December Weather in Llansteffan, United Kingdom

Last updated: March 17, 2025

December in Llansteffan, United Kingdom, ushers in a chill that grips the coastal village, with temperatures ranging from a cool maximum of 13°C (55°F) to a brisk minimum of 0°C (32°F). The month is marked by a damp atmosphere, as precipitation accumulates to 165 mm (6.5 in) over 20 rainy days, contributing to a high humidity level of 89%. This blend of conditions creates a cozy backdrop for winter festivities, where sporadic sunshine is often eclipsed by overcast skies and drizzles, inviting locals and visitors alike to embrace the charm of Llansteffan's winter landscape.

December Temperature in Llansteffan

In Llansteffan, United Kingdom, December embraces the heart of winter with temperatures that begin to dip into the chilly range. The minimum temperature hovers around 0°C (32°F), providing a crisp start to the month, while the average temperature lingers at a modest 8°C (47°F), hinting at the cool yet mild conditions typical for this time of year. The maximum temperature, reaching up to 13°C (55°F), can offer moments of respite from the cold. As December progresses, the weather reflects a gradual shift from the more temperate conditions seen in late autumn, with averages suggesting a steady descent toward winter’s chill. Overall, the temperatures evoke a cozy atmosphere, perfect for enjoying the festive season wrapped in warm layers.

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

The chart illustrates December temperature patterns in Llansteffan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec444445495359626158544946
Data source: Temperature data for Llansteffan 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 Llansteffan

In December, Llansteffan experiences its peak precipitation of the year, with a striking 165 mm (6.5 in) of rain, making it both the wettest month and a defining feature of the local climate. The increase in rainfall is accompanied by a notable rise in precipitation days, reaching 20 days, indicating that residents often expect a good dose of winter showers. This trend of elevated rainfall contrasts sharply with the milder, drier conditions of April and May. The overall pattern of wet winters is evident, emphasizing the region's reputation for lush landscapes, but also suggesting that those who venture outdoors should come prepared for the elements during this time of year.

December Precipitation Trends in Llansteffan

The chart displays monthly precipitation patterns in Llansteffan, 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.
JanFebMarAprMayJunJulAugSepOctNovDec8912010659839684126106152143165
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Llansteffan

As December settles over Llansteffan, the air remains thick with humidity, measuring a notable 89%. This figure closely mirrors the preceding months of October and November, which see 89% and 90% respectively, indicating a trend of high moisture content as winter deepens. In contrast to the warm summer months, where humidity dips to around 70% in July, December’s levels suggest a return to the damp conditions typical of the late autumn season. As the year ends, the coastal charm of Llansteffan is enveloped in a chilly, moist embrace, setting the stage for a cozy winter atmosphere.

December Average Humidity in Llansteffan

This chart illustrates the average monthly humidity levels in Llansteffan, 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.
JanFebMarAprMayJunJulAugSepOctNovDec89%88%86%84%80%80%70%73%79%89%90%89%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Llansteffan

As December rolls into Llansteffan, the UV Index drops to a low level of 1, mirroring the trend seen in January and November. With a burn time of 45 minutes, residents and visitors can enjoy the brisk winter air without the worry of sunburn. This gentle end to the year contrasts sharply with the summer months, where UV levels peaked at 8, demanding more caution and shorter exposure times. The gradual decline from the year's highest indices reminds us of the protective embrace of winter. For more information on UV levels throughout the year, check out Llansteffan UV Index.

Maximum UV Index Levels in Llansteffan for December

The chart shows the monthly maximum UV Index (UVI) for Llansteffan 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.
JanFebMarAprMayJunJulAugSepOctNovDec124678876421
Data source: Llansteffan 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 Llansteffan

As the year in Llansteffan comes to a close, December brings a noticeable dip in sunshine, with only 114 hours of bright days to bid farewell to the year. This pattern of declining daylight is evident as we transition from November, which offers a modest 138 hours of sun, down to the less luminous December. Interestingly, this seasonal ebb is framed by an impressive peak during the summer months, where July shines the brightest with 422 hours. The progression from the lush sunlight of May and June with over 400 hours each, seamlessly transitions to the cooler tones of autumn and winter, revealing Llansteffan's dynamic climate. As we look forward to the new year, the gradual return of longer days holds the promise of brighter skies ahead.

Monthly Sunshine Duration in Llansteffan: December Highlighted

The December sunshine duration represents the total number of hours Llansteffan 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.
JanFebMarAprMayJunJulAugSepOctNovDec97h157h229h341h409h401h422h379h313h245h138h114h
Data source: Llansteffan December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Llansteffan During December

In December, Llansteffan, United Kingdom, experiences a modest 22% chance of sunny weather, marking one of the lower probabilities for sun compared to the rest of the year. This trend aligns with the more overcast conditions seen in late autumn; as we transition from November's 24% chance to the depths of winter, the potential for sun continues to dwindle. Interestingly, the sunnier months are clustered mostly in the spring and early summer, peaking in April at 52%, suggesting that while December may not offer much in the way of sunshine, warmer months provide a refreshing contrast with brighter skies. Thus, if you're hoping for a sunny day in December in Llansteffan, it's wise to manage your expectations as the winter chill sets in.

Percentage of Sunny Days in December in Llansteffan

The chart illustrates the percentage of sunny days in Llansteffan 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 Llansteffan experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec27%24%30%52%33%27%40%35%27%20%24%22%
Data source: Llansteffan December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Llansteffan in December

As the year draws to a close, December in Llansteffan, United Kingdom, offers a noticeable dip in daylight duration, averaging a mere 7 hours. This marks a stark contrast to the longer, sun-drenched days of summer when daylight peaks at 16 hours in June and July. Following the gradual decline from the vibrant light of May, where days extend to 15 hours, the increasing shadow settles in as autumn transitions to winter. With each month, daylight ebbs away, reflecting nature’s rhythm. As the winter solstice approaches, residents can find solace in the cozy atmosphere brought by the longer nights, while anticipating the renewal of light that comes with the arrival of spring.

Average Daylight Hours in Llansteffan for December

The chart illustrates the variation in daylight duration in Llansteffan throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 22m9h 57m11h 55m13h 55m15h 40m16h 35m16h 5m14h 31m12h 35m10h 35m8h 48m7h 51m
Data source: Llansteffan daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Llansteffan

As the year draws to a close, December in Llansteffan presents a notable shift in wind patterns, with an average wind speed of 6.4 m/s (14 mph), making it one of the windier months of the year. This increase follows a month of relatively gentle breezes in November, where the average wind speed dipped to 5.1 m/s (11 mph). Observing the yearly trend, it's clear that winter months tend to bring stronger winds, culminating in December's brisk conditions, reminiscent of the sharper gusts found earlier in October. These refreshing winds not only enhance the coastal charm of Llansteffan but also signal the transition into the colder months, encouraging both locals and visitors to embrace the invigorating sea air.

Average December Wind Speed in Llansteffan

The chart displays monthly wind speed patterns in Llansteffan, 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.
JanFebMarAprMayJunJulAugSepOctNovDec5.66.75.74.15.24.03.64.64.06.15.16.4 m/s
Data source: Llansteffan December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Llansteffan Compares to Other Months

The weather in Llansteffan 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 Llansteffan 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 of 8°C (47°F). The month sees considerable precipitation, with about 165 mm (6.5 in) falling over 20 days and maintaining a high humidity of 89%. In contrast, January experiences slightly cooler temperatures, with a minimum of -2°C (29°F) and an average of 7°C (44°F), peaking at 14°C (57°F). Precipitation decreases significantly to 89 mm (3.5 in) spread over 13 days, while humidity remains relatively stable at 88%. For more details on the weather in January, you can visit Llansteffan weather in January.

December and February present a distinct contrast in weather patterns, though both months are relatively cool and damp. In December, temperatures range from a minimum of 0°C (32°F) to a maximum of 13°C (55°F), with an overall average of 8°C (47°F). This month sees considerable precipitation, totaling around 165 mm (6.5 in) over about 20 days, and high humidity at 89%. In comparison, February experiences slightly colder temperatures, ranging from a minimum of -2°C (28°F) to a maximum of 14°C (57°F), with an average of 7°C (45°F). Precipitation drops to 120 mm (4.7 in) spread over 16 days, while humidity remains similar at 88%. For more detailed information, check this link: Llansteffan weather in February.

December and March present distinct contrasts in weather patterns. In December, temperatures range from a chilly minimum of 0°C (32°F) to a maximum of 13°C (55°F), with an average of 8°C (47°F). This month experiences significant rainfall, accumulating to 165 mm (6.5 inches) over approximately 20 days, accompanied by high humidity levels of 89%. In contrast, March offers a more variable climate, with temperatures dipping slightly lower, ranging from -5°C (24°F) to a maximum of 16°C (60°F), and averaging around 7°C (46°F). Although precipitation is less frequent, totaling 106 mm (4.2 inches) over 17 days, humidity remains relatively high at 86%. For a more detailed look at March weather, you can refer to Llansteffan weather in March.

December and April present notable contrasts in weather. In December, temperatures range from a chilly 0°C (32°F) at their lowest to a maximum of 13°C (55°F), with an average of 8°C (47°F). The month is characterized by significant precipitation, averaging 165 mm (6.5 in) over 20 days, and the humidity is a high 89%. In comparison, April experiences slightly milder temperatures, with lows of 0°C (32°F) and highs reaching 19°C (66°F), averaging around 9°C (49°F). Precipitation decreases to 59 mm (2.3 in), occurring over just 10 days, and humidity is moderately lower at 84%. To learn more about the weather specifics in April, you can visit Llansteffan weather in April.

December and May present a striking contrast in weather conditions. In December, temperatures range from a chilly 0°C (32°F) to a maximum of 13°C (55°F), with an average of 8°C (47°F). The month is characterized by high humidity at 89% and significant precipitation, totaling 165 mm (6.5 in) over about 20 days. In contrast, May offers a more pleasant climate, with temperatures starting at a minimum of 3°C (38°F) and reaching up to 22°C (72°F), averaging 12°C (53°F). Rainfall is lighter in May, amounting to 83 mm (3.3 in) over just 12 days, and humidity is slightly lower at 80%. For more details on the delightful weather in May, you can explore Llansteffan weather in May.

When comparing the weather in December and June, notable differences in temperature and precipitation emerge. December experiences cooler temperatures, with averages hovering around 8°C (47°F) and maximums reaching only 13°C (55°F). In contrast, June basks in warmer conditions, with average temperatures about 15°C (59°F) and highs that can soar to 25°C (77°F). Precipitation is more frequent in December, with 165 mm (6.5 inches) falling over 20 days, compared to June's 96 mm (3.8 inches) over just 15 days. Additionally, December boasts higher humidity levels at 89%, while June's humidity is slightly lower at 80%. For further insights, you can explore Llansteffan weather in June.

December and July showcase contrasting weather patterns, highlighting the seasonal shifts in Llansteffan. In December, temperatures range from a chilly minimum of 0°C (32°F) to a maximum of 13°C (55°F), with an average of 8°C (47°F). The month is quite damp, experiencing significant precipitation of 165 mm (6.5 in) over 20 days and high humidity levels at 89%. In contrast, July offers much milder conditions, with temperatures ranging from a comfortable minimum of 9°C (49°F) to a pleasant maximum of 26°C (78°F) and an average of 17°C (62°F). This summer month is drier as well, with only 84 mm (3.3 in) of rainfall spread over 13 days and lower humidity at 70%. For more details, you can check Llansteffan weather in July.

When comparing the weather of December and August, distinct differences emerge. December typically experiences colder temperatures, with a minimum of 0°C (32°F) and an average of 8°C (47°F), while August boasts a much warmer climate, with a minimum of 10°C (50°F) and an average of 16°C (61°F). Precipitation in December is also more frequent, totaling 165 mm (6.5 in) over 20 days, compared to August’s 126 mm (5.0 in) across 17 days. Additionally, December’s humidity is notably higher at 89%, while August enjoys a more comfortable 73% humidity level. For those interested in more specific conditions, you can view detailed statistics on the weather in Llansteffan for August here: Llansteffan weather in August.

December and September present quite a contrast in weather patterns. In December, temperatures are cooler, ranging from a chilly 0°C (32°F) at night to a mild 13°C (55°F) during the day, while humidity peaks at a high 89%. The month also experiences significant rainfall, with about 165 mm (6.5 in) spread over 20 days. In contrast, September is notably warmer, with temperatures fluctuating from a minimum of 6°C (43°F) to a comfortable maximum of 25°C (77°F). Precipitation is less frequent, totaling 106 mm (4.2 in) over just 15 days and accompanied by lower humidity levels at 79%. For more detailed insights into weather conditions during September, check out Llansteffan weather in September.

When comparing the weather between October and December, October exhibits milder temperatures, with an average of 12°C (54°F) and maximum highs reaching 20°C (68°F), while December is notably cooler, with averages around 8°C (47°F). Both months share a similar level of humidity at 89%, but December experiences increased precipitation levels, totaling 165 mm (6.5 in) over approximately 20 rainy days compared to October's 152 mm (6.0 in) spread over 17 days. This shift signifies a transition into the colder and wetter conditions typical of winter. For more detailed insights into October's climate, you can refer to Llansteffan weather in October.

December tends to be slightly cooler and wetter than November, with average temperatures dipping from 9°C (49°F) in November to 8°C (47°F) in December. The maximum temperature also decreases from 15°C (60°F) to 13°C (55°F), while the minimum drops from 1°C (34°F) to 0°C (32°F). December receives more precipitation overall, with 165 mm (6.5 in) compared to November's 143 mm (5.6 in), and it is also a day longer with precipitation recorded on about 20 days in December versus 19 days in November. Humidity levels remain high in both months, but December's average humidity of 89% slightly edges out November's 90%. For more specifics on November weather, you can check Llansteffan weather in November.

Compare Llansteffan's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Llansteffan

As December settles over Llansteffan, the weather takes on a distinct character, marked by cooler temperatures and increased precipitation compared to other months. With average highs around 8°C (47°F) and frequent dips toward freezing, the chill in the air is palpable. The month is notably humid, often culminating in 20 days of precipitation that results in a cumulative total of 165 mm (6.5 in). This makes December one of the wettest months, creating a fresh, crisp environment that contrasts sharply with the milder conditions experienced in fall. For a deeper understanding of the overall climate trends in this charming coastal village, explore Llansteffan Climate.