Last updated: February 24, 2025
Experience the charm of Sao Martinho, Portugal, in December, where the climate offers a mild retreat from winter chill. With maximum temperatures reaching a pleasant 21°C (70°F) and an average of 16°C (61°F), visitors can enjoy a comfortable atmosphere ideal for exploring the picturesque scenery. Despite cooler nights dipping to a minimum of 10°C (51°F), the enchanting coastal views make it worthwhile. December brings a sprinkle of rain with 58 mm (2.3 in) over 11 days, adding a refreshing touch to the lush landscape. The humidity stays at 75%, contributing to the region's vibrant flora and inviting ambiance, perfect for a relaxing getaway in this coastal gem.
In December, Sao Martinho, Portugal, experiences a mild transition into winter, with temperatures ranging from a minimum of 10°C (51°F) to a maximum of 21°C (70°F). The average temperature hovers around 16°C (61°F), creating a comfortable atmosphere for leisurely strolls and outdoor activities. This month reflects a gradual cooling trend from the warmer autumn months, as temperatures drop slightly from November's averages, signaling a shift towards the chillier winter season. Despite this dip, December remains relatively mild compared to many other regions, making it an appealing time to visit and enjoy the picturesque landscapes without the harsh cold typically associated with winter.
December in São Martinho, Portugal, typically sees moderate precipitation, with an average of 58 mm (2.3 in) over the course of about 11 days. This places December's rainfall just below that of the previous month, November, which experienced a higher average of 67 mm (2.6 in) across 15 days. While December’s total is significant, it also reflects a general trend of decreasing precipitation as the year progresses, particularly notable during the dry summer months of July and August, where rainfall plummets to minimal levels. As winter sets in, the return of rain is crucial for replenishing local water sources, setting the stage for the lush landscapes that characterize the region in spring.
In Sao Martinho, Portugal, the December humidity settles at a comfortable 75%, echoing the levels experienced in both January and February. As the year unfolds, a notable trend emerges: humidity gradually increases through the warmer months, peaking at 83% in July and August. This uptick reflects the region's shift towards a more humid atmosphere as summer approaches. However, as autumn sets in, humidity levels gracefully dip back down, culminating in December's refreshing yet consistent 75%, providing a balanced and pleasant climate for both locals and visitors alike.
In Sao Martinho, Portugal, the UV Index experiences notable fluctuations throughout the year, peaking in the summer months before tapering off in winter. December sees a return to a moderate UV Index of 4, with a burn time of 30 minutes, allowing for safer sun exposure. This follows a trajectory from the extreme levels observed in May through August, where the UV Index reached a maximum of 11-12 and burn times decreased to just 10 minutes. As the year progresses, the UV Index gradually declines, emphasizing the importance of awareness as you adapt to the changing sun strength. For a full overview of seasonal trends, visit Sao Martinho UV Index.
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In Sao Martinho, Portugal, December welcomes a gentle decline in sunshine hours, totaling 246 hours of radiant daylight. This marks a shift from the peak luminosity experienced in the summer months, where both June and July bask in 376 and 391 hours of sunshine, respectively. As the year winds down, the sunlight begins its retreat, following a robust pattern of increasing brightness from January's 191 hours to an impressive 373 hours in May. The trend clearly indicates a vibrant spring and summer, offering ample opportunities for outdoor enjoyment, before the shorter days of winter take hold. Nevertheless, even in December, the sun still graces the landscape, lighting up the charming streets and picturesque coastlines of this enchanting locale.
While December in Sao Martinho, Portugal, offers a touch of winter chill, the likelihood of sunny weather is relatively modest at 32%. This places December among the lower months for sunshine, slightly above November’s 37%. As we dive into the heart of winter, it's notable how the sun is more prevalent in the summer months, peaking in July with a striking 63% chance of clear skies. The trend indicates a gradual decrease in sunny days as the year winds down, making December ideal for those who prefer a quieter, chillier atmosphere rather than basking in sunlight. So, while visitors may want to bundle up, they can still hope for bright spells amidst the winter clouds.
In Sao Martinho, Portugal, the daylight duration experiences a subtle ebb and flow throughout the year, reflecting the seasonal changes. Starting the year with around 10 hours of daylight in January, the days gradually lengthen, peaking at 14 hours in both June and July, the height of summer. As summer transitions to autumn, daylight begins to wane, dropping to 13 hours in August and then to 12 hours in September. The decline continues through the autumn months, as daylight shortens back to 10 hours by December, mirroring the time at the year's beginning. This cyclical pattern highlights not only the beauty of seasonal transitions but also a consistent rhythm of light that characterizes life in this charming locale.
As December unfolds in São Martinho, Portugal, the winds dance with a noticeable vigor, boasting an average speed of 3.4 m/s (8 mph)—the highest of the year. This increase aligns with a subtle upward trend observed in the latter half of the year, where wind speeds have generally fluctuated around the 3 m/s mark. While January through April tend to see gentler breezes, December emerges as a striking departure, stirring the air with a refreshing chill that invigorates the coastal landscape. The shift in wind patterns not only enhances the dramatic beauty of the region but also signals the arrival of winter, inviting both locals and visitors to embrace the crisp, bracing atmosphere that makes this time of year truly special.
The weather in Sao Martinho 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 Martinho and find detailed weather information for every month.
In comparing the weather between December and January, both months exhibit relatively mild temperatures, though January is slightly cooler overall. December sees temperatures ranging from a minimum of 10°C to a maximum of 21°C, with an average of 16°C. In contrast, January's temperatures vary from a minimum of 9°C to a maximum of 22°C, averaging around 15°C. Precipitation also differs, with December experiencing 58 mm over 11 days, while January sees only 38 mm across 7 days, making January a drier month. Humidity remains consistent at 75% for both months. For more detailed information about the weather in January, you can check Sao Martinho weather in January.
In December, the 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). The month experiences around 58 mm (2.3 in) of precipitation over 11 days, maintaining a consistent humidity level of 75%. Conversely, February sees only a slight drop in temperatures, with minimums at 9°C (49°F) and maximums reaching 22°C (72°F), averaging 14°C (58°F). Precipitation increases slightly to 60 mm (2.4 in) but occurs over just 9 days. Notably, the humidity remains steady at 75%. For further details, you can check Sao Martinho weather in February.
In comparing the weather between December and March, December typically experiences slightly warmer temperatures, with an average of 16°C (61°F), while March sees an average of 14°C (58°F). The maximum temperature in March can reach up to 24°C (76°F), providing warmer peaks compared to December's maximum of 21°C (70°F). Precipitation levels are relatively similar, with December receiving 58 mm (2.3 in) over 11 days, compared to March's 52 mm (2.1 in) over just 9 days. Additionally, March has a slightly higher humidity level at 78%, compared to December’s 75%. For a detailed look at the climate in this region, check out Sao Martinho weather in March.
In December, the weather features temperatures ranging from a minimum of 10°C (51°F) to a maximum of 21°C (70°F), with an average temperature of 16°C (61°F). The month experiences about 58 mm (2.3 in) of precipitation over 11 days, alongside a humidity level of 75%. In contrast, April brings slightly warmer conditions, with a minimum temperature of 11°C (51°F), an average of 15°C (60°F), and a maximum reaching 23°C (74°F). April sees almost similar precipitation levels at 56 mm (2.2 in) over 12 days, with a slightly higher humidity of 78%. This comparative analysis highlights how April typically offers a touch more warmth and moisture compared to December. For more detailed insights on the weather, you can visit Sao Martinho weather in April.
When comparing the weather in December and May, December tends to be milder with average temperatures ranging from a minimum of 10°C (51°F) to a maximum of 21°C (70°F). This month experiences more rainfall, with 58 mm (2.3 in) over approximately 11 days, and a humidity level of 75%. In contrast, May sees slightly warmer conditions, with temperatures starting at 12°C (53°F) and peaking at 26°C (78°F). Precipitation is significantly lower in May, recorded at just 23 mm (0.9 in) over 6 days, and humidity remains relatively high at 77%. For a closer look at the weather in May, you can visit Sao Martinho weather in May.
In December, temperatures tend to be milder with a minimum of 10°C (51°F) and an average of 16°C (61°F), peaking at around 21°C (70°F). The month sees a higher level of precipitation, totaling 58 mm (2.3 in) over 11 rainy days, along with humidity at 75%. In contrast, June experiences warmer weather, with minimum temperatures at 13°C (56°F) and an average of 18°C (65°F), reaching a maximum of 26°C (79°F). Precipitation is less frequent in June, totaling 36 mm (1.4 in) over 7 days, while humidity rises slightly to 80%. For more detailed insights on the weather conditions during June, refer to Sao Martinho weather in June.
December weather in Sao Martinho is characterized by milder temperatures, with a minimum of 10°C (51°F) and a maximum of 21°C (70°F), averaging around 16°C (61°F). This month also sees more precipitation, totaling 58 mm (2.3 in) over approximately 11 days, contributing to a humidity level of 75%. In contrast, July experiences warmer conditions, with minimum temperatures of 16°C (62°F) and a maximum of 27°C (82°F), averaging 20°C (68°F). Notably, July is much drier, with only 7 mm (0.3 in) of rain across just 1 day, coupled with a slightly higher humidity of 83%. For more details on July weather, you can explore Sao Martinho weather in July.
In December, the weather tends to be milder, with average temperatures ranging from a minimum of 10°C (51°F) to a maximum of 21°C (70°F). This month receives about 58 mm (2.3 in) of precipitation over approximately 11 days, alongside moderate humidity levels of 75%. In contrast, August is warmer, featuring temperatures that usually span from a minimum of 17°C (63°F) to a maximum of 29°C (84°F). Precipitation is minimal during this month, totaling just 8 mm (0.3 in) over only 2 days, although humidity is slightly higher at 83%. For a more detailed look at the climate during this month, check out Sao Martinho weather in August.
When comparing the weather in December and September, it is clear that September tends to be warmer, with average temperatures ranging from a minimum of 17°C (63°F) to a maximum of 27°C (81°F). In contrast, December sees cooler temperatures, with averages between 10°C (51°F) and 21°C (70°F). Additionally, September experiences significantly less rainfall, measuring only 18 mm (0.7 in) over 6 days, compared to December's 58 mm (2.3 in) across 11 days. Humidity levels are slightly higher in September at 81%, while December maintains a somewhat lower average of 75%. For more details, you can check out Sao Martinho weather in September.
In comparing the weather between December and October, 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 October showcases milder conditions, with temperatures ranging from a minimum of 14°C (58°F) to a maximum of 28°C (82°F). Both months experience similar levels of precipitation, with December receiving about 58 mm (2.3 in) over 11 days and October seeing slightly less at 57 mm (2.3 in) over 10 days. Humidity levels are a bit higher in October at 80%, compared to December's 75%, indicating a somewhat drier feel towards the end of the year. For more details on October's climate, you can check out Sao Martinho weather in October.
In December, temperatures tend to be slightly cooler than in November, with a minimum of 10°C (51°F), an average of 16°C (61°F), and a maximum of 21°C (70°F). Conversely, November experiences higher daytime temperatures, peaking at 26°C (79°F). Additionally, December sees a decrease in precipitation to 58 mm (2.3 in) over 11 days, while November has slightly more rainfall at 67 mm (2.6 in) across 15 days. Both months share the same humidity level of 75%, creating a consistently moist atmosphere. For a more detailed comparison, you can view Sao Martinho weather in November.
As December unfolds in Sao Martinho, the weather dances between mild and cool, marking a significant transition from the warm embrace of previous months. With an average temperature around 16°C, this month introduces cooler breezes, making it perfect for cozying up in a café or exploring the vibrant streets. While rainfall increases slightly, bringing about 11 days of precipitation, it adds a refreshing touch to the landscape without overshadowing the charm of the holiday season. The 75% humidity contributes to a rich atmosphere, ideal for enjoying the lush surroundings. For a deeper dive into the seasonal variations, check out Sao Martinho Climate to plan your winter adventures!