Last updated: March 17, 2025
December in Dalkey, Ireland is characterized by cool temperatures and a significant amount of rainfall. With maximum temperatures reaching 13°C (56°F) and an average of 8°C (46°F), the chill can be felt, especially at night when temperatures can dip to a brisk 2°C (35°F). This month sees about 110 mm (4.3 in) of precipitation spread over 16 rainy days, contributing to the region's lush landscapes. Coupled with a high humidity level of 84%, residents and visitors alike should prepare for a damp and chilly season, making cozy indoor activities all the more inviting.
In Dalkey, Ireland, December marks a subtle transition as temperatures begin to cool, with lows of around 2°C (35°F) and an average temperature hovering at 8°C (46°F). This slight dip in warmth aligns with the trend from previous months, where November had an average of 9°C (49°F). While the chill is more pronounced, daily highs still reach a comfortable 13°C (56°F), making it a relatively mild winter month compared to the colder lull of January that follows. As December settles in, it embraces the crispness of winter, encouraging residents and visitors alike to indulge in cozy holiday festivities amidst the charming backdrop of Dalkey's scenic coastal beauty.
December in Dalkey, Ireland, embraces the winter season with a significant precipitation total of 110 mm (4.3 in), marking it as one of the wetter months of the year. This figure closely follows November's high of 127 mm (5.0 in), underscoring a trend of increased rainfall as the year approaches its end. With 16 days of precipitation, December showcases a consistent pattern of damp and chilly weather that characterizes the transition into winter. Comparatively, the month stands out against the drier spring months, where totals drop significantly, such as April's 48 mm (1.9 in). This trend highlights Dalkey's climate, where winter months often bring increased precipitation, influencing both the landscape and local activities.
In December, Dalkey, Ireland experiences a slight dip in humidity, averaging 84%, which is a bit lower than the preceding months. This seasonal shift brings a crispness to the air as the year comes to a close. Throughout the year, humidity levels in Dalkey remain consistently high, fluctuating between 83% and 87%. The months of October and November saw the highest humidity, peaking at 87%, which suggests the onset of winter is often marked by moist air. Interestingly, December's humidity decrease signals a transition as the region prepares for colder, drier winter conditions, making it a unique time to enjoy the coastal charm of this quaint Irish town.
In December, Dalkey, Ireland, experiences a return to a low UV Index of 1, signifying minimal sun exposure risk and a burn time of about 45 minutes. This marks the end of the year’s UV journey, which began with equally gentle indices in January and November. As the months progressed, a noticeable uptick in UV levels was observed from March through August, with May and June reaching their peak at a very high index of 8. Interestingly, after this summer spike, the UV values taper off once again, highlighting the seasonal fluctuations in sun exposure that Dalkey residents and visitors navigate throughout the year. For more detailed information, check out the full Dalkey UV Index.
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In Dalkey, Ireland, the month of December brings a gentle decline in sunshine, with an average of 101 hours illuminating the chilly days. This follows a vibrant peak from May to August, where residents basked in over 400 hours of sun, making it the sunniest stretch of the year. As autumn sets in, the sunshine diminishes, particularly in November, which records just 127 hours, hinting at the onset of winter. December's cool daylight, while limited, still offers a glimmer of hope and beauty, complementing the festive atmosphere of the season as the community gathers to embrace the waning sunlight amidst the twinkling holiday cheer.
In Dalkey, Ireland, December ushers in a modest likelihood of sunny weather, with the chance of sunshine hovering around 24%. This marks a slight dip compared to the previous months, following the trend set from October to February, where sun chances are generally lower, peaking in the milder spring months like April at 49%. December sits near the middle of this spectrum, illustrating how the approach of winter narrows the window for clear skies. While it may not be the sunniest month, those in Dalkey can still expect occasional glimpses of sunlight as they prepare for the festive season.
In Dalkey, Ireland, the trend of daylight duration reveals a gentle ebb and flow throughout the year. As winter sets in, December sees its shortest day with just 7 hours of daylight, a stark contrast to the vibrant 16 hours enjoyed during the peak of summer in June and July. The gradual increase in daylight starts in the early months, with January and November both offering only 8 hours. But as spring approaches, the days lengthen dramatically, reaching a pleasant 15 hours by May, before tapering back down to the cozy, yet limited daylight of winter. This rhythmic cycling not only marks the changing seasons but also paints a vivid picture of life in this charming coastal town.
As December settles in Dalkey, the winds begin to pick up momentum, averaging 6.8 m/s (15 mph)—a lively transition from the calmer breezes of summer. This month marks a subtle rise from November's winds, which echoed similarly at 6.6 m/s (15 mph). Notably, while winter descends, the gusts remain relatively steady compared to the peaks of early autumn, where October also recorded a brisk 6.7 m/s (15 mph). The transition from the milder summer months, particularly July's gentle 3.4 m/s (8 mph), highlights a shift towards more robust winds, setting the stage for a spirited end to the year. As the festive season approaches, Dalkey’s winds carry a promise of invigorating energy, inviting residents and visitors alike to embrace the chill of winter by the sea.
The weather in Dalkey 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 Dalkey and find detailed weather information for every month.
December typically experiences slightly milder temperatures than January, with averages ranging from a minimum of 2°C to a maximum of 13°C, compared to January's minimum of 1°C. Both months share the same maximum temperature, but January tends to be a bit colder overall, averaging 7°C. In terms of precipitation, December is significantly wetter, with 110 mm falling over 16 days, while January has only 70 mm over 11 days, suggesting a drier and less tumultuous start to the year. Humidity levels remain high in both months, with January slightly higher at 85%. For those interested in a detailed look at weather conditions, you can visit Dalkey weather in January.
December and February exhibit similar maximum temperatures, both reaching around 13°C (56°F), yet February tends to be slightly cooler, with average temperatures of 7°C (45°F) compared to December's 8°C (46°F). Precipitation levels are lower in February at 86 mm (3.4 in) over 15 days, in contrast to December's 110 mm (4.3 in) across 16 days. Both months maintain relatively high humidity, with February at 86% and December slightly lower at 84%. For a more detailed look at February's weather, you can check Dalkey weather in February.
December and March present quite different weather experiences. In December, temperatures range from a minimum of 2°C (35°F) to a maximum of 13°C (56°F), with an average of 8°C (46°F). The month is characterized by significant rainfall, totaling 110 mm (4.3 in) over about 16 days, coupled with high humidity at 84%. In contrast, March sees lower minimum temperatures, dropping to -3°C (28°F), while still reaching a max of 13°C (55°F) and holding an average of 7°C (45°F). Precipitation is less severe in March, totaling 87 mm (3.4 in) over 15 days, and humidity remains slightly elevated at 86%. For more specific details on March weather, you can check Dalkey weather in March.
In comparison, December typically experiences cooler temperatures with a range from 2°C (35°F) to a maximum of 13°C (56°F), while April sees slightly warmer conditions, with highs reaching up to 15°C (58°F). Although both months have the same minimum temperature of 2°C (35°F), April is generally drier, receiving only 48 mm (1.9 in) of precipitation over 11 days, compared to December's 110 mm (4.3 in) spread over 16 days. Humidity levels remain similar, with December at 84% and April slightly higher at 85%. For more detailed insights into what to expect, you can check Dalkey weather in April.
December and May exhibit distinctly different weather patterns. In December, temperatures range from a minimum of 2°C (35°F) to a maximum of 13°C (56°F), with an average temperature of 8°C (46°F). The month tends to be quite wet, experiencing about 110 mm (4.3 in) of precipitation over 16 days, with high humidity levels at 84%.
In contrast, May brings milder conditions, with temperatures ranging from a minimum of 3°C (38°F) to a maximum of 17°C (63°F) and an average of 11°C (52°F). This month is also drier, with only 61 mm (2.4 in) of rain spread over 12 days, while humidity remains relatively stable at 83%. For more details on the weather trends specific to May, you can visit Dalkey weather in May.
In December, the weather can be quite chilly, with temperatures ranging from a minimum of 2°C (35°F) to a maximum of 13°C (56°F). This month also experiences a significant amount of rainfall, averaging 110 mm (4.3 in) across 16 wet days, and maintaining a high humidity level of 84%. In contrast, June brings a milder climate, featuring temperatures that start at a minimum of 8°C (46°F) and peak at 19°C (67°F). Precipitation in June is lighter, averaging 75 mm (2.9 in) over 13 days, with humidity slightly higher at 85%. For a detailed look at June weather in Dalkey, check out Dalkey weather in June.
In December, temperatures are notably cooler, with minimums around 2°C (35°F) and averages peaking at 8°C (46°F), while July enjoys milder weather with minimums of 10°C (51°F) and average highs reaching 15°C (60°F). Precipitation is more frequent in December, averaging 110 mm (4.3 in) over 16 days, compared to July's 78 mm (3.1 in) spread over 14 days. Humidity levels are relatively similar, with December at 84% and July slightly higher at 86%. For a closer look at the weather specifics during July, check out Dalkey weather in July.
December and August present contrasting weather patterns. In December, temperatures range from a chilly minimum of 2°C (35°F) to a maximum of 13°C (56°F), with an average around 8°C (46°F). The month is characterized by significant precipitation of 110 mm (4.3 in) over 16 days, coupled with high humidity at 84%. In contrast, August enjoys milder conditions, with temperatures ranging from a minimum of 10°C (51°F) to a maximum of 20°C (68°F) and an average of 15°C (60°F). It sees slightly less rain, totaling 96 mm (3.8 in) over the same number of days, while humidity remains quite high at 85%. For a closer look at August's weather specifics, you can visit Dalkey weather in August. These differences highlight how December offers a noticeably cooler, wetter experience compared to the warmer, more temperate summer month of August.
In comparing the weather of December and September, we see notable differences in temperature and precipitation. December tends to be cooler, with average temperatures ranging from a minimum of 2°C (35°F) to a maximum of 13°C (56°F), while September offers milder conditions, featuring averages from 7°C (45°F) to 20°C (68°F). Additionally, December experiences higher precipitation levels, totaling 110 mm (4.3 in) spread over 16 days, compared to September’s 82 mm (3.2 in) over 14 days. While December's humidity sits at 84%, September is slightly higher at 86%. For more details on September's weather, you can visit Dalkey weather in September.
In comparison to October, December presents a more subdued weather profile. The average temperature drops from a pleasant 12°C (53°F) in October to a cooler 8°C (46°F) in December, with the minimum temperatures also shifting from 5°C (41°F) to just 2°C (35°F). While both months experience approximately 16 days of precipitation, December sees a slight increase in rain amounting to 110 mm (4.3 in) compared to October’s 101 mm (4.0 in). Additionally, humidity levels rise in December, reaching 84% from October's 87%, contributing to a heavier, chillier atmosphere. For a closer look at October conditions, you can check Dalkey weather in October.
In comparing the weather of December and November, December tends to be slightly cooler, with average temperatures ranging from a minimum of 2°C (35°F) to a maximum of 13°C (56°F), while November has slightly warmer temperatures, ranging from a minimum of 3°C (38°F) to a maximum of 15°C (59°F). Additionally, December experiences a bit less precipitation, totaling 110 mm (4.3 in) over 16 days compared to November's 127 mm (5.0 in) over 17 days. Humidity levels are comparable, with December at 84% and November slightly higher at 86%. For a more detailed look at November's climate, check out Dalkey weather in November.
As December settles in, Dalkey experiences a distinct shift in weather compared to other months. The chillier temperatures create a cozy atmosphere, where the maximum reaches 13°C while the average dips to a brisk 8°C, providing a clear signal that winter is underway. With precipitation frequent over the month—spanning 16 days and totaling 110 mm—December showcases the Irish penchant for rainy days. Coupled with high humidity at 84%, the air feels damp and crisp, compelling residents to embrace warm beverages and winter attire. For a deeper understanding of how Dalkey’s weather shapes its climate, explore Dalkey Climate.