Last updated: March 17, 2025
In December, Castletownbere, Ireland experiences a blend of mild and often wet weather. With average temperatures hovering around 8°C (47°F), daily highs can reach a maximum of 13°C (56°F), while nighttime lows dip to a chilly 1°C (33°F). This month is characterized by significant precipitation, totaling 201 mm (7.9 in) over approximately 21 days, creating a lush and vibrant landscape. The humidity levels remain high at 79%, adding to the crisp, refreshing air. Visitors to this picturesque coastal town should come prepared for both rain and the cozy charm of an Irish winter.
In Castletownbere, Ireland, December brings in the winter chill, with temperatures generally ranging from a minimum of 1°C (33°F) to a maximum of 13°C (56°F). As the month progresses, the average temperature settles around 8°C (47°F), subtly signaling the winter season's arrival. This is consistent with the cooler trend observed in previous months, particularly as November also recorded similar averages. Compared to the milder summer months, where temperatures soared to 26°C (79°F), December's brisk air and occasional frost make it a stark contrast, enveloping the town in a cozy, wintry charm. With the temperatures gradually dipping from the autumnal warmth, December in Castletownbere evokes a striking season of change, inviting locals and visitors alike to embrace the festive spirit amidst the brisk coastal air.
In December, Castletownbere experiences a notable spike in precipitation, with 201 mm (7.9 in) of rain falling over 21 days—making it one of the wettest months of the year. This increase continues the trend observed in the preceding months, as both November and October also recorded significant rainfall, at 156 mm and 187 mm respectively. The combination of shorter days and persistent rainfall in December creates a distinctly wetter atmosphere, setting the stage for the winter season. As the countryside is frequently enveloped in mist and drizzle, the beauty of the surrounding landscapes is transformed, showcasing Ireland's lush greenery that thrives even in the coldest months.
In December, Castletownbere experiences a humidity level of 79%, marking a slight dip from the higher averages observed in the preceding months. This month typically concludes a year characterized by elevated humidity, peaking in the summer when levels reach 87% in July. As the seasons transition, humidity gradually decreases from its late spring and summer heights, reflecting a comforting drop as winter sets in. December's level aligns closely with the trend observed in January, suggesting a winter pattern where the air feels crisp yet maintains a moderate level of moisture, contributing to the town's scenic, lush landscapes during this tranquil season.
As we explore the UV Index throughout the year in Castletownbere, Ireland, December stands out with a low UV Index of 1, signaling minimal risk for UV exposure. This pattern aligns with the trend observed from late autumn to winter, as sunlight becomes less intense. Following November’s Index of 2, December maintains a safe burn time of 45 minutes, ideal for outdoor activities without the worry of sunburn. Overall, the winter months enjoy lower UV levels, contrasting sharply with the heights of summer—from June to August—where the Index peaks at 8, demanding more caution under the sun. For more insights on the UV Index in Castletownbere, visit Castletownbere UV Index.
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In Castletownbere, Ireland, the rhythm of sunshine unfolds beautifully throughout the year, with December marking a subtle transition as daylight diminishes to just 95 hours. Following a crescendo of sunlight in the vibrant months of May and June, which bask in nearly 400 hours of radiant glow, the winter months gently taper off, revealing the stark contrast of earlier brightness. As October closes with 225 hours, the shift to greyer skies in November and December becomes palpable, yet the last month of the year still holds its charm, offering a glimmer of sunshine that serves as a reminder of the warm days that lie ahead. This seasonal ebb and flow not only paints the skies but also invites a contemplative ambiance that characterizes the beauty of winter in this quaint Irish coastal town.
In December, Castletownbere experiences a notable dip in sunny weather, with the likelihood of sun dropping to a mere 18%. This trend aligns with the colder months following a steady decline from the autumn season; despite November showing a slightly brighter chance at 26%, December marks the official onset of winter gloom. While spring months like April bring a much more promising 44% chance of sunlight, the festive season in December tends to see clouds dominate the skies. As daylight dwindles, residents and visitors alike may need to embrace the cozy charm of Ireland’s winter rather than count on sunny days.
In Castletownbere, Ireland, daylight duration follows a distinct seasonal rhythm, peaking in the vibrant summer months of June and July with an impressive 16 hours of sunlight. As the year progresses, this generous daylight gradually diminishes, with the transition into autumn marked by a drop to 12 hours in September and a further decrease to 8 hours by November. By December, the days are at their shortest, offering just 7 hours of daylight, a stark contrast to the long summer days. This cyclical pattern not only highlights the beauty of the changing seasons but also influences the local lifestyle, activities, and the natural landscape that surrounds this picturesque coastal town.
As winter unfolds in Castletownbere, Ireland, December brings a notable uptick in wind speed, averaging 6.5 m/s (15 mph). This chilling breeze marks a shift from the relatively calm summer months, where July recorded just 3.8 m/s (9 mph). Following the autumn months where winds remained moderate, December’s gusts offer a brisk reminder of the season's arrival, surpassing November's winds of 4.8 m/s (11 mph). With a steady increase in wind speed from February's peak of 7.4 m/s (17 mph), December sets a captivating stage, hinting at the tempestuous weather that often characterizes the winter months. The fluctuating patterns throughout the year not only influence local activities but also provide a unique charm to the windswept landscape of this picturesque town.
The weather in Castletownbere 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 Castletownbere and find detailed weather information for every month.
December and January in Castletownbere exhibit notable differences in weather patterns. In December, temperatures range from a minimum of 1°C (33°F) to a maximum of 13°C (56°F), with an average temperature of 8°C (47°F). The month sees significant precipitation, totaling 201 mm (7.9 in) over 21 days, contributing to a high humidity level of 79%. In contrast, January experiences slightly cooler temperatures, with a minimum of -2°C (28°F) and a maximum of 14°C (57°F), averaging around 7°C (45°F). Precipitation in January is reduced to 117 mm (4.6 in) over 15 days, while humidity remains consistent at 79%. For more details, visit Castletownbere weather in January.
In December, temperatures in Castletownbere range from a minimum of 1°C (33°F) to a maximum of 13°C (56°F), with an average of 8°C (47°F). The month is characterized by significant precipitation, averaging 201 mm (7.9 in) over 21 days, and a humidity level of 79%.
In contrast, February shows slightly cooler conditions, with a minimum temperature of -1°C (30°F) and maintaining an average of 8°C (46°F), reaching up to 13°C (55°F) at its highest. Precipitation is marginally lower at 187 mm (7.4 in) over 20 days, while humidity rises slightly to 82%.
For more specific details about February weather, check out Castletownbere weather in February.
In December, the weather in Castletownbere is relatively mild, with average temperatures ranging from a minimum of 1°C (33°F) to a maximum of 13°C (56°F). This month also sees high precipitation levels of 201 mm (7.9 in) over 21 days, contributing to a humid atmosphere with an average humidity of 79%. In contrast, March experiences slightly cooler temperatures, with a minimum of -5°C (24°F) and a maximum of 16°C (61°F), but it offers a marginally lower average precipitation of 140 mm (5.5 in) across 19 days. The humidity remains comparable at 81%. For those interested in a deeper look at March's conditions, more details can be found in this link: Castletownbere weather in March.
In comparing the weather of December and April, December is characterized by cooler temperatures, with a minimum of 1°C (33°F) and an average around 8°C (47°F), while April sees a slight increase, with an average of 9°C (49°F) and a maximum reaching 16°C (62°F). Precipitation is notably higher in December, accumulating to 201 mm (7.9 in) over 21 days, compared to April's 83 mm (3.3 in) across just 12 days. Both months experience high humidity levels, but December's 79% is marginally lower than April's 82%. For a detailed look at the April weather specifics, you can check Castletownbere weather in April.
When comparing the weather in December and May, we can see significant differences in temperature, precipitation, and humidity. December tends to be colder, with average temperatures ranging from a chilly 1°C (33°F) to a maximum of 13°C (56°F). It experiences higher precipitation levels at 201 mm (7.9 in) over 21 days, resulting in a humidity level of 79%. In contrast, May offers a milder climate, with temperatures averaging between 3°C (38°F) and 20°C (69°F). Precipitation is notably lower at 93 mm (3.7 in) across 15 days, although humidity is slightly higher at 86%. For more details on the pleasant weather conditions in May, you can check Castletownbere weather in May.
When comparing the weather in December and June, the differences are quite pronounced. December features cooler temperatures with a low of 1°C (33°F) and an average of 8°C (47°F), while June enjoys milder conditions, starting with a minimum of 7°C (45°F) and an average of 14°C (57°F). Precipitation is another notable contrast: December sees 201 mm (7.9 in) over 21 days, making it significantly wetter than June, which has only 88 mm (3.5 in) across 17 days. Additionally, humidity levels are higher in June at 86%, compared to December’s 79%. For more details, check out Castletownbere weather in June.
December and July present striking contrasts in weather conditions. In December, temperatures are generally cooler, with a minimum of 1°C (33°F) and an average of 8°C (47°F), peaking at 13°C (56°F). This month also experiences significant precipitation, totaling 201 mm (7.9 in) over 21 days, alongside a humidity level of 79%. In contrast, July boasts milder temperatures, with a minimum of 9°C (49°F), an average of 15°C (60°F), and a maximum that can reach up to 26°C (79°F). The precipitation in July is considerably less, at 88 mm (3.4 in) over just 15 days, and humidity is slightly higher at 87%. For more details on July’s climate, you can check out Castletownbere weather in July.
December and August present contrasting weather patterns. In December, temperatures range from a chilly 1°C (33°F) to a mild 13°C (56°F), with an average of 8°C (47°F). The month is quite wet, receiving 201 mm (7.9 in) of precipitation over 21 days and a humidity level of 79%. In stark contrast, August boasts warmer temperatures with a minimum of 9°C (48°F) and a comfortable maximum of 21°C (70°F), averaging around 15°C (59°F). Though it still experiences rain, August sees less precipitation at 139 mm (5.5 in) over the same number of rainy days, accompanied by higher humidity at 86%. For more details, you can check Castletownbere weather in August.
When comparing the weather in December and September, it's evident that September is generally milder and drier. During September, the average temperature reaches around 14°C (57°F) with highs of 25°C (77°F), while December sees lower temperatures, averaging 8°C (47°F) and peaking at 13°C (56°F). Additionally, September receives less precipitation, totaling 121 mm (4.8 in) over 18 days, compared to December's 201 mm (7.9 in) over 21 days. The humidity levels are relatively similar, with September at 84% and December at 79%. For more detailed information, you can check Castletownbere weather in September.
December weather is generally cooler than October, with average temperatures ranging from a minimum of 1°C (33°F) to a maximum of 13°C (56°F), compared to October's milder range of 3°C (37°F) to 17°C (62°F). Additionally, December experiences slightly more precipitation, totaling 201 mm (7.9 in) over 21 days, while October has 187 mm (7.4 in) spread over 19 days. Humidity levels are fairly consistent, with December at 79% and October slightly higher at 82%. For more detailed information on October weather, please visit Castletownbere weather in October.
In comparing the weather between November and December, December exhibits slightly cooler temperatures, with average lows at 1°C (33°F) and highs reaching 13°C (56°F). By contrast, November sees a marginally warmer average, with temperatures ranging from a minimum of 1°C (35°F) to a maximum of 14°C (58°F). Precipitation increases in December, totaling 201 mm (7.9 in) over 21 days, compared to 156 mm (6.1 in) over 18 days in November. Additionally, while humidity levels remain quite similar, December holds at 79% compared to November's 80%. For a more detailed look at November's weather specifics, check out Castletownbere weather in November.
December in Castletownbere stands out from other months with its cool temperatures and high humidity, creating a distinctly brisk atmosphere. As the year draws to a close, residents experience a significant number of rainy days, contributing to the month’s wet reputation. The average temperature hovers around a refreshing 8°C, while the colder evenings can dip to just 1°C, prompting locals to embrace cozy indoor activities. This blend of moist conditions and chillier air sets December apart, making it a unique time to experience the coastal charm of this picturesque town. For more detailed insights about the weather patterns throughout the year, visit Castletownbere Climate.