Last updated: February 24, 2025
January in Porto, Portugal offers a unique blend of winter charm and mild temperatures. With a maximum of 21°C (69°F), the days can be pleasantly warm, while the average hovers around 9°C (49°F), dipping to a cool minimum of 0°C (32°F) at night. Visitors can expect 91 mm (3.6 in) of rainfall spread across approximately 8 days, contributing to the region's lush landscapes. The high humidity, reaching 87%, adds to the cool, refreshing atmosphere, making January a fascinating time to explore the city's rich culture and stunning scenery.
In January, Porto, Portugal, experiences a cool start to the year, with temperatures ranging from a crisp 0°C (32°F) at night to a pleasant 21°C (69°F) during the day. The average temperature settles around 9°C (49°F), making it one of the colder months in the city. As the season transitions into February, the warmth gently creeps in, with averages rising to 11°C (52°F) and maximums reaching 21°C (71°F). The trend continues into March, where temperatures become more inviting, showcasing a broader range with minimums of 3°C (38°F) and maximums soaring to 26°C (79°F). This consistent upward shift signals the approach of spring, creating a delightful contrast from the chilly January beginnings.
January in Porto, Portugal, is characterized by a moderate level of precipitation, with an average of 91 mm (3.6 in) falling over approximately 8 days. This marks the beginning of the year with a gentle hint of the wet season ahead, as rainfall progressively increases in the following months, peaking in December with 187 mm (7.4 in). The trend shows that while January is relatively damp, it lays the groundwork for the coming months, with February and March receiving significantly more rainfall at 138 mm (5.4 in) and 141 mm (5.6 in) respectively, which often results in a lush and vibrant landscape as winter transitions into spring. This pattern underscores Porto's distinct seasonal shifts, where January serves as a bridge into a wetter climate, ultimately leading to a dynamic and colorful scenery throughout the year.
In January, Porto experiences a notable humidity level of 87%, setting a moist tone for the year. As winter progresses into February, the humidity gently decreases to 81%, hinting at the onset of slightly drier conditions. However, this trend shifts minimally in March and April, where levels hover around 78% and 79%, respectively. The spring months maintain a similar range until June, when humidity drops more significantly to 71%, signaling the arrival of summer. The warmest months of July and August continue this trend, with humidity levels at 63% and 64%, providing a brief reprieve from the coastal dampness. As autumn unfolds, humidity begins to rise again, peaking in November at 86% and returning to the high of 87% in December, completing a cyclical pattern characteristic of Porto's climate. This consistent fluctuation of humidity not only shapes the weather but also enhances the rich vibrancy of the region throughout the year.
In January, Porto, Portugal, sees a UV Index of 2, indicating a low exposure category and a safe burn time of 45 minutes. This low level of ultraviolet radiation marks a stark contrast to the peaks of summer, where the index can reach extremes of 11 in June. As winter transitions into spring, UV levels begin to rise, creeping up to 4 in February and reaching 6 by March, as residents and visitors start to experience increased sunlight. The trend continues upward through the months, with April and May exhibiting very high levels, prompting shorter burn times of just 15 minutes. This pattern emphasizes the importance of sun safety as the year progresses; in contrast, both January and December offer a more relaxed approach to sun exposure with their low UV indices. For a deeper understanding of the UV conditions throughout the year, visit Porto UV Index.
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In Porto, Portugal, January brings approximately 159 hours of sunshine, marking the start of a gradual increase in daylight as winter recedes. This upward trend continues into February with 210 hours, signaling the approach of spring. By March, the city basks in 286 hours of sunlight, as the vibrant blooms begin to emerge. As the days grow longer, April enjoys 344 hours, followed by an impressive 405 hours in May, creating an inviting atmosphere for visitors. June and July peak with 407 and 427 hours respectively, offering the sunniest moments of the year. However, as summer transitions into autumn, August sees a slight dip to 396 hours, leading into a gradual decline in sunlight through September (346 hours) and October (302 hours). November and December close the year with 206 and 182 hours respectively, yet the cyclical nature of Porto's climate promises the return of warmth and light as the seasons turn once more.
In January, Porto, Portugal, enjoys a 42% chance of sunny weather—a promising start to the year compared to the following month, February, which sees a significant drop to 17%. As spring approaches in March, the likelihood of sunshine rises dramatically to 56%, hinting at a gradual return of brightness. This upward trend continues into the summer months, peaking in August with an impressive 64% chance of sun. However, by the time we reach December, the sun takes a backseat once again, with a mere 34% likelihood. Overall, January serves as a launchpad for an increasing trend of sunnier days as the year progresses, inviting both residents and visitors to embrace the potential for outdoor adventures as winter wanes.
In Porto, Portugal, the daylight duration in January begins at a modest 9 hours, setting the stage for a gradual increase as winter wanes. As February rolls in, daylight extends to 10 hours, a clear signal of approaching spring. By March, the city welcomes 11 hours of sun, paving the way for more vibrant days. This upward trend culminates in April and May, when daylight reaches a delightful 13 and 14 hours respectively, invigorating outdoor pursuits. June brings the peak of the year with a generous 15 hours, offering sun-soaked adventures. As summer wanes in July and August, daylight begins a slow decline, dropping to 14 and 13 hours. The rhythm continues into fall, with September offering 12 hours, before dipping back to 11 hours in October. Finally, the cycle completes as November and December reduce daylight back to 9 hours, inviting cozy nights and the intimate glow of winter festivities, illustrating nature's perpetual dance between light and darkness in this charming coastal city.
In January, Porto greets the New Year with a gentle breeze, boasting an average wind speed of 3.5 m/s (8 mph). This moderate wind sets the stage for a cooler winter climate, gradually increasing in intensity as the months progress. By February, the gusts pick up slightly to 4.1 m/s (9 mph), showcasing the city's lively transition toward spring. However, as the season unfolds, wind speeds dip again in March and April, averaging around 2.5 to 2.7 m/s (6 mph), reflecting a calmer atmosphere. The trend stabilizes around 3.1 m/s (7 mph) during the summer months, maintaining a pleasant balance. As the year draws to a close, wind speeds fluctuate again, rising to 3.8 m/s (8 mph) in December, reminding us of the invigorating Atlantic influences that shape Porto’s weather throughout the year.
The weather in Porto 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 Porto and find detailed weather information for every month.
When comparing January and February weather, January typically has slightly cooler temperatures, with an average of 9°C (49°F) and a minimum of 0°C (32°F), while February offers a marginally milder climate with an average of 11°C (52°F) and a minimum of 1°C (34°F). Both months experience maximum temperatures peaking at 21°C (69°F to 71°F), but February sees a notable increase in precipitation, totaling 138 mm (5.4 in) over 11 days compared to January's 91 mm (3.6 in) across 8 days. Additionally, humidity levels drop from 87% in January to 81% in February, creating a slight difference in the overall feel of the weather. For more detailed insights, check out Porto weather in February.
In January, temperatures in Porto range from a minimum of 0°C (32°F) to a maximum of 21°C (69°F), with an average temperature of 9°C (49°F). The month experiences significant precipitation, totaling 91 mm (3.6 in) over about 8 rainy days, along with a high humidity level of 87%. In contrast, March sees a slight increase in temperatures, with minimums of 3°C (38°F) and maximums reaching 26°C (79°F), averaging at 12°C (54°F). Precipitation also rises, totaling 141 mm (5.6 in) over approximately 11 days, though humidity drops to a more comfortable 78%. For more detailed insights, check out Porto weather in March.
In January, the weather is cooler with average temperatures ranging from a minimum of 0°C (32°F) to a maximum of 21°C (69°F), while April enjoys milder conditions, with temperatures typically fluctuating between 4°C (40°F) and 27°C (81°F). The precipitation is higher in April, totaling 146 mm (5.7 in) over 13 days compared to January's 91 mm (3.6 in) across 8 wet days. Additionally, humidity levels are slightly lower in April at 79%, contrasting with January's relatively high humidity of 87%. For more details on the weather in April, you can visit Porto weather in April.
In January, Porto experiences cooler temperatures, with a minimum of 0°C (32°F) and an average of 9°C (49°F), while the maximum can reach up to 21°C (69°F). The month sees significant precipitation of 91 mm (3.6 in) over about 8 days, contributing to a high humidity level of 87%. In contrast, May ushers in warmer weather, with minimum temperatures of 6°C (43°F) and an average of 17°C (63°F), peaking at a comfortable 30°C (87°F). Although May has slightly lower precipitation at 81 mm (3.2 in) across 9 days, the humidity falls to 78%, making the climate feel drier. For a closer look at the weather trends during this month, you can visit Porto weather in May.
In January, the weather is much cooler, with temperatures ranging from a minimum of 0°C (32°F) to a maximum of 21°C (69°F) and an average of 9°C (49°F). The month sees significant precipitation of 91 mm (3.6 in) over 8 days and high humidity at 87%, making it feel quite chilly. In contrast, June brings warmer temperatures, with a minimum of 10°C (50°F), an average of 18°C (66°F), and a maximum reaching 32°C (90°F). The rainfall decreases to 50 mm (2.0 in) over the same number of days, while humidity drops to 71%, creating a much more pleasant and drier atmosphere. For a detailed view of June weather, visit Porto weather in June.
January and July present contrasting weather patterns. In January, temperatures range from a chilly minimum of 0°C (32°F) to a mild maximum of 21°C (69°F), with an average of 9°C (49°F). The month sees significant precipitation, totaling 91 mm (3.6 in) over about 8 days, contributing to a high humidity level of 87%. In contrast, July boasts much warmer conditions, with temperatures ranging from a minimum of 11°C (52°F) to a scorching maximum of 34°C (94°F) and an average of 21°C (70°F). Precipitation drops dramatically to just 23 mm (0.9 in) over 4 days, and humidity decreases to a more comfortable 63%. For more specific insights, you can check out Porto weather in July.
January and August present starkly contrasting weather conditions. In January, temperatures range from a chilling minimum of 0°C (32°F) to a comfortable maximum of 21°C (69°F), with an average temperature of 9°C (49°F). This month also sees considerable precipitation, with 91 mm (3.6 in) of rainfall occurring over 8 days and a high humidity of 87%, contributing to a damp and cool atmosphere.
In contrast, August boasts significantly warmer weather, with temperatures ranging from a minimum of 12°C (54°F) to a scorching maximum of 36°C (98°F), averaging 21°C (70°F). Precipitation is much lower during this month, totaling only 19 mm (0.7 in) over just 4 days, and humidity drops to a more comfortable 64%. For a detailed look at August weather, you can visit Porto weather in August.
January and September in Porto present distinct weather patterns. In January, temperatures range from a chilly 0°C (32°F) at night to a mild 21°C (69°F) during the day, with an average temperature of 9°C (49°F). This month also sees considerable precipitation, totaling 91 mm (3.6 in) over about 8 days, coupled with high humidity at 87%. In contrast, September offers a significantly warmer climate, with temperatures varying from a minimum of 10°C (51°F) to a sweltering maximum of 34°C (94°F), resulting in an average of 20°C (68°F). Rainfall in September is notably lower, with just 39 mm (1.5 in) over 6 days and a comfortable humidity level of 71%. For more details on the September weather in Porto, refer to Porto weather in September.
In January, Porto experiences cooler temperatures, with a minimum of 0°C (32°F) and an average of 9°C (49°F), reaching a maximum of 21°C (69°F). The month is characterized by high humidity at 87% and significant rainfall, totaling 91 mm (3.6 in) over about 8 days. In contrast, October brings milder and warmer conditions, featuring a minimum temperature of 6°C (44°F) and an average of 17°C (62°F), with highs reaching up to 31°C (88°F). Rainfall is slightly heavier in October, amounting to 121 mm (4.8 in) over 10 days, but the humidity lowers to 79%. For more detailed information, check out Porto weather in October.
January and November in Porto offer distinct weather experiences. In January, temperatures range from a chilly 0°C (32°F) to a mild 21°C (69°F), with an average of 9°C (49°F). This month sees about 91 mm (3.6 in) of precipitation over 8 days, along with relatively high humidity at 87%. In contrast, November is slightly warmer, with minimum temperatures of 4°C (40°F) and an average of 13°C (55°F), peaking at 21°C (71°F). However, it is notably wetter, receiving 156 mm (6.1 in) of rain over 13 days and maintaining a humidity level of 86%. For more details, check out Porto weather in November.
In comparing the weather between January and December, January tends to be slightly cooler, with average temperatures ranging from a minimum of 0°C (32°F) to a maximum of 21°C (69°F), while December features a minimum of 1°C (35°F), averaging out at 11°C (52°F) and peaking at 18°C (65°F). Precipitation levels are significantly higher in December, accumulating 187 mm (7.4 in) over 15 days compared to January’s 91 mm (3.6 in) over just 8 days. Despite the differences in temperatures and rainfall, both months share a consistent humidity level of 87%. For those interested in understanding December’s climate better, check out Porto weather in December.
January in Porto is a month of contrasts, where winter's chill is tempered by occasional mild days. While temperatures can drop to a brisk 0°C, the warmer peaks can reach up to 21°C, providing a unique blend of cold and cool days. This month experiences an average of 91 mm of rainfall over approximately 8 days, contributing to a notably humid atmosphere at 87%. Compared to the rest of the year, January feels distinctively cooler and wetter, making it an ideal time for cozy indoor experiences. For a deeper dive into Porto's seasonal dynamics, explore Porto Climate.