Last updated: February 6, 2025
In December, Barcelona experiences a pleasant yet cool climate, with maximum temperatures reaching around 18°C (65°F) and dipping to an average of 10°C (50°F), making it ideal for exploring the city's attractions. The minimum temperature can drop to 1°C (34°F) on colder nights. Rainfall is moderate, with approximately 30 mm (1.2 in) over about 4 days, contributing to the overall humidity level of 79%. This combination of mild temperatures and occasional precipitation creates a unique winter atmosphere, perfect for both locals and visitors to enjoy the festive season in this vibrant city.
In December, Barcelona experiences a delightful transition into winter, with temperatures reflecting a cool and crisp atmosphere. The month sees minimums around 1°C (34°F), providing a chill that contrasts with the vibrant holiday spirit of the city. While daytime brings a comfortable average of 10°C (50°F), reaching a pleasant high of 18°C (65°F), it's a stark contrast to the warmer months preceding it, where highs soared into the 30s. This gradual cooling trend from November's mild 13°C (55°F) average allows for cozy evenings spent exploring festive markets or relaxing in charming cafes. Visitors can enjoy the seasonal ambiance without the sweltering heat that characterizes Barcelona's summer, making December an ideal time to experience the city's culture and cuisine in a refreshing climate.
December in Barcelona marks a transition into the winter months, with precipitation levels generally lower than in the preceding fall. This month receives an average of 30 mm (or 1.2 in) of rain, spread over just 4 days, making it one of the driest months of the year. In contrast to the notable rainfall of 121 mm in October and 67 mm in November, December's relatively light showers signal a shift toward cooler, drier weather. As the year draws to a close, the reduction in precipitation reflects the typically milder Mediterranean climate, providing a reprieve before the wetter months re-emerge in early spring.
In December, Barcelona experiences a humidity level of 79%, mirroring the moist air typically felt in January and November. This holiday season, as temperatures chill, the city's humidity reflects a trend of increasing moisture during the winter months. Interestingly, following a gradual decrease from a summer low of 64% in July and August, the humidity begins to rise again in the fall, culminating in this moisture-rich close to the year. With the festive atmosphere and slightly heavier air, December offers a unique charm, inviting visitors to experience the city's beauty enveloped in a softer, damper climate.
In December, Barcelona experiences a notable drop in the UV Index, with a value of 2, categorized as low. This signifies a reprieve from the intense summer sun, allowing residents and visitors to enjoy longer outdoor activities with a burn time of 45 minutes before needing sun protection. The trend clearly shows a gradual decrease in UV levels as winter approaches, following the high peaks of July and August when the UV Index reached its maximum of 10. As the transition from autumn to winter continues, it's essential to stay mindful of sun exposure, but December offers a more forgiving climate for those enjoying the mild weather. For more details, check the full guide on Barcelona UV Index.
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As the year comes to a close, December in Barcelona brings a subtle shift in daylight, with 260 hours of sunshine. While this may seem like a dip from the vibrant summer months—where July attracts the highest at 425 hours—it still offers a comforting glow compared to the earlier winter months. Notably, the months leading up to December, including a bright November at 263 hours, reveal a natural decline in sunlight, yet Barcelona retains its charm with mild weather that invites leisurely strolls through the city's festive streets. The gradual decrease in sunlight hours serves as a reminder of the changing seasons, with sunshine still gracing the city’s picturesque landscapes, making December a cozy, inviting experience for both locals and travelers alike.
In December, Barcelona enjoys a 53% chance of sunny weather, making it one of the brighter months in the latter part of the year. This is a notable trend when we look at the overall pattern over the months: while winter starts to settle in, December stands out with a sun likelihood comparable to that of June and higher than that of January and February. As autumn fades and the city prepares for the festive season, residents and visitors alike can anticipate a mix of crisp winter air and glimpses of sunshine, offering a delightful backdrop for holiday activities. So, while you may want to pack a warm jacket, don’t forget to include your sunglasses to fully enjoy the charm of Barcelona in December!
In Barcelona, December brings a retreat into the shorter days of winter, offering only 9 hours of daylight. This period mirrors the daylight duration seen in January and November, creating a cozy, reflective atmosphere in the city. As the year progresses from winter to summer, daylight steadily increases, peaking at 15 hours in June. Following this, days gradually shorten again, with a notable drop in July and August. This cyclical trend of light plays a significant role in the city's vibrant culture and outdoor lifestyle, making the most of longer days in spring and summer while embracing the introspective beauty of winter's shorter daylight hours.
As December unfolds in Barcelona, the city experiences a gentle breeze with an average wind speed of 2.6 m/s (6 mph). This marks a slight increase from the more variable winds of November, which saw speeds reaching 2.9 m/s (7 mph). Throughout the year, the wind patterns in Barcelona reveal a subtle trend: from the moderately swift air of January through to April, the winds generally remain mild but consistent. By the late summer months, such as August, they calm down further to 2.4 m/s (5 mph). As winter approaches, December's winds settle into a comfortable rhythm, providing a serene backdrop to the city's vibrant streets. The overall trend indicates a softening of winds as the year progresses, creating a tranquil ambiance that complements the holiday season in this enchanting coastal city.
The weather in Barcelona changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of December's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Barcelona and find detailed weather information for every month.
December and January share similar humidity levels of 79%, contributing to a consistent feel in the air. However, January typically experiences slightly cooler average temperatures, with an average of 8°C (47°F) compared to December's 10°C (50°F). While both months see mild maximum temperatures, January can reach up to 20°C (68°F), a bit higher than December’s maximum of 18°C (65°F). Additionally, January tends to be wetter, receiving 56 mm (2.2 in) of precipitation over 6 days, compared to December's 30 mm (1.2 in) over 4 days. For more detailed information about the weather in January, check out Barcelona weather in January.
December and February in Barcelona showcase distinct yet relatively mild winter weather patterns. In December, temperatures range from a minimum of 1°C (34°F) to a maximum of 18°C (65°F), with an average of 10°C (50°F), and the month experiences about 30 mm (1.2 in) of precipitation over 4 days. Humidity remains fairly high at 79%. Meanwhile, February sees slightly cooler nights with a minimum of 0°C (33°F), but warmer daytime highs reaching up to 21°C (69°F) and maintaining an average temperature of 10°C (51°F). The month is wetter, with approximately 46 mm (1.8 in) of rain across 7 days, yet it boasts a lower humidity of 74%. For a more detailed look at February's weather, visit Barcelona weather in February.
In December, temperatures in Barcelona range from a chilly minimum of 1°C (34°F) to a comfortable maximum of 18°C (65°F), with an average temperature of 10°C (50°F). The month sees about 30 mm (1.2 in) of precipitation over four days, paired with a relatively high humidity level of 79%. In contrast, March experiences slightly warmer conditions, with a minimum of 2°C (36°F) and a maximum of 21°C (71°F), averaging 11°C (53°F). Precipitation increases to 47 mm (1.8 in) across seven days, while humidity drops to 71%. For more detailed insights, check out Barcelona weather in March.
December weather in Barcelona is characterized by milder temperatures, with averages around 10°C (50°F) and maximums reaching 18°C (65°F). The month experiences relatively low precipitation, totaling 30 mm (1.2 in) over about 4 days, coupled with higher humidity levels at 79%. In contrast, April sees a notable rise in temperatures, with averages of 13°C (56°F) and maximums soaring up to 24°C (75°F). However, this month is wetter, accumulating 71 mm (2.8 in) of rain over approximately 9 days, and the humidity drops to 69%. For more details on April's climate, you can refer to Barcelona weather in April.
In December, the weather tends to be cooler, with average temperatures ranging from a minimum of 1°C (34°F) to a maximum of 18°C (65°F) and an average of 10°C (50°F). The month sees about 30 mm (1.2 in) of precipitation over approximately four days, coupled with a higher humidity level of 79%. In contrast, May experiences warmer conditions, characterized by temperatures that range from a minimum of 7°C (44°F) to a sweltering maximum of 30°C (86°F), averaging 17°C (63°F). Rainfall increases to about 49 mm (1.9 in) over nine days, but the humidity drops to a more comfortable 66%. For a detailed look at the weather patterns, visit Barcelona weather in May.
December and June showcase striking contrasts in weather. In December, temperatures range from a chilly 1°C (34°F) at night to a mild average of 10°C (50°F), peaking at 18°C (65°F) during the day. Humidity is relatively high at 79%, with about 30 mm (1.2 in) of precipitation occurring over 4 days. In contrast, June brings warmer climes, with nighttime lows of 13°C (55°F) and daytime highs averaging around 21°C (71°F), reaching up to 32°C (90°F). The humidity is more comfortable at 65%, and while there are slightly more rainy days (6), the total precipitation is somewhat lower at 26 mm (1.0 in). For a deeper look into the delightful June weather, check out Barcelona weather in June.
In December, the weather is characterized by cooler temperatures, with a minimum of 1°C (34°F) and an average of 10°C (50°F), reaching a maximum of 18°C (65°F). The month sees about 30 mm (1.2 in) of precipitation over approximately four days, coupled with a relatively high humidity level of 79%. In contrast, July boasts much warmer temperatures, ranging from a minimum of 16°C (62°F) to an average of 24°C (76°F), with maximum highs hitting 31°C (88°F). Precipitation in July is slightly higher at 35 mm (1.4 in) but occurs over just five days, and the humidity drops to a more comfortable 64%. For a detailed overview of July's weather, you can visit Barcelona weather in July.
In December, the weather is significantly cooler with average temperatures hovering around 10°C (50°F), while August boasts a much warmer average of 25°C (77°F). The minimum temperature in December can drop to 1°C (34°F), contrasting sharply with August's milder minimum of 15°C (60°F). Additionally, while December experiences relatively low precipitation with 30 mm (1.2 in) over about 4 days, August has slightly more rain at 37 mm (1.4 in) spread over 7 days. Furthermore, the humidity levels in December are higher at 79%, compared to a more comfortable 64% in August. For more details on August weather, check out Barcelona weather in August.
In December, the weather in Barcelona tends to be cooler, with temperatures ranging from a minimum of 1°C (34°F) to a maximum of 18°C (65°F), and an average of 10°C (50°F). The month experiences relatively low precipitation, with about 30 mm (1.2 in) falling over just 4 days, but the humidity remains high at 79%. In contrast, September brings warmer conditions, characterized by a minimum temperature of 12°C (54°F) and a maximum of 30°C (86°F), averaging around 22°C (71°F). This month is also wetter, recording 81 mm (3.2 in) of rainfall spread over 12 days, with lower humidity at 68%. For a closer look at September weather in Barcelona, you can visit Barcelona weather in September.
In comparing the weather between December and October, we see notable differences in both temperature and precipitation patterns. December tends to be cooler, with average temperatures ranging from a minimum of 1°C (34°F) to a maximum of 18°C (65°F), while October features milder temperatures, averaging between 7°C (45°F) and 26°C (79°F). Additionally, October experiences significantly higher precipitation, with 121 mm (4.7 in) over 11 days compared to December's 30 mm (1.2 in) over just 4 days. The humidity is slightly higher in December at 79%, while October maintains a similar level at 77%. For more details about October’s weather, you can check Barcelona weather in October.
In comparing the weather between November and December, December tends to be cooler overall, with average temperatures ranging from a minimum of 1°C (34°F) to a maximum of 18°C (65°F), compared to November's milder range of 3°C (38°F) to 23°C (73°F). While both months experience high humidity at 79%, December sees significantly less precipitation, with only 30 mm (1.2 in) over 4 days, as opposed to November's 67 mm (2.6 in) across 8 days. For a more detailed look at November’s weather, you can check out Barcelona weather in November.
December in Barcelona showcases a distinctively cooler climate compared to the warmer months, with pleasant daytime temperatures inviting exploration, yet brisk evenings requiring cozy attire. As the festive season unfolds, the city experiences refreshing air with moderate humidity that contrasts sharply with the summer swelter. Although rain is infrequent, a few damp days may appear, providing a perfect backdrop for the bustling holiday markets. For those looking to enjoy the city's charm without the peak tourist crowds, December is an excellent time to visit. To learn more about what to expect year-round, check out Barcelona Climate.