Last updated: February 24, 2025
In December, São Vicente, Portugal, experiences a mild climate with maximum temperatures peaking at 21°C (70°F) and a comfortable average of 16°C (61°F). As the month progresses, temperatures can dip to a minimum of 10°C (51°F), offering a refreshing coolness. Despite the generally pleasant weather, the region sees 58 mm (2.3 in) of rainfall over approximately 11 days, contributing to a humidity level of 75%. This blend of warm days and occasional showers makes December an ideal time for visitors looking to explore the natural beauty and vibrant culture of São Vicente while enjoying the softer touch of winter.
In December, São Vicente, Portugal embraces the onset of winter with mild temperatures that offer a comfortable retreat from the chillier northern climates. With nightly lows averaging around 10°C (51°F), residents can expect a gentle embrace from the cool evening air. The daytime warms up to a pleasant average of 16°C (61°F), peaking at a maximum of 21°C (70°F), making it an inviting time to explore the scenic beauty of the region. While the month sees a slight dip in temperatures compared to the preceding months—especially following the moderate temperatures of November—the overall climate remains relatively mild. This trend of gentle winter weather allows visitors and locals alike to enjoy outdoor activities without the hustle and bustle often associated with colder, harsher winters elsewhere.
In December, São Vicente, Portugal experiences a notable shift in precipitation patterns, with 58 mm (2.3 in) of rain spread over 11 days. This period marks a transition from the lingering autumn rains of November, which recorded the highest precipitation of the year at 67 mm (2.6 in) over 15 days. As the region wraps up the year, the rainfall is consistent yet slightly less intense than the preceding month. Interestingly, December's precipitation aligns closely with the milder months earlier in the year, such as October, characterized by 57 mm (2.3 in) over a comparable number of rainy days. This trend highlights a gradual tapering off of rainfall as winter progresses, suggestive of a pattern where late autumn experiences heightened precipitation, followed by a more stable, yet still damp, December. Such trends not only enrich the landscape but also set the stage for the region's unique climate in the upcoming months.
In Sao Vicente, Portugal, December marks a return to moderate humidity levels that mirror the beginning of the year, settling at 75%. This month, along with January and February, reflects the region's cooler, dryer winter climate following a peak in humidity during the summer months of July and August, which rekord levels of 83%. As we transition from the lush and humid days of summer, the gradual decline in humidity through the autumn months suggests a pattern of seasonal variation, with December wrapping up the year with refreshing air that feels pleasantly crisp. The overall trend indicates a shift from the higher humidity typical of the summer to a more comfortable and stable moisture level as the year concludes.
In December, Sao Vicente experiences a UV Index of 4, categorizing it as moderate. This marks a noticeable decline from the extreme levels seen during the summer months, where the UV Index soared to a peak of 12 in June and 11 in both July and August, demanding a burn time of just 10 minutes for skin protection. As the year winds down, the burn time elongates back to 30 minutes, allowing for a more leisurely outdoor experience. This trend highlights the seasonal ebb and flow of UV radiation, encouraging residents and visitors alike to remain vigilant but enjoy the moderate conditions without as much concern. For more detailed insights, check out the Sao Vicente UV Index.
UV Risk Categories
December in São Vicente, Portugal, offers a warm embrace with 246 hours of sunshine, marking a delightful close to the year. As winter approaches, the sun starts to dip from the highs of summer, where July shines brightest at 391 hours. Interestingly, there’s a gradual decline in sunshine from the summer months, reflecting a natural transition into the cooler seasons. While December may not boast the sun-soaked glory of July, it still offers a generous amount of light, outshining the earlier months of November and January, which hover at 260 and 191 hours, respectively. This trend highlights São Vicente’s ability to offer warmth even as the calendar year comes to an end, making it an inviting destination for those seeking a glimmer of sunshine in the cooler, festive month of December.
As December rolls in, Sao Vicente experiences a notable dip in sunshine, with a 32% chance of clear skies. This trend reflects a gradual decrease from the sunnier months of July and August, which boast chances of 63% and 60% respectively. Although the sunshine probability starts to taper off in late autumn, with November trailing at 37%, the weather remains significantly brighter compared to the winter months ahead. Enthusiasts of sunny weather would do well to plan for a mix of cloudy and sunny days, embracing the occasional rays that still peek through the December overcast.
In Sao Vicente, Portugal, the year unfolds with a captivating rhythm of daylight, peaking in June and July at a generous 14 hours. As the seasons progress from winter to summer, daylight gradually increases, reaching its zenith during the sun-soaked summer months. However, as August gives way to fall, a steady decline emerges, with daylight dwindling back down to 10 hours by December. Notably, the transition between each month is smooth, with each shift of just one or two hours, creating a gentle ebb and flow of light that beautifully enhances the coastal charm of this picturesque town.
As we transition into December in São Vicente, Portugal, we notice a notable increase in average wind speed, rising to 3.4 m/s (8 mph)—the highest for the year. This uptick not only signifies a shift in the seasonal winds but also brings a refreshing chill that contrasts with the milder months preceding it. Throughout the year, wind speeds generally hover between 2.5 m/s and 3.2 m/s, with summer and early autumn months displaying more consistent, gentle breezes. However, December marks a clear departure from this pattern, hinting at the arrival of winter and creating an invigorating atmosphere that encourages outdoor exploration and seaside adventures. The brisk winds invite both residents and visitors to embrace the unique charm of São Vicente during this transitional time of year.
The weather in Sao Vicente changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of December's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Sao Vicente and find detailed weather information for every month.
In December, the weather in Sao Vicente is characterized by mild temperatures, with a minimum of 10°C (51°F), an average of 16°C (61°F), and a maximum of 21°C (70°F). The month sees about 58 mm (2.3 in) of rain over 11 days, accompanied by a humidity level of 75%. In contrast, January brings slightly cooler temperatures, with a minimum of 9°C (49°F), an average of 15°C (59°F), and a higher maximum of 22°C (71°F). Precipitation decreases to 38 mm (1.5 in) over just 7 days, while the humidity remains consistent at 75%. For more detailed insights into January weather, you can check out Sao Vicente weather in January.
In December, the weather typically features a mild range of temperatures, with a minimum of 10°C (51°F) and an average of 16°C (61°F), peaking at a maximum of 21°C (70°F). The month experiences about 58 mm (2.3 in) of precipitation over 11 days, with a consistent humidity level of 75%. In contrast, February sees slightly cooler conditions, with temperatures ranging from a minimum of 9°C (49°F) to an average of 14°C (58°F), and a maximum of 22°C (72°F). Precipitation in February is also comparable, at around 60 mm (2.4 in), but with rainfall on just 9 days. Overall, both months maintain a similar level of humidity, creating a relatively stable climate. For more detailed insights about February weather, you can check Sao Vicente weather in February.
December and March display several differences in weather patterns. In December, temperatures range from a minimum of 10°C (51°F) to a maximum of 21°C (70°F), with an average of 16°C (61°F). This month experiences about 58 mm (2.3 in) of precipitation over 11 days, coupled with a humidity level of 75%. In contrast, March sees slightly cooler temperatures, with a minimum of 8°C (47°F) and a maximum that can reach 24°C (76°F), resulting in an average temperature of 14°C (58°F). Precipitation decreases slightly to 52 mm (2.1 in) over 9 days, but humidity increases to 78%. For a closer look at the weather specifics for March, you can check Sao Vicente weather in March.
In December, the weather features mild temperatures with a minimum of 10°C (51°F), an average of 16°C (61°F), and a maximum of 21°C (70°F). The month experiences around 58 mm (2.3 in) of precipitation over about 11 days, with humidity levels at 75%. In contrast, April sees slightly warmer conditions with a minimum of 11°C (51°F) and a maximum of 23°C (74°F), while the average temperature is around 15°C (60°F). The precipitation is similar at 56 mm (2.2 in) over 12 days, but humidity rises slightly to 78%. For more detailed insights on April weather conditions, you can check Sao Vicente weather in April.
December's weather is generally cool and wet, with temperatures ranging from a minimum of 10°C (51°F) to a pleasant maximum of 21°C (70°F). During this month, residents can expect around 58 mm (2.3 in) of rain over 11 days, coupled with a humidity level of 75%. In contrast, May experiences slightly warmer temperatures, with minimums around 12°C (53°F) and maximums reaching 26°C (78°F). The precipitation is notably lower in May, totaling 23 mm (0.9 in) over just 6 days, and humidity sits at a similar level of 77%. For more specific insights on the weather during this time, check out Sao Vicente weather in May.
In December, the weather is generally mild with temperatures ranging from a minimum of 10°C (51°F) to a maximum of 21°C (70°F), and an average temperature of 16°C (61°F). The month experiences relatively high humidity at 75% and about 58 mm (2.3 in) of rainfall over approximately 11 days. In contrast, June offers slightly warmer conditions, with temperatures ranging from a minimum of 13°C (56°F) to a maximum of 26°C (79°F) and an average temperature of 18°C (65°F). Additionally, June is drier, receiving only 36 mm (1.4 in) of precipitation over about 7 days, albeit with a higher humidity level of 80%. For a detailed look at the weather in June, check out this link: Sao Vicente weather in June.
In December, temperatures in São Vicente range from a minimum of 10°C (51°F) to a maximum of 21°C (70°F), with an average of 16°C (61°F). The month sees moderate precipitation, averaging 58 mm (2.3 in) over about 11 days, coupled with a humidity level of 75%. In contrast, July experiences warmer conditions, with minimum temperatures starting at 16°C (62°F) and peaking at 27°C (82°F), averaging around 20°C (68°F). Rainfall is minimal, recorded at only 7 mm (0.3 in) and occurring over just one day, while humidity remains slightly higher at 83%. For a detailed overview of July weather, check Sao Vicente weather in July.
In December, the weather is cooler with average temperatures ranging from a minimum of 10°C (51°F) to a maximum of 21°C (70°F), accompanied by a moderate level of humidity at 75%. This month also sees a higher amount of precipitation, with about 58 mm (2.3 in) spread over 11 days. In contrast, August boasts warmer temperatures, with a minimum of 17°C (63°F) and a maximum of 29°C (84°F), making it the warmest month of the year. The humidity is slightly higher at 83%, but the precipitation is significantly lower, only 8 mm (0.3 in) over just 2 days. For more details, check out Sao Vicente weather in August.
In comparing December and September weather, December tends to be cooler with average temperatures ranging from a minimum of 10°C (51°F) to a maximum of 21°C (70°F), while September enjoys warmer temperatures, averaging between 17°C (63°F) and 27°C (81°F). Additionally, December experiences more frequent rainfall, with 58 mm (2.3 in) of precipitation over 11 days, compared to just 18 mm (0.7 in) over 6 days in September. Despite slightly lower humidity in December at 75%, September has a higher humidity level of 81%. For more details on September weather, you can visit Sao Vicente weather in September.
In December, the weather is generally cooler than in October, with average temperatures ranging from a minimum of 10°C (51°F) to a maximum of 21°C (70°F), compared to October's warmer range of 14°C (58°F) to 28°C (82°F). Precipitation levels are similar in both months, with December seeing 58 mm (2.3 in) over 11 days and October slightly lower at 57 mm (2.3 in) over 10 days. Humidity is also a bit higher in December at 75%, while October experiences a humidity level of 80%. For more specific details about October weather, you can visit Sao Vicente weather in October.
In December, the weather shows a slight cooling trend compared to November, with average temperatures dropping from 17°C (63°F) in November to 16°C (61°F) in December. Although the minimum temperatures remain consistent at 10°C (51°F) for both months, December sees a lower maximum temperature of 21°C (70°F) compared to November's warmer peak of 26°C (79°F). Precipitation is also notable, with December experiencing 58 mm (2.3 in) across 11 days, while November has slightly more rain at 67 mm (2.6 in) over 15 days. Humidity remains the same at 75% in both months, maintaining a relatively consistent dampness in the air. For more detailed insights, check out Sao Vicente weather in November.
December in São Vicente brings a refreshing shift in climate as the island transitions from the warmer months. While temperatures remain mild, averaging around 16°C (61°F), the cooler evenings and increased humidity create a cozy atmosphere ideal for enjoying the local culture. This month sees a noticeable uptick in precipitation, marking a departure from the drier periods of the earlier year, with rains gracing the area for about 11 days. Despite the clouds and occasional showers, December is a magical time to experience the lush greenery that the rain fosters. For a deeper understanding of how December fits into the larger picture of São Vicente's weather, explore the details at Sao Vicente Climate.