December Weather in Cashel, Ireland

Last updated: March 17, 2025

December in Cashel, Ireland presents a captivating blend of winter chill and festive charm. With maximum temperatures reaching 14°C (57°F) and averaging around 6°C (43°F), residents and visitors alike can expect a cool, crisp ambiance. Nighttime lows can dip to a biting -5°C (24°F), so bundling up is essential. The month brings considerable precipitation, totaling 113 mm (4.4 in) over approximately 16 days, creating a lush and vibrant landscape amid the gray skies. Humidity levels hover around a notable 89%, enhancing the wintry atmosphere that defines Cashel in December.

December Temperature in Cashel

December in Cashel, Ireland, presents a crisp winter ambiance as temperatures begin to dip noticeably. With a minimum of -5°C (24°F) and an average hovering around 6°C (43°F), the month serves as a precursor to the cold of January. The maximum temperature reaches 14°C (57°F), reflecting a slight milder spell compared to earlier months like November, which recorded similar lows but with a slightly lower average. This trend of cooler temperatures marks December as a transitional period, combining the lingering autumnal chill with the onset of winter, inviting both locals and visitors to enjoy the festive spirit against a backdrop of frosty landscapes.

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

The chart illustrates December temperature patterns in Cashel, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec414243475257605955504543
Data source: Temperature data for Cashel 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 Cashel

In Cashel, Ireland, the month of December stands out with a notable precipitation level of 113 mm (4.4 in), making it one of the wettest months of the year. This uptick is reflected in the 16 rainy days, which contributes to the overall trend of increasing rainfall as the year progresses. Following a pattern, December's precipitation is slightly higher than that of November's 90 mm (3.6 in), emphasizing the winter's tendency to bring more moisture to the region. As the year shifts towards a colder season, the cumulative effect of these wet months creates a lush landscape, typical of Ireland's vibrant natural beauty. The transition from autumn into winter not only enhances the rainfall but also sets the stage for the lush scenery that Cashel is known for, reinforcing its charm in the wettest part of the year.

December Precipitation Trends in Cashel

The chart displays monthly precipitation patterns in Cashel, 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.
JanFebMarAprMayJunJulAugSepOctNovDec6211298657168761036910490113
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Cashel

December in Cashel, Ireland, witnesses a notable atmospheric embrace with a humidity level of 89%. As winter deepens, the humidity remains relatively high, consistently hovering above 85% throughout the year. The trend indicates a gradual increase in moisture levels from 83% in May and June, peaking at 92% in November before slightly receding. This seasonal shift underscores a unique characteristic of Cashel’s climate, where even as temperatures drop, the air remains rich with humidity, creating a cool yet damp ambiance typical of a lush Irish winter.

December Average Humidity in Cashel

This chart illustrates the average monthly humidity levels in Cashel, 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.
JanFebMarAprMayJunJulAugSepOctNovDec89%88%87%86%83%83%85%85%88%91%92%89%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Cashel

As December rolls into Cashel, Ireland, the UV Index falls back to 1, placing it firmly in the low exposure category with a burn time of 45 minutes. This decline in UV levels marks the conclusion of a year characterized by fluctuating sun exposure, beginning with the serene January and building to the peak July and June months, where UV ratings reached a striking 8 in the very high category. Following this summer surge, a gradual decrease throughout autumn, hitting low levels by November, leads to the cozy winter month of December. It's a trend that highlights the seasonal shifts in sun intensity, reminding residents to remain aware of UV radiation even in the colder months. For detailed insights, check out the interactive Cashel UV Index.

Maximum UV Index Levels in Cashel for December

The chart shows the monthly maximum UV Index (UVI) for Cashel 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.
JanFebMarAprMayJunJulAugSepOctNovDec124578875421
Data source: Cashel 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 Cashel

In Cashel, Ireland, December brings a gentle twilight to the year, offering around 100 hours of sunshine. While this is a notable decrease from the 291 hours basked in during April, it reflects the natural ebb and flow of light across the seasons. Following the vibrant burst of sunshine seen from May to July, where daylight reached its peak with over 380 hours, December's charm lies in its cozy, reflective atmosphere. Interestingly, the sunshine hours in December, though modest, fit neatly into a pattern where each month gradually transitions into the darker winter days, allowing residents and visitors alike to appreciate the serene winter landscape bathed in the soft glow of a winter sun.

Monthly Sunshine Duration in Cashel: December Highlighted

The December sunshine duration represents the total number of hours Cashel 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.
JanFebMarAprMayJunJulAugSepOctNovDec85h135h187h291h382h374h381h337h285h228h124h100h
Data source: Cashel December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Cashel During December

In Cashel, Ireland, the likelihood of sunny weather in December hovers around a modest 18%, reflecting the typically overcast conditions of late autumn and early winter. As the year progresses, one can observe a notable shift in sunshine probabilities: while April boasts the highest chance at 43%, the following months such as January and November see percentages drop significantly. December's 18% aligns closely with the gloomier trends of October and September, where sun-seeking locals must remain patient until the brighter days anew emerge in springtime. Overall, December offers a subdued backdrop, suggesting that those lingering in Cashel during this month might need to pack an umbrella rather than sunglasses.

Percentage of Sunny Days in December in Cashel

The chart illustrates the percentage of sunny days in Cashel 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 Cashel experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec26%21%19%43%26%21%25%21%17%17%24%18%
Data source: Cashel December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Cashel in December

In Cashel, Ireland, December brings the shortest daylight duration of the year, with only 7 hours of sunlight as winter sets in. Following the gradual rise in daylight from the depths of winter in January, peaking in the long days of June and July at 16 hours, the trend now shifts dramatically. As the year progresses from autumn into winter, daylight hours diminish from 10 hours in October to a mere 8 hours in November, signaling the arrival of darker days. This seasonal ebb and flow highlights the stark contrast between the vibrant, sunlit days of summer and the tranquil, shadowy evenings of December, inviting a cozy and reflective atmosphere as the year draws to a close.

Average Daylight Hours in Cashel for December

The chart illustrates the variation in daylight duration in Cashel throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 16m9h 54m11h 54m13h 57m15h 45m16h 42m16h 11m14h 34m12h 36m10h 33m8h 43m7h 45m
Data source: Cashel daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Cashel

In Cashel, Ireland, December ushers in a slight uptick in wind speed, averaging 3.9 m/s (9 mph), a refreshing change as the year draws to a close. This increase marks a subtle peak compared to the calmer summer months, where July recorded the lowest average at 2.5 m/s (6 mph). The gentle winds of December stand in contrast to the mild breezes of early spring, hinting at a shift towards a more dynamic weather pattern as winter approaches. While November and January maintain similar speeds at 3.3 m/s (7 mph), December's winds bring a hint of briskness, setting the stage for a cozy holiday atmosphere that envelops the historic landscapes of Cashel.

Average December Wind Speed in Cashel

The chart displays monthly wind speed patterns in Cashel, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.34.83.72.93.43.12.53.02.83.63.33.9 m/s
Data source: Cashel December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Cashel Compares to Other Months

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

December and January weather exhibit some notable differences. In December, temperatures range from a minimum of -5°C (24°F) to a maximum of 14°C (57°F), with an average of 6°C (43°F). This month also sees higher precipitation, totaling 113 mm (4.4 in) over 16 days, contributing to a humidity level of 89%. In contrast, January is slightly colder, with temperatures dipping to a minimum of -6°C (22°F) and an average of 5°C (42°F), peaking at 13°C (56°F). Precipitation decreases significantly to 62 mm (2.4 in) across 11 days, and humidity remains fairly stable at 88%. For more specific weather details, you can visit Cashel weather in January.

In comparing the weather between December and February, it is clear that both months share quite similar conditions. December features a temperature range with a minimum of -5°C (24°F) and a maximum of 14°C (57°F), while February boasts a slightly higher minimum of -4°C (25°F) and a maximum of 14°C (58°F). Precipitation levels are also comparable, with December receiving 113 mm (4.4 in) over 16 days and February slightly less at 112 mm (4.4 in) across 17 days. Humidity levels remain high in both months, with December at 89% and February just a notch lower at 88%. For more detailed insights on the weather in February, you can visit Cashel weather in February.

In December, temperatures typically range from a minimum of -5°C (24°F) to a maximum of 14°C (57°F), with an average of 6°C (43°F). The month experiences significant precipitation, averaging 113 mm (4.4 in) over 16 days, and humidity tends to be quite high at 89%. In contrast, March sees slightly cooler temperatures, with a minimum of -8°C (18°F) and a maximum of 17°C (62°F), while still maintaining an average of 6°C (43°F). Precipitation in March is somewhat lower at 98 mm (3.9 in) spread across 17 days, and humidity remains slightly lower at 87%. For more detailed information on March weather, you can check Cashel weather in March.

December and April present contrasting weather patterns, highlighting the transition from winter to spring. In December, temperatures range from a chilly -5°C (24°F) to a maximum of 14°C (57°F), with an average of 6°C (43°F). This month also sees substantial precipitation, totaling 113 mm (4.4 in) over 16 days, accompanied by high humidity at 89%. In contrast, April experiences milder conditions with temperatures ranging from -4°C (26°F) to a warmer 20°C (68°F), averaging around 8°C (47°F). Precipitation in April is lower at 65 mm (2.6 in) over 11 days, and humidity slightly decreases to 86%. For more detailed insights into April weather, you can explore Cashel weather in April.

December and May present contrasting weather conditions, with December generally being much colder and wetter. In December, temperatures range from a chilly -5°C (24°F) to a maximum of 14°C (57°F), accompanied by significant precipitation amounting to 113 mm (4.4 in) over about 16 days, coupled with high humidity levels of 89%. In contrast, May sees more moderate temperatures, with a minimum of -2°C (30°F) and a pleasant average of 11°C (52°F), peaking at 24°C (76°F). Rainfall is lighter in May, totaling 71 mm (2.8 in) across 12 days, and the humidity is slightly lower at 83%. For a more detailed look at the weather in this month, check out Cashel weather in May.

December and June present contrasting weather patterns. In December, temperatures range from a chilly -5°C (24°F) at night to a milder 14°C (57°F) during the day, with an average of 6°C (43°F). The month experiences significant precipitation, totaling 113 mm (4.4 in) over 16 days, accompanied by high humidity at 89%. In contrast, June warms up considerably, with temperatures ranging from a minimum of 4°C (39°F) to a maximum of 29°C (84°F), averaging 14°C (57°F). The June weather sees less rainfall, with 68 mm (2.7 in) recorded over 13 days and slightly lower humidity at 83%. For more details on June conditions, visit Cashel weather in June.

December and July present stark contrasts in weather patterns. In December, temperatures can drop to a minimum of -5°C (24°F), with an average around 6°C (43°F) and peaking at 14°C (57°F). The month is characterized by a significant amount of precipitation, totaling 113 mm (4.4 in) over 16 days, accompanied by high humidity at 89%. In contrast, July enjoys milder temperatures, with a minimum of 6°C (43°F), an average of 16°C (60°F), and a maximum reaching 28°C (82°F). Precipitation is lighter in July, at 76 mm (3.0 in) spread over 13 days, and the humidity is slightly lower at 85%. For more detailed information about the weather in July, you can check Cashel weather in July.

December's weather is characterized by colder temperatures, with a minimum of -5°C (24°F) and an average of 6°C (43°F), peaking at 14°C (57°F). The month sees significant precipitation, averaging 113 mm (4.4 in) over approximately 16 rainy days, coupled with high humidity at 89%. In contrast, August offers a much milder climate, where temperatures range from a minimum of 5°C (41°F) to an average of 15°C (59°F) and can rise to a maximum of 24°C (76°F). Precipitation is slightly lower at 103 mm (4.1 in) over 17 days, and humidity is a touch lower at 85%. Overall, August provides a more pleasant atmosphere compared to the chilly and damp conditions of December. For more specifics on summer weather, you can check Cashel weather in August.

December weather contrasts sharply with that of September, showcasing the seasonal transition from autumn to winter. In December, temperatures range from a frigid minimum of -5°C (24°F) to a mild maximum of 14°C (57°F), with an average temperature of 6°C (43°F). This month sees more precipitation, averaging 113 mm (4.4 in) over 16 days, and the humidity remains high at 89%. In comparison, September boasts a much warmer climate with temperatures ranging from a minimum of 1°C (33°F) to a pleasant maximum of 25°C (78°F) and an average of 13°C (55°F). Precipitation is lower at 69 mm (2.7 in) across 12 days, while humidity is slightly less at 88%. For more information about the weather in September, you can check Cashel weather in September.

When comparing the weather in December and October, December tends to be noticeably colder, with average temperatures ranging from -5°C (24°F) to a max of 14°C (57°F), while October enjoys slightly milder conditions, with a range from -3°C (28°F) to a max of 18°C (66°F). Additionally, December experiences more precipitation, with 113 mm (4.4 in) over 16 days, compared to October's 104 mm (4.1 in) over 14 days. Humidity levels are similar in both months, with December at 89% and October at 91%. For more details, you can check out Cashel 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 -5°C (24°F) to a maximum of 14°C (57°F), while November sees averages between -3°C (27°F) and 15°C (60°F). Precipitation is higher in December, totaling 113 mm (4.4 in) over 16 days, compared to November's 90 mm (3.6 in) across 15 days. Additionally, December's humidity is slightly lower at 89%, compared to November's 92%. For more detailed insights, you can check out Cashel weather in November.

Compare Cashel's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Cashel

As December settles in Cashel, the charm of winter becomes palpable with cool temperatures and a notable increase in precipitation. While the average temperature drops to a brisk 6°C, the city experiences markedly higher humidity levels at 89%, adding a distinct chill to the air. Compared to other months, December is characterized by frequent rain, with about 16 days of wet weather, making it one of the wetter times of the year. Despite the cold, the festive spirit thrives, inviting locals and visitors alike to embrace the unique beauty of Cashel in the winter season. For more insights on what to expect throughout the year, explore Cashel Climate.