeming with life, as it transitions into a warmer, wetter season.
As December arrives in Sao Vicente, Brazil, the UV Index reaches a peak of 15, reflecting an extreme exposure category. This marks a continuation of the trend seen throughout the early summer months, with the UV Index steadily high from October through January. Notably, the burn time remains consistently short at just 10 minutes, highlighting the importance of sun protection during this period. Comparing earlier months, the UV Index fluctuated, dipping to 8 in May, but it quickly escalated back to extreme levels by December. As the year wraps up, be prepared for the intense sun and ensure proper precautions are taken. For more detailed information, visit Sao Vicente UV Index.
UV Risk Categories
In December, Sao Vicente dazzles with an impressive 317 hours of sunshine, marking it as the sunniest month of the year. This radiant finale to the year showcases a steady increase in daylight that begins in the spring, peaking dramatically just before the new year. Following a consistently bright November with 295 hours, December's vibrant stretch of sunlight stands out not only for its quantity but also for the warmth it brings as summer approaches. The trend of increasing sunshine hours throughout 2013—from a low of 243 hours in June to this glorious December peak—highlights Sao Vicente's appeal as a year-round destination for sun-seekers.
In December, Sao Vicente, Brazil, enjoys a moderate chance of sunny weather, with about 35% likelihood of sunshine. This reflects a slight dip compared to November's 33%, signaling a trend of variable sunshine opportunities as the year draws to a close. While December does not boast the highest probabilities, it stands in line with the cooler months of March and June, which also hover around similar percentages. As the festive season approaches, visitors can anticipate moments of brightness amidst the fluctuating tropical climate, enhancing the charm of this coastal destination.
In Sao Vicente, Brazil, December marks the return of extended daylight, basking in 13 hours of sunshine—a continuation of the trend set in November. As the year progresses from the long days of summer in January and November, daylight begins to wane through the autumn months of April to June, where it dips to 10 hours. However, as spring arrives in August and September, daylight lengthens again, reaching levels comparable to the mid-year highs. This cyclical pattern illustrates the region's dynamic seasonal shifts, offering both vibrant sunlit days and cozy evenings as the year draws to a close.
In December, the wind in Sao Vicente, Brazil begins to pick up, averaging 2.2 m/s (5 mph), a pleasant continuation of the subtle breezes observed in the preceding months. This slight increase, mirroring the wind patterns of August and November, reflects a seasonal trend towards more invigorating winds as summer approaches in the Southern Hemisphere. Throughout the year, the wind speeds have shown a gradual ascent from the gentler currents in the first half of the year to a more robust flow, peaking at 2.7 m/s (6 mph) in October. As December rolls in, locals can revel in the refreshing winds, which add a unique charm to the coastal atmosphere, making it an ideal time for outdoor activities while enjoying the sun-soaked scenery.
Weather in Sao Vicente varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Sao Vicente, focusing on differences in temperature, rainfall, humidity, and UV levels.
In December, temperatures in Sao Vicente typically range from a minimum of 16°C (61°F) to a maximum of 35°C (95°F), with an average of 24°C (76°F). The month experiences significant rainfall, totaling 193 mm (7.6 in) over 23 days, and humidity levels are high at 87%. In contrast, January sees a rise in temperatures, with a minimum of 17°C (63°F) and a maximum of 37°C (98°F), leading to an average of 26°C (79°F). Rainfall increases to 268 mm (10.6 in) across 22 days, and humidity remains slightly elevated at 89%. For more details on January weather in Sao Vicente, you can visit Sao Vicente weather in January.
In comparing the weather of December and February, we see some notable differences. December experiences slightly lower temperatures, with averages ranging from a minimum of 16°C (61°F) to a maximum of 35°C (95°F). In contrast, February is warmer, featuring minimum temperatures of 18°C (64°F) and rising to a maximum of 37°C (99°F). Both months share the same humidity level of 87%, but February remarkably has a higher total precipitation of 302 mm (11.9 in) across 22 days, compared to December's 193 mm (7.6 in) over 23 days. This indicates that February is not only warmer but also tends to be wetter, making it a unique month for weather patterns. For more detailed insights, you can visit Sao Vicente weather in February.
In comparing the weather of December and March, both months experience similar temperature ranges, with December seeing a minimum of 16°C and a maximum of 35°C, while March has a slightly higher minimum of 17°C, maintaining the same maximum. Precipitation levels, however, differ significantly; December records 193 mm over 23 days, whereas March experiences a much wetter climate with 281 mm of rain also spread over 23 days. Humidity levels are quite consistent between the two months, with December at 87% and March slightly lower at 86%. For more detailed insights regarding March weather, you can refer to Sao Vicente weather in March.
In December, temperatures typically range from a minimum of 16°C (61°F) to a maximum of 35°C (95°F), with an average of 24°C (76°F). This month also sees significant precipitation, averaging 193 mm (7.6 in) over 23 days, resulting in high humidity levels of 87%.
Conversely, April features slightly cooler temperatures, with a minimum of 15°C (60°F) and a maximum of 36°C (97°F), and an average of 23°C (73°F). The month experiences less rainfall, totaling 139 mm (5.5 in) over 16 days, contributing to a lower humidity of 84%. For more details, you can check Sao Vicente weather in April.
In comparing the weather of December and May, we see notable differences in temperature and precipitation patterns. December boasts warmer temperatures, with minimums around 16°C (61°F) and maximums reaching up to 35°C (95°F). This month also experiences significant rainfall, accumulating 193 mm (7.6 in) over 23 days, creating a humid environment with 87% humidity. In contrast, May presents cooler conditions, with minimum temperatures dropping to 11°C (51°F) and a maximum of 31°C (88°F). Rainfall is reduced to 119 mm (4.7 in) over just 12 days, and humidity is slightly lower at 84%. For more detailed information, you can check out Sao Vicente weather in May.
When comparing the weather in December and June, a notable difference is observed in temperature and precipitation. December tends to be warmer, with minimum temperatures around 16°C (61°F) and maximums reaching up to 35°C (95°F), while June has a cooler range with minimums around 11°C (52°F) and maximums peaking at 32°C (90°F). Additionally, December experiences significantly more rainfall, accumulating 193 mm (7.6 in) over 23 days, compared to June's 97 mm (3.8 in) over just 11 days. The humidity levels are relatively high during both months, with December at 87% and June slightly lower at 82%. For a detailed look at Sao Vicente's weather in June, check out this link: Sao Vicente weather in June.
December and July present contrasting weather patterns. December experiences warmer temperatures, with daily averages reaching around 24°C (76°F) and maximums soaring as high as 35°C (95°F). This month also sees substantial rainfall, with about 193 mm (7.6 in) spread over 23 days, contributing to a high humidity level of 87%. In contrast, July has cooler temperatures, featuring a minimum of 7°C (44°F) and an average of 19°C (66°F), with maximums peaking at 32°C (91°F). Additionally, July is markedly drier, receiving only 62 mm (2.4 in) of rain over just 8 days, and maintaining a lower humidity of 80%. For a closer look at July's weather, you can visit Sao Vicente weather in July.
December and August present strikingly different weather conditions. In December, temperatures range from a minimum of 16°C (61°F) to a maximum of 35°C (95°F), with an average of 24°C (76°F). The month is characterized by high humidity at 87% and considerable rainfall, accumulating 193 mm (7.6 in) over 23 days. In contrast, August offers cooler temperatures, with a minimum of 10°C (51°F), an average of 19°C (66°F), and a maximum of 34°C (93°F). Precipitation is significantly lower, totaling 99 mm (3.9 in) on just 11 days, with humidity at a more moderate 78%. For more specific information on August weather, visit Sao Vicente weather in August.
In December, temperatures in São Vicente generally range from a minimum of 16°C (61°F) to a maximum of 35°C (95°F), with an average of 24°C (76°F). This month is characterized by higher humidity at 87% and considerable rainfall, totaling 193 mm (7.6 in) over 23 days. In contrast, September experiences slightly cooler conditions, with temperatures ranging from a minimum of 12°C (54°F) to a maximum of 37°C (99°F) and an average of 21°C (70°F). Rainfall in September is significantly lower at 85 mm (3.3 in) over just 13 days, accompanied by a humidity level of 78%. For a deeper look at the September weather trends, visit Sao Vicente weather in September.
In December, the weather in Sao Vicente typically features a minimum temperature of 16°C (61°F) and an average of 24°C (76°F), with maximums reaching up to 35°C (95°F). The month experiences significant rainfall, with 193 mm (7.6 in) over 23 days and a higher humidity level of 87%. In contrast, October presents slightly cooler temperatures, with a minimum of 15°C (59°F) and an average of 22°C (72°F), while maximum temperatures can soar to 38°C (101°F). Rainfall during this month is slightly less at 181 mm (7.1 in) across 19 days, and the humidity is more comfortable at 76%. For more detailed insights into October's weather, visit Sao Vicente weather in October.
In comparing the weather of December and November, December experiences slightly higher temperatures, with average lows of 16°C (61°F) and highs reaching 35°C (95°F), while November averages a bit cooler with lows of 15°C (59°F) and the same maximum of 35°C (95°F). Additionally, December sees increased precipitation, totaling 193 mm (7.6 in) over 23 days, compared to November's 143 mm (5.6 in) over 19 days. Humidity also rises slightly in December, averaging 87%, up from 85% in November, making the latter month a bit more comfortable overall. For more detailed information on November weather, visit Sao Vicente weather in November.
As December graces São Vicente, the weather transforms into a vibrant tapestry of warmth and humidity, with temperatures typically soaring to a maximum of 35°C and settling at a comfortable average of 24°C. Unlike the cooler months, December embraces the spirit of summer, inviting visitors to bask in its warmth despite the frequent rainfall, with 23 days of precipitation adding a lush vibrancy to the surroundings. With humidity at a notable 87%, the air feels heavy yet invigorating, making this month distinctly different from those that precede it. Embrace the tropical charm of December in São Vicente by exploring more about its unique atmosphere at Sao Vicente Climate.