December Weather in Cahersiveen, Ireland

Last updated: March 17, 2025

December in Cahersiveen, Ireland brings a cool maritime climate, characterized by a maximum temperature of 13°C (56°F) and a chilly minimum of 1°C (34°F). The month records an average temperature of 8°C (47°F), making it ideal for those who enjoy brisk winter air. However, be prepared for frequent rain, as 188 mm (7.4 in) of precipitation falls over 23 days, contributing to a humidity level of 79%. It's a time when the landscape becomes lush and vibrant, wrapped in the misty charm that defines this coastal town.

December Temperature in Cahersiveen

As winter settles in, Cahersiveen experiences a gradual drop in temperatures throughout December, with minimums averaging around 1°C (34°F). The average temperature hovers at 8°C (47°F), offering a brisk but manageable chill, while the maximums reach approximately 13°C (56°F), providing a hint of warmth amidst the cool sea air. This month marks a transition from the milder autumn months of November, as you can see from the slight decrease in temperatures, creating a cozy atmosphere perfect for enjoying the enchanting scenery of this Irish coastal town. With an average high of just over 13°C, December invites a festive spirit, ideal for exploring Cahersiveen’s charming streets while bundled up against the refreshing winter breeze.

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

The chart illustrates December temperature patterns in Cahersiveen, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec454646495356605957534847
Data source: Temperature data for Cahersiveen 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 Cahersiveen

In December, Cahersiveen experiences a notable increase in precipitation, recording 188 mm (7.4 in) of rain over 23 days. This trend marks the wettest month of the year, surpassing the precipitation amounts of both November and October, which had 158 mm (6.2 in) and 171 mm (6.7 in) respectively. December's consistent rainfall contributes to the overall wet climate of the region, where rain is a frequent visitor throughout the fall and winter months. The increase in wet days and total rainfall during December highlights the transition into a more saturated weather pattern, indicative of the nearing winter season and its accompanying storms.

December Precipitation Trends in Cahersiveen

The chart displays monthly precipitation patterns in Cahersiveen, 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.
JanFebMarAprMayJunJulAugSepOctNovDec11317113776858187149116171158188
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

December Humidity in Cahersiveen

As December arrives in Cahersiveen, the humidity levels begin to taper off, falling to 79%—a slight decrease from the higher averages recorded earlier in the year. This month’s humidity marks a transition from the peak levels seen during the summer, where July and August lingered around 87%, creating a lush and verdant landscape. The trend shows a gradual decline from the summer months, with November's 80% serving as a precursor to December's lower readings. As the year draws to a close, the cooler, crisper air of winter starts to settle in, offering a refreshing change from the more humid conditions of the warmer months.

December Average Humidity in Cahersiveen

This chart illustrates the average monthly humidity levels in Cahersiveen, 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%82%81%82%86%86%87%86%84%82%80%79%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Cahersiveen

In Cahersiveen, Ireland, the UV Index showcases a notable seasonal variation throughout the year. Beginning in the winter months, the index remains low in January and February at 1 and 2, respectively, allowing for safe, extended outdoor activities with a burn time of 45 minutes. As spring arrives, the UV exposure increases, peaking in the summer with values reaching 8 in June and July, signaling a very high risk of harm from unprotected sun exposure with a short burn time of just 15 minutes. Interestingly, the index trends downward as autumn sets in, dipping to 2 in November before returning to 1 in December, mirroring the winter's low risk levels. This cyclical pattern emphasizes the importance of sun protection in Cahersiveen, particularly during the sunnier months. For more detailed information on UV exposure in this picturesque locale, check out the Cahersiveen UV Index.

Maximum UV Index Levels in Cahersiveen for December

The chart shows the monthly maximum UV Index (UVI) for Cahersiveen 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.
JanFebMarAprMayJunJulAugSepOctNovDec124678875421
Data source: Cahersiveen 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 Cahersiveen

Cahersiveen, Ireland, experiences a captivating ebb and flow of sunshine throughout the year, with December capturing the essence of winter's charm. The holiday season sees the town cloaked in a gentle hush, receiving just 87 hours of sunlight, a notable dip from the vibrant spring and summer months when hours peaked at over 300. As the year winds down, this natural cycle reminds us of the cozy indoor gatherings that winter often brings, contrasting sharply with the sun-drenched days of May and June. December's limited daylight is a tender invitation to appreciate the warm glow of family fires and the festive spirit that lights up the long nights, emphasizing the beauty found in both the sunlit days of summer and the tranquil shadows of winter.

Monthly Sunshine Duration in Cahersiveen: December Highlighted

The December sunshine duration represents the total number of hours Cahersiveen 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.
JanFebMarAprMayJunJulAugSepOctNovDec77h130h183h301h377h353h350h328h281h214h118h87h
Data source: Cahersiveen December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Cahersiveen During December

In Cahersiveen, Ireland, December sees a modest 19% chance of sunny weather, reflecting a general trend of declining sunlight as the year winds down. While the chances of sunny days are higher in the spring, peaking at 45% in April, the winter months tend to bring a veil of grey, with December showing a stark contrast to the brighter days of earlier months. As we move through the year, the percentage of sunny days dips after October, underscoring the typical Irish climate's whimsical nature, where brief moments of sun are treasured amid the often damp and overcast conditions. Thus, while December may not offer much in the way of sunshine, it embodies the charm of winter in Ireland, inviting cozy fires and hearty gatherings regardless of the weather outside.

Percentage of Sunny Days in December in Cahersiveen

The chart illustrates the percentage of sunny days in Cahersiveen 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 Cahersiveen experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec28%21%20%45%32%21%28%23%19%20%24%19%
Data source: Cahersiveen December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Cahersiveen in December

As the year draws to a close in Cahersiveen, Ireland, December brings the shortest daylight duration, with only 7 hours of sunlight—a stark contrast to the long, bright days of summer when daylight peaks at 16 hours in June and July. This seasonal shift illustrates the rhythmic ebb and flow of light throughout the year, beginning with 8 hours in January, gradually increasing to a vibrant 15 hours by May. However, as autumn sets in, daylight dwindles back to its winter low, mirroring nature's cycle of rest and renewal. The charming charm of Cahersiveen shines through even in these darker months, highlighting the cozy allure of winter evenings.

Average Daylight Hours in Cahersiveen for December

The chart illustrates the variation in daylight duration in Cahersiveen 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 56m15h 41m16h 37m16h 7m14h 32m12h 35m10h 35m8h 47m7h 49m
Data source: Cahersiveen daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Cahersiveen

As December arrives in Cahersiveen, Ireland, the winds begin to stir with a noticeable intensity, averaging 6.3 m/s (14 mph)—a peak for the year. This marks a shift from the summer months, where winds were at their calmest, with July experiencing the gentlest breezes at only 3.6 m/s (8 mph). As the winter months progress, wind speeds generally increase, suggesting a seasonal boost in activity that culminates in December. Following the consistent patterns of November, which saw winds at 5.2 m/s (12 mph), the gusts in December herald the approach of winter, wrapping the landscape in a brisk chill that beckons both adventure and comfort indoors. The dynamic contrast across the months highlights the ever-changing nature of the Irish weather, inviting residents and visitors alike to embrace its spirited charm.

Average December Wind Speed in Cahersiveen

The chart displays monthly wind speed patterns in Cahersiveen, 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.
JanFebMarAprMayJunJulAugSepOctNovDec5.07.35.54.45.14.53.64.14.15.45.26.3 m/s
Data source: Cahersiveen December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Cahersiveen Compares to Other Months

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

December and January weather exhibit some notable differences. In December, temperatures range from a minimum of 1°C (34°F) to a maximum of 13°C (56°F), with an average of 8°C (47°F). This month experiences significant precipitation, totaling 188 mm (7.4 in) over 23 days, and maintains a high humidity level of 79%. In contrast, January's temperatures dip slightly, with a minimum of -1°C (30°F) and an average of 7°C (46°F), but reach a similar maximum of 14°C (57°F). Rainfall is reduced to 112 mm (4.4 in) across 16 days, while humidity remains constant at 79%. For more detailed information, you can visit Cahersiveen weather in January.

In December, temperatures generally range from a minimum of 1°C (34°F) to a maximum of 13°C (56°F), with an average of 8°C (47°F). This month sees significant precipitation, totaling 188 mm (7.4 in) across 23 days, contributing to a humidity level of 79%. In contrast, February experiences slightly colder temperatures, with minimums dipping to -2°C (30°F) but maintaining an average of 8°C (46°F) and a maximum of 14°C (57°F). Precipitation is also lower in February, at 171 mm (6.7 in) over 21 days, accompanied by a modest increase in humidity to 82%. For more detailed information on February weather, you can refer to Cahersiveen weather in February.

December and March present noticeably different weather conditions, despite having similar average temperatures. In December, temperatures range from a chilly 1°C (34°F) to a milder 13°C (56°F), accompanied by high humidity at 79% and considerable precipitation totaling 188 mm (7.4 in) over 23 days. In contrast, March experiences slightly colder minimum temperatures, dipping to -5°C (24°F), while daytime highs can reach up to 16°C (62°F). The overall precipitation is less in March, with 137 mm (5.4 in) over 20 days, and humidity remains slightly higher at 81%. For a more detailed look at March weather, you can visit Cahersiveen weather in March.

December and April showcase distinct weather patterns, reflecting the transition from winter to spring. In December, temperatures range from a minimum of 1°C (34°F) to a maximum of 13°C (56°F), with an average of 8°C (47°F). The month is quite wet, receiving 188 mm (7.4 in) of precipitation over 23 days, while humidity remains relatively high at 79%. In contrast, April sees slightly warmer conditions, with temperatures ranging from 1°C (35°F) to 17°C (64°F), and an average of 9°C (49°F). Precipitation decreases significantly to 76 mm (3.0 in) over 13 days, with humidity slightly up at 82%. For more insights into April's weather specifics, you can check out Cahersiveen weather in April.

December and May present contrasting weather patterns, with December characterized by cooler temperatures and higher precipitation. In December, temperatures range from a minimum of 1°C (34°F) to a maximum of 13°C (56°F), with an average of 8°C (47°F). The month sees significant rainfall, totaling 188 mm (7.4 in) over 23 days, and a humidity level of 79%. In contrast, May offers a milder climate with temperatures starting at a minimum of 3°C (37°F) and peaking at 21°C (71°F), averaging 11°C (53°F). Rainfall is notably less in May, amounting to 85 mm (3.4 in) across 16 days and a slightly higher humidity of 86%. For more detailed information, you can visit Cahersiveen weather in May.

In comparing the weather between December and June, December features significantly cooler temperatures, with minimums dipping to around 1°C (34°F) and average highs reaching only 13°C (56°F). This month also sees a considerable amount of precipitation, totaling 188 mm (7.4 in) over 23 days, coupled with a humidity level of 79%. In contrast, June boasts notably warmer weather, with minimum temperatures starting at 7°C (45°F) and averaging a maximum of 27°C (81°F). Additionally, June has reduced precipitation levels at 81 mm (3.2 in) over 17 days, yet higher humidity at 86%. For those interested in more detailed information about June weather, you can visit Cahersiveen weather in June.

In December, the weather is significantly cooler, with average temperatures ranging from a chilly 1°C (34°F) to a mild 13°C (56°F), while July offers much warmer conditions, with temperatures typically between 9°C (49°F) and a comfortable 27°C (81°F). December experiences more precipitation, totaling 188 mm (7.4 in) over 23 days, compared to July’s 87 mm (3.4 in) over 17 days. Additionally, humidity levels are slightly higher in July at 87%, while December sees a humidity of 79%. For a closer look at what to expect, check out this link: Cahersiveen weather in July.

December and August present contrasting weather patterns. In December, temperatures range from a chilly 1°C (34°F) at night to a mild 13°C (56°F) during the day, with an average of 8°C (47°F). This month is characterized by relatively high precipitation, with 188 mm (7.4 in) recorded over 23 days, and a humidity level of 79%. In stark contrast, August enjoys warmer temperatures, with lows of 9°C (48°F) and highs reaching 21°C (71°F), averaging around 15°C (59°F). While it sees slightly less rainfall at 149 mm (5.9 in) over the same number of days, humidity levels are notably higher at 86%. For more detailed insights, you can check out Cahersiveen weather in August.

In comparing the weather of December and September, significant differences become evident. December experiences cooler temperatures, with a minimum of 1°C (34°F) and an average of 8°C (47°F), while September boasts a more moderate climate, with a minimum of 5°C (41°F) and an average of 14°C (57°F). The maximum temperature in September can reach up to 26°C (79°F), providing a stark contrast to December's peak of only 13°C (56°F). Precipitation levels also vary, with December receiving a considerable 188 mm (7.4 in) over 23 days, compared to September's lower total of 116 mm (4.6 in) across 19 days. Furthermore, humidity is slightly higher in September at 84%, compared to December's 79%. For more details on September weather, check out this link: Cahersiveen weather in September.

December weather tends to be cooler and wetter compared to October. While December has an average temperature of 8°C (47°F), with minimums dropping to 1°C (34°F) and maximums reaching 13°C (56°F), October presents slightly milder conditions with averages around 11°C (53°F) and a range from 4°C (39°F) to 17°C (63°F). Additionally, December experiences more precipitation, with 188 mm (7.4 in) over 23 days, compared to October's 171 mm (6.7 in) across 20 days. Humidity levels are also quite high in both months, although December's 79% is slightly lower than October's 82%. For a closer look at October weather specifics, visit Cahersiveen weather in October.

In comparing the weather between November and December, it is evident that December tends to be slightly cooler, with an average temperature of 8°C (47°F) compared to November's average of 9°C (49°F). The minimum temperatures in December are also slightly lower, averaging 1°C (34°F), while November has a minimum of 2°C (35°F). Precipitation increases in December, accumulating to 188 mm (7.4 in) over 23 days, compared to November's 158 mm (6.2 in) over 19 days. Interestingly, both months maintain similar humidity levels, with December at 79% and November at 80%. For more detailed insights into November's weather, you can check out Cahersiveen weather in November.

Compare Cahersiveen's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Cahersiveen

As December descends upon Cahersiveen, it brings a distinct shift in weather compared to the milder months preceding it. With temperatures dipping to an average of 8°C, this month showcases the chill of winter, contrasting sharply with the more temperate conditions of autumn. The high humidity at 79% and frequent rain—spanning 23 days and totaling 188 mm—further contribute to December's drizzly atmosphere. While the warmth of summer feels like a distant memory, the unique charm of Cahersiveen's winter landscape invites cozy experiences that are truly special. For a more comprehensive look at how December fits into the broader climate trends, visit Cahersiveen Climate.