December Weather in Tallaght, Ireland

Last updated: March 17, 2025

December in Tallaght, Ireland presents a chilly atmosphere characterized by a maximum temperature reaching 13°C (56°F) and an average of 6°C (44°F). Frequent cold snaps can drop temperatures to a brisk -2°C (28°F). Throughout the month, residents can expect 15 days of precipitation, accumulating to 94 mm (3.7 in), contributing to the region's high humidity levels at 84%. This mix of wet and cold weather sets a quintessential winter backdrop that defines the month.

December Temperature in Tallaght

In Tallaght, Ireland, December ushers in the chill of winter, with temperatures reaching a minimum of -2°C (28°F) and peaking at a comfortable average of 6°C (44°F). As the month unfolds, the weather retains a brisk quality, notably cooler than the preceding months, characteristic of the transition into the depths of the Irish winter. The maximum temperature settles around 13°C (56°F), presenting a stark contrast to the milder days of autumn. With this shift, residents can expect frosty mornings and crisp evenings, inviting cozy gatherings by the fire and holiday celebrations that make the chilly air feel a touch warmer.

December Weather in Tallaght: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Tallaght, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec424344475257605956514643
Data source: Temperature data for Tallaght generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Tallaght

December in Tallaght, Ireland, typically features plentiful precipitation, with an average of 94 mm (3.7 in) falling over approximately 15 days. This makes it one of the wetter months of the year, just slightly shy of November's 97 mm. The consistent rainfall throughout December, coupled with a similar number of precipitation days, reflects the ongoing trend of increased moisture as the year draws to a close. With the chilly winter months upon them, residents can expect this wet weather to contribute to the lush, green landscapes that Ireland is renowned for, starkly contrasting the drier spell that precedes it in April.

December Precipitation Trends in Tallaght

The chart displays monthly precipitation patterns in Tallaght, with values for each month alongside December's data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how December's conditions compare to those of other months.
JanFebMarAprMayJunJulAugSepOctNovDec578081527275809573879794
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

December Humidity in Tallaght

In Tallaght, Ireland, December brings a slight dip in humidity, settling at 84%, which is a touch lower than the 86% seen in the previous months. This subtle decrease marks a trend where the climate maintains relatively high humidity levels throughout the autumn and into winter, with figures consistently ranging between 83% and 87% across the year. Notably, October holds the highest average at 87%, while May offers a brief reprieve with 83%. Overall, December's humidity reflects a mild winter climate, where moisture levels remain comfortably elevated, typical of Ireland's temperate maritime weather.

December Average Humidity in Tallaght

This chart illustrates the average monthly humidity levels in Tallaght, with December's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how December's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec85%86%86%85%83%85%86%85%86%87%87%84%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Tallaght

In Tallaght, Ireland, the UV Index exhibits a notable seasonal pattern. Throughout the year, the index peaks in the summer months of June and July, reaching a high of 8, indicating a very high risk of harm from unprotected sun exposure, with a burn time as brief as 15 minutes. As autumn progresses into winter, the index gradually declines, culminating in December where it drops back to 1, reflecting a low exposure category and a safer burn time of 45 minutes. This trend underscores the importance of adjusting sun protection measures based on the fluctuating UV levels throughout the year. For more detailed information on UV levels in this region, you can visit Tallaght UV Index.

Maximum UV Index Levels in Tallaght for December

The chart shows the monthly maximum UV Index (UVI) for Tallaght in December, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec124578875321
Data source: Tallaght December UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

December Sunshine in Tallaght

In Tallaght, Ireland, the December sunshine offers a gentle farewell to the year, providing a modest 95 hours of daylight. This marks a noticeable dip, as the days grow shorter and darker ushering in winter's embrace. However, a broader glance at the year reveals a fascinating trend: from January’s mere 83 hours of sunlight, a gradual increase unfolds, peaking in May with a vibrant 391 hours. As the seasons progress, sunshine time fluctuates, with a notable decline in the final months, reflecting the natural ebb and flow of daylight throughout the year. While December may bring less sunshine, it serves as a soft reminder of the longer, brighter days that are sure to return as the cycle begins anew.

Monthly Sunshine Duration in Tallaght: December Highlighted

The December sunshine duration represents the total number of hours Tallaght experiences direct sunlight during the month of December, excluding cloudy or obstructed periods. This chart compares the sunshine duration of December with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec83h147h191h311h391h385h385h339h294h230h120h95h
Data source: Tallaght December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Tallaght During December

In December, Tallaght, Ireland, experiences a 23% chance of sunny weather, which aligns with an overall trend of relatively low sunshine opportunities throughout the winter months. Notably, this percentage mirrors the chances seen in January and August, suggesting that despite the festive season, residents and visitors should prepare for mostly overcast skies. The peak sunshine months arrive in spring, particularly April, where the chances leap to 44%, illustrating a seasonal transition towards brighter days. While December may not promise much sun, the consistency in weather patterns underscores the typical greys of winter in Ireland.

Percentage of Sunny Days in December in Tallaght

The chart illustrates the percentage of sunny days in Tallaght throughout the year, with December highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Tallaght experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec23%21%22%44%31%24%30%23%20%19%26%23%
Data source: Tallaght December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Tallaght in December

In December, Tallaght, Ireland experiences a notable decline in daylight, with only 7 hours of sunshine each day. This reduction follows a gradual tapering off from the longer days of summer, which peak at 16 hours in June and July. As autumn settles in, November brings a return to 8 hours of daylight before winter casts its shorter spells across the months. The progression of the year illustrates a clear trend: as the seasons change, daylight diminishes significantly from the 15 hours of brightness in May to the 7 hours of December, prompting both a reflective moment on the year passing and a cozy invitation to embrace the festive spirit.

Average Daylight Hours in Tallaght for December

The chart illustrates the variation in daylight duration in Tallaght throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 7m9h 49m11h 54m14h 2m15h 54m16h 53m16h 22m14h 40m12h 37m10h 30m8h 36m7h 34m
Data source: Tallaght daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Tallaght

As December ushers in the winter chill in Tallaght, Ireland, the wind picks up notably, averaging a brisk 4.9 m/s (11 mph). This follows a slight increase in wind speeds from the preceding months of November and October, both recorded at the same velocity. Overall, the trend throughout the year reveals a gradual ebb and flow in wind intensity, with peak gusts occurring typically in the earlier winter months. The pleasant but cool breezes during this festive season create a lively atmosphere, making December a charming time for walks amidst the crisp air and twinkling holiday lights.

Average December Wind Speed in Tallaght

The chart displays monthly wind speed patterns in Tallaght, with values for each month shown alongside December's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how December's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec4.56.04.73.44.03.72.73.63.44.94.84.9 m/s
Data source: Tallaght December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Tallaght Compares to Other Months

The weather in Tallaght 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 Tallaght and find detailed weather information for every month.

In December, temperatures typically range from a minimum of -2°C (28°F) to a maximum of 13°C (56°F), with an average temperature of 6°C (44°F). The month experiences considerable precipitation, totaling 94 mm (3.7 in) over about 15 days, accompanied by high humidity levels at 84%. In contrast, January sees slightly cooler temperatures, with a minimum of -3°C (26°F) and an average of 5°C (42°F), while still peaking at 13°C (56°F). January is also drier, with only 57 mm (2.2 in) of precipitation over 10 days and a marginally higher humidity of 85%. For a more detailed overview of conditions, you can check Tallaght weather in January.

In December, temperatures range from a chilly -2°C (28°F) to a maximum of 13°C (56°F), with an average of 6°C (44°F). The month experiences significant precipitation, totaling 94 mm (3.7 in) over approximately 15 days, contributing to a high humidity level of 84%. In contrast, February maintains a similar temperature range, with lows at -2°C (29°F) and highs reaching 14°C (58°F), averaging around 6°C (43°F). However, February sees slightly less precipitation at 80 mm (3.1 in) across 14 days, with humidity rising slightly to 86%. For more detailed insights, you can check Tallaght weather in February.

December and March exhibit distinct weather patterns, highlighting the transition from winter to early spring. In December, temperatures range from a minimum of -2°C (28°F) to a maximum of 13°C (56°F), with an average of 6°C (44°F). The month experiences significant precipitation of 94 mm (3.7 in) over 15 days, accompanied by high humidity levels of 84%. In contrast, March features slightly cooler temperatures, with a minimum of -5°C (24°F) and a maximum of 16°C (61°F), while maintaining an average temperature of 7°C (44°F). Precipitation in March is a little lower at 81 mm (3.2 in), yet it also spans 15 days, with humidity slightly higher at 86%. For a detailed outlook, you can check Tallaght weather in March.

In December, the weather tends to be chilly, with average temperatures ranging from a minimum of -2°C (28°F) to a maximum of 13°C (56°F). The month is characterized by higher precipitation, totaling 94 mm (3.7 inches) over about 15 days, and high humidity levels at 84%. In contrast, April experiences a more moderate climate, featuring slightly warmer temperatures with an average ranging from -2°C (29°F) to a maximum of 19°C (66°F). Precipitation decreases to 52 mm (2.0 inches) spread over 11 days, while humidity remains relatively high at 85%. For a more detailed look at April's weather, you can visit Tallaght weather in April.

December presents a much colder climate compared to May, with temperatures ranging from a chilly -2°C (28°F) to a mild 13°C (56°F). The month sees significant precipitation, averaging 94 mm (3.7 in) over 15 days and maintaining a high humidity level of 84%. In contrast, May brings milder weather with temperatures starting at 0°C (32°F) and peaking at a warmer 21°C (71°F) on average. Precipitation in May is somewhat less, at 72 mm (2.8 in) across 14 days, while humidity remains similar at 83%. For more detailed insights, you can check out Tallaght weather in May.

December and June present contrasting weather patterns in Tallaght. 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). This month experiences significant precipitation, totaling 94 mm (3.7 inches) over 15 days, and the humidity is notably high at 84%. In contrast, June offers a more temperate climate, with minimum temperatures starting at 6°C (42°F), averaging around 14°C (57°F), and peaking at a comfortable 24°C (75°F). Although June sees less rainfall, with only 75 mm (3.0 inches) over the same number of days, the humidity remains relatively elevated at 85%. For more specific information, check out Tallaght weather in June.

The weather in December is characterized by colder temperatures, with average highs around 6°C (44°F) and lows dropping to -2°C (28°F). In contrast, July enjoys milder conditions, with average highs reaching 16°C (60°F) and lows around 8°C (46°F). While December sees more precipitation at 94 mm (3.7 in) over approximately 15 days, July has slightly less rainfall at 80 mm (3.2 in) across 14 days. Both months have high humidity levels, with December at 84% and July at 86%, making July feel significantly warmer and more comfortable. For more details on July weather, you can refer to Tallaght weather in July.

In December, temperatures in Tallaght 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 significant precipitation, totaling 94 mm (3.7 in) spread across about 15 days, accompanied by high humidity at 84%. By contrast, August brings much warmer temperatures, with daily lows of 7°C (45°F) and highs reaching up to 23°C (73°F), averaging around 15°C (60°F). Precipitation in August is only slightly higher at 95 mm (3.8 in) over 16 days, and humidity remains similar at 85%. For more detailed information about August weather in Tallaght, you can check this link: Tallaght weather in August.

In comparing December and September weather, December showcases cooler temperatures, with a minimum of -2°C (28°F) and an average of 6°C (44°F), while September enjoys milder conditions, ranging from a minimum of 3°C (38°F) to an average of 13°C (56°F). December’s maximum temperature peaks at 13°C (56°F), starkly contrasting with September's warmer highs of 22°C (72°F). Precipitation is also notable, with December receiving 94 mm (3.7 in) over 15 days, compared to September's 73 mm (2.9 in) across 14 days. Additionally, both months feature high humidity, with December at 84% and September slightly higher at 86%. For more details on September weather, you can visit Tallaght weather in September.

In December, the weather is significantly cooler, with average temperatures ranging from a minimum of -2°C (28°F) to a maximum of 13°C (56°F), compared to October's milder range of 1°C (35°F) to 18°C (65°F). Precipitation levels are relatively high in both months, with December receiving about 94 mm (3.7 in) over 15 days, while October sees slightly less at 87 mm (3.4 in) over 14 days. Additionally, December's humidity is fairly high at 84%, just slightly lower than October's 87%. For more detailed insights about October weather specifically, you can check out Tallaght weather in October.

In comparing the weather of December and November, December tends to be slightly colder, with average temperatures ranging from a minimum of -2°C (28°F) to a maximum of 13°C (56°F). In contrast, November's temperatures range from a minimum of 0°C (32°F) to a maximum of 15°C (59°F), making it generally milder. Precipitation levels are quite similar, with December receiving 94 mm (3.7 in) over 15 days and November slightly higher at 97 mm (3.8 in) over 14 days. Humidity remains high in both months, though December is slightly less humid at 84% compared to November's 86%. For more details on the weather in November, visit Tallaght weather in November.

Compare Tallaght's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Tallaght

December in Tallaght brings a notable shift in weather, as temperatures dip significantly and the air hums with a consistent 84% humidity. The month is marked by frequent rain, with precipitation occurring on about half the days, contributing to a total of 94 mm of rainfall. This is quite a contrast to the milder, drier months earlier in the year. While the maximum temperatures hover around a cool 13°C, the chill can feel much more pronounced with minimums dropping to -2°C. As daylight fades and holiday cheer fills the air, December showcases a true winter experience in Tallaght, making it unique in the annual climate cycle. For more insights on what to expect throughout the year, visit Tallaght Climate.