December Weather in Wicklow, Ireland

Last updated: March 17, 2025

December in Wicklow, Ireland, brings a blend of brisk temperatures and atmospheric charm. The maximum temperature often reaches a mild 13°C (56°F), while the average hovers around 7°C (46°F), providing a refreshing contrast to the crisp winter air. Nightfall can plunge conditions to a chilly 1°C (34°F), making warm layers essential for outdoor ventures. Rainfall is significant, with 121 mm (4.8 in) of precipitation spread over approximately 15 days, contributing to the lush greenery Wicklow is known for. Coupled with an average humidity of 84%, the persistent moisture adds to the enchanting, misty ambiance of the season, inviting visitors to experience the serenity of this beautiful region.

December Temperature in Wicklow

As December rolls in, Wicklow, Ireland, showcases a gentle transition into winter, with temperatures averaging 7°C (46°F). The month starts with a minimum of 1°C (34°F), nudging slightly above freezing, while daytime highs reach a comfortable 13°C (56°F). Compared to the brisk fall months preceding it, December's climate reflects a slight cooling trend, yet remains relatively mild for the season. This balanced weather creates a charming atmosphere perfect for exploring Wicklow's stunning landscapes, adorned with winter hues and festive cheer. Embrace the crisp air while enjoying the cozy ambiance of this picturesque destination during the holiday season.

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

The chart illustrates December temperature patterns in Wicklow, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec444444475156595957534845
Data source: Temperature data for Wicklow 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 Wicklow

In Wicklow, Ireland, December continues the trend of increasing precipitation that characterizes the late autumn months. With 121 mm (4.8 in) of rain falling over 15 days, December follows November's peak of 136 mm (5.4 in) and maintains the region's reputation for damp weather. The late-year months show a notable spike, as rainfall increases progressively from the drier spring months, highlighting the transition into winter. This steady accumulation not only blankets the landscape in lush greenery but also prepares the area for the colder, wetter January ahead, where average precipitation drops slightly to 71 mm (2.8 in) but still keeps the rainy pattern alive.

December Precipitation Trends in Wicklow

The chart displays monthly precipitation patterns in Wicklow, 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.
JanFebMarAprMayJunJulAugSepOctNovDec7198925267767910284108137122
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Wicklow

In December, humidity in Wicklow, Ireland, settles at a refreshing 84%, marking a slight dip from the preceding months that consistently hovered around 86%. This month reveals a pattern where humidity remains relatively high throughout the year, with only minor fluctuations. **Notably, the highest levels appeared in October at 87%, while summer months like July and August also maintained high humidity readings. Overall, Wicklow’s winter months showcase a comforting, if not damp, climate, inviting residents and visitors alike to cozy up and enjoy the serene beauty of the Irish landscape.

December Average Humidity in Wicklow

This chart illustrates the average monthly humidity levels in Wicklow, 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.
JanFebMarAprMayJunJulAugSepOctNovDec85%86%86%85%83%85%86%85%86%87%87%84%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Wicklow

In Wicklow, Ireland, the December UV Index hovers at a low level of 1, indicating minimal sun exposure risk with a burn time of approximately 45 minutes. This trend is consistent with the preceding months, where the UV Index generally declines from the moderate levels seen in spring, peaking at 8 during the height of summer in June and July. As autumn sets in, UV levels decrease further, with November dropping to 2 before stabilizing again in December. This seasonal pattern highlights the importance of being sun-safe during the high summer months while enjoying the comparatively lower UV exposure of winter. For more detailed information about UV levels throughout the year, visit Wicklow UV Index.

Maximum UV Index Levels in Wicklow for December

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

In Wicklow, Ireland, the sunlight throughout the year paints an intriguing picture, especially noticeable in December when the total sunshine dips to a modest 101 hours. While the year begins with a mere 87 hours in January, a steady upward trend emerges as spring arrives, culminating in vibrant June and July, where the sun generously graces the region with over 400 hours. This sunny peak, however, gives way to a gradual decline beginning in August, leading to shorter daylight hours as the year winds down. By December, the daylight hours dwindle further, but the festive spirit remains vibrant against a backdrop of crisp winter air, inviting both residents and visitors to savor the beauty of Wicklow, albeit with a bit less sunshine.

Monthly Sunshine Duration in Wicklow: December Highlighted

The December sunshine duration represents the total number of hours Wicklow 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.
JanFebMarAprMayJunJulAugSepOctNovDec87h153h207h329h408h401h403h361h308h237h127h101h
Data source: Wicklow December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Wicklow During December

In Wicklow, Ireland, the likelihood of sunny weather in December is relatively low at 23%, echoing the trend of decreasing sunshine through the late months of the year. Following April's promising peak of 49%, the chances taper off, with October and November also showing diminished sunlight at 21% and 27%, respectively. As we move into December, the sun becomes more elusive, aligning with the typically overcast winter months. While the holiday season sparks hope for sunny days, residents and visitors should prepare for the likelihood of grey skies more than radiant sunshine during this time.

Percentage of Sunny Days in December in Wicklow

The chart illustrates the percentage of sunny days in Wicklow 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 Wicklow experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec25%22%25%49%33%27%36%28%24%21%27%23%
Data source: Wicklow December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Wicklow in December

As December settles over Wicklow, Ireland, the daylight hours reach their annual low, offering just 7 hours of light each day. This marks a significant decline from the 16 hours enjoyed during the vibrant summer months of June and July. The transition from autumn to winter highlights a steady decrease in daylight, with November already experiencing 8 hours. Despite the darker days, the gradual ebb of light serves as a reminder of the natural cycles, paving the way for the longer, brighter days ahead as the year turns towards spring. As the sun dips earlier, evenings become cozier, inviting moments of reflection and warmth during the holidays.

Average Daylight Hours in Wicklow for December

The chart illustrates the variation in daylight duration in Wicklow throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 11m9h 51m11h 54m14h15h 51m16h 49m16h 18m14h 38m12h 36m10h 31m8h 39m7h 38m
Data source: Wicklow daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Wicklow

As December unfolds in Wicklow, Ireland, the average wind speed reaches 6.6 m/s (15 mph), reflecting a slight uptick from the previous month. This wintery breeze is part of a broader trend toward higher wind speeds in the late year, peaking in February at 7.9 m/s (18 mph). Interestingly, the overall pattern suggests a gradual decline from the gusty months of autumn, where October experienced its own notable winds at 6.7 m/s (15 mph). As the temperatures drop and the festive spirit picks up, December’s winds invigorate the landscape, serving as a reminder of the shifting seasons and the unpredictable beauty of Wicklow's winter weather.

Average December Wind Speed in Wicklow

The chart displays monthly wind speed patterns in Wicklow, 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.
JanFebMarAprMayJunJulAugSepOctNovDec6.27.96.04.55.14.83.44.74.16.76.36.6 m/s
Data source: Wicklow December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Wicklow Compares to Other Months

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

December and January in Wicklow showcase a similar range of temperatures, with December experiencing an average of 7°C (46°F) and January slightly cooler at 6°C (44°F). Both months feature maximum temperatures reaching up to 13°C (55°F), but December is slightly warmer at night, with a minimum of 1°C (34°F) compared to January's 0°C (33°F). Precipitation is notably higher in December, accumulating 121 mm (4.8 in) over 15 days, while January sees a decrease to 71 mm (2.8 in) across 11 days. Humidity remains fairly consistent, with January at 85% and December at 84%. For more details, check out Wicklow weather in January.

December and February exhibit similar temperature ranges, with both months featuring average highs of 13°C (56°F) and lows just above freezing. However, December tends to be slightly wetter, receiving 121 mm (4.8 in) of precipitation over 15 days, while February sees reduced rainfall at 98 mm (3.9 in) across 16 days. Humidity levels remain high in both months, with February being slightly more humid at 86% compared to December's 84%. For more detailed insights into February's weather, you can visit Wicklow weather in February.

When comparing December and March weather, December tends to be milder in terms of average temperature, sitting at around 7°C (46°F), while March starts off cooler with a minimum temperature of -3°C (26°F). Both months feature a similar number of rainy days, with 15 days of precipitation; however, December sees significantly more rain, averaging 121 mm (4.8 in), compared to March's 92 mm (3.6 in). Humidity levels are also quite high in both months, with December at 84% and March slightly higher at 86%. For more detailed insight into March conditions in Wicklow, you can refer to the following link: Wicklow weather in March.

In December, the weather is cooler with average temperatures ranging from a minimum of 1°C (34°F) to a maximum of 13°C (56°F), while April sees a slight increase with averages between 1°C (35°F) and 15°C (59°F). Precipitation levels are significantly higher in December, totaling 121 mm (4.8 in) over 15 days, compared to April's 52 mm (2.1 in) across 11 days. Humidity remains relatively consistent, with December at 84% and April rising slightly to 85%. For more detailed weather information, you can visit Wicklow weather in April.

In December, the weather is considerably cooler, with average temperatures ranging from 1°C to 13°C, accompanied by high humidity levels of 84%. The month experiences significant precipitation, averaging 121 mm over 15 days, making it a wet and chilly time of the year. In contrast, May sees milder temperatures between 3°C and 17°C, with an average of 11°C, and a more manageable rainfall of 67 mm spread over 12 days. Humidity remains relatively stable at 83%, but the overall feel is more pleasant and spring-like. For a more detailed look at May weather, you can check Wicklow weather in May.

In December, the weather is significantly cooler, with temperatures ranging from a chilly 1°C (34°F) to a maximum of 13°C (56°F) and averaging around 7°C (46°F). This month also sees considerable precipitation, totaling 121 mm (4.8 in) over approximately 15 days, coupled with high humidity at 84%. In contrast, June brings milder temperatures, with a minimum of 8°C (46°F) and a maximum of 19°C (66°F), averaging 13°C (56°F). The total precipitation is lower at 76 mm (3.0 in) over 13 days, and humidity remains slightly elevated at 85%. For a detailed look at weather conditions, you can check Wicklow weather in June.

In December, temperatures in Wicklow range from a chilly minimum of 1°C (34°F) to a maximum of 13°C (56°F), with an average of 7°C (46°F). The month sees considerable precipitation, totaling 121 mm (4.8 in) over about 15 days, coupled with high humidity of 84%. In contrast, July boasts milder temperatures, with a minimum of 10°C (50°F), an average of 15°C (59°F), and a maximum of 20°C (68°F). Precipitation is lighter at 79 mm (3.1 in) over 13 days, while humidity remains slightly elevated at 86%. For more specific details on July weather, you can check out Wicklow weather in July.

When comparing the weather in December and August, distinct differences become apparent. December experiences cooler temperatures, with averages around 7°C (46°F) and maximums only reaching 13°C (56°F), while August offers a more mild climate with an average temperature of 15°C (60°F) and highs reaching up to 20°C (69°F). Additionally, December tends to be wetter, receiving 121 mm (4.8 in) of precipitation over 15 days, compared to August's 102 mm (4.0 in) across the same number of days. Humidity is relatively similar in both months, hovering around 84% in December and slightly higher at 85% in August. For more specific insights into August weather, you can refer to Wicklow weather in August.

When comparing the weather in December to that of September, notable differences emerge in both temperature and precipitation. December tends to be cooler, with average temperatures ranging from a minimum of 1°C (34°F) to a maximum of 13°C (56°F), while September enjoys milder conditions with averages from 7°C (44°F) to 20°C (68°F). Furthermore, December experiences more rainfall, with 121 mm (4.8 in) spread over 15 days compared to September's 84 mm (3.3 in) over 14 days. Humidity levels are fairly similar, with December at 84% and September slightly higher at 86%. For a more detailed look at this month, you can visit Wicklow weather in September.

In comparing December and October weather, it is evident that December is colder, with average temperatures ranging from a minimum of 1°C (34°F) to a maximum of 13°C (56°F), while October enjoys a milder climate with temperatures between 4°C (40°F) and 17°C (63°F). Precipitation levels are somewhat similar, with December receiving 121 mm (4.8 in) over 15 rainy days, compared to October’s 108 mm (4.3 in) across 16 days. Both months exhibit high humidity, but October is slightly more humid at 87%, compared to December's 84%. For more detailed insights, you can visit Wicklow weather in October.

In comparing the weather of December and November, we see a noticeable drop in temperatures, with December ranging from a minimum of 1°C to a maximum of 13°C, while November typically registers a minimum of 2°C and a maximum of 15°C. Precipitation is also slightly less in December, totaling 121 mm over 15 days, compared to November’s 136 mm spread across 19 days. Humidity remains relatively high in both months, averaging 84% in December and 86% in November. For more details on November's conditions, you can visit Wicklow weather in November.

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Conclusion: What to Expect From December Weather in Wicklow

As December settles over Wicklow, the weather takes a distinct turn compared to the milder months preceding it. The chill becomes more pronounced, with average temperatures dipping, while the frequent rains contribute to the month’s higher precipitation levels and humidity. This blend of cooler air and moisture not only transforms the landscape into a lush, green haven but also sets the stage for the festive spirit of winter. For those yearning to understand Wicklow's climate throughout the year, check out the detailed insights at Wicklow Climate.