December Weather in Carrickfergus, United Kingdom

Last updated: March 17, 2025

In December, Carrickfergus experiences a chilly winter embrace, with maximum temperatures reaching around 13°C (55°F) and an average of 7°C (45°F). The bite of cold is palpable as the minimum temperature dips to 2°C (36°F). This month also sees a significant amount of precipitation, totaling 118 mm (4.7 in) over approximately 18 days, painting the landscape in a festive yet damp atmosphere. Coupled with a high humidity level of 86%, December in Carrickfergus invites cozy gatherings and warm cups of tea as the community enjoys the charms of winter.

December Temperature in Carrickfergus

In Carrickfergus, December marks the onset of winter, with temperatures reflecting the chill of the season. The month typically witnesses a minimum of 2°C (36°F), providing a crisp backdrop for festive celebrations. On average, the temperature hovers around 7°C (45°F), creating a cool but manageable climate for outdoor activities. Despite the drop, daytime highs can reach up to 13°C (55°F), offering occasional respite from the cold. As December transitions into winter, the temperatures gradually decline when compared to the milder conditions of November, aligning with seasonal trends that see Carrickfergus embrace its enchanting winter charm.

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

The chart illustrates December temperature patterns in Carrickfergus, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec434344465055575856524845
Data source: Temperature data for Carrickfergus 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 Carrickfergus

In December, Carrickfergus experiences a notable peak in precipitation, with 118 mm (4.7 in) of rain falling over 18 days. This marks a slight decrease from the preceding month of November, which recorded 128 mm (5.1 in) over 21 days. The trend throughout the year shows a gradual progression of rainfall, with the summer months of July and August often being the wettest, presenting the highest totals. December's rainfall is typical for the season, as it joins the ranks of other wet winter months while ensuring the region remains lush and vibrant as it transitions into the new year. Notably, with the frequent rainy days, residents brace themselves for a wet end to the year, setting the stage for a promising start to spring.

December Precipitation Trends in Carrickfergus

The chart displays monthly precipitation patterns in Carrickfergus, 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.
JanFebMarAprMayJunJulAugSepOctNovDec781119445699310812995125129118
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Carrickfergus

In December, Carrickfergus, United Kingdom, experiences an average humidity of 86%, continuing a trend of high moisture that peaks during the late autumn and early winter months. After a steady climb through the fall, where humidity levels rise from 88% in September to a notable 90% in November, December sees a slight dip yet remains consistent with the higher readings experienced throughout the year. This pattern reflects the region's generally humid climate, particularly as the colder months draw in. Despite the reduction from the peak of November, December’s humidity is still comparable to the summer months, notably July and August, both at 86%, indicating that Carrickfergus maintains its characteristic dampness year-round.

December Average Humidity in Carrickfergus

This chart illustrates the average monthly humidity levels in Carrickfergus, 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.
JanFebMarAprMayJunJulAugSepOctNovDec87%86%86%85%82%84%86%86%88%89%90%87%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Carrickfergus

In December, Carrickfergus experiences a return to its cooler, less intense sunny days, with a UV Index of 1, indicating a low level of solar intensity. This trend reflects the gradual decline in UV exposure as winter settles in, following the comparatively high levels seen in summer months, peaking at 8 in June and July. Throughout the year, the UV Index varies significantly, with moderate values in spring and autumn giving way to high levels in summer, before tapering back down. As December sets in, residents can enjoy outdoor activities with minimal risk of sunburn, as the burn time extends back to a comfortable 45 minutes. For more insights on UV trends in this charming coastal town, visit Carrickfergus UV Index.

Maximum UV Index Levels in Carrickfergus for December

The chart shows the monthly maximum UV Index (UVI) for Carrickfergus 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.
JanFebMarAprMayJunJulAugSepOctNovDec123568865321
Data source: Carrickfergus 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 Carrickfergus

In Carrickfergus, December ushers in a brisk retreat from the longer, sun-drenched days of summer, offering just 90 hours of sunshine. The month stands out as one of the least sunny, with light dwindling significantly from the year's peak in May and July, where residents basked in over 400 hours of radiant sunshine. As autumn progresses into winter, the trend highlights a clear decline in daylight, dropping dramatically from 120 hours in November. Despite the limited sunlight, December’s crisp air and festive spirit provide a unique charm, encouraging both locals and visitors to embrace the beauty of this tranquil coastal town even as the days grow shorter.

Monthly Sunshine Duration in Carrickfergus: December Highlighted

The December sunshine duration represents the total number of hours Carrickfergus 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.
JanFebMarAprMayJunJulAugSepOctNovDec82h153h221h334h413h409h415h361h302h233h120h90h
Data source: Carrickfergus December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Carrickfergus During December

As the year winds down, December in Carrickfergus takes a notable turn in weather patterns, with a mere 15% chance of sunny days. This marks a sharp decline from the spring months, where sunshine chances peak at 48% in April. Following the relatively brighter early months, the likelihood of sunny weather diminishes as autumn progresses, culminating in November's 19%. The trend reflects the typical winter pattern in this UK coastal town, characterized by cooler temperatures and increased cloud cover. While December may usher in a festive spirit, potential sun seekers might need to temper their expectations for bright skies.

Percentage of Sunny Days in December in Carrickfergus

The chart illustrates the percentage of sunny days in Carrickfergus 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 Carrickfergus experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec26%25%21%48%34%25%34%22%22%19%19%15%
Data source: Carrickfergus December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Carrickfergus in December

In Carrickfergus, United Kingdom, December marks a return to shorter days, with daylight lasting about 7 hours. This trend of dwindling daylight begins in late autumn, as the month of November offers only an additional hour of light. As winter sets in, the daylight hours shrink from the long, sunlit days of summer—where June boasts a generous 17 hours—to the stark brevity of December. Following the peak of summer, daylight progressively declines, reflecting the seasonal shift that envelops this coastal town in tranquil darkness. Even as December draws to a close, the rhythm of nature hints at the gradual return of longer days ahead, leading into the hopeful brighter months of spring.

Average Daylight Hours in Carrickfergus for December

The chart illustrates the variation in daylight duration in Carrickfergus throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec7h 52m9h 42m11h 54m14h 9m16h 9m17h 13m16h 38m14h 49m12h 39m10h 25m8h 23m7h 17m
Data source: Carrickfergus daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Carrickfergus

As December settles in Carrickfergus, the coastal town experiences an average wind speed of 6.6 m/s (15 mph), a slight uptick compared to the preceding months. This pattern reflects a typical winter trend, where winds often pick up in intensity after a series of milder autumn breezes. Notably, December's wind speed remains higher than both the calm summer months and the softer gales of late spring and early summer, which hover around 3 to 5 m/s. As the year draws to a close, the winds serve as a reminder of winter's embrace, creating a dynamic atmosphere that contrasts with the tranquility of earlier months. The consistent breeze in December marks the shift to a more robust weather pattern, setting the stage for the chilly months ahead.

Average December Wind Speed in Carrickfergus

The chart displays monthly wind speed patterns in Carrickfergus, 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.
JanFebMarAprMayJunJulAugSepOctNovDec6.08.46.04.65.24.93.43.94.26.16.96.6 m/s
Data source: Carrickfergus December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Carrickfergus Compares to Other Months

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

In comparing the weather between December and January, we find that both months experience similar temperature ranges, with December averaging 7°C (45°F) and January slightly cooler at 6°C (44°F). December boasts a higher minimum temperature of 2°C (36°F) compared to January's 1°C (33°F), while the maximum temperatures remain consistent at around 13°C (55-56°F). Precipitation is more prominent in December, with 118 mm (4.7 in) over 18 days, compared to January's 78 mm (3.1 in) across 14 days. Humidity levels are quite similar, with December at 86% and January slightly higher at 87%. For a more detailed look at monthly conditions, refer to Carrickfergus weather in January.

December and February share similar weather patterns, with both months experiencing mild winter temperatures and high humidity levels at around 86%. December begins with slightly higher average temperatures, ranging from a minimum of 2°C (36°F) to a maximum of 13°C (55°F), compared to February's minimum of 1°C (33°F) and maximum of 12°C (54°F). Precipitation is also a notable aspect in both months, with December receiving 118 mm (4.7 in) over 18 days, while February sees a slightly lower total of 111 mm (4.4 in) across 16 days. For a closer look at February weather specifics, check out Carrickfergus weather in February.

In December, the weather is generally cool with temperatures ranging from a minimum of 2°C (36°F) to a maximum of 13°C (55°F), averaging around 7°C (45°F). This month also sees considerable precipitation, with around 118 mm (4.7 in) falling over 18 days and consistent humidity at 86%.

In contrast, March experiences slightly colder minimum temperatures, dropping to -2°C (29°F), yet the maximum temperature can reach 14°C (57°F), with a similar average of 7°C (44°F). Precipitation is lighter in March, totaling 94 mm (3.7 in) across 17 days while maintaining the same humidity level of 86%.

For more details, you can check Carrickfergus weather in March.

When comparing the weather in December and April, notable differences emerge. December starts with a minimum temperature of 2°C (36°F) and averages around 7°C (45°F), peaking at a maximum of 13°C (55°F). The month is characterized by significant precipitation, averaging 118 mm (4.7 in) over 18 days, and humidity levels are high at 86%. In contrast, April offers slightly warmer conditions, with an average temperature of 8°C (47°F), a maximum of 14°C (58°F), and the same minimum of 2°C (36°F). However, it is much drier, receiving only 45 mm (1.8 in) of rain over 10 days, and maintaining a similar humidity level of 85%. For more detailed information on April's weather, you can check Carrickfergus weather in April.

December and May present quite different weather experiences. In December, temperatures range from a chilly 2°C (36°F) at night to a milder 13°C (55°F) during the day, accompanied by significant rainfall totaling 118 mm (4.7 in) over about 18 days, with a high humidity of 86%. In contrast, May offers a more pleasant climate, with temperatures starting at a minimum of 4°C (40°F) and reaching a comfortable 17°C (62°F) at the peak of the day. Rainfall also decreases significantly to 69 mm (2.7 in) across 12 days, while humidity is slightly lower at 82%. For more details on May weather, you can check out Carrickfergus weather in May.

December and June exhibit distinctly different weather patterns. In December, the temperatures range from a chilly 2°C (36°F) at night to a mild 13°C (55°F) during the day, with an average of 7°C (45°F). The month experiences significant precipitation, totaling 118 mm (4.7 in) over about 18 days, accompanied by high humidity at 86%. In contrast, June sees a rise in temperatures, with minimums of 8°C (47°F) and maximums reaching 19°C (66°F), averaging 13°C (55°F). Precipitation in June is lower at 93 mm (3.7 in) across 15 days, and humidity is slightly decreased at 84%. For more specific weather details, visit Carrickfergus weather in June.

In December, the weather tends to be chillier, with temperatures ranging from a minimum of 2°C (36°F) to a maximum of 13°C (55°F) and an average of 7°C (45°F). The month is characterized by more frequent rainfall, accumulating 118 mm (4.7 in) over 18 days, all while maintaining a high humidity level of 86%. In contrast, July offers a milder climate, with temperatures ranging from a minimum of 9°C (49°F) to a maximum of 20°C (69°F) and an average of 14°C (58°F). Although July experiences slightly less precipitation at 108 mm (4.2 in) over 15 days, the humidity remains consistent at 86%. For more detailed information, you can visit Carrickfergus weather in July.

December and August present quite different weather profiles. In December, temperatures range from a minimum of 2°C (36°F) to a maximum of 13°C (55°F), contributing to an average of 7°C (45°F). This month experiences considerable rainfall, with 118 mm (4.7 in) falling over 18 days, while the humidity remains relatively high at 86%. In contrast, August showcases milder temperatures, with lows of 10°C (51°F) and highs reaching 19°C (66°F), averaging 14°C (58°F). Rainfall is slightly higher at 129 mm (5.1 in) across 19 days, but the humidity remains consistent at 86%. For more details on the weather during this summer month, you can check out Carrickfergus weather in August.

In comparing the weather between December and September, December tends to be significantly colder, with average temperatures ranging from a minimum of 2°C (36°F) to a maximum of 13°C (55°F), while September enjoys milder temperatures, with a minimum of 8°C (46°F) and a maximum of 20°C (68°F). Precipitation is also more prevalent in December, averaging 118 mm (4.7 in) over 18 days, compared to September's 95 mm (3.8 in) over 17 days. Additionally, December's humidity levels are slightly lower at 86%, while September experiences higher humidity at 88%. For more specific details about September weather, you can check Carrickfergus weather in September.

In comparing the weather between December and October, we see distinct differences in both temperature and precipitation patterns. October tends to be milder, with average temperatures ranging from a minimum of 5°C (41°F) to a maximum of 17°C (63°F), while December is cooler, with average temperatures from 2°C (36°F) to 13°C (55°F). Both months experience significant rainfall, with October receiving slightly more precipitation at 125 mm (4.9 in) compared to December's 118 mm (4.7 in), although they have similar numbers of rainy days—19 in October and 18 in December. Humidity levels are also quite high, peaking at 89% in October and nearing that at 86% in December. For a detailed look at October’s weather, you can visit Carrickfergus weather in October.

In comparing the weather between December and November, December tends to be slightly cooler, with average temperatures ranging from a minimum of 2°C to a maximum of 13°C, compared to November's 3°C to 14°C range. Additionally, December experiences slightly less precipitation than November, receiving 118 mm over 18 days, while November has 128 mm over 21 days. Humidity levels are also marginally lower in December at 86%, compared to November's 90%. For more details on November weather, you can visit Carrickfergus weather in November.

Compare Carrickfergus's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Carrickfergus

In December, Carrickfergus experiences a notable shift in weather compared to the milder months of the year. With temperatures dipping to an average of 7°C and a consistent presence of humid air, the month is marked by increased precipitation, seeing around 18 rainy days throughout. This results in a characteristic chill that encourages cozy indoor activities and festive preparations. As the year draws to a close, December's weather creates a unique and often picturesque backdrop for the holiday season, inviting both locals and visitors to embrace the charm of the season. For a detailed overview of what to expect, check out Carrickfergus Climate.