Last updated: March 17, 2025
In December, Dundrum, Ireland experiences a cool maritime climate, highlighted by an average temperature of 6°C (44°F) and maximum highs reaching 13°C (56°F). As the month progresses, nighttime lows can dip to a brisk -2°C (28°F), making it essential to bundle up. Rain is a common companion, with approximately 94 mm (3.7 in) of precipitation spread over 15 days, resulting in a lush and often misty landscape. The humidity level hovers around 84%, enhancing the chilly ambiance and creating a distinctly cozy atmosphere perfect for enjoying local festivities during the holiday season.
In Dundrum, Ireland, December marks the beginning of winter, showcasing a distinct drop in temperatures as the year comes to a close. With a minimum of -2°C (28°F) and an average of 6°C (44°F), the month is noticeably cooler than its autumn predecessor, November, which has milder averages around 8°C (46°F). While temperatures reach a maximum of 13°C (56°F), the chill in the air hints at the frosty conditions typical of this season. Compared to the warmer months, December's climate offers a serene, crisp atmosphere, perfect for cozy gatherings and festive celebrations. As the days grow shorter, the inviting chill encourages residents and visitors alike to embrace the magic of winter in this charming Irish locale.
December in Dundrum, Ireland, wraps up the year with a notable average precipitation of 94 mm (3.7 in), maintaining a robust level typical of the late autumn and early winter months. Interestingly, December features 15 days of rainfall, indicating that while the weather may be dreary, it isn't the most prolific month; November steals that title with 97 mm of rain over the same number of days. This trend reflects a gradual increase in precipitation from the drier spring months, peaking in late autumn and then maintaining high levels as winter descends. As the year transitions into the festive season, Dundrum experiences consistently wet conditions, making it essential for locals and visitors alike to prepare for the charming yet soggy landscape.
In Dundrum, Ireland, December brings a slight dip in humidity levels, averaging at 84%, which is a tad lower than the preceding months but remains consistent with the generally high humidity throughout the year. Notably, this month follows a trend of elevated humidity, peaking at 87% in October and holding steady at 86% for November. The winter chill begins to set in, yet the air retains a moist character typical of Ireland's maritime climate. As the year wraps up, December serves as a gentle reminder of the region's persistent humidity, echoing the wetter months behind it while hinting at the crispness of winter ahead.
As the year winds down, the UV Index in Dundrum, Ireland, sees a gentle decline entering December with a value of 1, indicating a low exposure category. This trend continues from November, where the index also registered a low of 2, suggesting that the winter months offer fewer risks for sunburn. Notably, as spring gives way to summer, we observe a sharp increase, peaking in June and July at 8—classified as very high—prior to a gradual decrease in the fall. Overall, December is characterized by a comfortable burn time of 45 minutes, making it a great time for outdoor activities while still being mindful of UV exposure. For more detailed information, visit Dundrum UV Index.
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In Dundrum, Ireland, December offers a gentle transition into winter, showcasing 95 hours of sunshine. While this marks one of the lower totals for the year, it aligns with the overall trend of decreasing daylight as the months grow colder. The sunshine hours have a distinct seasonal rhythm, peaking in May with 391 hours, while the late months of the year—November and December—reflect a significant drop, emphasizing nature's retreat into the cozy embrace of winter. From the vibrant brightness of spring to the soft glow of early winter, Dundrum's sunlight patterns beautifully capture the ebb and flow of the seasons, inviting inhabitants to appreciate every rare sunny moment before the long nights set in.
In Dundrum, Ireland, the likelihood of sunny weather in December stands at around 23%, mirroring the relatively modest chances seen in earlier months like January and August. These figures highlight a consistent pattern of limited sunshine during the winter months, with April boasting the highest chance of sun at 44%, creating a clear contrast to the gloomier late-year weather. Interestingly, November shows a slight uptick to 26%, suggesting that while December retains a similar probability of sunshine, the transition to winter leaves the area shrouded in more cloud cover. As the year closes, Dundrum's residents and visitors can expect the same cool, overcast skies that have characterized much of the fall, punctuated only occasionally by rare days of brightness.
As December descends upon Dundrum, the days are at their shortest, with just 7 hours of daylight illuminating the winter landscape. This gradual decrease in sunlight has been a fascinating journey through the year, beginning with a modest 8 hours in January, gradually increasing to a vibrant 16 hours by the peak of summer in June and July. As autumn unfolds, daylight begins to wane, dropping to 14 hours in August and further to 12 in September, reflecting nature's cyclical rhythm. By the time December arrives, the early sunset and lingering twilight remind us of the cozy beauty of winter, while also hinting at the promise of longer days ahead as we transition back towards spring.
As December arrives in Dundrum, the wind begins to pick up slightly, averaging 4.9 m/s (11 mph)—a notable increase from the calmer summer months. This trend reflects a gradual return to breezier conditions after the gentle whispers of July, when the wind speed dipped to 2.7 m/s (6 mph), the lowest of the year. As the seasons shift, the months of October and November also present a consistent wind speed around 4.8 to 4.9 m/s, creating a sense of continuity as winter approaches. Although December's winds are not the strongest, they bring a crispness to the air, reminding us that the weather is about to transform with the onset of winter's chill, urging both locals and visitors to bundle up against the invigorating gusts.
The weather in Dundrum 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 Dundrum and find detailed weather information for every month.
December and January exhibit similar temperature ranges, with January typically being slightly colder, showcasing a minimum of -3°C (26°F) compared to December's -2°C (28°F). Both months experience the same maximum temperature of 13°C (56°F), but January has a lower average temperature of 5°C (42°F) versus December's 6°C (44°F). In terms of precipitation, December is notably wetter, receiving 94 mm (3.7 in) over 15 days, while January sees just 57 mm (2.2 in) across 10 days. Humidity levels remain comparable, with January at 85% and December slightly lower at 84%. For a more detailed outlook, you can check the Dundrum weather in January.
In December, temperatures typically range from a chilly -2°C (28°F) at night to a mild 13°C (56°F) during the day, with an average temperature of around 6°C (44°F). The month experiences significant precipitation, totaling 94 mm (3.7 in) over approximately 15 days, contributing to an average humidity level of 84%. In contrast, February shows a slightly warmer trend, with minimum temperatures still at -2°C (29°F) and maximums reaching up to 14°C (58°F), resulting in an average temperature of 6°C (43°F). Precipitation is less in February, with 80 mm (3.1 in) falling over 14 days and humidity levels increasing slightly to 86%. For more detailed weather information, you can check Dundrum weather in February.
In December, temperatures range from a chilly -2°C (28°F) to a mild 13°C (56°F), with an average of 6°C (44°F). The month experiences considerable precipitation, totaling 94 mm (3.7 in) over approximately 15 days, alongside a high humidity level of 84%. In contrast, March brings slightly colder nights with minimum temperatures dropping to -5°C (24°F) and maximums reaching 16°C (61°F), maintaining an average of 7°C (44°F). Precipitation in March is slightly less at 81 mm (3.2 in), also occurring over about 15 days, while humidity remains high at 86%. For more detailed information about March weather specifics, you can visit Dundrum weather in March.
December and April present contrasting weather patterns, with December typically being colder and wetter. In December, temperatures range from a minimum of -2°C (28°F) to a maximum of 13°C (56°F), accompanied by significant rainfall totaling 94 mm (3.7 in) over about 15 days, along with high humidity at 84%. In comparison, April experiences slightly milder temperatures, with a minimum of -2°C (29°F) and a maximum of 19°C (66°F). The precipitation in April is less intense, measuring 52 mm (2.0 in) over about 11 days, and humidity remains comparable at 85%. For more details about weather specifics this season, check out Dundrum weather in April.
December and May present notably different weather conditions. In December, temperatures range from a chilly -2°C (28°F) at night to a mild 13°C (56°F) during the day, with an average of 6°C (44°F). The month sees a considerable amount of precipitation, totaling 94 mm (3.7 in) over 15 days, along with high humidity at 84%. In contrast, May brings more pleasant weather, with temperatures ranging from a cool 0°C (32°F) at night to a warm 21°C (71°F) in the daytime, averaging 11°C (52°F). Precipitation decreases to 72 mm (2.8 in) across 14 days, while humidity remains relatively similar at 83%. For more details, you can check out Dundrum weather in May.
December and June offer contrasting weather experiences, with December characterized by cooler temperatures and higher humidity levels. In December, the minimum temperature can drop to -2°C (28°F), while the average sits at 6°C (44°F), peaking at a maximum of 13°C (56°F). This month also sees significant precipitation, averaging 94 mm (3.7 in) over approximately 15 days. In contrast, June experiences milder temperatures, starting at a minimum of 6°C (42°F), averaging 14°C (57°F), and reaching up to 24°C (75°F). Although June has slightly less precipitation at 75 mm (3.0 in), it retains a similar number of rainy days. For a detailed look at how Dundrum's weather unfolds in June, check out Dundrum weather in June.
In December, temperatures in Dundrum experience a notable chill, with a minimum of -2°C (28°F) and an average of 6°C (44°F), peaking at 13°C (56°F). This month is characterized by higher precipitation, averaging 94 mm (3.7 in) over approximately 15 days, accompanied by a humidity level of 84%. In contrast, July brings much warmer weather, with temperatures ranging from a minimum of 8°C (46°F) to an average of 16°C (60°F), and a maximum of 25°C (77°F). Although July has slightly less precipitation at 80 mm (3.2 in) over 14 days, the humidity remains relatively high at 86%. For more detailed information on the July weather, you can visit Dundrum weather in July.
December and August exhibit contrasting weather patterns, with December experiencing colder temperatures that range from a minimum of -2°C (28°F) to a maximum of 13°C (56°F). In contrast, August offers a much milder climate, with temperatures spanning from 7°C (45°F) to 23°C (73°F). While both months receive similar amounts of precipitation—94 mm (3.7 in) in December and 95 mm (3.8 in) in August—the number of rainy days is slightly higher in August, with rainfall occurring on 16 days compared to 15 days in December. Humidity levels are comparable, with December at 84% and August at 85%. For more insights into August weather, you can check Dundrum weather in August.
When comparing the weather in December and September, it’s clear that December is notably colder, with average temperatures ranging from a minimum of -2°C (28°F) to a maximum of 13°C (56°F). In contrast, September enjoys a milder climate, with average temperatures between 3°C (38°F) and 22°C (72°F). Additionally, December experiences more precipitation, totaling 94 mm (3.7 in) over about 15 days, compared to September's 73 mm (2.9 in) across 14 days. Humidity levels are relatively high in both months, hovering around 84% in December and slightly higher at 86% in September. For a closer look at the September weather specifics, you can visit Dundrum weather in September.
In comparing the weather between December and October, December tends to be colder with an average temperature of 6°C (44°F), while October offers milder conditions with an average of 11°C (51°F). The maximum temperature in December reaches 13°C (56°F), which is lower than October's peak of 18°C (65°F). Both months experience significant precipitation, with December recording 94 mm (3.7 in) over 15 days and October slightly less at 87 mm (3.4 in) over 14 days. Additionally, December's humidity is slightly lower at 84%, compared to October's 87%. For a more detailed look at October's weather conditions, you can visit Dundrum weather in October.
December weather in Dundrum brings colder temperatures compared to November, with minimums dropping to -2°C (28°F) and average highs reaching only 13°C (56°F). In contrast, November tends to be milder with temperatures ranging from a minimum of 0°C (32°F) to maximums of 15°C (59°F). Both months experience similar levels of precipitation, with December totaling 94 mm (3.7 in) over 15 days and November slightly higher at 97 mm (3.8 in) over 14 days. Humidity levels also remain high, at 84% in December and 86% in November, contributing to a damp and chilly atmosphere. For more specific information about November weather patterns, you can explore Dundrum weather in November.
As December unfolds in Dundrum, the weather takes a distinctly chillier turn, making it a month that contrasts sharply with the milder conditions of preceding months. With average temperatures hovering around 6°C, the festive season may prompt cozy gatherings indoors while occasional frosty nights dip towards -2°C. Precipitation becomes more frequent, with over half the month experiencing rainfall, pushing overall humidity levels to a notable 84%. This shift creates a unique atmosphere, perfect for enjoying seasonal festivities and the charm of winter. For those interested in the broader weather patterns, you can explore more at Dundrum Climate.