Last updated: February 24, 2025
December in Santarem, Portugal offers a mix of mild and chilly weather that captures the essence of winter. With average temperatures hovering around 11°C (53°F), residents can expect maximum highs of 20°C (68°F) during the day, while nighttime temperatures can dip to a brisk minimum of -2°C (28°F). The month sees approximately 59 mm (2.3 in) of precipitation over 8 days, contributing to the town's lush landscapes. Humidity levels remain high at 85%, adding a cool dampness to the air. Overall, December presents a varied climate, making it a unique time to experience Santarem’s charm.
In December, Santarem, Portugal, experiences a notable dip in temperatures as it transitions into winter, with minimums reaching around -2°C (28°F). Despite the chill, the average temperature holds steady at 11°C (53°F), offering a moderately cool climate perfect for winter exploration. The maximum temperature can still reach up to 20°C (68°F), creating a comfortable range for outdoor activities and sightseeing. This monthly shift from the more temperate conditions of November marks a distinct change, as temperatures gradually decline, leading into the colder months ahead. While December may bring cooler days, it also provides a refreshing atmosphere ideal for enjoying the charm of this historic city.
In December, Santarem experiences a noteworthy 59 mm (2.3 in) of precipitation over 8 days, marking a transition into the wetter winter months. This amount, while significant, is less than the preceding month of November, which recorded the highest precipitation of the year at 89 mm (3.5 in), yet it remains a crucial part of the region's annual rainfall. The pattern indicates a consistent increase in rainfall from summer's minimal 3 mm (0.1 in) in July to December's moderate levels. This trend not only highlights the seasonal shift towards wetter conditions but also sets the stage for the New Year, where precipitation will continue to play a vital role in replenishing the landscape and supporting local agriculture. Overall, December acts as a bridge, showcasing both the receding warmth of autumn and the onset of winter's moisture-laden atmosphere.
In December, Santarem, Portugal, experiences a notable return to higher humidity levels, registering at 85%. This peak mirrors the humidity found in January, suggesting a trend where the year closes with moist air reminiscent of the winter months. From February to August, Santarem enjoys a gradual decline, reaching a low of 60% during the summer, before humidity starts to rise again in September. As the year progresses, we see a shift back towards more humid conditions, culminating in November’s 83% and December's increase. This fluctuation highlights the region's seasonal variations, presenting a unique climatic tapestry that fluctuates between dryer summer months and the return of humidity during late fall and winter.
In December, Santarem, Portugal experiences a UV Index of 3, indicating a moderate level of sun exposure, which translates to a burn time of approximately 30 minutes for unprotected skin. This is a notable dip from the higher indices seen in the summer months, where UV levels soared to extremes, particularly in June with an index of 11. As winter sets in, the UV intensity begins to taper off significantly, a trend that offers residents and visitors a reprieve from the more intense sun exposure characterized in the preceding months. This seasonal variation highlights the importance of adjusting sun protection measures throughout the year. For more detailed insights, check the Santarem UV Index.
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In December, Santarem, Portugal, basks in a delightful 210 hours of sunshine, marking a serene transition from the vibrant summer months. As the year draws to a close, the sun-soaked hours are slightly reduced compared to the sun-drenched peaks of July and August, which boast over 400 hours each. However, this midwinter light shows a commendable resilience, especially when compared to the low of just 178 hours in January. The gradual shift from the bright abundance of May and June to December’s calmer glow hints at the region's gentle seasonal rhythm, making this month an inviting time for both locals and travelers to enjoy the softer, warm rays of the sun before the year concludes.
In December, Santarem, Portugal experiences a 39% chance of sunny weather, indicating a noticeable decline as winter approaches. This trend highlights the shift from the sun-drenched days of summer—where the likelihood peaks at 75% in August—to the cooler, cloudier months. While the sunny probabilities dip in December, they still maintain a relatively steady feel compared to the inconsistent sunshine of earlier months like February, which sees a mere 20% chance. The higher figures in late autumn, notably 67% in November, set a contrasting backdrop, underscoring that December brings shorter days and a greater likelihood of overcast skies. Overall, if you're dreaming of sunshine in Santarem during December, it's wise to embrace the reality of winter weather while savoring the charm of the season.
As December arrives in Santarem, Portugal, daylight begins to wane, featuring only 9 hours of sunlight—the same duration as in January. This trend reflects the gradual decline from the summer's peak in May through July, when the days stretch to a lively 14 hours. Following a steady decrease from the summer months, daylight dips further in late autumn, with November providing 10 hours before falling into the depths of winter. The cyclical pattern showcases the region's seasonal rhythm, where longer days of spring and summer yield to the cozy, shorter days of winter, inviting a unique blend of reflection and celebration during this charming month.
As December arrives in Santarem, Portugal, the average wind speed picks up to a brisk 3.9 m/s (9 mph), adding a refreshing, vibrant quality to the chilly air. This month's winds gain momentum after a relatively calm autumn, where speeds hovered below 4 m/s. Notably, December's winds are the second strongest after the summer peak in July and August, which experienced gusts averaging 4.7 m/s (10 mph). Overall, the trend reflects a gradual increase in wind activity as the year winds down, transitioning from the gentle breezes of early fall to more substantial currents that invigorate the winter landscape. Thus, the December winds serve as a reminder of the dynamic shifts in Santarem's climate, heralding the approach of a new year with both vitality and cool serenity.
The weather in Santarem 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 Santarem and find detailed weather information for every month.
In December, the weather features a temperature range from a chilly -2°C (28°F) to a comfortable maximum of 20°C (68°F), with an average of 11°C (53°F). The month experiences approximately 59 mm (2.3 in) of precipitation spread over 8 days, alongside a steady humidity level of 85%.
Conversely, January sees slightly cooler temperatures, with a minimum of -3°C (26°F) and a maximum of 21°C (69°F), yielding a marginally lower average of 10°C (50°F). Precipitation decreases to 38 mm (1.5 in) over only 5 days, maintaining the same high humidity of 85%. Despite the minor temperature fluctuations, January offers drier conditions compared to December. For a detailed look at January weather, visit Santarem weather in January.
December and February exhibit distinct weather patterns, with February generally being milder and slightly drier. In December, temperatures range from a minimum of -2°C (28°F) to a comfortable average of 11°C (53°F), peaking at 20°C (68°F). The month experiences significant humidity at 85% and receives about 59 mm (2.3 in) of precipitation over 8 days. In contrast, February sees a slight increase in temperatures, with lows around 1°C (33°F), an average of 12°C (54°F), and highs reaching 25°C (77°F). Precipitation decreases slightly to 54 mm (2.1 in) across about 7 days, and humidity drops to 75%. For more details on the weather, check out Santarem weather in February.
When comparing December and March weather, notable differences emerge in temperature and humidity levels. December typically experiences cooler temperatures, with a minimum of -2°C (28°F) and an average of 11°C (53°F), while March sees a warmer minimum of 3°C (38°F) and an average of 13°C (56°F). Additionally, March can reach higher maximum temperatures, climbing up to 28°C (82°F) compared to December’s max of 20°C (68°F). Precipitation is slightly higher in March, with 80 mm (3.1 in) over 8 days, whereas December has 59 mm (2.3 in) also over 8 days. Humidity tends to be higher in December at 85% compared to 72% in March, giving March a fresher feel. For more detailed insights, check out Santarem weather in March.
When comparing December and April weather, we notice significant differences in temperature and precipitation patterns. December experiences cooler temperatures, with a minimum of -2°C (28°F) and an average of 11°C (53°F), while April generally offers a milder climate, featuring a minimum of 5°C (41°F) and an average of 15°C (59°F). The maximum temperatures in December peak at 20°C (68°F), whereas April can reach up to 30°C (86°F). In terms of precipitation, December sees about 59 mm (2.3 in) over 8 days, while April is slightly wetter with 86 mm (3.4 in) over 11 days. Additionally, December's humidity levels are higher at 85%, compared to 70% in April, contributing to a more comfortable atmosphere during the spring season. For more detailed information, you can check Santarem weather in April.
December and May present contrasting weather patterns. In December, temperatures range from a chilly minimum of -2°C (28°F) to an average of 11°C (53°F), peaking at a maximum of 20°C (68°F). The month experiences about 59 mm (2.3 in) of precipitation over 8 days, contributing to a high humidity level of 85%. In contrast, May brings milder temperatures, with a minimum of 7°C (45°F), an average of 18°C (65°F), and a maximum soaring up to 36°C (96°F). Precipitation decreases significantly to 41 mm (1.6 in) over just 5 days, and humidity levels drop to a comfortable 70%. For more detailed insights, visit Santarem weather in May.
December and June present strikingly different weather patterns. In December, temperatures range from a chilly minimum of -2°C (28°F) to a pleasant average of 11°C (53°F), culminating in a maximum of 20°C (68°F). The month experiences notable precipitation, with 59 mm (2.3 in) falling over 8 days, resulting in high humidity levels averaging 85%. In contrast, June boasts much warmer temperatures, with a minimum of 10°C (50°F) and an average of 20°C (68°F), peaking at a scorching 41°C (106°F). The month is relatively dry, with just 15 mm (0.6 in) of rain over 4 days and a lower humidity level of 63%. For more details on the weather in June, visit Santarem weather in June.
In December, the weather is notably cooler and more humid, with temperatures ranging from a minimum of -2°C (28°F) to a maximum of 20°C (68°F), and an average of 11°C (53°F). Precipitation is relatively frequent, occurring on about 8 days throughout the month, totaling 59 mm (2.3 in), resulting in a humidity level of 85%. In contrast, July experiences much warmer temperatures, with a minimum of 13°C (56°F) and a maximum reaching up to 40°C (104°F), averaging around 22°C (72°F). The month sees significantly less rainfall, with only 3 mm (0.1 in) of precipitation over just 1 day and a lower humidity of 60%. For more details on the weather during this month, you can check out Santarem weather in July.
The weather in December is significantly cooler compared to August, with average temperatures ranging from a frosty minimum of -2°C (28°F) to a pleasant maximum of 20°C (68°F). December also sees higher humidity levels at 85% and around 59 mm (2.3 in) of precipitation over about 8 days, creating a damp atmosphere. In contrast, August enjoys much warmer temperatures, with averages ranging between a minimum of 13°C (56°F) and a scorching maximum that can reach up to 43°C (110°F). Rainfall is minimal in August, with only 6 mm (0.2 in) over just one day, and the humidity is notably lower at 60%. For more insights into the weather during this month, check out Santarem weather in August.
In comparing the weather of December and September, it is evident that September offers warmer temperatures, with minimums around 11°C (51°F) and maximums soaring up to 37°C (98°F), leading to an average temperature of 21°C (71°F). In contrast, December experiences much cooler conditions, with temperatures ranging from a frosty -2°C (28°F) to a milder 20°C (68°F), and an average of 11°C (53°F). Precipitation is also notably higher in December, with 59 mm (2.3 in) falling over 8 days, compared to only 27 mm (1.1 in) over 3 days in September. Additionally, the humidity level in December is significantly higher at 85%, while September maintains a more comfortable 67%. For detailed insights, check out Santarem weather in September.
December weather tends to be colder and more humid than that of October. In December, temperatures can drop to a minimum of -2°C (28°F), with an average around 11°C (53°F) and a maximum of 20°C (68°F). In contrast, October boasts milder temperatures, with a minimum of 6°C (44°F) and an average of 18°C (65°F), peaking at a warm 36°C (97°F). While both months experience similar rainfall, December has slightly more precipitation at 59 mm (2.3 in) over 8 days compared to October's 55 mm (2.2 in) over just 5 days. Those interested in exploring October's weather patterns in Santarem can find more detailed information here: Santarem weather in October. Additionally, December's humidity is noticeably higher at 85%, compared to October’s more comfortable 74%.
In comparison to November, December experiences cooler temperatures with a minimum of -2°C (28°F) and a maximum of 20°C (68°F), whereas November has a warmer range with minimums of 3°C (38°F) and maximums reaching 25°C (78°F). Average temperatures in December sit at 11°C (53°F), slightly lower than November's average of 13°C (56°F). Precipitation also varies slightly, with December receiving 59 mm (2.3 in) over 8 days compared to November's 89 mm (3.5 in) over 10 days. Interestingly, December's humidity is marginally higher at 85% compared to November's 83%. For more detailed insights, check out Santarem weather in November.
December in Santarem marks a notable shift in weather compared to the milder months before it. The arrival of cooler temperatures, with daytime highs around 20°C and nighttime lows dipping to -2°C, brings a crispness to the air that hints at the approaching winter. Moreover, increased precipitation, with 59 mm falling over approximately eight days, adds a distinct layer of dampness, contributing to the region's humidity, which hovers around 85%. This combination of cool temperatures and wet conditions offers a refreshing change and invites visitors to experience the festive charm of Santarem amidst its picturesque winter landscape. For more on what to expect throughout the year, check out Santarem Climate.