Last updated: February 24, 2025
January in Sesimbra, Portugal offers a mild coastal retreat, with maximum temperatures reaching 20°C (68°F) and an average of 12°C (54°F), while nights can dip to a cool 4°C (40°F). Though the month sees 34 mm (1.3 in) of rain spread across approximately 4 days, the overall 85% humidity ensures that the air remains fresh and invigorating. This unique blend of moderately warm temperatures and occasional rainfall makes January an ideal time to explore the serene beauty of this charming coastal town.
January in Sesimbra, Portugal ushers in a mild winter, with temperatures ranging from a cool 4°C (40°F) at night to a pleasant 20°C (68°F) during the day. The average temperature hovers around 12°C (54°F), providing a comfortable backdrop for exploring this charming coastal town. As the month unfolds, the chilly evenings gradually yield to warmer afternoons, hinting at the approach of spring. This trend continues into February, when temperatures begin to rise, ultimately paving the way for the vibrant warmth of late spring and summer. Visitors can enjoy the blend of crisp air and sunny days, making January an ideal time to appreciate Sesimbra's stunning landscapes and rich cultural heritage.
In January, Sesimbra, Portugal, experiences a modest precipitation of 34 mm (1.3 in), falling over only four days. This marks the beginning of a wetter season, transitioning into February, where rainfall increases significantly to 53 mm (2.1 in) across six days. As the months progress toward spring, March sees a notable uptick in precipitation, peaking at 66 mm (2.6 in) over eight days, which signals the region's move into its rainier period. Following this, April retains a substantial 63 mm (2.5 in), suggesting that while January is relatively dry, it paves the way for a cycle of increased rainfall leading into summer. Interestingly, post-April, a dramatic drop in precipitation occurs, with June and July receiving just 8 mm (0.3 in) and a mere 4 mm (0.2 in), respectively, indicating a clear seasonal shift to drier months ahead.
In January, Sesimbra, Portugal experiences a notable humidity level of 85%, setting the stage for a damp and cool start to the year. As winter gives way to spring, humidity gradually declines, dropping to 75% in February and further decreasing to 72% in March. The trend continues, with levels stabilizing around 70% from April through May, before reaching a more comfortable 63% in June. The summer months of July and August see humidity remaining steady at 60%, providing a refreshing contrast to the earlier months. However, as autumn approaches, humidity begins to creep back up, peaking at 83% in November and returning to 85% in December. This cyclical pattern highlights how Sesimbra's humidity fluctuates throughout the year, offering both lush winter atmospheres and more arid summer days.
In January, Sesimbra, Portugal, experiences a moderate UV Index of 3, allowing for about 30 minutes of sun exposure before risk of burning increases. As the year progresses into February, the UV Index rises to 5, maintaining that moderate category yet hinting at the upcoming stronger rays. March marks a noticeable shift with an increase to a high UV Index of 6, shortening safe exposure to 25 minutes. By April, the sun becomes even more intense, reaching a very high UV Index of 9, drastically reducing burn time to just 15 minutes. This trend continues through the summer months, peaking in June at an extreme level of 11, where mere 10 minutes can lead to sunburn. The UV levels gradually begin to decline as fall approaches, yet remain within the very high to high categories until December, when the UV Index dips back to 3. It's essential for sun lovers to stay aware of these trends in UV exposure throughout the year to enjoy the sun safely. For more details, visit Sesimbra UV Index.
UV Risk Categories
In Sesimbra, Portugal, January heralds the beginning of the year with a modest 186 hours of sunshine, inviting visitors to bask in the freshness of winter. As the months progress, the days stretch and warm, with February offering an uplifting 234 hours and March witnessing a delightful increase to 309 hours. The trend continues through a radiant April at 355 hours, leading to the sun-drenched summer months, where June and July shine brightest with 412 and 422 hours respectively. Even as August bids farewell to summer with 396 hours, the golden glow of September at 350 hours lingers. By autumn, October retains a respectable 315 hours, before the cloudy embrace of November and December, featuring 237 and 227 hours of sunshine, signals the end of the year. This gradual ascent and gentle descent of sunlight make Sesimbra a captivating destination year-round, with its sunniest months promising the best of outdoor adventures.
In Sesimbra, Portugal, January presents a 49% chance of sunny weather, positioning it as a transitional month as the seasons shift. This likelihood of sunshine slightly dips from the preceding December, continuing a trend where winter months often experience lower sunshine probabilities. However, as the calendar progresses into March, the chances rebound significantly to 61%, showing a clear upward trajectory as spring approaches. This pattern highlights how Sesimbra enjoys a gradual increase in sun-drenched days leading up to the summer months, where the likelihood peaks at an impressive 78% from July to August. Overall, January acts as a bridge to brighter days ahead, setting the stage for the vibrant warmth of spring and summer.
In Sesimbra, Portugal, January ushers in 9 hours of daylight, marking the beginning of a gradual seasonal shift. As the months progress into February and March, daylight increases to 10 and 11 hours respectively, hinting at the approach of spring. April brings a more significant boost with 13 hours of daylight, which peaks in the summer months, where both June and July bask in 14 hours of sunshine each day. This abundance of light gradually wanes as summer transitions to autumn; by September, daylight dips to 12 hours, followed by a further decline to 10 hours in November. Finally, December mirrors January with just 9 hours of daylight, completing the cycle. This rhythm not only highlights the changing seasons but also sets the stage for a vibrant outdoor experience in Sesimbra throughout the year.
In January, Sesimbra, Portugal experiences a steady average wind speed of 5.2 m/s (12 mph), a trend that continues unchanged into February. This consistency hints at a vibrant coastal atmosphere, ideal for outdoor activities. However, as spring approaches, March sees a noticeable decline to 4.3 m/s (10 mph), followed by a gentle drop to 3.7 m/s (8 mph) in April. Interestingly, May and June bring a resurgence, with winds picking up again to 5.3 m/s (12 mph) and 5.2 m/s (12 mph), offering a perfect backdrop for water sports. The summer months gradually maintain this lively pace, peaking slightly in July at 5.4 m/s (12 mph), before transitioning to softer breezes by September. Overall, the wind patterns in Sesimbra reflect a dynamic interplay, welcoming both tranquil moments and breezy adventures throughout the year.
The weather in Sesimbra 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 Sesimbra and find detailed weather information for every month.
In January, temperatures range from a minimum of 4°C (40°F) to a maximum of 20°C (68°F), with an average of 12°C (54°F). The month experiences a relatively low precipitation level of 34 mm (1.3 in) over about 4 days, alongside a high humidity of 85%. In contrast, February sees slightly warmer temperatures, with a minimum of 5°C (42°F) and a maximum of 21°C (71°F), averaging 13°C (56°F). However, it also brings increased rainfall, with 53 mm (2.1 in) over 6 days and a drop in humidity to 75%. For more specific details regarding the February climate, check out Sesimbra weather in February.
In comparing the weather of January and March, we observe a noticeable increase in temperatures. January's minimum temperature hovers around 4°C (40°F), while March starts at a warmer 7°C (45°F), leading to an overall average increase from 12°C (54°F) in January to 14°C (58°F) in March. Additionally, March can be significantly warmer, with a maximum temperature reaching 24°C (75°F) compared to January's peak of 20°C (68°F).
However, March experiences more precipitation, with 66 mm (2.6 in) over 8 days, contrasting January's 34 mm (1.3 in) spread across just 4 days. The humidity also drops noticeably from 85% in January to 72% in March, making the latter month feel less muggy. For more specific insights on weather conditions, you can check Sesimbra weather in March.
When comparing the weather in January and April, we see a noticeable transition from the cooler winter months to the milder spring climate. In January, temperatures range from a minimum of 4°C (40°F) to a maximum of 20°C (68°F), with an average of 12°C (54°F) and high humidity at 85%. Precipitation is relatively low, with about 34 mm (1.3 in) spread over 4 days. In contrast, April experiences warmer temperatures, with a minimum of 9°C (48°F), an average of 15°C (60°F), and a maximum of 24°C (76°F). However, it also sees increased rainfall, with 63 mm (2.5 in) over 11 days, while humidity decreases to 70%. For more detailed insights about April weather, you can check Sesimbra weather in April.
In January, the weather is relatively cool, with temperatures ranging from a minimum of 4°C (40°F) to a maximum of 20°C (68°F), and an average temperature of 12°C (54°F). The month experiences a significant humidity level at 85% and receives about 34 mm (1.3 in) of precipitation over four days. In contrast, May brings warmer conditions, where temperatures range from a minimum of 10°C (50°F) to a maximum of 31°C (87°F), with an average of 18°C (64°F). The precipitation slightly decreases to 31 mm (1.2 in) over four days, and humidity drops to a more comfortable 70%. For a detailed look at the weather conditions in May, you can check Sesimbra weather in May.
In January, the weather tends to be cooler and wetter, with average temperatures ranging from a chilly 4°C (40°F) to a mild 20°C (68°F), accompanied by about 34 mm (1.3 inches) of precipitation over four days and high humidity at 85%. In contrast, June brings a significant rise in temperatures, with minimums of 13°C (55°F) and maximums soaring to 31°C (89°F). The month also sees much less rainfall, averaging only 8 mm (0.3 inches) over two days and lower humidity at 63%. For more details on the pleasant June climate, you can check Sesimbra weather in June.
January weather in Sesimbra is characterized by cooler temperatures, ranging from a minimum of 4°C (40°F) to a maximum of 20°C (68°F), with an average of 12°C (54°F). The month sees higher humidity levels at 85% and experiences around 34 mm (1.3 in) of precipitation over four days. In contrast, July brings warmer weather, with temperatures ranging from a minimum of 15°C (59°F) to a maximum of 31°C (88°F), averaging at 21°C (70°F). July is significantly drier, with only 4 mm (0.2 in) of precipitation over just one day and a lower humidity of 60%. For more details on July weather, you can check Sesimbra weather in July.
In January, the weather is considerably cooler, with minimum temperatures dropping to around 4°C (40°F) and an average of 12°C (54°F). This month sees more moisture, with 34 mm (1.3 in) of precipitation over about four days, and the humidity levels are quite high at 85%. In contrast, August experiences much warmer conditions, with minimum temperatures starting at 16°C (61°F) and average highs reaching 21°C (71°F). Rain is rare during this month, with only 3 mm (0.1 in) of precipitation recorded and no rainy days, resulting in a lower humidity of 60%. For more insights, you can check Sesimbra weather in August. Overall, January feels damp and cool, while August is hot and dry, making them distinctly different seasons.
In January, the weather is considerably cooler, with average temperatures ranging from a minimum of 4°C (40°F) to a maximum of 20°C (68°F). The month sees higher precipitation, typically around 34 mm (1.3 in) over four days, accompanied by a high humidity of 85%. In contrast, September enjoys milder temperatures, with a minimum of 14°C (57°F) and a maximum of 30°C (86°F), along with significantly lower precipitation of 18 mm (0.7 in) across just two days. Additionally, the humidity decreases to 67%, making September a more comfortable time of year. For more details, visit Sesimbra weather in September.
In January, the weather tends to be cooler, with temperatures ranging from a minimum of 4°C (40°F) to a maximum of 20°C (68°F). The average temperature is 12°C (54°F), and the month typically experiences around 34 mm (1.3 in) of precipitation over four days, accompanied by high humidity at 85%.
In contrast, October offers milder conditions, featuring a minimum temperature of 10°C (50°F) and a maximum of 28°C (83°F), with an average of 19°C (66°F). Precipitation is slightly higher at 39 mm (1.5 in) yet remains consistent with four rainy days, while humidity is lower at 74%. For those interested in more details, you can check out Sesimbra weather in October.
Overall, October presents a more temperate climate, making it a pleasant time to enjoy outdoor activities.
In comparing the weather between January and November, November tends to be milder with average temperatures ranging from a minimum of 8°C (47°F) to a maximum of 23°C (73°F), while January experiences cooler temperatures, with a minimum of 4°C (40°F) and a maximum of 20°C (68°F). November also sees higher precipitation levels, averaging 69 mm (2.7 in) over 9 days compared to January’s 34 mm (1.3 in) over just 4 days. Humidity levels remain relatively similar, with November at 83% and January at 85%. For more detailed information about November weather, you can check Sesimbra weather in November.
In January, temperatures begin to drop slightly, with a minimum of 4°C (40°F), an average of 12°C (54°F), and a maximum of 20°C (68°F). In contrast, December enjoys a slightly milder climate, featuring minimum temperatures of 6°C (43°F), an average of 14°C (57°F), and a maximum of 18°C (66°F). While both months exhibit high humidity levels of 85%, December sees more precipitation, totaling 54 mm (2.1 in) over about 7 days, compared to January's lower 34 mm (1.3 in) spread over 4 days. For more details on the December climate specifics, you can explore Sesimbra weather in December.
January in Sesimbra presents a refreshing contrast to the warmer months, with its mild temperatures and increased humidity creating a brisk yet invigorating atmosphere. While days are often cooler, the occasional sunny spell allows visitors to enjoy the stunning coastal scenery. Average rainfall in January is moderate, with just a few rainy days, making it a more appealing time for those seeking a quieter escape. The relatively cool weather encourages exploration without the summer crowds. For a deeper understanding of how January weather fits into the broader climate pattern of this lovely region, visit Sesimbra Climate.