Last updated: February 24, 2025
Experience the charm of São Martinho, Portugal in January, where the weather reflects a pleasant blend of winter and early spring. With maximum temperatures reaching 22°C (71°F) and an inviting average of 15°C (59°F), this month offers a comfortable escape from the chill. Nighttime temperatures can dip to a mild 9°C (49°F), ensuring cozy evenings under the stars. Although January brings 38 mm (1.5 in) of rain over approximately 7 days, the lush and vibrant landscape thrives in the refreshing humidity of 75%. Whether you're exploring local attractions or enjoying the serene coastal views, São Martinho's January weather promises a delightful experience.
In Sao Martinho, Portugal, January marks a mild entry into the year, with temperatures ranging from a comfortable 9°C (49°F) at night to a pleasant 22°C (71°F) during the day. The overall average hovers around 15°C (59°F), offering a mix of cool breezes and sunny intervals. As winter transitions into spring, February brings similar nightly lows but slightly cooler average temperatures, while the sun begins to shine more brightly, hinting at the warmth to come. Throughout the following months, temperatures gradually rise, peaking in July and August where highs can reach 29°C (84°F), creating a pleasant contrast to the refreshing January chill. This trend highlights Sao Martinho's appealing climate, inviting visitors to enjoy its temperate conditions as they evolve from winter's embrace to the warmth of summer.
In Sao Martinho, Portugal, January marks the beginning of a wetter season, with precipitation reaching 38 mm (1.5 in) over 7 rainy days. This relatively moderate rainfall sets the stage for a noticeable increase in February, where the precipitation rises to 60 mm (2.4 in) across 9 days, highlighting a trend of growing moisture as winter progresses. As the months transition to spring, March and April maintain substantial rainfall amounts of 52 mm (2.1 in) and 56 mm (2.2 in), respectively, extending the wet pattern. This trend culminates in November, which is the wettest month of the year with 67 mm (2.6 in), showcasing a clear progression towards increased precipitation as the year nears its end. Overall, January acts as a gateway to the wetter months, offering a hint of what lies ahead in Sao Martinho's climate.
In January, Sao Martinho experiences a moderate humidity level of 75%, consistent with February's climate, creating a cool and refreshing atmosphere perfect for winter outings. As the year progresses into March and April, humidity slightly increases to 78%, hinting at the arrival of spring and the subsequent growth in vegetation. May sees a small dip to 77%, but the warmth begins to rise alongside humidity, setting the stage for the summer months. From June to August, humidity peaks at 80% to 83%, contributing to a lush, vibrant environment during the height of summer, ideal for coastal activities. As autumn approaches in September, humidity remains high at 81%, gradually tapering down to 80% in October and returning to 75% by November and December. This cyclical trend not only emphasizes the region's relative humidity stability but also hints at the influence of seasonal changes on the climate, making Sao Martinho a comfortable locale year-round.
In Sao Martinho, Portugal, January features a moderate UV Index of 4, allowing residents and visitors to enjoy outdoor activities with relatively low risk of harm from UV rays. With a burn time of 30 minutes, it’s essential to remain vigilant, though the risk increases significantly as the year progresses. By February, the UV Index jumps to 6, indicating a high exposure category and a reduced burn time of 25 minutes. As spring arrives, the UV levels intensify, peaking at 11 in both May and June, placing them firmly in the extreme category with a mere 10 minutes of safe sun exposure. This upward trend continues into the summer months—July and August—before tapering off in the fall. The transition from low to extreme UV levels underscores the importance of sun protection, making it crucial to stay informed throughout the year. For more details, check out the Sao Martinho UV Index.
UV Risk Categories
In Sao Martinho, Portugal, January enjoys a gentle start to the year with 191 hours of sunshine, gradually setting the stage for an increasingly bright and warmer climate. As February rolls in, the sun shines a bit longer, reaching 244 hours, hinting at the delightful spring ahead. March continues this upward trend with 299 hours, while April and May welcome the sun with 352 and 373 hours respectively, bathing the region in a vibrant glow. The summer months peak in July with an impressive 391 hours, showcasing the sun at its zenith, before gradually tapering off in August with 380 hours. As autumn approaches, the golden rays continue to shine for 338 hours in September, before transitioning to the softer light of October and November with 321 and 260 hours respectively. Even in December, with 246 hours of sunshine, Sao Martinho remains a beacon of warmth, proving that this coastal gem is an ideal escape, any time of the year.
In Sao Martinho, Portugal, January sees a modest 31% chance of sunny weather, making it one of the cooler months in terms of sunshine. As the year progresses into February and March, the likelihood of sun increases to 44% and 43% respectively, hinting at a transition into a more favorable climate. This trend continues into the spring, with April and May maintaining similar probabilities of 38% and 44%. The summer months bring a delightful shift, where sunshine spikes dramatically, with July and August boasting a 63% and 60% chance of clear skies. However, as autumn approaches, the probabilities begin to dwindle, dropping back to 37% in November and 32% in December. Overall, while January may be a bit dreary, the increasing sunshine later in the year offers a promising outlook for those seeking warmth and light in Sao Martinho.
In January, Sao Martinho, Portugal, welcomes about 10 hours of daylight, marking the start of the year with a gentle introduction to light. As winter fades into spring, February and March see a gradual increase to 11 hours of daylight, igniting a sense of anticipation for the upcoming warmth. By April and May, daylight stretches to 13 hours, creating a vibrant atmosphere ideal for outdoor activities. The longest days arrive in June and July, boasting a generous 14 hours, perfect for enjoying the scenic beauty of the region. As summer wanes in August, the daylight begins to recede, settling at 13 hours before tapering off in September. The shorter days of October and November, each with 11 and 10 hours respectively, gradually bring the year full circle, concluding in December with the same fleeting 10 hours. This rhythmic ebb and flow of daylight not only shapes the local lifestyle but also offers a captivating glimpse into the seasonal transformation of Sao Martinho.
In January, Sao Martinho, Portugal, experiences a gentle breeze with an average wind speed of 2.8 m/s (6 mph), setting a tranquil tone for the month. As winter progresses into February and March, the winds pick up slightly, with speeds reaching 2.9 m/s and 3.2 m/s, respectively, hinting at the subtle shifts in the season. The winds then recede to 2.7 m/s in April before gradually climbing again through the warmer months, peaking at 3.2 m/s during July. August mirrors this calmness with a return to 2.7 m/s, while September and October show only slight fluctuations. By the end of the year, December surprises with a bracing 3.4 m/s, wrapping up the year on a breezy note. Overall, the wind patterns reveal a gentle ebb and flow, creating a mostly serene atmosphere ideal for leisurely coastal strolls.
The weather in Sao Martinho 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 Sao Martinho and find detailed weather information for every month.
January and February display relatively mild weather, with both months experiencing minimum temperatures around 9°C (49°F) and maximum temperatures peaking at 22°C (72°F). However, February is slightly cooler on average, with temperatures averaging 14°C (58°F) compared to January's 15°C (59°F). Additionally, February sees increased precipitation, totaling 60 mm (2.4 in) over 9 days, compared to January's 38 mm (1.5 in) over 7 days. Humidity remains consistent at 75% for both months, contributing to a generally comfortable atmosphere. For more detailed weather insights for February, visit Sao Martinho weather in February.
In January, temperatures in the region range from a minimum of 9°C (49°F) to a maximum of 22°C (71°F), with an average temperature of 15°C (59°F). The month experiences about 38 mm (1.5 in) of precipitation over 7 days and has a relative humidity of 75%. In contrast, March offers slightly cooler temperatures, with a minimum of 8°C (47°F) and a higher maximum of 24°C (76°F), resulting in an average of 14°C (58°F). March also sees increased precipitation, totaling 52 mm (2.1 in) over 9 days, accompanied by a slightly higher humidity of 78%. For more detailed weather insights in March, you can check this link: Sao Martinho weather in March.
January and April in São Martinho exhibit distinct weather characteristics. In January, temperatures range from a minimum of 9°C (49°F) to a maximum of 22°C (71°F), with an average of 15°C (59°F). The month experiences moderate precipitation, totaling 38 mm (1.5 in) over about 7 days, and humidity levels are at 75%. In contrast, April shows slightly warmer temperatures, with a minimum of 11°C (51°F) and a maximum of 23°C (74°F), while still maintaining an average of 15°C (60°F). However, April has increased rainfall, accumulating 56 mm (2.2 in) across approximately 12 days, resulting in a marginally higher humidity of 78%. This comparison highlights a gradual transition towards warmer and wetter conditions as spring approaches. For more detailed information, check out Sao Martinho weather in April.
In January, the weather is generally cooler, with temperatures ranging from a minimum of 9°C (49°F) to a maximum of 22°C (71°F) and an average of 15°C (59°F). The month sees around 38 mm (1.5 in) of precipitation over about 7 days, accompanied by a humidity level of 75%. In contrast, May offers warmer temperatures, with a minimum of 12°C (53°F), an average of 17°C (62°F), and a maximum of 26°C (78°F). Precipitation decreases to 23 mm (0.9 in) over just 6 days, while humidity slightly rises to 77%. The overall transition from January to May signifies a notable shift towards milder and more pleasant weather, making it a great time to explore the region. For more details on May's climate, you can check out Sao Martinho weather in May.
In January, the weather is relatively mild with temperatures ranging from a minimum of 9°C (49°F) to a maximum of 22°C (71°F), and an average temperature of 15°C (59°F). The month sees about 38 mm (1.5 in) of precipitation over 7 days, accompanied by a humidity level of 75%.
In contrast, June offers slightly warmer conditions with minimum temperatures of 13°C (56°F) and maximums reaching 26°C (79°F), resulting in an average of 18°C (65°F). The precipitation is slightly lower at 36 mm (1.4 in) across the same 7 days, but humidity rises to 80%.
For a more detailed look at the climate, you can check out Sao Martinho weather in June.
January and July present quite contrasting weather conditions. January experiences milder temperatures, with an average of 15°C (59°F) and a maximum of 22°C (71°F), alongside higher precipitation levels of 38 mm (1.5 in) across about 7 days. The humidity sits at a comfortable 75%. In stark contrast, July boasts warmer temperatures, with minimums of 16°C (62°F), averages around 20°C (68°F), and maximums reaching 27°C (82°F). Precipitation drops significantly to just 7 mm (0.3 in) over 1 day, although humidity is slightly higher at 83%. For more detailed insights, you can explore Sao Martinho weather in July.
In January, the weather tends to be mild with temperatures ranging from a minimum of 9°C (49°F) to a maximum of 22°C (71°F) and an average of 15°C (59°F). The month experiences about 38 mm (1.5 in) of precipitation over 7 days, with a humidity level of 75%. In contrast, August boasts warmer temperatures, with minimums of 17°C (63°F) and maximums reaching up to 29°C (84°F), averaging around 21°C (71°F). Rainfall is significantly lighter, totaling just 8 mm (0.3 in) over 2 days, although humidity rises slightly to 83%. For more detailed insights, you can check Sao Martinho weather in August.
In January, the weather tends to be cooler, with temperatures ranging from a minimum of 9°C (49°F) to a maximum of 22°C (71°F), averaging around 15°C (59°F). The month experiences moderate precipitation, totaling 38 mm (1.5 in) over about 7 days, and the humidity levels are around 75%. In contrast, September sees milder conditions, with minimum temperatures at 17°C (63°F) and maximums reaching 27°C (81°F), averaging 21°C (70°F). This month has significantly less rainfall, totaling only 18 mm (0.7 in) over 6 days, while humidity slightly increases to 81%. For more detailed information, check out Sao Martinho weather in September.
In January, the weather tends to be cooler with temperatures ranging from a minimum of 9°C (49°F) to a maximum of 22°C (71°F), averaging around 15°C (59°F). The month experiences about 38 mm (1.5 in) of precipitation over 7 days, with humidity levels at 75%. In contrast, October brings milder conditions, featuring higher temperatures ranging from a minimum of 14°C (58°F) to a maximum of 28°C (82°F), with an average of 20°C (67°F). Although October experiences more precipitation at 57 mm (2.3 in) over 10 days, humidity increases slightly to 80%. These differences make October a warmer and often wetter month compared to the cooler and drier January. For more detailed insights, you can check out Sao Martinho weather in October.
January and November showcase distinct weather patterns. In January, temperatures range from a minimum of 9°C (49°F) to a maximum of 22°C (71°F), with an average of 15°C (59°F), while November features slightly warmer conditions with a minimum of 10°C (51°F) and a maximum of 26°C (79°F), averaging at 17°C (63°F). Precipitation is more pronounced in November, accumulating to 67 mm (2.6 in) over 15 days compared to January's 38 mm (1.5 in) spread across 7 days. Both months maintain a consistent humidity level of 75%. For more specific details about the weather in November, you can refer to Sao Martinho weather in November.
When comparing the weather in January and December, we find that January experiences slightly warmer temperatures, with a minimum of 9°C (49°F) and an average of 15°C (59°F), compared to December's minimum of 10°C (51°F) and an average of 16°C (61°F). December tends to be wetter, recording 58 mm (2.3 in) of precipitation over 11 days, while January sees 38 mm (1.5 in) over 7 days. Despite the differences in temperature and precipitation, both months maintain a consistent humidity level of 75%. For a detailed look at the December climate, you can check Sao Martinho weather in December.
As January settles over Sao Martinho, the weather offers a cool respite compared to the warmer months. While temperatures remain mild, with averages around 15°C (59°F), the chill can be felt during the nights when it dips lower. This month also experiences a noticeable increase in precipitation, with about 38 mm (1.5 in) spread across roughly seven days, making it one of the wetter months of the year. The high humidity levels may add to the brisk feeling, contrasting sharply with the summer's sunny and dry climate. For those planning a visit, January's unpredictable weather invites a cozy atmosphere, ideal for exploring this beautiful region. For more insights on what to expect throughout the year, visit Sao Martinho Climate.