Last updated: February 24, 2025
January in Santarem, Portugal offers a blend of cool and mild temperatures, with maximum highs reaching 21°C (69°F) and lows dipping to a chilly -3°C (26°F). The average temperature sits comfortably at 10°C (50°F), providing a refreshing winter experience. This month sees approximately 38 mm (1.5 in) of precipitation over the course of 5 days, contributing to the region's lush landscape. With an average humidity of 85%, visitors can expect a damp but invigorating atmosphere, perfect for appreciating the unique charm of Santarem during the winter season.
In Santarem, Portugal, January typically presents a cool start to the year, with temperatures ranging from a chilly -3°C (26°F) at night to a mild 21°C (69°F) during the day. The average temperature hovers around 10°C (50°F), highlighting the month’s transitional nature as it eases into the warmer days of spring. Notably, January is one of the colder months in this region, but it does pave the way for a gradual upward trend in temperatures over the following months. As winter gives way to early spring, February marks a slight increase, while the temperatures continue to rise significantly through March and into the sweltering summer months of July and August. This rhythmic shift sets the stage for Santarem’s warm climate, making each month a unique experience in this charming part of Portugal.
In January, Santarem experiences a moderate precipitation level of 38 mm (1.5 in), falling over approximately 5 days. This marks the beginning of the year with a mild, wet start, yet it is significantly lower than the subsequent months, particularly February, which sees a notable increase to 54 mm (2.1 in). As winter transitions to spring, precipitation peaks in March and April, showcasing a trend toward wetter conditions that culminate in April's highest total of 86 mm (3.4 in) over 11 days. The gradual decrease in rainfall during the summer months, particularly in July and August, with only a few millimeters recorded, signals a distinct dry spell. Such seasonal variations highlight Santarem's Mediterranean climate, characterized by wet winters and dry summers. The steady climb in precipitation from January through the spring underscores the importance of this period for regional water resources.
In January, Santarem, Portugal, experiences a notably high humidity level of 85%, setting the tone for the month as the wettest time of the year. As winter gives way to early spring, there is a marked decrease in humidity, dropping to 75% in February and reaching a low of 60% during the summer months of July and August. This trend of declining humidity continues into the late spring, with levels stabilizing around 70% from April to May. As autumn approaches, humidity levels begin to climb once again, peaking back at 85% by December. This cyclical pattern emphasizes Santarem's transition through the seasons, showcasing a humid winter followed by a drier summer, only to return to moisture-laden air as the year concludes.
In January, Santarem experiences a moderate UV Index of 3, presenting a slight opportunity for sun exposure without the immediate risk of burns, with a burn time of 30 minutes. This sets the tone for the winter months, which feature a gradual increase in UV levels. As February arrives, the UV Index rises to 5, maintaining the moderate classification but nudging exposure risks slightly higher. Spring brings sharper changes: by March, the index escalates to 6, and the burn time decreases to 25 minutes, indicating an imminent need for sun protection as the sun becomes more intense. The transition into summer is marked by April and May, where the index reaches notably high levels of 9 and 10, requiring vigilant sun safety measures with burn times dropping to just 15 minutes. June hits an extreme peak of 11, emphasizing the urgency for protective measures in sunny weather. As summer wanes, the UV Index remains high but slightly recedes, stabilizing at 10 in July and 9 in August. By the end of the year, the UV levels return to mild categories, ensuring a safe transition into cooler seasons with a drop back to 3 in December. This trend highlights the importance of being sun-safe, especially during the peak months. For more details on UV trends throughout the year, visit Santarem UV Index.
UV Risk Categories
In January, Santarém basks in approximately 178 hours of sunshine, marking the beginning of the year with a gentle glow. As February rolls in, sunshine increases to 219 hours, hinting at the gradual transition towards spring. The days continue to lengthen, with March enjoying 297 hours of sun, setting the stage for a vibrant April that boasts 347 hours of brilliant light. The warmth reaches its peak in July with 420 hours, inviting residents and visitors alike to soak up the sun. However, as summer starts to wane, sunshine begins to taper off in August at 395 hours, and continues its descent into autumn, concluding the year with 224 hours in November and 210 hours in December. This annual pattern showcases Santarém's delightful climate, offering an ever-increasing supply of sunshine that encourages exploration and relaxation as the year unfolds.
In Santarem, Portugal, January offers a 49% chance of sunny weather, marking a moderate start to the year. This likelihood significantly contrasts with the following month, February, where the sun's presence diminishes to just 20%. However, as spring approaches, the prospects brighten, peaking in March at 59%. The trend continues to rise through the summer months, with July and August boasting an impressive 74% and 75% chance of sunshine, respectively. As we transition into autumn, the likelihood of sunny days remains stable, with 55% in September and 67% in November, before dropping slightly to 39% in December. This pattern highlights a clear seasonal shift, with January serving as a pivotal moment in Santarem's annual weather cycle.
In Santarem, Portugal, January marks the beginning of a gradual increase in daylight, offering 9 hours of sunlight to kick off the year. As winter fades and February arrives, the days grow longer, expanding to 10 hours of brightness. This upward trend continues into spring, where March and April bless the region with 11 and 13 hours of daylight, respectively. By May, the sunshine peaks at 14 hours, a hallmark of the vibrant summer months that follow. Throughout June and July, daylight sustains this 14-hour plateau, creating a perfect backdrop for outdoor activities and exploration. As summer wanes into August, daylight slightly diminishes to 13 hours, leading to a gradual retreat as autumn unfolds. September offers 12 hours, before October and November gently lower the count to 11 and 10 hours. Finally, December returns to the winter rhythm, closing the year with 9 hours of daylight once again. This cyclical pattern highlights how Santarem beautifully transitions through the seasons, inviting locals and visitors alike to relish each moment of sunlight.
January in Santarem, Portugal, ushers in a gentle breeze with an average wind speed of 3.5 m/s (8 mph), setting a tranquil tone for the month. This moderate wind paves the way for a subtle uptick in February, which sees a slight increase to 3.7 m/s (8 mph). However, as spring approaches, the winds begin to soften, dipping to 3.3 m/s (7 mph) in March and further declining to 2.6 m/s (6 mph) in April, creating calm, serene conditions ideal for outdoor exploration. The winds pick up again in May and June, returning to a livelier pace of 4.1 m/s (9 mph), hinting at the summer's arrival. As the season reaches its peak in July, the winds reach their highest point at 4.7 m/s (10 mph), before settling back into a rhythm of 4.1 m/s through August. The fall months see a gradual decline, with September and October experiencing slower winds, ultimately returning to 3.2 m/s (7 mph) in November and a slightly breezier 3.9 m/s (9 mph) in December. This year-round fluctuation highlights Santarem’s unique climate, where each month offers its own flavor of wind, enhancing the region's charm.
The weather in Santarem changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of January'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.
January and February present distinct weather patterns, showcasing a gradual transition from winter to early spring. In January, temperatures range from a minimum of -3°C (26°F) to a maximum of 21°C (69°F), with an average of 10°C (50°F). This month typically experiences 5 rainy days and 38 mm (1.5 in) of precipitation, accompanied by high humidity levels at 85%. In contrast, February sees a significant rise in temperatures, with a minimum of 1°C (33°F) and a maximum reaching 25°C (77°F), averaging 12°C (54°F). Despite an increase in precipitation to 54 mm (2.1 in) over 7 rainy days, humidity decreases to 75%. Thus, February offers milder and slightly wetter conditions compared to January. For more details, check out Santarem weather in February.
In January, temperatures in Santarem range from a chilly minimum of -3°C (26°F) to a comfortable maximum of 21°C (69°F), with an average of 10°C (50°F). The month experiences relatively low precipitation, totaling 38 mm (1.5 in) over about 5 days, paired with high humidity levels of 85%. In contrast, March sees a significant warming trend, with temperatures spanning from a milder minimum of 3°C (38°F) to a maximum of 28°C (82°F) and an average of 13°C (56°F). However, this month tends to be wetter, receiving 80 mm (3.1 in) of rainfall over 8 days, and the humidity decreases to a more comfortable 72%. For a more detailed look at March weather, visit Santarem weather in March.
January and April exhibit distinct differences in weather, marking a transition from winter to spring. In January, temperatures range from a chilly minimum of -3°C (26°F) to a maximum of 21°C (69°F), with an average of 10°C (50°F). The month experiences about 38 mm (1.5 in) of precipitation over 5 days, coupled with high humidity at 85%. In contrast, April features milder conditions, with minimum temperatures at 5°C (41°F) and maximums reaching up to 30°C (86°F), resulting in an average temperature of 15°C (59°F). Rainfall increases to 86 mm (3.4 in) over 11 days, while humidity decreases to a more comfortable 70%. For more details, you can check Santarem weather in April.
In January, the weather is quite cool, with temperatures ranging from a minimum of -3°C (26°F) to a pleasant average of 10°C (50°F) during the day, peaking at a maximum of 21°C (69°F). The month sees a total precipitation of 38 mm (1.5 in) over about 5 days, coupled with relatively high humidity at 85%. In contrast, May brings warmer weather, with minimum temperatures starting at 7°C (45°F) and averaging around 18°C (65°F), reaching highs of 36°C (96°F). Precipitation slightly increases to 41 mm (1.6 in) over the same number of days, but humidity drops to a more comfortable 70%. For specific details on May's weather, you can check Santarem weather in May.
January and June present stark contrasts in weather conditions. In January, temperatures range from a chilly minimum of -3°C (26°F) to a comfortable average of 10°C (50°F), reaching a maximum of 21°C (69°F). This month also experiences higher humidity levels at 85%, with about 38 mm (1.5 in) of precipitation over 5 days. In contrast, June brings warmer and more stable temperatures, with a minimum of 10°C (50°F), an average around 20°C (68°F), and highs soaring up to 41°C (106°F). It is substantially drier, only receiving 15 mm (0.6 in) of rainfall over 4 days, along with a drop in humidity to 63%. For a detailed look at the conditions during this summer month, you can visit Santarem weather in June.
In January, temperatures range from a chilly minimum of -3°C (26°F) to a mild maximum of 21°C (69°F), with an average temperature of around 10°C (50°F). The month experiences relatively high humidity at 85% and sees about 38 mm (1.5 in) of precipitation over five rainy days. In contrast, July boasts significantly warmer weather, with temperatures starting at a comfortable minimum of 13°C (56°F) and peaking at a scorching maximum of 40°C (104°F), averaging 22°C (72°F). Rainfall is minimal in July, recorded at just 3 mm (0.1 in) over a single day, and humidity drops to a more pleasant 60%. For more details, check out Santarem weather in July.
In January, the weather is significantly cooler, with average temperatures ranging from a minimum of -3°C (26°F) to a maximum of 21°C (69°F), while August experiences much warmer temperatures, with a minimum of 13°C (56°F) and highs reaching a scorching 43°C (110°F). Additionally, January sees more precipitation, with 38 mm (1.5 in) of rain over five days and a high humidity level of 85%, compared to August's dry conditions with only 6 mm (0.2 in) of precipitation on just one day and a lower humidity of 60%. This stark contrast highlights the seasonal changes that occur throughout the year. For more detailed information about the weather in this region during August, you can visit Santarem weather in August.
In January, the weather is cooler with temperatures ranging from a chilly -3°C (26°F) to a mild 21°C (69°F), averaging around 10°C (50°F). The month experiences higher humidity at 85%, along with approximately 38 mm (1.5 in) of precipitation over five days. In contrast, September features much warmer temperatures, with a minimum of 11°C (51°F) and a maximum reaching up to 37°C (98°F), averaging 21°C (71°F). Precipitation decreases to about 27 mm (1.1 in) spread over only three days, and humidity drops to a more comfortable 67%. For more details on the September weather, you can visit Santarem weather in September.
January and October exhibit notable differences in weather patterns. In January, temperatures range from a chilly minimum of -3°C (26°F) to a mild maximum of 21°C (69°F), with an average temperature of 10°C (50°F). The month sees about 38 mm (1.5 in) of precipitation over five days, accompanied by a high humidity level of 85%. In contrast, October experiences a warmer climate, with temperatures ranging from a minimum of 6°C (44°F) to a maximum of 36°C (97°F), averaging 18°C (65°F). Rainfall increases slightly to 55 mm (2.2 in) over the same five days, but with lower humidity at 74%. For more details on October weather in Santarem, check Santarem weather in October.
In January, the weather is noticeably cooler, with temperatures ranging from a minimum of -3°C (26°F) to a maximum of 21°C (69°F) and an average of 10°C (50°F). The month sees about 38 mm (1.5 in) of precipitation over approximately 5 days, while humidity levels hover around 85%.
In contrast, November experiences milder temperatures, with a minimum of 3°C (38°F), an average of 13°C (56°F), and a maximum of 25°C (78°F). This month has significantly higher precipitation at 89 mm (3.5 in) spread over 10 days, and slightly lower humidity at 83%. For more details, you can check Santarem weather in November.
In comparing the weather between January and December, both months exhibit relatively mild temperatures, with January showcasing a slight dip in the average temperature at 10°C (50°F) compared to December's 11°C (53°F). While January's minimum temperature can drop to -3°C (26°F), December's minimum is just slightly warmer at -2°C (28°F). Precipitation levels are notably higher in December, with 59 mm (2.3 in) recorded over 8 days, versus January's 38 mm (1.5 in) spread across 5 days. Both months maintain a consistent humidity level of 85%, contributing to a somewhat damp atmosphere year-round. For more detailed insights, check out Santarem weather in December.
In January, Santarem experiences a distinct shift in weather compared to other months, marked by its chilly temperatures that can dip significantly lower, with daytime highs rarely exceeding 21°C. The average temperature settles around a cool 10°C, with nights occasionally plummeting to a brisk -3°C. Additionally, the higher humidity at 85% can make the air feel even colder, creating a stark contrast to the warmer, sunnier months of the year. With precipitation totaling 38 mm over about 5 days, January's rain can be a refreshing change, setting the stage for the lush landscapes that follow. For a deeper dive into what to expect throughout the year, explore Santarem Climate.