December Weather in Ennis, Ireland

Last updated: March 17, 2025

December in Ennis, Ireland, showcases a chilly yet captivating climate. With maximum temperatures reaching 14°C (58°F) and a chilly average of 7°C (45°F), the month can see lows plummeting to -2°C (28°F), making warm clothing essential. Expect a significant 124 mm (4.9 in) of precipitation spread across 19 days, contributing to the region's lush, green landscape. The high humidity level of 89% enhances the crispness of winter air, creating quintessentially Irish weather that charms both locals and visitors alike.

December Temperature in Ennis

In December, Ennis, Ireland begins to feel the bite of winter, with temperatures typically ranging from a minimum of -2°C (28°F) to a maximum of 14°C (58°F). The average temperature hovers around 7°C (45°F), a subtle drop compared to the milder autumn months preceding it. Despite the chill, December remains milder than the harshest winter months of January and February, which often see more extreme lows. As the year winds down, the cool air invites cozy gatherings and festive cheer, making it a charming time to experience the town’s winter atmosphere amidst the gentle fluctuations in temperatures.

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

The chart illustrates December temperature patterns in Ennis, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec434445485357605956514745
Data source: Temperature data for Ennis 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 Ennis

December in Ennis, Ireland, sees a notable uptick in precipitation, with an average of 124 mm (4.9 in) of rainfall spread across 19 days. This surge completes a year characterized by substantial rainfall, particularly evident when compared to the preceding months. Notably, December's figures align closely with the wetter months of August and February, both of which also exceeded 120 mm. As winter settles in, the increased precipitation marks a shift from the slightly drier autumn months, contributing to the lush, green landscape that Ireland is renowned for. This trend underscores a consistent pattern of higher rainfall as the year concludes, painting a picture of December as one of the wettest months on record in Ennis.

December Precipitation Trends in Ennis

The chart displays monthly precipitation patterns in Ennis, 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.
JanFebMarAprMayJunJulAugSepOctNovDec75122104576866761329210597124
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Ennis

In December, Ennis experiences a notable humidity level of 89%, which reflects a slight decrease from the preceding months of November's 92% and October's 91%. As the year progresses into the winter months, humidity tends to stabilize, with December's figures closely mirroring those of earlier autumn months like September, which also saw 88% humidity. This trend indicates that while the air remains comfortably damp during the colder season, there's a gradual shift from the peak humidity experienced in late autumn. With winter settling in, the atmosphere retains a fresh, crisp moisture that characterizes Ennis during this time of year, creating a unique charm in the lush Irish landscape.

December Average Humidity in Ennis

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

In Ennis, Ireland, December marks the return of low UV exposure, with a UV Index of 1 that allows for a comfortable burn time of 45 minutes. This trend reflects a notable dip as the year winds down, following the summer months when UV levels soared to 8, indicating very high exposure risks. From January to February, the UV Index remains consistently low, suggesting that residents and visitors can enjoy their outdoor activities with minimal sun protection concerns. As the seasons change, the UV Index gradually rises in spring and peaks during the summer, but by fall and winter, it stabilizes at safer levels. For a deeper dive into year-round UV exposure patterns in Ennis, visit Ennis UV Index.

Maximum UV Index Levels in Ennis for December

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

As the year draws to a close, December in Ennis, Ireland offers a gentle reminder of the shifting seasons with 95 hours of sunshine, a subtle decrease from the bustling light of November. This month encapsulates the transition from the vibrant, sun-soaked spring and summer months—where May shines brightest with 392 hours—to the stark chill of winter. Following the lengthy hours of daylight in April through July, December's sunlight feels precious and fleeting, but it beautifully contrasts with the long nights, providing cozy moments of warmth and hope as the community prepares to welcome the returning light in the New Year.

Monthly Sunshine Duration in Ennis: December Highlighted

The December sunshine duration represents the total number of hours Ennis 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.
JanFebMarAprMayJunJulAugSepOctNovDec77h131h183h303h392h373h375h330h283h222h117h95h
Data source: Ennis December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Ennis During December

In Ennis, Ireland, December weather brings a hazy likelihood of sunshine, with only an 18% chance of sunny days. This pattern is reflective of a trend seen throughout the winter months, where the probability of clear skies takes a noticeable dip. Interestingly, while December's sunshine likelihood is slightly more than the chillier months of January and February, it pales in comparison to the vibrant spring and early summer months, which boast much higher chances. As the year draws to a close, those hoping to bask in winter sun might find themselves reaching for a raincoat more often than a pair of sunglasses.

Percentage of Sunny Days in December in Ennis

The chart illustrates the percentage of sunny days in Ennis 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 Ennis experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec30%21%16%45%30%18%26%22%15%17%24%18%
Data source: Ennis December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Ennis in December

As December ushers in the chill of winter, daylight duration in Ennis, Ireland, dwindles to just 7 hours, marking the shortest days of the year. This is part of a natural progression from the vibrant longer days of summer, where June and July bask in a generous 16 hours of daylight, down to the crisp, darker days where light gives way to cozy evenings. Following December, the trend begins to reverse; as the year turns to January, daylight extends slightly to 8 hours, hinting at the gradual return of light and the promise of spring. This rhythmic cycle of daylight encapsulates the unique charm of Ennis, where each season brings its own distinctive atmosphere and beauty.

Average Daylight Hours in Ennis for December

The chart illustrates the variation in daylight duration in Ennis throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 12m9h 52m11h 54m13h 59m15h 49m16h 47m16h 16m14h 37m12h 36m10h 32m8h 40m7h 40m
Data source: Ennis daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Ennis

As December arrives in Ennis, Ireland, the winds pick up slightly, averaging 4.5 m/s (10 mph)—a notable increase from the more subdued breezes of July, which recorded just 2.7 m/s (6 mph). This winter month witnesses a gradual ascent in wind speeds, peaking after a consistent trend that includes several months of relatively calm winds in spring and summer. From the summer's light winds, December brings a bustling vigor that foreshadows the chill of winter, as cold fronts sweep across the landscape, invigorating the air with a refreshing bite. This oscillation in wind patterns not only marks the changing seasons but also encapsulates the dynamic atmosphere of Ennis, where every breath of wind tells a story of the shifting Irish climate.

Average December Wind Speed in Ennis

The chart displays monthly wind speed patterns in Ennis, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.75.24.13.33.73.42.73.33.23.93.74.5 m/s
Data source: Ennis December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Ennis Compares to Other Months

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

December and January weather conditions exhibit some notable differences. In December, temperatures range from a chilly -2°C (28°F) to a mild 14°C (58°F), with an average of 7°C (45°F). The month experiences significant precipitation, totaling 124 mm (4.9 in) over 19 days, contributing to high humidity levels of 89%. Conversely, January's temperatures slightly dip with a minimum of -5°C (24°F) and an average of 6°C (44°F), yet it maintains a similar maximum of 14°C (58°F). Precipitation decreases to 75 mm (3.0 in) across 13 days, and humidity remains relatively stable at 88%. For more specific insights into January's climate, visit Ennis weather in January.

December and February share similar average temperatures, with both months averaging around 7°C (45°F), but February often dips slightly lower with a minimum temperature of -3°C (27°F) compared to December's -2°C (28°F). While February features marginally warmer maximum temperatures, reaching up to 15°C (60°F) against December's 14°C (58°F), both months experience high humidity levels, hovering around 88% in February and 89% in December. Precipitation is also quite consistent, with December receiving 124 mm (4.9 in) over 19 days and February slightly less at 121 mm (4.8 in) over 18 days. For a detailed look at the weather specifics in February, you can check out Ennis weather in February.

In December, temperatures range from a chilly -2°C (28°F) to a mild 14°C (58°F), with an average of 7°C (45°F). The month is characterized by high humidity at 89% and significant precipitation, totaling 124 mm (4.9 in) over 19 days. In contrast, March shows a slight drop in the minimum temperature to -6°C (22°F) but features a higher maximum of 17°C (63°F) while maintaining a similar average of 7°C (45°F). Precipitation in March is a bit lower at 104 mm (4.1 in) over 16 days, with humidity slightly decreasing to 87%. For a closer look at weather specifics, you can check out Ennis weather in March.

December and April display notable differences in weather patterns. In December, temperatures range from a chilly -2°C (28°F) to a maximum of 14°C (58°F), with an average of 7°C (45°F). This month also sees considerable precipitation, with 124 mm (4.9 in) spread over 19 days, contributing to a high humidity level of 89%. In contrast, April experiences milder temperatures, with a minimum of -2°C (29°F) and a maximum of 22°C (71°F), resulting in a pleasant average of 9°C (49°F). Additionally, April boasts significantly less precipitation at 57 mm (2.2 in) over just 11 days, while humidity remains relatively low at 86%. For more detailed insights, check Ennis weather in April.

December weather features cooler temperatures, with averages ranging from a chilly -2°C (28°F) to a maximum of 14°C (58°F). The month is quite wet, receiving about 124 mm (4.9 in) of precipitation over 19 days, and humidity levels hover at a high 89%. In contrast, May brings a noticeable warming trend, with temperatures ranging from a minimum of 0°C (33°F) to a pleasant maximum of 25°C (78°F), and an average of 12°C (53°F). Precipitation is lighter in May, totaling around 68 mm (2.7 in) over just 12 days, while humidity slightly decreases to 83%. For more details on its weather, check out Ennis weather in May.

In December, the weather is much colder, with temperatures ranging from a minimum of -2°C (28°F) to a maximum of 14°C (58°F) and an average of 7°C (45°F). The month experiences significant precipitation, totaling 124 mm (4.9 in) over about 19 days, along with high humidity levels at 89%. In contrast, June offers a much milder climate, with temperatures starting at a minimum of 5°C (41°F) and reaching up to 30°C (87°F), with an average of 14°C (58°F). Rainfall is less intense, with only 66 mm (2.6 in) across approximately 14 days, and humidity is slightly lower at 83%. Overall, June presents a more pleasant and warmer experience compared to the chilly and wet December. For more detailed information, you can check Ennis weather in June.

In December, the weather is considerably colder, with temperatures ranging from a minimum of -2°C (28°F) to a maximum of 14°C (58°F) and an average of 7°C (45°F). This month also sees higher precipitation levels, with 124 mm (4.9 in) of rain spread across 19 days and a humidity level of 89%. In contrast, July offers a much warmer climate, with temperatures between 7°C (44°F) and 29°C (84°F), averaging 16°C (61°F). Precipitation is lower, at 76 mm (3.0 in) over 12 days, and humidity is slightly lower at 85%. For those looking to explore the warmth and sunshine of midsummer, the comparison highlights a significant shift in both temperature and precipitation. Check out more about the warm weather during this month here: Ennis weather in July.

December and August exhibit contrasting weather patterns, reflective of their respective seasons. In December, temperatures range from a chilly minimum of -2°C (28°F) to a mild maximum of 14°C (58°F), with an average of 7°C (45°F). The month sees significant precipitation, totaling 124 mm (4.9 in) over 19 days, and a high humidity level of 89%. In contrast, August offers warmer temperatures, with a minimum of 6°C (44°F) and a maximum of 24°C (76°F), averaging 15°C (60°F). Although precipitation is slightly higher at 132 mm (5.2 in) over 20 days, the humidity is slightly lower at 85%. For more details on August's weather, visit Ennis weather in August.

December weather is markedly colder than September, with temperatures ranging from a frigid minimum of -2°C (28°F) to a maximum of 14°C (58°F), compared to September's milder range of 2°C (35°F) to 27°C (80°F). While both months experience significant humidity—89% in December and 88% in September—December sees more precipitation, averaging 124 mm (4.9 in) over 19 days, compared to September's 92 mm (3.6 in) over 15 days. Overall, September offers warmer temperatures and slightly less precipitation, making it a more pleasant time of year. For more detailed information, you can check Ennis weather in September.

When comparing the weather in December and October, December tends to be colder, with an average temperature of 7°C (45°F) compared to October's warmer average of 11°C (52°F). The minimum temperatures in December reach as low as -2°C (28°F), while October's minimum is 0°C (32°F). Additionally, December experiences slightly more precipitation, with 124 mm (4.9 in) over 19 days, compared to October's 105 mm (4.1 in) across 16 days. Humidity is somewhat similar, with December at 89% and October at 91%. For a more detailed look at October's weather, you can check Ennis weather in October.

In comparing the weather of December to November, we observe that both months experience similar minimum temperatures, hovering around -2°C (28°F). However, December sees a slight drop in the average temperature to 7°C (45°F) compared to November's 8°C (47°F). Maximum temperatures in December peak at 14°C (58°F), while November's highs reach 16°C (61°F). Rainfall is notably greater in December, with 124 mm (4.9 in) of precipitation over 19 days, compared to November's 97 mm (3.8 in) over 16 days. Humidity levels are also slightly higher in December at 89%, compared to 92% in November. For more detailed information, you can check Ennis weather in November.

Compare Ennis's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Ennis

As December settles in, Ennis transforms with its characteristic chill and increased moisture, marking a departure from the milder conditions of previous months. This festive month experiences a noticeable drop in temperatures, skimming the edges of freezing, while the high humidity levels amplify the cold, creating a damp atmosphere. With precipitation frequenting nearly two-thirds of the month, Ennis finds itself wrapped in a cloak of gray skies and rainfall, making it distinctly different from the drier and warmer weeks of autumn. For anyone looking to understand the full scope of Ennis's climate fluctuations, visit Ennis Climate for more insights.