December Weather in Glasnevin, Ireland

Last updated: March 17, 2025

In Glasnevin, Ireland, December ushers in a chilly atmosphere characterized by an average temperature of 7°C (45°F), with peaks reaching a maximum of 13°C (56°F) and dropping to a brisk minimum of -2°C (30°F). While the weather can feel quite frosty, it also brings abundant moisture, with 85 mm (3.4 in) of precipitation spread over 14 rainy days, contributing to a high humidity level of 84%. This blend of cool temperatures and frequent rain sets the stage for a quintessentially Irish winter experience, perfect for cozy evenings by the fire or exploring the wintery landscapes.

December Temperature in Glasnevin

December in Glasnevin is a transition into winter, characterized by chilly temperatures that signal the close of the year. With minimums dipping to -2°C (30°F), the air takes on a crisp bite, while the average temperature hovers around 7°C (45°F), offering a brief reprieve from the colder extremes. On milder days, maximum temperatures reach up to 13°C (56°F), hinting at the lingering warmth of autumn before the colder months settle in. This month marks a notable decrease from the more temperate conditions of November, where temperatures practically dance above freezing. As daylight diminishes and festive lights adorn the town, Glasnevin's December ambiance is both inviting and refreshingly brisk, perfect for cozy gatherings and winter strolls.

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

The chart illustrates December temperature patterns in Glasnevin, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec434445485358616157524745
Data source: Temperature data for Glasnevin generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Glasnevin

In December, Glasnevin experiences a significant uptick in precipitation, with an average rainfall of 85 mm (3.4 in) over 14 days. This volume positions December among the wetter months of the year, following a particularly rainy November, which recorded 93 mm (3.6 in). Interestingly, December's rainfall is slightly less than the peak seen in August, noted for its 95 mm (3.7 in), yet it still contributes to the overall trend of dampness as winter takes hold. The consistency of rainfall in both November and December highlights a pattern of increased precipitation during the colder months, creating a distinctly moody atmosphere that is characteristic of Irish winters. This trend suggests that residents can expect a continuation of the lush, green landscape, sustained by the persistent drizzle that defines this season.

December Precipitation Trends in Glasnevin

The chart displays monthly precipitation patterns in Glasnevin, 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.
JanFebMarAprMayJunJulAugSepOctNovDec537373446269739570799385
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Glasnevin

In Glasnevin, Ireland, December marks a slight drop in humidity levels, averaging at 84%. This decrease is part of a broader trend observed throughout the year, where humidity remains consistently high, ranging from 83% to 87% from May to October. Interestingly, the winter months, particularly from October to December, showcase relatively stable humidity figures, with November peaking at 86% before tapering off. The slight dip in December foreshadows the gradual transition into the drier months ahead, yet the overall climate retains a notably damp character, characteristic of Ireland's maritime weather.

December Average Humidity in Glasnevin

This chart illustrates the average monthly humidity levels in Glasnevin, 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 Glasnevin

In December, Glasnevin experiences a low UV Index of 1, indicating minimal sun exposure risks and a burn time of 45 minutes. This month serves as a smooth transition into winter, where UV levels are significantly lower compared to the sunnier months of May to July, which see peaks of 7 to 8 in the UV Index, categorized as high to very high. As daylight dwindles and temperatures drop, outdoor enthusiasts can feel secure knowing that sunburn is unlikely, offering a great opportunity to enjoy the crisp winter air. For detailed insights on UV levels throughout the year, visit Glasnevin UV Index.

Maximum UV Index Levels in Glasnevin for December

The chart shows the monthly maximum UV Index (UVI) for Glasnevin 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: Glasnevin 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 Glasnevin

As December settles over Glasnevin, Ireland, the days gradually shorten, yielding just 91 hours of sunshine, a noteworthy dip after the vibrant light of previous months. The trend of the year reveals a steady ascent in sunlight hours, peaking in May with an impressive 385 hours, before descending into the winter months. While December's light may feel scarce, it stands as a stark contrast to the sun-drenched April and May, where residents soaked in over 300 hours. This seasonal ebb and flow not only frames the charm of Ireland's winter but also highlights the exhilarating anticipation of the longer, brighter days to come as the year turns.

Monthly Sunshine Duration in Glasnevin: December Highlighted

The December sunshine duration represents the total number of hours Glasnevin 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.
JanFebMarAprMayJunJulAugSepOctNovDec80h145h190h308h385h379h377h329h288h226h114h91h
Data source: Glasnevin December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Glasnevin During December

As December approaches in Glasnevin, Ireland, residents can expect a modest likelihood of sunny weather, with only 23% of the days typically graced by sunshine. This percentage isn't far off from the more overcast months that precede it, notably October and November, which hover around 20% to 26% sunlight. While winter tightens its grip, the potential for brighter days remains, albeit limited compared to the vibrant spring months, where the chance of sun surges to 44% in April. Thus, while December may not offer the sun-soaked days of the warmer months, it still presents fleeting opportunities for sunshine amidst the chill.

Percentage of Sunny Days in December in Glasnevin

The chart illustrates the percentage of sunny days in Glasnevin 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 Glasnevin experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec27%21%22%44%33%23%30%23%21%20%26%23%
Data source: Glasnevin December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Glasnevin in December

As December dawns in Glasnevin, Ireland, the daylight hours dip to their lowest, with only 7 hours of natural light gracing the winter landscape. This month serves as a stark contrast to the sun-drenched summer days of June and July, which boast a generous 16 hours of daylight. The gradual decline begins in the fall, with daylight shrinking from 14 hours in August to 10 hours in October, and finally settling into November's 8 hours. This pattern of diminishing daylight emphasizes the cyclical nature of the seasons, culminating in December's twilight. Amidst the early sunsets and lingering nights, the rich, cozy atmosphere of winter invites reflections and festive gatherings, showcasing the beauty that each season brings.

Average Daylight Hours in Glasnevin for December

The chart illustrates the variation in daylight duration in Glasnevin throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 5m9h 48m11h 54m14h 3m15h 56m16h 56m16h 24m14h 42m12h 37m10h 29m8h 34m7h 31m
Data source: Glasnevin daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Glasnevin

As December unfolds in Glasnevin, Ireland, the wind begins to pick up, reflecting a notable trend as we move into the winter months. With an average wind speed of 5.0 m/s (11 mph), December stands out as one of the slightly breezier months, following a consistent increase from the more placid summer months. The winds have gradually strengthened since the calmness of July, which recorded only 2.8 m/s (6 mph), with specks of early autumn breezes returning by October and November. This steady rise in wind speeds culminates in a December that carries both the chill of winter and a refreshing vigor, inviting locals and visitors alike to embrace the bracing air that defines this time of year in Glasnevin.

Average December Wind Speed in Glasnevin

The chart displays monthly wind speed patterns in Glasnevin, 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.
JanFebMarAprMayJunJulAugSepOctNovDec4.66.04.83.53.93.72.83.63.54.84.95.0 m/s
Data source: Glasnevin December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Glasnevin Compares to Other Months

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

In December, temperatures in Glasnevin typically range from a minimum of -2°C (30°F) to a maximum of 13°C (56°F), with an average of 7°C (45°F). This month experiences considerable rainfall, totaling 85 mm (3.4 in) over about 14 days, while humidity levels hover around 84%. In contrast, January sees slightly cooler temperatures with a minimum of -3°C (27°F) and a maximum of 14°C (58°F), averaging 6°C (43°F). Precipitation decreases to 53 mm (2.1 in) over 10 days, and humidity remains high at 85%. For more detailed information, you can visit Glasnevin weather in January.

In December, temperatures range from a minimum of -2°C (30°F) to a maximum of 13°C (56°F), with an average of 7°C (45°F). The month also sees significant precipitation, totaling 85 mm (3.4 in) over 14 days, coupled with humidity levels around 84%. In contrast, February has a similar temperature range, with a minimum of -2°C (29°F) and a slightly higher maximum of 15°C (58°F), and an average of 7°C (44°F). Precipitation in February is slightly lower at 73 mm (2.9 in), also spread across 14 days, with humidity increasing to 86%. For more details, visit Glasnevin weather in February.

When comparing the weather in December and March, we see some notable similarities and differences. Both months experience an average temperature of 7°C (45°F), but March typically features slightly warmer maximum temperatures, reaching up to 16°C (62°F) compared to December's 13°C (56°F). December's minimum temperature averages around -2°C (30°F), whereas March is a touch colder at -3°C (26°F). Precipitation levels are also comparable, with December receiving 85 mm (3.4 in) and March slightly less at 73 mm (2.9 in), although both months have rain on about 14 days. Additionally, humidity is just a touch higher in March at 86% versus December's 84%. For more detailed insights, check out Glasnevin weather in March.

December and April present distinct weather patterns, with December typically being cooler and wetter. In December, temperatures range from a minimum of -2°C (30°F) to a maximum of 13°C (56°F), with an average of 7°C (45°F). This month experiences 85 mm (3.4 in) of precipitation over 14 days, along with high humidity at 84%. In contrast, April shows a slight increase in temperatures, with the minimum dropping to -1°C (31°F) and the maximum reaching 19°C (67°F), averaging at 9°C (48°F). Precipitation is reduced to 44 mm (1.7 in) over 11 days while maintaining similar humidity levels at 85%. Overall, April tends to be milder and drier compared to the cold and wet conditions of December. For more detailed information, you can check Glasnevin weather in April.

December and May present contrasting weather patterns, reflecting the transition from winter to spring. In December, temperatures range from a chilly -2°C (30°F) at night to a mild 13°C (56°F) during the day, with an average of 7°C (45°F). The month is quite wet, experiencing about 85 mm (3.4 in) of precipitation over 14 days, and the humidity is notably high at 84%. In comparison, May offers a more pleasant climate, with temperatures varying from 1°C (34°F) at night to a warm 22°C (72°F) during the day, resulting in an average of 12°C (53°F). Precipitation decreases to 62 mm (2.4 in) across 12 days, and humidity remains relatively stable at 83%. For more detailed information, you can explore Glasnevin weather in May.

December and June present quite contrasting weather conditions. In December, temperatures can dip as low as -2°C (30°F), with an average of 7°C (45°F) and a maximum of 13°C (56°F). The month also experiences considerable precipitation, totaling 85 mm (3.4 in) over about 14 days, accompanied by high humidity levels of 84%. In stark contrast, June boasts a milder climate with minimum temperatures of 7°C (44°F), an average of 15°C (58°F), and maximums reaching up to 25°C (77°F). Precipitation in June is lighter, at 69 mm (2.7 in) over 13 days, and the humidity remains relatively high at 85%. For more detailed information on June weather, you can check Glasnevin weather in June.

In December, temperatures are colder, with minimums dropping to -2°C (30°F) and an average of 7°C (45°F), while maximums reach 13°C (56°F). The month is relatively wet, receiving about 85 mm (3.4 in) of precipitation over 14 days, coupled with a high humidity of 84%. In contrast, July brings milder weather with minimum temperatures of 8°C (47°F), an average of 16°C (62°F), and highs soaring to 27°C (80°F). Though it is slightly drier than December with 73 mm (2.9 in) of precipitation spread over 12 days, humidity remains high at 86%. For those interested in exploring weather specifics, you can visit Glasnevin weather in July.

In December, temperatures in Glasnevin fluctuate between a minimum of -2°C (30°F) and a maximum of 13°C (56°F), with an average temperature around 7°C (45°F). The month experiences significant precipitation, totaling 85 mm (3.4 in) across about 14 days, accompanied by high humidity levels of 84%. In contrast, August brings milder weather with a minimum temperature of 8°C (47°F) and a maximum of 23°C (74°F), averaging 16°C (61°F). Precipitation is slightly higher at 95 mm (3.7 in), spread over about 16 days, with humidity at a comparable 85%. For more detailed insights, you can check Glasnevin weather in August.

When comparing the weather in December and September, significant differences emerge in both temperature and precipitation. December tends to be colder, with an average temperature of 7°C (45°F) and a maximum of 13°C (56°F), while September enjoys warmer conditions, averaging 14°C (57°F) and peaking at 22°C (72°F). Additionally, December experiences more precipitation, with a total of 85 mm (3.4 in) spread over 14 days, compared to September's 70 mm (2.7 in) over 13 days. Humidity levels are slightly lower in December at 84%, compared to September's 86%. For a closer look at September's weather specifics, visit Glasnevin weather in September.

In comparing the weather of December and October, we can see notable differences in both temperature and precipitation. December typically experiences colder temperatures, with a minimum of -2°C (30°F) and an average of 7°C (45°F), compared to October's more moderate range where the minimum is 2°C (36°F) and the average is 11°C (53°F). Additionally, December is characterized by slightly higher precipitation levels, with 85 mm (3.4 in) over 14 days, while October records 79 mm (3.1 in) over 13 days. Humidity levels are also quite similar, with December averaging 84% and October at 87%. For more specific details about October's weather, you can check out Glasnevin weather in October.

When comparing the weather in December to that of November, December experiences slightly cooler temperatures, with a minimum of -2°C (30°F) and an average of 7°C (45°F), compared to November's minimum of -1°C (31°F) and average of 8°C (48°F). Despite these lower temperatures, December sees a marginal decrease in total precipitation, with 85 mm (3.4 in) over 14 days, while November registers 93 mm (3.6 in) over the same number of days. Humidity also remains high in both months, with December at 84% and November slightly higher at 86%. For a more detailed look at November's weather patterns, check out Glasnevin weather in November.

Compare Glasnevin's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Glasnevin

As December blankets Glasnevin in its winter embrace, the weather transforms significantly compared to the milder months of the year. With temperatures dipping considerably, the chilly air contrasts sharply with the more moderate conditions of autumn, casting a brisk atmosphere throughout the area. The month also witnesses an uptick in precipitation, with rain gracing the landscape on nearly half the days, contributing to a notably high humidity level that clings to the air. This makes December a distinct month, rich in both mood and atmosphere, and perfect for cozy indoor gatherings or brisk outdoor strolls. For a deeper insight into how Glasnevin's climate evolves throughout the year, explore Glasnevin Climate.