December Weather in Clifden, Ireland

Last updated: March 17, 2025

December in Clifden, Ireland showcases a crisp yet inviting climate, with maximum temperatures reaching a pleasant 13°C (55°F) and dipping to a chilly 0°C (32°F) at night. The average temperature settles around 8°C (46°F), providing a cool backdrop for the festive season. Visitors can expect significant rainfall, accumulating to 164 mm (6.4 in) over the month, typically across 22 rainy days, which contributes to the area's lush green landscape. With overall humidity levels at 79%, the air feels fresh and invigorating, making December a uniquely atmospheric time to explore this charming coastal town.

December Temperature in Clifden

In Clifden, Ireland, December usher in the full embrace of winter, with temperatures typically ranging from a chilly 0°C (32°F) at night to a modest 13°C (55°F) during the day. This month's average temperature hovers around 8°C (46°F), making it cooler than the previous months, but still relatively mild compared to the harsher January temperatures that follow. As autumn transitions into winter, you can expect cold snaps, particularly in the early mornings, while the mild maximums provide a hint of respite. Overall, December's temperatures serve as a gentle reminder of the season's arrival, offering a picturesque setting for those who enjoy crisp coastal air and the charm of winter festivities.

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

The chart illustrates December temperature patterns in Clifden, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec454545485255585856524846
Data source: Temperature data for Clifden 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 Clifden

In December, Clifden, Ireland experiences one of its rainiest months, with precipitation reaching 164 mm (6.4 in) over approximately 22 days of rainfall. This makes December the wettest month of the year, surpassing even October's substantial totals. The trend throughout the year shows a marked increase in precipitation from the drier spring months, particularly April and May, which see just 65 mm (2.5 in) and 77 mm (3.0 in) respectively. As the year draws to a close, December's substantial rainfall, alongside its frequent rain days, underscores Clifden’s reputation for a wet and vibrant winter season, where the lush landscape thrives under the persistent oceanic influence.

December Precipitation Trends in Clifden

The chart displays monthly precipitation patterns in Clifden, 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.
JanFebMarAprMayJunJulAugSepOctNovDec107152117657791105151112163151164
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Clifden

In Clifden, Ireland, December brings a notable dip in humidity, measuring at 79%, which marks a continuation of the slight downward trend observed since the summer months. Throughout the year, humidity peaks in the warmer months, with July and August showing the highest levels at 87% and 86%, respectively. As autumn sets in, humidity gradually decreases, dropping from 86% in May to 82% in October, before settling at its lowest point in December. This seasonal fluctuation underscores Clifden's maritime climate, where the moisture-laden air of summer gives way to deceptively crisp winter conditions, inviting visitors to experience the town’s enchanting charm during this cooler, yet refreshing, time of year.

December Average Humidity in Clifden

This chart illustrates the average monthly humidity levels in Clifden, 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.
JanFebMarAprMayJunJulAugSepOctNovDec79%81%80%81%86%85%87%86%85%82%80%79%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Clifden

In Clifden, Ireland, the December UV Index drops to a low value of 1, indicating minimal sun exposure risk with a burn time of 45 minutes. This trend of lower UV levels begins in late autumn, continuing through winter, as seen from the data for January and February, where the indices remain at similar low levels. The UV Index begins to peak in spring and summer months, reaching highs of 7 to 8 in May through July, demonstrating a significant seasonal shift. As the year winds down, the UV exposure risk decreases once again, emphasizing the importance of adjusting sun protection habits throughout the year. For more details, explore the complete Clifden UV Index.

Maximum UV Index Levels in Clifden for December

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

In Clifden, Ireland, December brings a gentle descent into shorter days, offering just 92 hours of sunshine. This marks a notable dip compared to the previous months, where sunshine hours peak in the spring and early summer; for instance, May shines brightly with 402 hours. As the year progresses from January's modest 71 hours to April's vibrant 320 hours, it's clear that Clifden experiences a significant boost in sunlight leading into the warmer months. However, as autumn arrives, the days shorten dramatically, dwindling to 114 hours in November before hitting December's low. This pattern highlights the seasonal ebb and flow of sunshine in Clifden, revealing nature's rhythm and the allure of cozy winter days.

Monthly Sunshine Duration in Clifden: December Highlighted

The December sunshine duration represents the total number of hours Clifden 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.
JanFebMarAprMayJunJulAugSepOctNovDec71h136h189h320h402h383h385h349h289h226h114h92h
Data source: Clifden December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Clifden During December

In December, Clifden, Ireland, experiences a rather *limited chance of sunshine, with the likelihood dropping to a mere 15%. This trend of dwindling sunny days begins in November and continues its downward trajectory, reflecting the typical transition into winter. Interestingly, while the early months of the year—particularly April—boast a comparatively cheerful 45% chance of sun, December stands out as one of the cloudiest periods. As the year winds down, residents and visitors alike may want to brace for overcast skies and chilly temperatures, making the fleeting moments of sunshine all the more precious.

Percentage of Sunny Days in December in Clifden

The chart illustrates the percentage of sunny days in Clifden 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 Clifden experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec27%22%16%45%38%17%23%23%16%18%23%15%
Data source: Clifden December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Clifden in December

In Clifden, Ireland, the daylight duration experiences a dramatic seasonal transformation. Starting from a modest 7 hours in December, the days gradually lengthen as winter gives way to spring, peaking at an impressive 16 hours during the longest days of June and July. This gradual increase creates a vibrant atmosphere as spring awakens, with March and April seeing significant jumps to 11 and 14 hours, respectively. However, as autumn arrives, daylight begins to wane again, tapering off to 8 hours in November and again to just 7 hours in December. This rhythmic cycle of light not only marks the progression of the seasons but also enriches Clifden’s unique charm throughout the year.

Average Daylight Hours in Clifden for December

The chart illustrates the variation in daylight duration in Clifden throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 6m9h 49m11h 54m14h 2m15h 55m16h 55m16h 23m14h 41m12h 37m10h 30m8h 35m7h 33m
Data source: Clifden daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Clifden

As December wraps Clifden, Ireland, in a brisk embrace, the average wind speed climbs to 6.9 m/s (15 mph), marking a notable increase as the year comes to a close. This winter month shows a distinct upward trend in wind speed compared to the calmer summer months, where July recorded the lowest averages at 3.6 m/s (8 mph). The winds pick up momentum from October and November, both of which hovered around 6.4 m/s (14 mph), suggesting that autumn's transition into winter brings a refreshing intensity to the coastal breeze. As temperatures dip and the holiday season approaches, the gusty winds serve as a reminder of nature's ever-changing rhythm along Ireland's stunning coastline.

Average December Wind Speed in Clifden

The chart displays monthly wind speed patterns in Clifden, 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.
JanFebMarAprMayJunJulAugSepOctNovDec5.37.96.54.95.15.13.64.64.66.26.46.9 m/s
Data source: Clifden December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Clifden Compares to Other Months

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

In December, temperatures typically range from a minimum of 0°C (32°F) to a maximum of 13°C (55°F), with an average temperature of 8°C (46°F). The month is marked by considerable rainfall, totaling 164 mm (6.4 in) over approximately 22 days, while humidity remains consistent at around 79%. In contrast, January experiences slightly cooler temperatures, with a minimum of -1°C (31°F) and an average of 7°C (45°F), but it maintains a similar maximum of 13°C (56°F). Precipitation decreases to 107 mm (4.2 in) over 17 days, yet humidity levels remain unchanged at 79%. For a more detailed look at conditions, you can check Clifden weather in January.

December and February weather exhibit some notable differences, despite being close in proximity within the winter season. In December, temperatures generally range from a minimum of 0°C (32°F) to a maximum of 13°C (55°F), with an average of 8°C (46°F). The month sees significant precipitation, measuring 164 mm (6.4 in) over about 22 days, alongside a humidity level of 79%. In contrast, February experiences slightly colder conditions with temperatures dipping to a minimum of -2°C (28°F) and peaking at 14°C (57°F), averaging 7°C (45°F). Precipitation is also a bit lower at 152 mm (6.0 in) across 21 days, while humidity rises slightly to 81%. For a closer look at February weather, you can check Clifden weather in February.

December and March offer distinct weather experiences. In December, temperatures range from a chilly 0°C (32°F) minimum to a mild 13°C (55°F) maximum, with an average of 8°C (46°F). The month experiences significant precipitation, totaling 164 mm (6.4 in) over 22 days, and maintains a high humidity level of 79%. In contrast, March shows slightly cooler temperatures, with a minimum of -4°C (25°F) and an average of 7°C (45°F), peaking at 16°C (60°F). Precipitation decreases to 117 mm (4.6 in) across 20 days while maintaining a similar humidity level at 80%. For more detailed information on conditions during this month, visit Clifden weather in March.

December and April present contrasting weather patterns. In December, temperatures range from a chilly 0°C (32°F) to a mild maximum of 13°C (55°F), with an average of 8°C (46°F). This month experiences significant rainfall, totaling 164 mm (6.4 in) over 22 days, coupled with a humidity level of 79%. In contrast, April offers a slightly warmer climate, with temperatures starting at 0°C (32°F) and peaking at 18°C (65°F), averaging around 9°C (48°F). Precipitation is notably lower in April, amounting to just 65 mm (2.5 in) over 12 days, while humidity remains high at 81%. For more detailed information, you can check out Clifden weather in April.

December and May exhibit contrasting weather patterns, with December typically being colder and wetter than May. In December, temperatures range from a chilly 0°C (32°F) to a maximum of 13°C (55°F), accompanied by significant precipitation of 164 mm (6.4 in) over about 22 days, and an average humidity of 79%. In contrast, May experiences milder temperatures, with a minimum of 1°C (34°F) and a pleasant maximum of 22°C (72°F). The month sees reduced rainfall, totaling 77 mm (3.0 in) across 14 days, and slightly higher humidity at 86%. For more information, you can check Clifden weather in May.

December and June exhibit stark contrasts in weather patterns. December temperatures range from a chilly minimum of 0°C (32°F) to a mild maximum of 13°C (55°F), accompanied by significant precipitation of 164 mm (6.4 in) spread over 22 days and an average humidity of 79%. In contrast, June brings warmer weather, with temperatures starting from a minimum of 6°C (42°F) and peaking at a comfortable 26°C (79°F). The month sees reduced rainfall, with only 91 mm (3.6 in) over 17 days, coupled with slightly higher humidity at 85%. For more detailed information, you can visit Clifden weather in June.

December and July present stark contrasts in weather patterns. December experiences cooler temperatures, with a minimum of 0°C (32°F) and a maximum of 13°C (55°F), while July enjoys milder conditions, ranging from a minimum of 8°C (47°F) to a pleasant maximum of 27°C (80°F). Additionally, December sees higher precipitation levels at 164 mm (6.4 in) over 22 days, compared to July's 105 mm (4.1 in) across 18 days. Humidity levels also vary, with December at 79% and July slightly higher at 87%. For a detailed look at July weather in Clifden, you can visit Clifden weather in July.

In December, temperatures are notably cooler, with averages around 8°C (46°F) and maximums reaching only 13°C (55°F). In contrast, August showcases significantly warmer conditions, with average temperatures around 15°C (59°F) and highs of 22°C (72°F). Both months experience similar levels of precipitation, with December receiving 164 mm (6.4 in) and August slightly less at 151 mm (6.0 in), each spread over about 22 days. However, humidity remains higher in August at 86%, compared to December's 79%. For a more detailed look at August weather in Clifden, visit Clifden weather in August.

In comparing the weather patterns of December and September, notable contrasts emerge. December experiences cooler temperatures, with a minimum of 0°C (32°F) and an average of 8°C (46°F), while September offers more moderate conditions, starting at a minimum of 4°C (40°F) and climbing to an average of 13°C (56°F) during the day. The maximum temperatures in September can reach 24°C (75°F), providing a much warmer atmosphere compared to December's peak of only 13°C (55°F). Furthermore, while December sees higher precipitation levels of 164 mm (6.4 in) spread over 22 days, September has a lower total of 112 mm (4.4 in) across 20 days. Humidity remains consistent, with September averaging 85% and December slightly lower at 79%. For a closer look at what to expect during the month of September, you can check Clifden weather in September.

In comparing the weather between October and December, we see distinct differences in temperature and humidity. October tends to be slightly milder, with average temperatures ranging from a minimum of 2°C (36°F) to a maximum of 18°C (65°F), while December's temperatures are cooler, with a range of 0°C (32°F) to 13°C (55°F). Precipitation levels are quite similar, with both months receiving around 164 mm (6.4 in) over approximately 22 days, although December's humidity is slightly lower at 79%, compared to October's 82%. For a detailed look at what to expect in October, you can visit Clifden weather in October.

In comparison to November, December experiences slightly cooler temperatures, with a minimum of 0°C (32°F) compared to November's 1°C (33°F). The average temperature in December is 8°C (46°F), which is just a degree lower than November's average of 9°C (48°F). However, December sees increased rainfall, with 164 mm (6.4 in) over 22 days, compared to November's 151 mm (6.0 in) over 20 days. Humidity remains relatively consistent, hovering around 79% in December and 80% in November. For more details on November weather, you can visit Clifden weather in November.

Compare Clifden's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Clifden

As December arrives in Clifden, the weather transforms into a unique blend of chilly temperatures and frequent precipitation, marking a distinct departure from the milder months of autumn. With an average temperature hovering around 8°C, the days are crisp, while nights can dip to freezing. This month sees a significant increase in humidity and rainfall, with almost three-quarters of the month experiencing wet conditions, making it one of the wetter months of the year. If you're planning a visit, prepare for a hearty mix of Irish winter charm and beautiful landscapes cloaked in mist. For a comprehensive look at what to expect throughout the year, explore the details on Clifden Climate.