Last updated: February 6, 2025
In December, Castro-Urdiales, Spain, experiences a mild coastal climate characterized by an average temperature of 12°C (53°F). Daytime highs can reach up to 19°C (66°F), while nights can dip to a brisk 6°C (43°F). The region receives substantial rainfall, with 191 mm (7.5 in) recorded over 18 days, contributing to a high humidity level of 85%. Visitors should prepare for a mix of wet and cool conditions, making it an ideal time for exploring the charming coastal town while enjoying its serene winter ambiance.
In December, Castro-Urdiales experiences a gentle shift into winter, with temperatures ranging from a minimum of 6°C (43°F) to a maximum of 19°C (66°F). The average temperature hovers around 12°C (53°F), offering a crisp yet mild environment that invites outdoor exploration. As the month progresses, the chill deepens just slightly, but overall, December maintains a comfortable range compared to the more frigid winter months ahead. This easing into winter fosters a serene atmosphere perfect for enjoying the coastal charm, with the landscape transitioning beautifully as the year comes to a close.
In December, Castro-Urdiales, Spain experiences a notable increase in precipitation, with the month receiving 191 mm (7.5 in) of rain, marking one of the wettest times of the year. This peak in rainfall coincides with 18 rainy days, demonstrating a persistent drizzle that blankets the coastal town. When compared to the preceding months, particularly November which also saw 189 mm, December continues this trend of heightened moisture as the colder season settles in. The months leading up to winter typically exhibit a gradual decrease in rainfall, but December's surge is a reminder of nature's cyclical patterns, emphasizing the need for warm attire and cozy indoor activities.
As December arrives in Castro-Urdiales, Spain, residents experience a humidity level of 85%, which reflects a slight increase compared to the preceding months. This is part of a more pronounced seasonal trend where humidity tends to rise during the winter months, peaking in July with 87%. Interestingly, humidity remains relatively stable from spring through early autumn, fluctuating between 77% in September and 83% in June. However, as the year draws to a close, December’s levels reinforce the trend of higher humidity that characterizes the colder months, creating a crisp yet moist atmosphere that signals the approach of winter.
In December, Castro-Urdiales experiences a low UV Index of 2, providing a welcomed respite from the intense sunlight of the preceding months. As winter settles in, the burn time increases to 45 minutes, allowing for more extended outdoor enjoyment without the immediate concern of sunburn. This trend marks a significant drop from the very high levels reached in the peak summer months, where a mere 15 minutes of exposure could lead to burning. Overall, December reflects a return to safer sun exposure levels, creating a perfect opportunity to bask in the winter sun while practicing sun safety. For more detailed information, check out Castro-Urdiales UV Index.
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In Castro-Urdiales, Spain, December may usher in a chill, but the lingering 225 hours of sunshine promise a warm respite amidst winter’s grasp. As the year draws to a close, the sunshine hours decrease steadily from the summer peak in July, which boasts a generous 408 hours. This trend highlights a gradual retreat from the abundant rays enjoyed in the earlier months, particularly May and June, known for their vibrant sunlight. However, even with the descending totals, December maintains a charm of its own, offering a mix of crisp air and bright days, ideal for exploring the coastal beauty of this enchanting town. The moderate sunshine continues to invite locals and visitors alike to bask in its glow, providing a perfect backdrop for festive celebrations as the year transitions into winter.
In December, Castro-Urdiales, Spain, experiences a 39% chance of sunny weather, showing a noticeable increase compared to the preceding months, particularly the low point of 19% in November. This uptick suggests that while December might feel wintery, it still has a decent potential for sun compared to the deep winter months immediately before it. Trends reveal that as the year winds down, there's a gradual inclination towards brighter days, with December's likelihood nearly matching the sunniest spring months like March at 43%. So, if you're planning a winter getaway, you might just catch some sun amidst the cool breeze!
In Castro-Urdiales, Spain, December marks a transition into the winter months, characterized by a return to shorter days, with daylight lasting around 9 hours. As the year progresses from January to March, daylight gradually increases, reaching an impressive 11 hours by March. This trend continues into the spring with April and May boasting up to 14 hours of sunlight, highlighting a vibrant burst of daylight as nature awakens. However, as summer peaks in June and July with 15 hours of daylight, the days start to shorten again in August, signaling a gradual retreat towards the shorter hours of autumn and winter. By the end of the year in November, daylight dips back to 9 hours, mirroring the beginning of the year, creating a cyclical rhythm that beautifully illustrates the seasonal shifts in Castro-Urdiales.
In Castro-Urdiales, Spain, December brings a refreshing change as the average wind speed picks up to 5.5 m/s (12 mph), marking it as one of the windiest months of the year. This uptick follows a gradual decline throughout the summer, where wind speeds hovered around 3.2 to 3.7 m/s from June to October. Interestingly, November experiences a brief resurgence to 4.9 m/s, setting the stage for December's breezy finale. Overall, the data reveals a clear trend where winter months enjoy stronger winds, with December standing out, inviting both adventure seekers and nature lovers to embrace the invigorating coastal gusts.
The weather in Castro-Urdiales 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 Castro-Urdiales and find detailed weather information for every month.
December and January present similar yet distinct weather patterns. In December, the temperatures range from a minimum of 6°C (43°F) to a maximum of 19°C (66°F), with an average of 12°C (53°F). This month is characterized by higher precipitation, totaling 191 mm (7.5 in) over 18 days, contributing to a notable humidity level of 85%. In contrast, January sees slightly cooler temperatures, with a minimum of 3°C (38°F) and an average of 10°C (50°F), peaking at 20°C (68°F). Precipitation decreases to 125 mm (4.9 in) across 14 days, while the humidity remains consistent at 85%. For more detailed insights into January's weather, you can check out Castro-Urdiales weather in January.
December and February offer distinct weather patterns, despite some similarities. In December, temperatures range from a minimum of 6°C (43°F) to a maximum of 19°C (66°F), with an average of 12°C (53°F). The month experiences significant precipitation, totaling 191 mm (7.5 in) over 18 days, contributing to a relatively high humidity level of 85%. In contrast, February sees slightly cooler temperatures, with a minimum of 2°C (36°F) and a maximum of 20°C (69°F), while the average remains quite similar at 11°C (53°F). Precipitation decreases to 106 mm (4.2 in) over 13 days, and humidity is slightly lower at 83%. For more details on February weather, you can visit Castro-Urdiales weather in February.
In December, temperatures range from a minimum of 6°C (43°F) to a maximum of 19°C (66°F), with an average of 12°C (53°F). The month brings substantial rainfall, accumulating 191 mm (7.5 in) over 18 days, and the humidity remains high at 85%. In contrast, March experiences slightly cooler minimum temperatures at 2°C (35°F) and higher maximum temperatures reaching 21°C (70°F), while still averaging 12°C (53°F). Precipitation decreases significantly to 93 mm (3.7 in) across 16 days, with a marginally lower humidity of 82%. These differences highlight the transition from the wet, cooler December to a drier, milder March. For more detailed information, you can check Castro-Urdiales weather in March.
In December, the weather is generally cooler with average temperatures ranging from 6°C (43°F) to 19°C (66°F), accompanied by significant precipitation of 191 mm (7.5 in) over 18 days, resulting in high humidity levels at 85%. In contrast, April offers a milder climate, with temperatures averaging between 5°C (41°F) and 22°C (72°F). Precipitation decreases notably to 79 mm (3.1 in) across 13 days, and humidity remains slightly lower at 81%. For more detailed information about the weather conditions in April, check out Castro-Urdiales weather in April.
In December, temperatures in Castro-Urdiales range from a minimum of 6°C (43°F) to a maximum of 19°C (66°F), with an average of 12°C (53°F). The month is quite rainy, receiving about 191 mm (7.5 in) of precipitation over 18 days, contributing to a high humidity level of 85%. In contrast, May offers milder and warmer conditions, featuring temperatures that vary from a minimum of 9°C (48°F) to a maximum of 25°C (78°F), with an average of 15°C (60°F). Precipitation in May is much lower, totaling 72 mm (2.8 in) over 15 days, and humidity drops slightly to 81%. For more details, check out Castro-Urdiales weather in May.
December and June present contrasting weather conditions in Castro-Urdiales. In December, temperatures range from a chilly 6°C (43°F) to a mild 19°C (66°F), with an average of 12°C (53°F). The month is characterized by frequent rainfall, accumulating to 191 mm (7.5 in) over 18 days, and a high humidity level of 85%. In contrast, June offers warmer temperatures, with lows of 12°C (54°F) and highs reaching 29°C (84°F), averaging 18°C (65°F). This month experiences considerably less rainfall, totaling only 81 mm (3.2 in) over 14 days, and a slightly lower humidity of 83%. For a closer look at the June climate, visit Castro-Urdiales weather in June.
In December, temperatures are notably cooler, with a minimum of 6°C (43°F) and an average of 12°C (53°F), while July enjoys a much warmer climate with a minimum of 15°C (59°F) and an average of 20°C (69°F). Precipitation in December is significantly higher, with 191 mm (7.5 in) falling over 18 days, compared to only 54 mm (2.1 in) over 10 days in July. Humidity levels are similar in both months, hovering around 85% in December and 87% in July, creating a distinctly different feel for each season. For a deeper look into July's climate, check out Castro-Urdiales weather in July.
December and August present markedly different weather patterns. In December, temperatures range from a minimum of 6°C (43°F) to a maximum of 19°C (66°F), with an average temperature of 12°C (53°F). The month sees considerable rainfall, totaling 191 mm (7.5 in) over 18 days, and a high humidity level of 85%. In contrast, August experiences a much warmer climate, with temperatures fluctuating between 15°C (60°F) and 32°C (89°F), averaging at 21°C (70°F). Precipitation during August is significantly lower, at 54 mm (2.1 in) over 11 days, and humidity stands at 82%. For more details on August weather trends, check out Castro-Urdiales weather in August.
The weather in December and September presents a stark contrast, particularly in terms of temperature and precipitation. December experiences cooler temperatures, with a minimum of 6°C (43°F) and an average of 12°C (53°F), compared to September's milder minimum of 13°C (56°F) and an average of 20°C (67°F). Furthermore, September boasts warmer maximum temperatures, reaching 29°C (84°F), while December peaks at a modest 19°C (66°F). Precipitation levels also differ significantly; December sees 191 mm (7.5 in) over 18 days, while September has just 80 mm (3.2 in) across 12 days, resulting in a drier feel to the latter month. The humidity is higher in December at 85%, versus September's 77%, contributing to a more comfortable atmosphere throughout the early autumn month. For more detailed insights, you can check Castro-Urdiales weather in September.
In December, temperatures are noticeably cooler, with minimums around 6°C (43°F) and a maximum of 19°C (66°F), compared to warmer October, which enjoys a minimum of 8°C (47°F) and can reach highs of 30°C (85°F). While December sees a significant increase in precipitation, averaging 191 mm (7.5 in) over 18 days, October is milder, with 117 mm (4.6 in) of rain across 13 days. Humidity levels also rise slightly in December to 85%, compared to 80% in October. For a more detailed look at October's weather, you can check Castro-Urdiales weather in October.
In comparing the weather of December and November, we can see some notable differences. December generally experiences slightly cooler temperatures, with a minimum of 6°C (43°F) and a maximum of 19°C (66°F), while November has a minimum of 7°C (45°F) and reaches up to 22°C (72°F). Both months see similar precipitation levels, with December recording 191 mm (7.5 in) and November at 189 mm (7.5 in), and both months feature 18 days of precipitation. However, December is characterized by a slightly higher humidity level at 85%, compared to November's 83%. For a more detailed look at November's weather, you can visit Castro-Urdiales weather in November.
As December unfolds in Castro-Urdiales, it heralds a notable shift in weather compared to the milder months preceding it. With average temperatures dropping and the chill setting in, residents can expect cooler days where the warmth of summer is but a distant memory. Rain becomes more frequent, draping the landscape in a lush blanket of 85% humidity, while the skies remain overcast for a good part of the month. The increased precipitation lends a refreshing vibrancy to the region, making this time of year distinct from the drier, sunnier spells of previous months. For those interested in a deeper dive into the local climate trends, visit Castro-Urdiales Climate.