Last updated: February 24, 2025
December in São Bartolomeu, Portugal brings a blend of mild temperatures and refreshing rainfall. With maximum temperatures reaching 18°C (65°F) and dropping to 5°C (42°F) at night, the average settles around a comfortable 13°C (55°F). This month experiences approximately 71 mm (2.8 in) of precipitation over about 10 days, creating a humid atmosphere at around 85%. While the days may be cool and occasionally wet, the charm of São Bartolomeu during December is unmistakable, making it a unique time to experience the beauty of this coastal town.
In December, São Bartolomeu experiences a gentle transition into winter, with temperatures showcasing a notable drop compared to the milder months preceding it. The month starts off with minimum temperatures around 5°C (42°F), rising modestly to an average of 13°C (55°F) and peaking at a comfortable 18°C (65°F). This reflects a trend of gradually decreasing warmth as the year comes to a close, yet December retains a crisp charm that invites visitors to explore its scenic beauty. With the festive season and cooler evenings, it’s a delightful time to experience the unique ambiance of this Portuguese gem, perfect for cozy gatherings and enjoying the fresh coastal air.
December in São Bartolomeu, Portugal, marks a significant shift in the precipitation pattern, with 71 mm (2.8 in) of rain falling over approximately 10 days. This not only highlights a noticeable increase from the preceding months, particularly November's 90 mm over 13 days, but also reflects the transitional nature of late autumn into winter. The descent from the heavier rains of November to December demonstrates a slight moderation in rainfall, contributing to a seasonal rhythm that characterizes the region. In contrast to the summer months, when barely any rain is recorded, December's precipitation paves the way for the lush landscapes that define the winter months, suggesting a cycle of renewal and growth as the year comes to a close.
In December, Sao Bartolomeu, Portugal, experiences a return to higher humidity levels, with the month averaging around 85%. This marks a noticeable increase from the drier summer months, where humidity dipped as low as 60% in both July and August. As the year draws to a close, the fall transition to winter is evident, as humidity levels rise significantly from November's 83%. Interestingly, the general trend showcases a pattern of higher humidity at the beginning and end of the year, contrasting with the drier, more comfortable months of summer. This seasonal fluctuation highlights the region's temperate climate, offering a unique experience for residents and visitors alike.
As December rolls into Sao Bartolomeu, the UV Index dips back down to a moderate level of 3, mirroring the values seen in January and November. This decline marks a refreshing change from the extreme and very high UV levels experienced in the summer months, particularly in June with a peak of 11. Throughout the year, the trend showcases a gradual increase from a moderate exposure in the early months to a significant spike in the spring and summer, before tapering off again as winter approaches. With a burn time of 30 minutes, it's essential to remain mindful of sun protection, even in the cooler month of December. For more detailed insights, explore the Sao Bartolomeu UV Index.
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As the year draws to a close, December in São Bartolomeu, Portugal offers a gentle retreat from the vibrant sunshine seen in the earlier months, with an average of 218 hours of sunlight. While this marks a decline from the summer peak of 420 hours in July, it remains a comforting glow compared to the dimness of winter in many other regions. The trend of increasing daylight peaking in midsummer gradually softens in the fall, revealing a seasonal rhythm that invites both reflection and tranquility. December's sunshine, though less abundant, weaves a serene tapestry of light that enriches the local landscapes, making the approach of winter a beautiful and gentle transition.
In Sao Bartolomeu, Portugal, December tends to embrace a cooler, cloudier atmosphere, with a 37% chance of sunny weather. This represents a noticeable dip compared to the preceding months, particularly November, which boasts a more promising 64% chance of sunshine. As we transition from the height of summer—where sunlit days dominate with probabilities reaching 64% in July and August—the likelihood of sunny weather in the winter months, such as December, starts to decline significantly. While there's still a fair chance to enjoy some brightness, December's weather invites a more temperate climate, hinting at the cozy charm of Portuguese winter days.
In Sao Bartolomeu, Portugal, the daylight duration experiences a rhythmic ebb and flow throughout the year, peaking during the summer months. June, July, and August claim the longest days, offering up to 14 hours of sunlight, which gives way to the gradual decline of daylight as autumn rolls in. By December, the days shorten significantly to just 9 hours, echoing the trend observed in both January and November. This cyclical pattern not only highlights the transition of seasons but also invites residents and visitors to savor the rich tapestry of daylight, from the lush brightness of late spring and summer to the cozy embrace of winter’s shorter days. The steady decrease in daylight from the vibrant spring peaks to the quieter winter months offers a unique charm that characterizes Sao Bartolomeu’s seasonal landscape.
As December arrives in São Bartolomeu, Portugal, the winds begin to pick up, with an average speed of 5.3 m/s (12 mph), aligning closely with the breezy conditions of February and July. This transitional month marks a notable shift from the calmer gusts of late autumn; November's winds taper off at 4.6 m/s (10 mph), while December breathes a refreshing vigor into the air. Interestingly, across the year, wind speeds fluctuate, reflecting a mild crescendo in the spring and summer months before retreating into calmer fall and winter days. However, December's robust winds suggest a continued vitality, inviting both locals and visitors to experience the invigorating spirit of the season in this charming coastal town.
The weather in Sao Bartolomeu 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 Bartolomeu and find detailed weather information for every month.
In December, the weather typically features a minimum temperature of 5°C (42°F) and an average of 13°C (55°F), reaching a maximum of 18°C (65°F). With about 71 mm (2.8 in) of precipitation spread over 10 days, December is comparatively wetter, though it maintains a steady humidity level of 85%.
In contrast, January cools slightly with a minimum of 3°C (37°F) and an average temperature of 11°C (53°F), peaking at 19°C (67°F). This month experiences less precipitation, totaling 45 mm (1.8 in), and rain is expected over only 7 days. Despite these differences, both months share a high humidity level of 85%. For more detailed information, you can refer to Sao Bartolomeu weather in January.
In December, temperatures range from a minimum of 5°C (42°F) to a maximum of 18°C (65°F), with an average of 13°C (55°F). The month experiences about 71 mm (2.8 in) of precipitation over 10 days, contributing to a higher humidity level of 85%. In contrast, February sees similar minimum temperatures but a slightly warmer maximum of 22°C (71°F), while maintaining the same average of 13°C (55°F). Precipitation decreases to 54 mm (2.1 in) over 8 days, resulting in lower humidity at 75%. For more details on February weather, check Sao Bartolomeu weather in February.
In December, the weather tends to be cooler, with minimum temperatures around 5°C (42°F) and maximums reaching 18°C (65°F), while March sees slightly milder conditions with minimums of 7°C (44°F) and highs soaring to 24°C (76°F). Both months experience similar average temperatures, hovering around 13°C (55°F) to 13°C (56°F), but March offers a more pronounced warmth during the day. Precipitation levels are relatively close, with December receiving 71 mm (2.8 in) over about 10 days and March having 69 mm (2.7 in) across 9 days, which suggests that the rainy season is tapering off into the spring. Additionally, humidity is notably higher in December at 85%, compared to the more comfortable 72% in March. For more detailed insights, you can explore Sao Bartolomeu weather in March.
In December, the weather features milder temperatures, with a minimum of 5°C (42°F) and an average of 13°C (55°F), while the maximum reaches around 18°C (65°F). The month also experiences significant precipitation, totaling 71 mm (2.8 in) over approximately 10 days, and humidity levels are relatively high at 85%. In contrast, April brings slightly warmer conditions, with a minimum temperature of 7°C (45°F) and an average of 14°C (58°F), peaking at 25°C (76°F). Precipitation in April is somewhat higher at 79 mm (3.1 in) over 12 days, but the humidity drops to a more comfortable 70%. For more information on April weather specifics, you can check Sao Bartolomeu weather in April.
In December, the weather is cooler with temperatures ranging from a minimum of 5°C (42°F) to a maximum of 18°C (65°F), averaging around 13°C (55°F). The month typically experiences about 71 mm (2.8 in) of precipitation over approximately 10 days, accompanied by high humidity levels of 85%. In contrast, May brings warmer temperatures, with a minimum of 10°C (49°F) and a maximum reaching up to 31°C (89°F), averaging 17°C (63°F). The precipitation in May is significantly lower at 39 mm (1.5 in) across roughly 5 days, and the humidity is more comfortable at 70%. For a detailed look at the weather during this month, check out Sao Bartolomeu weather in May.
December and June present distinctly different weather patterns. In December, temperatures range from a minimum of 5°C (42°F) to a maximum of 18°C (65°F), with an average of 13°C (55°F). This month experiences higher humidity at 85%, along with 71 mm (2.8 in) of precipitation spread over 10 days. In contrast, June boasts warmer temperatures, with a low of 13°C (55°F) and highs reaching up to 31°C (88°F), averaging around 18°C (65°F). It sees significantly less rainfall, just 17 mm (0.7 in) over 5 days, and a much more comfortable humidity level of 63%. For more detailed insights, check out Sao Bartolomeu weather in June.
December and July present a striking contrast in weather conditions. During December, temperatures range from a minimum of 5°C (42°F) to a maximum of 18°C (65°F), with an average temperature of 13°C (55°F). The month is characterized by higher humidity at 85% and a notable amount of precipitation, averaging 71 mm (2.8 in) over approximately 10 days. In contrast, July boasts much warmer conditions, with temperatures spanning from a minimum of 14°C (58°F) to a sweltering maximum of 32°C (90°F), and an average of 19°C (67°F). Rain is scarce in July, with only 8 mm (0.3 in) of precipitation occurring over just one day, alongside lower humidity levels of 60%. For more insights into the weather specifics of July, you can check Sao Bartolomeu weather in July.
The weather in December is considerably cooler and wetter compared to the warm, dry conditions of August. In December, temperatures range from a minimum of 5°C (42°F) to a maximum of 18°C (65°F), with an average of 13°C (55°F). The month sees about 71 mm (2.8 in) of rainfall over approximately 10 days, accompanied by high humidity levels at 85%. In stark contrast, August enjoys much milder temperatures, with a minimum of 15°C (60°F) and a maximum reaching 33°C (92°F), along with a comfortable average of 20°C (68°F). Rainfall is minimal, at just 6 mm (0.2 in) over only 1 day, and humidity is lower at 60%. For more details about August weather, you can visit Sao Bartolomeu weather in August.
December weather contrasts sharply with September, showcasing a noticeable shift in temperature and precipitation. In December, temperatures range from a minimum of 5°C (42°F) to a maximum of 18°C (65°F), averaging around 13°C (55°F). This month also experiences higher humidity at 85% and more frequent rainfall, with about 71 mm (2.8 in) of precipitation over 10 days. In contrast, September boasts milder temperatures, with a minimum of 13°C (56°F) and a maximum of 31°C (88°F), averaging 19°C (67°F), accompanied by significantly lower precipitation of just 27 mm (1.1 in) over only 3 days and lower humidity at 67%. For more details on September weather, check out Sao Bartolomeu weather in September.
In comparing December and October weather, we observe distinct differences in temperature and humidity. December features cooler temperatures, with a minimum of 5°C (42°F) and an average of 13°C (55°F), while October has milder conditions, starting with a minimum of 9°C (48°F) and reaching an average high of 18°C (64°F). Interestingly, October can peak at a much warmer maximum of 30°C (86°F), providing a stark contrast to December's maximum of 18°C (65°F). Precipitation is slightly higher in December, totaling 71 mm (2.8 in) over 10 days, compared to October's 63 mm (2.5 in) over just 6 days, with December also exhibiting a higher humidity level at 85% compared to October's 74%. For more details on how the weather unfolds during October, you can check Sao Bartolomeu weather in October.
In comparing the weather between December and November, December tends to be slightly cooler, with average temperatures ranging from a minimum of 5°C (42°F) to a maximum of 18°C (65°F), while November offers warmer conditions, with temperatures from 8°C (46°F) to 23°C (73°F). Additionally, November experiences more precipitation, totaling 90 mm (3.6 in) over 13 days, compared to December's 71 mm (2.8 in) over 10 days. Both months display a high level of humidity, with December at 85% and November slightly lower at 83%. For more details about November weather specifically, you can check Sao Bartolomeu weather in November.
In December, Sao Bartolomeu experiences a notable shift in weather compared to the milder months that precede it. The average temperature dips, with maximums reaching only around 18°C, while evenings can be brisk, seeing lows of just 5°C. This chill is accompanied by increased precipitation, with rain making an appearance on approximately one-third of the days, leading to a rather humid atmosphere with levels around 85%. While the landscapes become more lush and vibrant thanks to the rainfall, the transition to winter encapsulates a more invigorating climate that invites you to bundle up and enjoy the serene beauty of the season. For further insight into what to expect throughout the year, visit Sao Bartolomeu Climate.