December Weather in Blarney, Ireland

Last updated: March 17, 2025

December in Blarney, Ireland presents a chilly yet captivating atmosphere, with temperatures ranging from a maximum of 14°C (57°F) to a minimum of -2°C (28°F), averaging around 7°C (45°F). This month is characterized by frequent precipitation, accumulating to 103 mm (4.1 in) over 16 days, contributing to the lush greenery that Ireland is known for. Additionally, the humidity hovers around 83%, creating a moist environment that enhances the enchanting beauty of Blarney’s landscapes during the winter season. Enjoying the crisp air and occasional rain can evoke a unique charm that resonates through this historical town.

December Temperature in Blarney

In December, Blarney, Ireland, experiences a chill as temperatures begin to dip, with minimums around -2°C (28°F) and maximums peaking at 14°C (57°F). The month averages a cool 7°C (45°F), marking a noticeable transition into winter. This trend of declining temperatures from the autumn months continues, with December illustrating a typical Irish winter chill, but often accompanied by mild spells that can pleasantly surprise visitors. The contrast between the slightly higher average and the cooler lows emphasizes the crispness of the season, making December a picturesque time to explore the charm of Blarney, even as the days grow shorter and the air turns frosty.

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

The chart illustrates December temperature patterns in Blarney, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec434444485257615956514645
Data source: Temperature data for Blarney 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 Blarney

December in Blarney, Ireland, marks the peak of the winter precipitation season, with an average of 103 mm (4.1 in) of rain across 16 days. This substantial amount is reflective of the month’s characteristic dampness, surpassing all preceding months, including the notable rainfall of 101 mm in February. The trend suggests that as the year draws to a close, Blarney experiences an uptick in both the frequency and volume of rain, often leading to a lush, green landscape that is emblematic of the region. With each passing December, the blend of cooler temperatures and increased rainfall sets the stage for a picturesque, albeit wet, wintery backdrop in this charming part of Ireland.

December Precipitation Trends in Blarney

The chart displays monthly precipitation patterns in Blarney, 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.
JanFebMarAprMayJunJulAugSepOctNovDec56101837274606389699580103
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Blarney

In December, Blarney, Ireland experiences a humidity level of 83%, marking a slight decline from the higher figures of October and November, which registered at 86% and 84% respectively. This trend suggests that as the year winds down, the air begins to feel a bit drier, which is a refreshing change following the consistently elevated humidity seen through most of the summer and fall months, where levels hovered around 84% to 85%. Notably, despite the year-round humidity, December maintains a relatively stable position within the annual range, reflecting Blarney's characteristic oceanic climate and demonstrating the resilience of this charming Irish town to the seasonal shifts.

December Average Humidity in Blarney

This chart illustrates the average monthly humidity levels in Blarney, 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.
JanFebMarAprMayJunJulAugSepOctNovDec83%85%84%84%84%85%85%84%85%86%84%83%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Blarney

In December, Blarney, Ireland experiences a low UV Index of 1, making it one of the safest months for sun exposure. This trend of minimal UV intensity follows a gradual decline from the moderate levels seen in earlier months, which peaked at 8 in June and July. As winter approaches, residents and visitors can enjoy outdoor activities without the worry of sunburn, with a burn time of 45 minutes under this gentle sun. This month wraps up a year that fluctuated from very high UV levels in the summer to the protective lower levels of winter, reinforcing the importance of monitoring the UV Index throughout the seasons. For more insights, visit Blarney UV Index.

Maximum UV Index Levels in Blarney for December

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

December in Blarney, Ireland, typically embodies the tail end of the year's sunlight, with an average of 97 hours shining through. While this is a dip from the vibrant 381 hours of May - the sunniest month - it reflects a gradual decline as the seasons shift. Notably, the festive spirit of winter contrasts with the peak summer months of July and August, which relish in nearly 378 and 341 hours of golden daylight, respectively. The steady decrease in sunlight from 299 hours in April to 126 hours in November serves as a gentle reminder of the cyclical nature of the Irish climate. Despite December's lower count, the glimmers of sun during the holidays can still bring warmth and joy to the heart of Blarney.

Monthly Sunshine Duration in Blarney: December Highlighted

The December sunshine duration represents the total number of hours Blarney 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.
JanFebMarAprMayJunJulAugSepOctNovDec85h133h188h299h381h370h378h341h285h225h126h97h
Data source: Blarney December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Blarney During December

In Blarney, Ireland, December ushers in a significant drop in the chances of sunny weather, with a mere 19% likelihood of sun. This trend mirrors the preceding months, particularly the dwindling percentages seen in late autumn. Unlike the spring, where sunshine chances reach as high as 44% in April, winter months like December exhibit a consistent struggle for clear skies, aligning with the general pattern of diminishing sunlight as the year concludes. As the days grow colder and cloudier, the hope for a sunny break becomes a rare gem amidst the often overcast Irish winter.

Percentage of Sunny Days in December in Blarney

The chart illustrates the percentage of sunny days in Blarney 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 Blarney experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec31%22%20%44%28%23%28%25%19%20%28%19%
Data source: Blarney December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Blarney in December

In Blarney, Ireland, the journey through daylight duration reveals a captivating seasonal rhythm. As the year unfolds, daylight hours begin modestly with 8 hours in January, gradually increasing to a vibrant 16 hours during the height of summer in June and July. This bright peak transitions into a gentle decline, marking the gradual return to shorter days. By December, daylight diminishes to just 7 hours, the shortest of the year, casting a serene glow over the winter landscape. This cyclical pattern offers a striking perspective on the interplay between seasons, enhancing the charm of Blarney as it navigates the contrasts of light and dark throughout the year.

Average Daylight Hours in Blarney for December

The chart illustrates the variation in daylight duration in Blarney throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 20m9h 56m11h 55m13h 55m15h 41m16h 36m16h 7m14h 32m12h 35m10h 35m8h 47m7h 49m
Data source: Blarney daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Blarney

As December envelops Blarney, Ireland, the winds pick up a notch, boasting an average speed of 4.6 m/s (10 mph), marking a notable increase from the calmer summer months where gusts dipped as low as 2.9 m/s (6 mph) in July. This shift signals the arrival of winter's whisper, with winds generally peaking during the late fall and early winter months. Notably, February experiences the highest average wind speed of 5.5 m/s (12 mph), while the year winds down with December's brisk breeze, promising a refreshing chill that invigorates the landscape. As the year transitions, December's winds serve as a reminder of the dynamic and ever-changing climate of this enchanting Irish locale.

Average December Wind Speed in Blarney

The chart displays monthly wind speed patterns in Blarney, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.85.54.13.43.93.42.93.33.14.13.74.6 m/s
Data source: Blarney December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Blarney Compares to Other Months

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

December and January exhibit some notable weather differences while maintaining similar humidity levels at 83%. December tends to be slightly milder, with average temperatures ranging from a minimum of -2°C (28°F) to a maximum of 14°C (57°F), while January sees a slight drop, with temperatures ranging from a minimum of -5°C (24°F) to a maximum of 13°C (56°F). Precipitation levels also vary, as December is wetter with 103 mm (4.1 in) of rainfall over 16 days, compared to January's 55 mm (2.2 in) over just 10 days. These factors make December generally feel more varied, while January brings a cooler and drier climate. For a detailed look at January weather conditions, you can visit Blarney weather in January.

December and February share similar temperature ranges, both featuring minimums at -2°C (28°F) and average highs around 7°C (45°F for December, 44°F for February). However, December sees slightly warmer maximum temperatures, peaking at 14°C (57°F) compared to February's 13°C (56°F). Precipitation levels are nearly identical, with December recording 103 mm (4.1 in) over 16 days and February having 101 mm (4.0 in) across 15 days. Humidity also remains high in both months, rising from 83% in December to 85% in February. For a more detailed look at what to expect, check out the link: Blarney weather in February.

December and March weather exhibit some similarities and differences that characterize the transition between late autumn and early spring. In December, temperatures range from a low of -2°C (28°F) to a high of 14°C (57°F), while March temperatures see a slightly wider range from -6°C (21°F) to 16°C (61°F). Both months experience around 16 days of precipitation, but December has a higher total rainfall of 103 mm (4.1 in) compared to March's 83 mm (3.3 in). The humidity levels remain comparable, with December at 83% and March slightly higher at 84%. This information highlights how March, while still cool, offers a hint of warmth compared to the chillier December. For those looking for detailed information, you can check Blarney weather in March.

In December, temperatures typically range from a chilly -2°C (28°F) to a mild maximum of 14°C (57°F), with an average temperature of around 7°C (45°F). The month is characterized by higher precipitation, averaging 103 mm (4.1 in) spread over 16 days, contributing to the high humidity of 83%.

In contrast, April sees slightly warmer temperatures, with minimums still dipping to -2°C (29°F) but averaging 9°C (48°F) and peaking at 18°C (65°F). This month experiences lower precipitation levels, totaling 72 mm (2.8 in) over 11 days, while humidity remains similar at 84%. For a more detailed look at April weather, you can explore Blarney weather in April.

Overall, while both months can start cold, April brings more warmth and less rain compared to the wet and cool December.

In December, the weather tends to be quite chilly with temperatures ranging from a minimum of -2°C (28°F) to a maximum of 14°C (57°F) and an average of 7°C (45°F). It is also relatively wet, with 103 mm (4.1 in) of precipitation occurring over 16 days and an humidity level of 83%. In stark contrast, May brings milder and more pleasant conditions, with temperatures ranging from a minimum of 0°C (31°F) to a maximum of 23°C (74°F), averaging around 11°C (52°F). Precipitation decreases to 74 mm (2.9 in) over just 12 days, while humidity remains similarly high at 84%. For more insights on how delightful the weather can be in May, visit Blarney weather in May.

In December, the weather is considerably cooler, with temperatures ranging from a minimum of -2°C (28°F) to a maximum of 14°C (57°F), and an average of 7°C (45°F). The month experiences significant precipitation, averaging 103 mm (4.1 in) over 16 days, accompanied by a humidity level of 83%. In contrast, June brings warmer temperatures, with a minimum of 5°C (41°F), an average of 14°C (57°F), and a maximum reaching 27°C (80°F). Precipitation in June is lower, averaging 60 mm (2.4 in) over just 11 days, while humidity rises slightly to 85%. For more details, you can check Blarney weather in June.

In December, the weather tends to be quite chilly, with temperatures ranging from a low of -2°C (28°F) to a maximum of 14°C (57°F) and an average of 7°C (45°F). Precipitation is more frequent during this month, with 103 mm (4.1 in) falling over 16 days, and humidity levels are relatively high at 83%. In contrast, July brings much warmer temperatures, with lows of 7°C (44°F) and highs reaching 26°C (79°F), averaging around 16°C (61°F). The month sees less rainfall, with 63 mm (2.5 in) over 12 days, and humidity remains similar at 85%. For more details on July weather, you can visit Blarney weather in July.

In December, the weather is significantly cooler, with temperatures ranging from a minimum of -2°C (28°F) to a maximum of 14°C (57°F), while average temperatures sit around 7°C (45°F). This month experiences about 103 mm (4.1 in) of precipitation over approximately 16 days, coupled with high humidity at 83%. In contrast, August offers milder conditions, with temperatures ranging from a minimum of 6°C (43°F) to a comfortable maximum of 24°C (75°F) and an average temperature of 15°C (60°F). The precipitation in August is slightly less, at 89 mm (3.5 in) over 15 days, with humidity at a comparable level of 84%. For more detailed insights about the weather in August, you can explore Blarney weather in August.

In December, temperatures tend to be significantly cooler, with a minimum of -2°C (28°F) and an average of 7°C (45°F), while September enjoys milder conditions with a minimum of 2°C (36°F) and an average of 13°C (57°F). The maximum temperature in December reaches only 14°C (57°F), compared to a much warmer 24°C (76°F) in September. Precipitation is also more frequent in December, averaging 103 mm (4.1 in) over 16 days, whereas September experiences less rain, totaling 69 mm (2.7 in) across 12 days. Humidity levels remain relatively high in both months, with December at 83% and September slightly higher at 85%. For more details on weather conditions, you can visit Blarney weather in September.

In comparing the weather between October and December, we observe notable differences in both temperature and precipitation. December experiences colder temperatures, with a minimum of -2°C (28°F) and an average of 7°C (45°F), compared to October's milder minimum of 0°C (33°F) and an average of 11°C (52°F). While both months bring considerable precipitation, December has slightly higher levels at 103 mm (4.1 in) over 16 days, whereas October sees 95 mm (3.7 in) of rainfall across 13 days. Additionally, humidity remains relatively high in both months, with December at 83% and October slightly higher at 86%. For more information about October weather, you can refer to Blarney weather in October.

Comparing the weather in December to that of November reveals some notable differences. December experiences slightly lower temperatures, with a minimum of -2°C (28°F) and an average temperature of 7°C (45°F), while November has a minimum of -1°C (30°F) and an average of 8°C (47°F). Additionally, December is wetter, receiving 103 mm (4.1 in) of precipitation over 16 days, compared to November's 79 mm (3.1 in) over 13 days. Humidity levels are similar, with December at 83% and November slightly higher at 84%. For more detailed insights, you can check Blarney weather in November.

Compare Blarney's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Blarney

December in Blarney brings a distinct chill as temperatures dip, with averages around 7°C and occasional lows reaching -2°C. This month marks a noticeable transition from the milder conditions of autumn, with increased precipitation and higher humidity levels making the air feel particularly damp. The festive season often feels more pronounced, as 16 days of rainfall contribute to a serene, if somewhat soggy, winter atmosphere. For those eager to explore Blarney during this time, be prepared for the elements and consider the clothing layers you'll need for a cozy visit. For more detailed insights into the overall climate, check out Blarney Climate.