Last updated: March 17, 2025
Dundalk, Ireland, in December offers a chilly and damp climate, with temperatures ranging from a maximum of 13°C (56°F) to a minimum of -3°C (27°F). The average temperature settles at around 6°C (43°F), making warm layers essential for outdoor activities. With 89 mm (3.5 in) of precipitation over 13 days, expect frequent rain showers that contribute to the region's lush greenery. The air carries a notable humidity of 84%, enhancing the wintry atmosphere typical of this coastal town. Whether enjoying festive events or exploring local sights, visitors should prepare for a mix of wet and cool conditions.
In December, Dundalk, Ireland experiences a notable shift as winter fully sets in, with temperatures dipping to a minimum of -3°C (27°F). The average temperature hovers around 6°C (43°F), offering a chilly yet somewhat standard feel for the season. Daytime highs can reach a comfortable 13°C (56°F), reminiscent of a milder Irish winter. Compared to November, there’s a slight decrease in warmth, aligning with the general trend of falling temperatures as the year draws to a close. Despite the cold, December also brings a unique charm to Dundalk, with the crisp air and festive atmosphere creating a delightful backdrop for local holiday celebrations.
December in Dundalk, Ireland, wraps up the year with a notable increase in precipitation, averaging 89 mm (3.5 in) over 13 days. This marks a slight rise from the previous month of November, which recorded 84 mm (3.3 in), continuing the trend of wetter winters. The consistent dampness suggests that as the year closes, Dundalk experiences a significant shift, with December not only contributing a substantial amount of rainfall but also maintaining a regular distribution of rainy days. The month’s precipitation aligns with the broader pattern observed in late autumn, as the region prepares for its lush green landscape in the coming spring months.
In December, Dundalk, Ireland, experiences an average humidity of 84%, slightly lower than the months preceding it. Throughout the year, humidity levels remain high, with a notable peak in October at 87%, creating a distinctly damp atmosphere. The winter months, particularly from November to January, consistently hover in the mid-80s, showcasing a trend of stable humidity that characterizes Dundalk's climate. This consistency throughout the year suggests that while December may provide a slight reprieve from the highest levels, the air remains undeniably moist, a hallmark of Ireland's enchanting weather.
In Dundalk, Ireland, the UV Index takes a notable dip in December, registering at a low of 1, much like the preceding months of January and February. This seasonal trend reflects a gradual decline in UV radiation during the winter months, making sun exposure less of a concern with a comfortable burn time of 45 minutes. As the year progresses, the UV Index peaks in the summer, reaching 8 in June and July during instances of very high exposure. Conversely, the end of the year is characterized by a return to low levels, offering a natural reprieve from potential sunburn as shorter days and cooler temperatures settle in. For more insights on UV radiation throughout the year, check out Dundalk UV Index.
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December in Dundalk, Ireland, greets the winter season with a modest 86 hours of sunshine, a stark contrast to the sun-drenched days of late spring and summer. As the year progresses, sunshine hours see a remarkable peak in May with 383 hours, gradually tapering off into the deeper winter months. The pattern clearly illustrates a seasonal decline; from the springtime bloom of 303 hours in April, the sunshine ebbs, bringing shorter days and cloudier skies. Despite the chilly temperatures, December's light is a gentle reminder of the vibrant summer days behind us, as each hour of sunlight becomes a treasured gem in the heart of winter.
In Dundalk, Ireland, the likelihood of sunny weather shows a clear downward trend as the year progresses into December, where the chance drops to a mere 16%. Following a peak in April at 39%, the sunshine probabilities steadily decline, emphasizing the transition into the winter months. May and January offer slightly better odds at 33% and 29%, respectively, but December's dwindling likelihood underscores the typical Irish winter—a time characterized more by clouds and rain than by rays of sun. Despite the low expectations for sunshine, the charm of Dundalk's winter landscape can still be appreciated, creating a cozy atmosphere perfect for enjoying the season.
In Dundalk, Ireland, December marks a significant dip in daylight duration, offering only 7 hours of sunlight each day. This decrease continues a trend of diminishing daylight that begins in late autumn and culminates in the winter months. The pattern reveals a gradual transition from the brightness of summer, where daylight peaks at 17 hours in June, to the darker days of winter. As each month progresses from November's 8 hours to December's crisp 7 hours, the shortening days remind us of the seasonal rhythms. However, just beyond December, the promise of longer days awaits, reigniting the cycle of light as January approaches.
In Dundalk, Ireland, the December wind carries forward a trend of brisk breezes, with an average speed of 4.4 m/s (10 mph), matching that of the preceding months of November and October. It’s notable that wind speeds tend to peak during the late autumn and early winter months, reflecting a seasonal shift that transitions from the gentle airflow of summer. As the year draws to a close, the consistent winds of December create an invigorating atmosphere, making it a perfect time for both locals and visitors to embrace the beauty of Dundalk's coastal landscapes, enriched by the fresh, crisp air.
The weather in Dundalk 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 Dundalk and find detailed weather information for every month.
December and January both exhibit chilly weather, but there are notable differences between the two months. December typically has a milder average temperature of 6°C (43°F), with a minimum of -3°C (27°F) and a maximum of 13°C (56°F). In contrast, January sees a slight drop in average temperature to 5°C (42°F), with lows reaching -5°C (23°F) and highs of 14°C (57°F). Precipitation is also reduced in January, with 54 mm (2.1 in) occurring over 10 days compared to December's 89 mm (3.5 in) over 13 days. Humidity remains high in both months, at 84% for December and 85% for January, contributing to the damp, cold conditions. For more detailed weather information, you can refer to Dundalk weather in January.
In December, temperatures range from a minimum of -3°C (27°F) to a maximum of 13°C (56°F), with an average temperature of 6°C (43°F). The month sees around 89 mm (3.5 in) of precipitation over approximately 13 days, accompanied by a humidity level of 84%.
In contrast, February experiences slightly cooler conditions, with minimum temperatures dipping to -4°C (25°F) and a maximum of 14°C (58°F), while maintaining the same average of 6°C (43°F). Precipitation in February is slightly less, at 85 mm (3.4 in) over about 15 days, and humidity rises a bit to 86%.
For more detailed insights into February weather, you can visit Dundalk weather in February.
December and March exhibit notable differences in weather despite both being part of the colder months. December features a slightly milder average temperature of 6°C (43°F), with maximum highs reaching 13°C (56°F), while March has an average temperature of 7°C (44°F) and can peak at 16°C (61°F). Precipitation is relatively similar, with December receiving 89 mm over 13 days and March totaling 80 mm over a greater number of days, 16. Humidity levels are also comparable, hovering around 84% in December and slightly higher at 86% in March. For more detailed insights, you can check Dundalk weather in March.
December and April present contrasting weather conditions. In December, temperatures range from a chilly -3°C (27°F) to a maximum of 13°C (56°F), with an average of 6°C (43°F). The month is characterized by higher precipitation, totaling 89 mm (3.5 in) over about 13 days, and a humidity level of 84%. In contrast, April sees slightly milder temperatures, with a minimum of -2°C (28°F) and a maximum reaching 20°C (68°F), and an average of 8°C (47°F). Precipitation decreases significantly to 45 mm (1.8 in) across 11 days, while humidity remains relatively stable at 85%. For a closer look at the weather specifics in April, you can visit Dundalk weather in April.
December and May offer quite contrasting weather patterns. In December, temperatures range from a chilly -3°C (27°F) at the minimum to a mild 13°C (56°F) at the maximum, with an average of 6°C (43°F). This month experiences significant precipitation, totaling 89 mm (3.5 in) over 13 days, contributing to a high humidity level of 84%. In contrast, May brings warmer temperatures, with a minimum of -1°C (30°F) and a maximum of 23°C (73°F), averaging 11°C (53°F). The precipitation in May is lighter at 66 mm (2.6 in) across 12 days, while humidity remains relatively stable at 83%. For a closer look at weather specifics in May, you can check Dundalk weather in May.
December and June offer contrasting weather conditions in terms of temperature and precipitation. In December, temperatures range from a chilly -3°C (27°F) at night to a mild 13°C (56°F) during the day, with an average of 6°C (43°F). The month sees about 89 mm (3.5 in) of rainfall over approximately 13 days and maintains a high humidity level of 84%. In stark contrast, June experiences a more temperate climate, with temperatures ranging from 4°C (40°F) at night to a warm 28°C (82°F) during the day, yielding an average of 14°C (58°F). June has a slightly lower total precipitation of 76 mm (3.0 in) over 14 days, coupled with a consistent humidity level of 85%. For those interested in specific weather patterns, you can find more details at Dundalk weather in June.
In December, the weather is notably colder with temperatures ranging from a frigid -3°C (27°F) at night to a mild 13°C (56°F) during the day, accompanied by higher precipitation levels of 89 mm (3.5 in) over 13 days. The humidity is also high at 84%, contributing to a damp and chilly atmosphere. In contrast, July boasts significantly warmer temperatures, with a minimum of 7°C (45°F) and a maximum reaching 28°C (82°F), resulting in a comfortable average of 16°C (61°F). While July experiences lower precipitation at 74 mm (2.9 in) also over 13 days, the slightly elevated humidity of 86% can make the warmth feel more intense. For a detailed look at July weather, visit Dundalk weather in July.
When comparing the weather in December and August, one can observe notable differences in temperature and precipitation patterns. December experiences lower temperatures, ranging from a chilly -3°C (27°F) to a mild 13°C (56°F), while August sees a more comfortable range of 7°C (44°F) to 23°C (74°F). Despite December receiving less precipitation at 89 mm (3.5 in) over 13 days, the humidity remains high at 84%. In contrast, August, while slightly wetter with 114 mm (4.5 in) over 18 days, has a comparable humidity level of 85%. For more detailed information, you can check Dundalk weather in August.
December weather contrasts significantly with that of September. While December experiences colder temperatures with a minimum of -3°C (27°F) and an average of 6°C (43°F), September enjoys milder conditions, boasting a minimum of 3°C (37°F) and an average of 13°C (56°F). Precipitation is slightly higher in December at 89 mm (3.5 in) compared to September’s 74 mm (2.9 in), although both months share the same number of rainy days, with precipitation occurring on approximately 13 days. Humidity levels also remain relatively high, with December at 84% and September at 86%. For more specific insights into September weather, you can check Dundalk weather in September.
In comparing the weather of December and October, we observe notable differences in temperature and precipitation. December tends to be colder, with average temperatures ranging from a minimum of -3°C (27°F) to a maximum of 13°C (56°F), compared to October's milder temperatures, which range from a minimum of 0°C (32°F) to a maximum of 19°C (66°F). Precipitation levels are slightly higher in December at 89 mm (3.5 in) over 13 days, while October sees 80 mm (3.1 in) across 14 days. Additionally, humidity is slightly lower in December at 84%, compared to October's 87%. For more detailed insights into October's weather, you can check Dundalk weather in October.
In comparing the weather of December and November, there are several notable differences. December tends to be slightly cooler, with an average temperature of 6°C (43°F), compared to November's average of 8°C (46°F). Both months experience similar minimum temperatures of -3°C (27°F), but December has a lower maximum temperature of 13°C (56°F) versus November's 15°C (59°F). Precipitation levels are comparable, with December receiving 89 mm (3.5 in) over 13 days and November slightly less at 84 mm (3.3 in) over 15 days. Humidity remains high in both months, with December at 84% and November at 86%. For a more detailed look at November weather, you can visit Dundalk weather in November.
As December arrives in Dundalk, the weather noticeably shifts, ushering in a chill that sets it apart from the milder months. The average temperature hovers around 6°C (43°F), presenting a stark contrast to the warm tones of autumn. With the potential for maximum highs of 13°C (56°F) and the occasional plunge to -3°C (27°F), residents and visitors alike must prepare for the cold. Rainfall becomes more frequent, with about 13 days of precipitation contributing to an overall wet atmosphere, while the humidity level reaches a notable 84%. This unique blend of cold and moisture wraps Dundalk in a wintery embrace, making the month a defining part of the region's character. For a more detailed understanding of how Dundalk's weather trends, visit Dundalk Climate.