Last updated: February 6, 2025
January in San Sebastián, Spain presents a blend of cool temperatures and significant rainfall, making it a month of dynamic weather. Throughout the month, you can expect maximum highs around 18°C (65°F) and average temperatures hovering around 7°C (45°F), with chilly nights potentially dipping as low as -2°C (29°F). Rainfall is quite prevalent, accumulating to 147 mm (5.8 in) over 14 days, while the humidity remains relatively high at 86%, lending a crisp feel to the coastal atmosphere. Whether you're enjoying the vibrant culture or taking in stunning seascapes, January's varied weather adds an intriguing charm to San Sebastián's winter allure.
In January, San Sebastian experiences a chilly yet invigorating climate, with temperatures ranging from a minimum of -2°C (29°F) to a pleasant maximum of 18°C (65°F). The average temperature hovers around 7°C (45°F), providing a cool backdrop for winter activities and cozy indoor gatherings. As the month progresses and transitions into February, temperatures dip slightly, with minimums reaching -4°C (25°F), but the overall trend is a gradual warming, leading into the more temperate months ahead. This early part of the year showcases the city's varying seasonal charm, making it a great time for visitors to explore its seasonal delicacies and stunning surroundings, before the spring warmth sets in.
January marks one of the wetter months in San Sebastián, with an average precipitation of 147 mm (5.8 in) spread over 14 days. This trend of high rainfall kicks off the year, setting the stage for a pattern that continues into the early months. As the season progresses into February and March, precipitation slightly decreases, yet the frequency of rainy days remains relatively consistent. Interestingly, November and December emerge as the most deluge-heavy months, showcasing a peak in precipitation. Overall, this coastal city experiences a unique rhythm of rainfall, ensuring its lush landscapes thrive throughout the year, reminding visitors of the vibrant natural beauty that rain can foster.
In January, San Sebastián experiences its highest humidity of the year at a brisk 86%, setting the tone for a relatively damp winter. As the season transitions into February, humidity slightly dips to 85%, before continuing its gradual decrease to 82% by March. Come spring, the humidity levels continue to hover around the low 80s, with April at 81% and May at 80%—indicative of a fresh, albeit moist atmosphere as nature awakens. By the time summer rolls in, the humidity stabilizes, with June and July both at 80%. However, as the temperatures peak in August, the air feels drier at 76%, signaling a subtle shift toward more comfortable conditions. This trend continues into early autumn, where September presents an even lower 75% humidity, before bouncing back to 81% in October. As the year wraps up, the humidity rises again, reaching 85% in November and peaking at 87% in December, illustrating San Sebastián's cyclical embrace of moisture throughout the changing seasons.
In January, San Sebastián experiences a low UV Index of 2, making it an ideal time for outdoor activities without the intense sun exposure characteristic of later months. With a burn time of approximately 45 minutes, residents and visitors can enjoy the crisp winter air while staying safe from harmful rays. As winter transitions to spring, UV levels begin to rise, peaking at a very high index of 10 during the summer months of June and July, where the burn time decreases to a swift 15 minutes. This noticeable escalation highlights the importance of sun safety as spring approaches, with March and April registering high indices of 6 and 7, respectively. The gradual increase culminates in the summer, where protection becomes paramount, before tapering off again in the fall and winter. For a detailed view of the UV index throughout the year, visit San Sebastian UV Index.
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In San Sebastián, January kicks off with 170 hours of sunshine, laying the groundwork for a gradual but notable increase in daylight. By February, the sun shines for 240 hours, hinting at the awakening of spring. As the months progress, we see a delightful climb, with March enjoying 305 hours and April basking in 333 hours of golden rays. This upward trajectory peaks in the summer months, where July dazzles with 403 hours, marking the height of warmth and leisure. Interestingly, while August dips slightly to 385 hours, the months of September and October offer a respectable 335 and 293 hours, respectively, welcoming the autumn with lingering sunlight. As the year closes, the season winds down to 230 hours in November and 212 hours in December, painting a vivid picture of San Sebastián's sun-kissed journey through the year. This trend beautifully illustrates how the changing seasons invite both locals and visitors to revel in the serene beauty of this coastal gem.
In San Sebastian, Spain, January offers a modest 21% chance of sunny weather, reflecting the tendency for the winter months to be quite cloudy and damp. This probability aligns seamlessly with the equally overcast February, suggesting that travelers may want to be prepared for grayer skies during these months. As spring approaches, the likelihood of sunshine dramatically increases, with March leapfrogging to 43%, indicating a promising shift towards brighter days. The trend continues into April, which enjoys a 38% chance of sun, while the sunny weather begins to taper off slightly in May at 29%. Interestingly, the summer months retain a balance of sunshine with percentages hovering around the mid to high 30s. Overall, if you’re considering a visit in January, be ready to embrace San Sebastian's beautiful yet unpredictable winter charm.
In San Sebastián, January marks the beginning of a gradual increase in daylight, with the city enjoying about 9 hours of sunlight. As the weeks unfold, February brings an extra hour, hinting at the approach of spring. By March, this growth continues, reaching 11 hours, and in April, daylight extends to 13 hours, inviting residents and visitors alike to relish outdoor activities. The peak comes in June with a delightful 15 hours of daylight, providing ample time for exploration. However, as summer fades, the days begin to shorten, transitioning back to 14 hours in July and 13 hours in August. This decline subtly continues into autumn, with September offering 12 hours, while October and November revert to 10 and 9 hours respectively. By December, daylight aligns with January, closing the year with a rhythm of light that reflects the seasonal changes inherent to this beautiful coastal city.
In January, the average wind speed in San Sebastian reaches a brisk 4.0 m/s (9 mph), setting a lively tone for the start of the year. This month marks the beginning of a gradual increase in winds, peaking in December at a notable 4.7 m/s (11 mph), which suggests a dynamic ebb and flow throughout the winter months. Following January, February sees a slight uptick in wind speed, indicating a trend of growing breeziness that typically peaks during the colder months before easing into the calmer summer of June and July. As spring approaches, the winds noticeably moderate, dipping to their lowest in August, where they hover around 2.6 m/s (6 mph). This cycle highlights San Sebastian's unique maritime climate, where the winds play a lively yet temperate role in the seasonal rhythm.
The weather in San Sebastian 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 San Sebastian and find detailed weather information for every month.
In comparing the weather between January and February, January typically features slightly milder temperatures, with an average of 7°C (45°F) and a maximum reaching 18°C (65°F), while February sees a cooler minimum of -4°C (25°F) but a higher average of 9°C (49°F) and a warmer maximum of 22°C (71°F). Precipitation levels are relatively similar, with January receiving 147 mm (5.8 in) over 14 days compared to February's 130 mm (5.1 in) across 13 days. Humidity remains high in both months, with January at 86% and February just a touch lower at 85%. For more detailed insights into February weather, you can refer to San Sebastian weather in February.
In January, the weather in San Sebastian typically features temperatures ranging from a chilly -2°C (29°F) to a mild 18°C (65°F), with an average temperature of 7°C (45°F). The month is characterized by significant precipitation, totaling 147 mm (5.8 in) over about 14 days, and a high humidity level of 86%. In contrast, March sees slightly warmer conditions, with temperatures varying from -1°C (30°F) to a pleasant 22°C (71°F), averaging around 10°C (51°F). While the precipitation decreases to 124 mm (4.9 in) across 17 days, the humidity also drops to 82%, making March feel more comfortable overall. For a detailed look at March weather specifics, you can visit San Sebastian weather in March.
In January, the weather is notably colder, with temperatures ranging from a minimum of -2°C (29°F) to a maximum of 18°C (65°F) and an average of 7°C (45°F). This month sees considerable precipitation, totaling 147 mm (5.8 in) over 14 days, and high humidity levels at 86%. In contrast, April brings warmer conditions, with a minimum temperature of 1°C (34°F), an average of 12°C (54°F), and a maximum of 23°C (74°F). Although it still experiences 14 days of rain, the overall precipitation is decreased to 108 mm (4.3 in) and humidity levels drop slightly to 81%. For more detailed information, check out San Sebastian weather in April.
January and May present starkly contrasting weather conditions. In January, temperatures range from a chilly -2°C (29°F) to a mild 18°C (65°F), with an average of 7°C (45°F), accompanied by high humidity at 86%. The month also sees considerable precipitation, totaling 147 mm (5.8 in) over 14 rainy days. In contrast, May brings a noticeable warming, with temperatures ranging from a minimum of 4°C (39°F) to a comfortable maximum of 27°C (80°F) and an average of 14°C (58°F). Although May experiences slightly less precipitation at 120 mm (4.7 in), it also has a higher number of rainy days at 17, but the humidity is lower at 80%. For more details on the delightful weather in May, visit San Sebastian weather in May.
In January, temperatures in San Sebastian tend to be quite chilly, with averages around 7°C (45°F) and a maximum of 18°C (65°F), while the minimum can drop as low as -2°C (29°F). The month sees significant precipitation, totaling 147 mm (5.8 in) over 14 days, accompanied by high humidity levels at 86%. In contrast, June brings much warmer conditions, with averages at 17°C (63°F) and highs reaching 32°C (90°F). Although rainfall is slightly less at 135 mm (5.3 in) across 15 days, the humidity is somewhat lower at 81%. To learn more about the weather specifics during June, check out San Sebastian weather in June.
In January, the weather in San Sebastian is quite chilly, with temperatures ranging from a minimum of -2°C (29°F) to a maximum of 18°C (65°F) and an average of 7°C (45°F). The month sees significant precipitation, averaging 147 mm (5.8 in) over 14 days, accompanied by high humidity levels of 86%. In contrast, July offers a warm and favorable climate, with minimum temperatures around 12°C (53°F) and maximum temperatures soaring to 33°C (91°F), resulting in an average of 19°C (67°F). The precipitation in July is lower, at 93 mm (3.7 in), also spread over 14 days, but the humidity is slightly less at 80%. For more details on the summer weather in San Sebastian, check out San Sebastian weather in July.
January and August in San Sebastian show a stark contrast in weather conditions. In January, temperatures range from a chilly -2°C (29°F) at night to an average of 7°C (45°F) during the day, peaking at a mild 18°C (65°F). The month sees significant rainfall, with 147 mm (5.8 in) of precipitation spread over 14 days, and a high humidity level at 86%. In contrast, August offers a much warmer climate, with temperatures starting at a minimum of 12°C (53°F), averaging 20°C (67°F), and reaching a maximum of 31°C (88°F). Rainfall is also lighter, totaling 95 mm (3.7 in) over 15 days, and humidity drops to a more comfortable 76%. For more detailed insights into August weather, visit San Sebastian weather in August.
January weather can be quite chilly, with temperatures ranging from a minimum of -2°C (29°F) to a maximum of 18°C (65°F), and an average of 7°C (45°F). This month experiences significant precipitation, totaling 147 mm (5.8 in) over approximately 14 days, along with high humidity levels at 86%. In contrast, September offers a much warmer atmosphere, with temperatures fluctuating between a minimum of 9°C (48°F) and a maximum of 29°C (85°F), averaging 18°C (65°F). The precipitation in September is lower at 97 mm (3.8 in) over about 12 days, and the humidity is also reduced to 75%. For those interested in the specific weather conditions during this month, more details can be found in this link: San Sebastian weather in September.
When comparing the weather in January and October, notable differences emerge. January typically sees colder temperatures, with lows averaging around -2°C (29°F) and highs reaching up to 18°C (65°F). In contrast, October offers a milder climate, with minimum temperatures around 5°C (41°F) and maximums up to 26°C (79°F). Both months experience similar levels of precipitation, around 147 mm (5.8 in) in January and slightly less at 135 mm (5.3 in) in October, both spread over roughly 14 rainy days. Additionally, January has a higher humidity level at 86% compared to 81% in October, contributing to the chilliness of the winter month. For more details, you can check San Sebastian weather in October.
January and November present distinct weather characteristics. January typically experiences colder temperatures, with a minimum of -2°C (29°F) and an average of 7°C (45°F), while November enjoys milder conditions, ranging from a minimum of 2°C (36°F) to an average of 11°C (52°F). Precipitation is slightly more frequent in November, with 190 mm (7.5 in) over 18 days compared to January's 147 mm (5.8 in) across 14 days. Humidity levels remain quite similar, with January at 86% and November at 85%. For more detailed insights on November weather, visit San Sebastian weather in November.
In comparing the weather of January and December, January presents slightly cooler average temperatures, with a minimum of -2°C (29°F) and an average of 7°C (45°F), while December sees a minimum of -1°C (31°F) and an average of 9°C (49°F). Precipitation is notably higher in December, with 217 mm (8.5 in) recorded over 17 rainy days compared to January's 147 mm (5.8 in) over 14 days. Additionally, humidity levels remain similar, with January at 86% and December at 87%. For more detailed information on December weather, you can check San Sebastian weather in December.
January in San Sebastian offers a unique experience distinct from the other months of the year. With temperatures averaging around 7°C (45°F), it's one of the cooler months, often dipping near freezing at night. Despite the mild daytime maximum of 18°C (65°F), you'll want to bundle up to enjoy the scenic views, especially as this month sees about 14 days of precipitation. The high humidity of 86% adds a chill to the air, making it feel colder than it is. This combination of cooler temperatures and wetter weather sets January apart, inviting visitors to experience a quieter, more introspective side of the city. For more detailed insights, check out San Sebastian Climate.