Last updated: March 17, 2025
December in Llandeilo, United Kingdom, presents a chilly yet captivating landscape, with temperatures ranging from a brisk -4°C (26°F) at night to a maximum of 12°C (55°F) during the day. This month, the average temperature hovers around 6°C (43°F), providing a refreshing, cool atmosphere. Rainfall is frequent, with 166 mm (6.5 in) of precipitation spread over 20 days, contributing to a humid environment at 89%. The combination of cool temperatures and consistent moisture creates a unique charm, making December a picturesque time of year in this quaint Welsh town.
As December settles in Llandeilo, temperatures begin to showcase the region's crisp winter charm. The month typically experiences a minimum temperature around -4°C (26°F), while the average hovers at a chilly 6°C (43°F), peaking at a moderate 12°C (55°F) during the day. This marks a slight downward trend from the milder autumn months of October and November, where temperatures were notably higher. The transition into winter is evident as the days grow shorter and the air becomes brisk, inviting the festive spirit to flourish amidst the serene backdrop of the Welsh countryside. Bundle up and enjoy the cozy atmosphere that December brings, as winter's embrace starts to take hold.
In December, Llandeilo experiences its highest precipitation of the year, with an impressive 166 mm (6.5 in) of rainfall, coupled with 20 rainy days. This marks a notable increase from the preceding months, reflecting a trend where late autumn transitions into winter often bring heavier downpours. The rainfall peaks in October and December, suggesting a seasonal pattern of increased moisture, likely influenced by the region's maritime climate. With these characteristics, December not only concludes the year on a wet note but also sets the stage for the lingering dampness of winter, making it a significant month for local weather patterns.
In Llandeilo, United Kingdom, December carries a notable humidity of 89%, closely following the trend set by the preceding months of October and November, which exhibit even higher levels at 89% and 90% respectively. Throughout the year, humidity levels show a general decline from the winter months, peaking in January and February at a consistent 88%. As the seasons transition toward spring and summer, humidity experiences a gradual decrease, reaching its lowest in July at 70%, only to rise again as autumn approaches. This fluctuation highlights Llandeilo’s characteristic dampness, particularly evident during the winter months, enriching the local atmosphere.
As December rolls in Llandeilo, the UV Index drops to 1, categorizing exposure as low for the month. This trend reflects a steady decline in UV intensity from the summer months, where readings peaked at 8 in both June and July, demanding only 15 minutes of exposure before risk of burning. As we transition into winter, the burn time increases to a comfortable 45 minutes, echoing the patterns observed in January and February. This seasonal shift not only highlights the importance of sun safety during warmer months but also assures residents that the winter sun poses minimal risk. For more detailed insights and updates, visit Llandeilo UV Index.
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In Llandeilo, the pattern of sunshine hours reflects the charm of the changing seasons. December, with its 101 hours of sunlight, marks a gentle transition from the longer, brighter days of summer. As the year closes, the sunshine is less abundant compared to the peak months of May and July, which boast a remarkable 400 and 412 hours, respectively. The winter months lull into shorter days, but December still offers a glimmer of optimism. As the days progressively lengthen from January's modest 89 hours onwards, one can almost feel the anticipation for spring's vibrant return. The overall trend showcases a rhythmic ebb and flow, inviting residents and visitors alike to appreciate each moment of light in this picturesque corner of the UK.
In Llandeilo, the likelihood of sunny weather in December stands at 19%, a figure that mirrors the trend observed in the preceding months—particularly January and February, which also boast a modest chance of sunshine at 19% each. As the year progresses towards spring, the probability of sunny days significantly increases, with April reaching a peak of 52%. However, December tends to maintain the gloomy atmosphere typical of late autumn, as both October and November have similar low percentages of sunshine at 16% and 23%, respectively. Overall, December's weather paints a picture of cool, overcast days with only fleeting glimpses of sunshine, characteristic of the UK winter.
As the year winds down in Llandeilo, December brings with it the shortest days, offering just 7 hours of daylight. This marks a notable decline from the 8 hours typical in November, continuing the trend of diminishing daylight as winter approaches. Throughout the year, daylight progressively increases from a mere 8 hours in January to a peak of 16 hours in June and July, showcasing the vibrant transition from the darker months to the bright summer days. As autumn fades and winter sets in, the gradual decline in daylight serves as a reminder of nature's cycles, with each passing month inviting the crisp freshness of winter while the days shrink, enveloping Llandeilo in its serene, reflective dusk.
As December settles in over Llandeilo, the winds pick up slightly, with an average speed of 4.6 m/s (10 mph), marking a gentle increase from the major part of the year. This month’s winds present a shift from the lighter breezes of July and August, which favored a more tranquil atmosphere, to a crisper, more invigorating feel often felt in the winter months. The overall trend shows that while the autumn months, particularly November, experienced moderate winds at 3.5 m/s (8 mph), December brings a briskness that can inspire hearty walks and festive outings. As the year wraps up, the winds of Llandeilo add a refreshing vigor, making December a dynamic time to experience the natural beauty of this charming town.
The weather in Llandeilo 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 Llandeilo and find detailed weather information for every month.
December and January showcase notable differences in weather patterns. In December, temperatures range from a chilly -4°C (26°F) at night to a milder 12°C (55°F) during the day, with an average temperature of 6°C (43°F). The month is quite wet, receiving 166 mm (6.5 in) of precipitation over 20 days and maintaining high humidity at 89%.
Conversely, January experiences slightly lower temperatures, with a minimum of -5°C (23°F) and an average of 5°C (41°F), while the maximum reaches 13°C (55°F), similar to December. However, January is significantly drier, with only 95 mm (3.7 in) of precipitation over 13 days and slightly reduced humidity at 88%. For more insights on weather specifics, you can check Llandeilo weather in January.
In December, temperatures typically range from a low of -4°C (26°F) to a high of 12°C (55°F), making it a relatively mild month, although the average settles around 6°C (43°F). The month is characterized by substantial precipitation, totaling 166 mm (6.5 in) over 20 days, alongside high humidity levels at 89%. In contrast, February experiences slightly cooler temperatures, with a minimum of -9°C (16°F) and a maximum of 17°C (62°F), although the average stays close at 5°C (42°F). Precipitation decreases to 140 mm (5.5 in) over 16 days, and humidity remains similar at 88%. For more detailed insights, you can check out Llandeilo weather in February.
December and March exhibit notable differences in weather patterns. In December, temperatures range from a minimum of -4°C (26°F) to a maximum of 12°C (55°F), with an average temperature of 6°C (43°F). The month sees a significant amount of precipitation, totaling 166 mm (6.5 in) over approximately 20 days, accompanied by high humidity levels at 89%. In contrast, March experiences slightly colder minimum temperatures at -7°C (20°F), while the maximums increase to 19°C (66°F), resulting in an average of 6°C (44°F). Precipitation in March is lower, at 125 mm (4.9 in), over 18 days, and humidity is a bit lower at 86%. For more detailed information, check out Llandeilo weather in March.
In December, temperatures in Llandeilo tend to be quite chilly, with a minimum of -4°C (26°F) and an average around 6°C (43°F). The weather is characterized by frequent precipitation, totaling 166 mm (6.5 in) over about 20 days, and a high humidity level of 89%. In contrast, April brings a noticeable warming trend, with temperatures ranging from -4°C (25°F) at night to a pleasant maximum of 22°C (72°F) during the day, averaging around 8°C (48°F). Rainfall decreases significantly to 66 mm (2.6 in) over just 11 days, along with slightly lower humidity at 84%. For a more detailed look at the weather in April, you can visit Llandeilo weather in April.
In December, the weather is generally colder with minimum temperatures dropping to -4°C (26°F) and an average of 6°C (43°F), while maximum temperatures reach only 12°C (55°F). The month sees considerable precipitation of 166 mm (6.5 in) over approximately 20 days, contributing to a high humidity level of 89%. In contrast, May brings milder conditions, with minimum temperatures around -1°C (31°F), an average of 11°C (52°F), and highs peaking at 25°C (78°F). Precipitation is significantly reduced to 99 mm (3.9 in) over 14 days, and humidity drops to 80%. For more detailed weather patterns, you can check Llandeilo weather in May.
December and June present stark contrasts in weather conditions. In December, temperatures can drop as low as -4°C (26°F), with an average of 6°C (43°F) and a maximum of 12°C (55°F). This month experiences significant precipitation, totaling 166 mm (6.5 in) over approximately 20 days, resulting in a high humidity level of 89%. In contrast, June offers much milder weather, with temperatures ranging from a minimum of 4°C (39°F) to a comfortable maximum of 28°C (83°F), averaging around 14°C (58°F). Rainfall is less frequent in June, totaling 103 mm (4.1 in) across about 17 days and accompanied by a lower humidity of 80%. For more details on June weather in a specific region, visit Llandeilo weather in June.
In December, temperatures can be quite chilly, with a minimum of -4°C (26°F) and an average of 6°C (43°F), reaching a maximum of 12°C (55°F). The month is also marked by high humidity at 89%, contributing to a damp atmosphere, as it experiences around 166 mm (6.5 in) of precipitation over 20 days. In contrast, July offers a much warmer climate, with temperatures starting at a minimum of 5°C (41°F) and averaging 16°C (61°F), peaking at 28°C (83°F). This month sees significantly less rainfall, approximately 101 mm (4.0 in), over 16 days, and humidity levels drop to around 70%. For more details on July weather specifically, visit Llandeilo weather in July.
December and August present stark contrasts in weather patterns. In December, temperatures can drop to a chilling minimum of -4°C (26°F), with an average of 6°C (43°F) and a maximum reaching 12°C (55°F). The month is notably damp, with 166 mm (6.5 in) of precipitation falling over 20 days, contributing to a high humidity level of 89%. In contrast, August enjoys milder conditions, with temperatures ranging from a minimum of 5°C (42°F) to a pleasant average of 15°C (60°F) and a maximum of 27°C (82°F). Although August still experiences rain, it sees 133 mm (5.2 in) of precipitation over the same number of days, resulting in lower humidity at 73%. For an in-depth look at how August weather compares, check out Llandeilo weather in August.
In comparing the weather between December and September, December typically experiences much cooler temperatures, with averages around 6°C (43°F) compared to September's warmer 13°C (56°F). While December can drop to a minimum of -4°C (26°F), September boasts mild lows of 1°C (33°F). Precipitation is more frequent in December, with around 166 mm (6.5 in) over 20 days, whereas September sees less rain, at 110 mm (4.3 in) across 14 days. Additionally, humidity levels are notably higher in December at 89%, compared to 79% in September. For more detailed insights, you can visit Llandeilo weather in September.
In comparing the weather of December to that of October, we observe significant differences in both temperature and precipitation. December typically features a cooler temperature range, with minimums dropping to -4°C (26°F) and a maximum of 12°C (55°F), while October enjoys a more moderate climate, with temperatures ranging from -3°C (27°F) to a pleasant 21°C (70°F). Despite the relatively similar precipitation levels, December sees a slight increase with 166 mm (6.5 in) over 20 days, compared to October's 155 mm (6.1 in) across 17 days. Both months share high humidity levels of 89%, but October's overall milder temperatures make it a more comfortable month for outdoor activities. For more details on October weather, you can check Llandeilo weather in October.
In comparing the weather of December and November, we see that December experiences slightly colder temperatures, with an average of 6°C (43°F) compared to November's 7°C (46°F). While both months have similar minimum temperatures, December's maximum temperature is lower at 12°C (55°F) compared to November's 15°C (59°F). Precipitation increases in December, totaling 166 mm (6.5 in) over 20 days, while November records 132 mm (5.2 in) over 17 days. Humidity remains high in both months, with December at 89% and November at 90%. For a more detailed look at the weather during November, you can check out Llandeilo weather in November.
As December settles over Llandeilo, the weather transforms markedly from the milder months preceding it, ushering in a chill that contrasts sharply with the autumn's gentle embrace. With temperatures dipping on average to a cool 6°C and a notable increase in precipitation, the month becomes a tapestry of overcast skies and frequent rain. The high humidity of 89% adds to the wintry feel, with rainfall occurring on roughly two-thirds of the days. This shift not only signifies the arrival of winter but also highlights Llandeilo's dramatic seasonal change. For a deeper understanding of how Llandeilo’s climate shapes its months, visit Llandeilo Climate.