Last updated: February 6, 2025
December in Castelldefels, Spain offers a mild yet refreshing climate, with maximum temperatures reaching 18°C (65°F) and an average of 12°C (53°F). As the month progresses, temperatures dip to a minimum of 4°C (40°F) during the cooler nights. Expect around 30 mm (1.2 in) of rain over the month, with precipitation occurring on approximately 4 days, contributing to a humidity level of about 79%. This combination of mild weather and occasional showers creates a unique charm, making December a delightful time to experience the beauty of Castelldefels.
In Castelldefels, Spain, December sees a noticeable shift as temperatures gradually descend toward winter. With minimum temperatures around 4°C (40°F) and average highs reaching 18°C (65°F), the month offers a gentle chill compared to the previous fall months. The average temperature settles at 12°C (53°F), making it a comfortable yet crisp time to explore the coastal town. As the holiday season approaches, the cooler air enhances the charm of festive activities, inviting both locals and visitors to enjoy the beautiful surroundings without the summer crowds. Overall, December's temperatures indicate a transitionary period, setting the stage for a cozy winter experience in this picturesque Spanish locale.
December in Castelldefels showcases a distinct decline in precipitation, with just 30 mm (1.2 in) of rainfall over 4 days, marking it as one of the driest months of the year. This trend contrasts sharply with the wetter months of September and October, which see significantly higher precipitation levels—99 mm (3.9 in) and 109 mm (4.3 in) respectively. Notably, December's precipitation is not only lower in quantity but also fewer in rainy days, emphasizing a shift towards drier conditions as the year comes to a close. As the festive season approaches, residents can expect clearer skies and milder weather, perfect for enjoying holiday activities outdoors.
In Castelldefels, Spain, December sees a return to heightened humidity levels, with an average of 79%. This marks a noticeable trend as the year closes; humidity rises during the colder months, peaking in both November and December at the same level. Throughout the year, humid conditions typically diminish from a starting point of 79% in January, gradually declining to a low of 64% in the summer months of July and August. As autumn arrives, humidity levels rebound, culminating in the winter months where the air feels heavier once more. This cyclical pattern underscores the area’s distinctive seasonal climate, offering a refreshing contrast as residents and visitors prepare for the festive season amidst this dampness.
As December arrives in Castelldefels, Spain, the UV Index dips to a low level of 2, marking a significant decrease from the intense peaks of summer. This reduction in UV radiation allows for a safer outdoor experience, with a burn time of 45 minutes under direct sunlight—almost double that of the previous months. The transition from a very high index of 10 in the summer to a moderate range of 3 in the fall reflects the changing seasons and urges residents and visitors to adapt their sun protection strategies accordingly. While enjoying the milder winter sun, it's important to remember that even at lower UV levels, one should still be mindful of long exposure. For detailed insights and up-to-date information, check out the Castelldefels UV Index.
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In December, Castelldefels, Spain, experiences a dip in sunshine hours, with 263 hours shining down compared to the bustling summer months. This decrease seamlessly follows November's 265 hours, marking a gentle transition into the winter months. As we look back, the sun's presence peaks dramatically in the summer, with July basking in an impressive 425 hours. The trend showcases a captivating journey from 206 hours in January, gradually rising to a late spring crescendo in May at 406 hours. While December may feel less luminous than the sun-drenched heights of summer, it still offers a comforting embrace of daylight, hinting at the vibrant sunshine that lies just around the corner as the seasons begin to change once more.
In Castelldefels, Spain, December boasts a 53% chance of sunny weather, making it a delightful time to enjoy the mild, often sunny days of late autumn. Analyzing trends throughout the year, we see a notable increase in sunny days as summer approaches, peaking in July with 72%, before gradually declining once again. December's sunshine probability is quite favorable, particularly when compared to months like February (38%) and September (35%), indicating that while winter is settling in, the sun still makes a cheerful appearance. Overall, December stands as a transition month, offering a pleasant blend of sun and cool weather, ideal for enjoying the picturesque coastal views.
In Castelldefels, Spain, December marks the transition into winter, bringing shorter days with only 9 hours of daylight, consistent with the trend observed in both January and November. As the year progresses, daylight gradually increases from 9 hours in January to a peak of 15 hours in June. The spring months witness a significant surge in brightness, as daylight extends to 14 hours in May, creating the perfect ambiance for outdoor activities. However, the onset of autumn sees a decline, with daylight reducing steadily from 12 hours in September to 11 hours in October, before settling back to 9 hours during the winter months. This cyclical variation in daylight not only shapes the lifestyle in Castelldefels but also influences the local culture and activities throughout the year.
As December rolls into Castelldefels, Spain, the average wind speed settles at 4.1 m/s (9 mph), a slight uptick from the calmer breaths of summer. This month sees a trend reversal, where the winds pick up after the gentler whispers of June and August, which recorded their lowest speeds at 3.3 m/s and 3.2 m/s respectively. Compared to November's 4.4 m/s (10 mph), December's winds become a gentle reminder of the shifting seasons, fostering a cozy atmosphere perfect for winter activities. Interestingly, the winter months tend to have more variability, as seen from the steadier, lighter breezes of spring and summer. The ebb and flow of the winds in December encapsulates the essence of Castelldefels: a vibrant transition towards the year's end, combining the refreshing chill of winter with the warm charm of the Mediterranean coast.
The weather in Castelldefels 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 Castelldefels and find detailed weather information for every month.
In December, temperatures in Castelldefels range from a minimum of 4°C (40°F) to a maximum of 18°C (65°F), with an average of 12°C (53°F). The month sees about 30 mm (1.2 inches) of precipitation over four days, while humidity levels remain steady at 79%.
In comparison, January experiences slightly cooler temperatures, with a minimum of 3°C (38°F) and a maximum of 20°C (68°F), averaging at 10°C (50°F). Precipitation increases to 59 mm (2.3 inches) across six days, yet the humidity remains unchanged at 79%. For more detailed weather insights, you can check out Castelldefels weather in January.
In December, temperatures in Castelldefels range from a minimum of 4°C (40°F) to a maximum of 18°C (65°F), with an average temperature of 12°C (53°F). The month sees about 30 mm (1.2 in) of precipitation over approximately 4 days, accompanied by a relatively high humidity level of 79%. In contrast, February experiences slightly cooler minimum temperatures of 2°C (37°F) and a similar maximum of 19°C (66°F), with an average temperature dropping to 11°C (53°F). However, February is wetter, receiving around 47 mm (1.9 in) over 6 days, while the humidity decreases to 74%. For a deeper dive into February weather specifics, check out Castelldefels weather in February.
In December, temperatures in Castelldefels range from a minimum of 4°C (40°F) to a maximum of 18°C (65°F), with an average temperature of 12°C (53°F). The month experiences about 30 mm (1.2 inches) of precipitation over approximately 4 days, accompanied by higher humidity levels at 79%. In contrast, March sees a similar temperature range; however, it slightly increases with a maximum of 19°C (67°F) and an average of 12°C (54°F). Precipitation rises to 47 mm (1.9 inches) over 6 days, while humidity decreases to 71%. For a more detailed look into the weather during March, check out Castelldefels weather in March.
December and April present distinct contrasts in weather. In December, temperatures range from a minimum of 4°C (40°F) to a maximum of 18°C (65°F), with an average of 12°C (53°F). The month sees limited rainfall, totaling 30 mm (1.2 in) over about four days, accompanied by a higher humidity of 79%. In contrast, April offers slightly warmer conditions with temperatures ranging from a minimum of 6°C (43°F) to a maximum of 20°C (69°F), averaging 14°C (57°F). However, April experiences more precipitation, with 69 mm (2.7 in) spread over nine days, and a lower humidity level of 69%. For more detailed information on weather patterns during this spring month, you can refer to Castelldefels weather in April.
In December, the weather is cooler with minimum temperatures around 4°C (40°F) and an average of 12°C (53°F), while maximum temperatures reach up to 18°C (65°F). The month experiences relatively light precipitation, totaling about 30 mm (1.2 in) over approximately 4 days, accompanied by a higher humidity level of 79%. In contrast, May offers a warmer climate, with minimum temperatures starting at 9°C (48°F) and an average of 17°C (63°F), peaking at 25°C (78°F). Although May sees slightly more precipitation at 39 mm (1.5 in) spread out over about 7 days, the humidity decreases to 66%. To learn more about the weather in Castelldefels during this month, visit Castelldefels weather in May.
December and June present quite contrasting weather conditions. In December, temperatures range from a chilly 4°C (40°F) at night to a mild maximum of 18°C (65°F) during the day, with an average temperature of 12°C (53°F). The month experiences around 30 mm (1.2 in) of precipitation over four days and maintains a higher humidity level of 79%. In contrast, June boasts warmer temperatures, with nighttime lows of 14°C (58°F), daytime highs reaching up to 28°C (83°F), and an average of 21°C (71°F). Precipitation remains slightly higher in June, totaling 31 mm (1.2 in) over five days, but with a noticeably lower humidity of 65%. For more details, check out Castelldefels weather in June.
December and July present quite contrasting weather patterns. In December, temperatures range from a chilly 4°C (40°F) at night to a mild 18°C (65°F) during the day, with an average of 12°C (53°F). The month experiences a fair amount of humidity at 79% and sees precipitation on about 4 days, totaling around 30 mm (1.2 in). In stark contrast, July boasts much warmer temperatures, with nighttime lows of 18°C (64°F) and daily highs reaching up to 29°C (85°F), averaging 24°C (76°F). This summer month also has lower humidity at 64% and slightly less rainfall, averaging about 28 mm (1.1 in) over 5 days. For a closer look at the weather specifics, check out Castelldefels weather in July.
December and August present distinctly different weather patterns, reflecting the shift from winter to summer. In December, temperatures fluctuate between a minimum of 4°C (40°F) to a maximum of 18°C (65°F), with an average of 12°C (53°F). The month experiences around 30 mm (1.2 in) of precipitation spread over four days, accompanied by relatively high humidity at 79%. In contrast, August boasts warmer temperatures, with a minimum of 18°C (65°F), an average of 25°C (77°F), and a peak of 32°C (90°F). While precipitation increases slightly to 38 mm (1.5 in) over seven days, the humidity is lower at 64%. For more detailed information, you can refer to Castelldefels weather in August.
December and September exhibit significantly different weather conditions. In December, temperatures range from a chilly minimum of 4°C (40°F) to a mild maximum of 18°C (65°F), with an average temperature of 12°C (53°F). The month is also marked by relatively low precipitation, totaling 30 mm (1.2 in) over just 4 days, while humidity remains high at 79%. In contrast, September boasts much warmer temperatures, with a minimum of 15°C (59°F) and a maximum of 28°C (83°F), averaging around 22°C (73°F). However, it is a wetter month, receiving 99 mm (3.9 in) of rainfall over 13 days and with lower humidity at 68%. For more detailed insights, you can check Castelldefels weather in September.
When comparing the weather in December and October, there are notable differences in temperature and precipitation levels. In December, temperatures range from a minimum of 4°C (40°F) to a maximum of 18°C (65°F), with an average of 12°C (53°F), while October boasts milder temperatures, ranging from 9°C (49°F) to 25°C (77°F), with an average of 19°C (66°F). Moreover, October experiences significantly more rainfall, with 109 mm (4.3 in) spread over 11 days, compared to December's lighter 30 mm (1.2 in) over just 4 days. Interestingly, humidity levels are quite similar, with December at 79% and October slightly lower at 77%. For a detailed look at October's weather, you can explore Castelldefels weather in October.
In comparing the weather of December to that of November, we notice that December tends to be cooler with an average temperature of 12°C (53°F), compared to November’s warmer average of 14°C (58°F). The minimum temperatures in December are lower, at 4°C (40°F), while November starts at a milder 7°C (44°F). Additionally, December experiences significantly less precipitation, with only 30 mm (1.2 in) over 4 days, compared to November's 81 mm (3.2 in) over 9 days. Both months share a similar humidity level of 79%, making the air feel quite similar in that regard. To learn more about the specifics of November weather, you can visit Castelldefels weather in November.
As December settles over Castelldefels, the weather takes on a more wintry charm, contrasting with the warmer months of the year. The maximum temperatures dip to a mild 18°C, creating a cool yet comfortable atmosphere perfect for outdoor strolls without the sweltering heat of summer. While the month experiences an average of humble precipitation, with just a few rainy days, the humidity lingers at 79%, adding a touch of crispness to the air. This blend of cooler temperatures and occasional rain sets December apart from the sunnier, more vibrant months, making it a great time to explore the area while enjoying the serene vibe of the off-season. For a deeper dive into what the climate looks like year-round in Castelldefels, visit Castelldefels Climate.