Last updated: March 17, 2025
December in Caerphilly, United Kingdom, is characterized by a typical winter chill, with temperatures ranging from a maximum of 13°C (56°F) to a brisk minimum of -4°C (26°F), averaging around 7°C (45°F). This month sees significant precipitation, with 130 mm (5.1 in) of rain spread over 17 days, contributing to an almost 89% humidity level, ensuring that the atmosphere feels quite damp. Visitors and locals alike should be prepared for a mix of frequent rain and cool temperatures, making warm clothing and waterproof gear essential for navigating the winter landscape.
In Caerphilly, United Kingdom, December brings a crisp chill, with temperatures dipping to a minimum of -4°C (26°F) and peaking at around 13°C (56°F). The average temperature settles at 7°C (45°F), marking a transition into the heart of winter. Compared to the preceding months, December's temperatures reflect a noticeable decline, as the milder autumn days give way to frosty nights and cooler afternoons. This consistent drop prompts the local community to prepare for seasonal festivities while donning warmer layers for outdoor activities. As the month draws to a close, residents and visitors alike can expect a classic winter ambiance in this historic town.
December in Caerphilly sees a significant uptick in precipitation, with an average of 130 mm (5.1 in) of rainfall over 17 days. This marks a notable increase from the month's earlier counterparts, showcasing a trend of heightened moisture as winter sets in. Following the wetter October, which recorded 135 mm (5.3 in), December continues to deliver substantial rainfall, though with slightly fewer days. The consistent pattern of increased precipitation during the final months of the year highlights Caerphilly's transition into colder, wetter conditions, making for a characteristically damp and chilly end to the year.
December in Caerphilly, United Kingdom, experiences a notable humidity level of 89%, maintaining a trend of high moisture that characterizes the winter months. As the year draws to a close, the humidity slightly dips from November's peak of 90%, yet remains consistent with October's figures. This seasonal pattern highlights a gradual decrease from the summer months, where humidity often drops to as low as 70% in July, and underscores the tendency for winter to bring a return of dampness. Overall, December's high humidity contributes to the region's chilly and often overcast atmosphere, setting the stage for a classic Welsh winter.
As December rolls into Caerphilly, the UV Index drops to a low level of 1, maintaining the same minimal exposure risk found in January and November. With a burn time of 45 minutes, residents and visitors can enjoy the outdoors without the urgent need for sun protection. This trend showcases the gradual decline in UV exposure as winter sets in, providing a welcome reprieve from the higher UV levels experienced in the summer months. It’s a perfect time to embrace the crisp air while remaining mindful of skin safety. For more detailed insights, check out the Caerphilly UV Index.
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In December, Caerphilly, United Kingdom, experiences a notable dip in sunshine hours, with just 100 hours of sunlight marking the month's end. This represents a significant decline from the sunniest months, particularly July, which boasts a vibrant 399 hours of sunshine. As the year winds down, the daylight diminishes, with December reflecting the shorter days and longer nights typical of winter. Notably, this decrease is part of a broader trend observed throughout the year, where the sun shines more generously in the warmer months, peaking in late spring and summer, after which sunlight hours gradually taper off. Despite December’s lack of sunshine, the crisp air and festive spirit offer their own charms, reminding us of the cycle of seasons in this picturesque town.
In December, the likelihood of sunny weather in Caerphilly, United Kingdom, dips to just 20%, making it one of the cloudier months of the year. This follows a trend where the chances of sunshine begin to decline after the brighter spring months, with April peaking at 52%. While November sees a modest rebound to 31%, December's gloomy skies signal the arrival of winter's chill, bringing both shorter days and a significant drop in sun exposure. As the year wraps up, residents can expect a cozy festive season, but should be prepared for the typical damp and overcast weather that this time of year often brings.
As December unfolds in Caerphilly, the days grow noticeably shorter, with sunlight lasting only 7 hours. This trend marks the continuation of a seasonal decline in daylight that begins in November, where the duration dips to 8 hours. The transition from the long, sun-drenched days of summer—when July and June bask in 16 hours of daylight—serves as a reminder of the cyclical nature of the seasons. The gradual progression from longer days in spring and summer to the crisp, shorter days of winter reveals a shift where cozy indoor gatherings and festive celebrations take center stage, emphasizing the charm of winter even as daylight wanes. As the year draws to a close, Caerphilly embraces this seasonal rhythm, preparing for the eventual return of light and warmth with the onset of spring in the months ahead.
As December settles over Caerphilly, the wind picks up its pace, with an average speed of 5.3 m/s (12 mph). This brisk breeze brings a refreshing return to the higher speeds seen earlier in the year, following a gentle lull during the summer and early autumn months. Notably, December's winds are stronger than those of November and most of the warmer months, echoing a trend where winter months tend to usher in increased gusts. This shift not only enhances the winter ambiance but also invigorates the local landscape, offering a stark contrast to the calmer days of summer when wind speeds dipped to their lowest around 3.4 m/s (8 mph) in July. The return of the winds in December serves as a reminder of nature’s cyclical rhythm in this charming Welsh town.
The weather in Caerphilly 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 Caerphilly and find detailed weather information for every month.
In December, temperatures range from a chilly -4°C (26°F) to a comfortable high of 13°C (56°F), with an average of 7°C (45°F). The month experiences considerable precipitation, with 130 mm (5.1 in) falling over 17 days, resulting in a humid atmosphere at 89%. In contrast, January sees slightly milder temperatures, with a minimum of -3°C (27°F) and an average of 6°C (42°F), while the maximum remains the same at 13°C (56°F). Precipitation decreases considerably to 75 mm (3.0 in) over 12 days, with humidity slightly lower at 88%. For more detailed information on January weather patterns, check out Caerphilly weather in January.
In December, the weather tends to be cooler with average temperatures ranging from a minimum of -4°C (26°F) to a maximum of 13°C (56°F), while February sees slightly warmer temperatures with a maximum reaching 15°C (60°F) and an average of 6°C (44°F). Precipitation is more significant in December, totaling 130 mm (5.1 in) over 17 days compared to February's 101 mm (4.0 in) over 14 days. Humidity levels are quite similar, with December at 89% and February slightly lower at 88%. Overall, while both months experience chilly conditions, February offers a hint of warmth as it transitions further into spring. For more specific details about February weather, visit Caerphilly weather in February.
When comparing the weather in December and March, some notable differences emerge. December experiences slightly milder temperatures, with averages around 7°C (45°F) and a maximum of 13°C (56°F), while March has a similar average of 7°C (45°F) but can reach up to 18°C (65°F) on warmer days. Precipitation is more prominent in December, totaling 130 mm (5.1 in) over approximately 17 days, compared to March's 97 mm (3.8 in) over 15 days. Additionally, humidity levels are slightly higher in December, averaging 89%, compared to March's 86%. For a closer look at specific conditions, you can check Caerphilly weather in March.
December and April present notably different weather patterns. In December, temperatures can dip to a minimum of -4°C (26°F) and reach a maximum of 13°C (56°F), with an average of 7°C (45°F). This month is also characterized by higher precipitation, totaling around 130 mm (5.1 in) over 17 days, coupled with a humidity level of 89%. In contrast, April experiences milder temperatures, with a minimum of -1°C (30°F) and a maximum of 20°C (69°F), averaging 9°C (49°F). Additionally, it sees significantly less precipitation at 57 mm (2.2 in) over only 10 days and a slightly lower humidity of 84%. For more insights into the weather during this month, you can refer to Caerphilly weather in April.
December and May present strikingly different weather conditions. In December, temperatures dip to a minimum of -4°C (26°F) and average around 7°C (45°F), with a maximum reaching 13°C (56°F). The month is characterized by substantial precipitation at 130 mm (5.1 in) over 17 days, accompanied by high humidity levels at 89%. In contrast, May boasts a much milder climate with temperatures ranging from a minimum of 2°C (35°F) to a pleasant average of 12°C (54°F), peaking at 24°C (76°F). Precipitation is significantly lower at 79 mm (3.1 in), occurring over just 12 days, and humidity also decreases to 80%. This shift from the cold, wet December to the warm, relatively dry May is indicative of the seasonal transition. For more detailed information, check out Caerphilly weather in May.
In December, Caerphilly experiences chilly temperatures, with a minimum of -4°C (26°F) and an average of 7°C (45°F), often accompanied by moist conditions and high humidity at 89%. The month sees significant precipitation, amounting to 130 mm (5.1 in) over 17 days, making it one of the wetter months of the year. In contrast, June brings a warmer and more pleasant climate, with temperatures ranging from a minimum of 7°C (45°F) to a maximum of 27°C (82°F) and an average of 15°C (60°F). The rainfall is reduced to 84 mm (3.3 in), occurring over just 12 days, and humidity levels are also slightly lower at 80%. For a detailed outlook, you can explore Caerphilly weather in June.
December and July showcase striking contrasts in weather. In December, temperatures can plunge to a minimum of -4°C (26°F), with an average of 7°C (45°F) and a maximum reaching only 13°C (56°F). The month is quite wet, with about 130 mm (5.1 in) of precipitation spread over 17 days and a high humidity level of 89%. In stark contrast, July experiences much milder conditions, featuring a minimum temperature of 9°C (48°F) and an average of 17°C (63°F), peaking at 28°C (82°F). Precipitation is lower, with 85 mm (3.3 in) over just 12 days and a more comfortable humidity level of 70%. For a more detailed look at July weather, check out Caerphilly weather in July.
December weather is notably colder and wetter compared to August. In December, temperatures range from a minimum of -4°C (26°F) to a maximum of 13°C (56°F), with an average of 7°C (45°F). The month sees significant rainfall, totaling 130 mm (5.1 in) over 17 days, and high humidity at 89%. In contrast, August offers milder conditions, with temperatures ranging from a low of 9°C (48°F) to a high of 29°C (84°F) and an average temperature of 17°C (62°F). Precipitation is also lower in August, with 97 mm (3.8 in) over 13 days and a humidity level of 73%. For more insights into August conditions, check Caerphilly weather in August.
In December, the weather is significantly colder, with temperatures ranging from a chilly -4°C (26°F) at night to a mild 13°C (56°F) during the day, resulting in an average of 7°C (45°F). This month sees considerable precipitation, totaling 130 mm (5.1 in) over 17 days, and high humidity levels at 89%. In contrast, September offers a much warmer climate, with minimum temperatures around 4°C (40°F) and maximums reaching 27°C (81°F), averaging at 15°C (59°F). Rainfall is also lower in September, at 81 mm (3.2 in) spread over 12 days, accompanied by a slightly lower humidity of 79%. For more detailed information, visit Caerphilly weather in September.
When comparing the weather in December and October, several notable differences emerge. December tends to be colder, with average temperatures ranging from a minimum of -4°C (26°F) to a maximum of 13°C (56°F), while October offers a milder climate, featuring temperatures from a minimum of 1°C (33°F) to a maximum of 21°C (70°F). Both months experience similar levels of precipitation, with December receiving 130 mm (5.1 in) over 17 days and October slightly higher at 135 mm (5.3 in) over 16 days. Interestingly, humidity levels remain consistent throughout both months at 89%. For a closer look at October's weather, visit Caerphilly weather in October.
In comparing the weather of December to November, December tends to be colder, with average temperatures ranging from a minimum of -4°C (26°F) to a maximum of 13°C (56°F), while November sees milder conditions, with temperatures fluctuating between -1°C (30°F) and 16°C (61°F). Additionally, December experiences higher precipitation, totaling 130 mm (5.1 in) over 17 days, compared to November's 99 mm (3.9 in) over 15 days. Humidity levels remain similar, with December at 89% and November slightly higher at 90%. For a closer look at the specifics of November's weather, check out Caerphilly weather in November.
As December settles over Caerphilly, the weather brings a noticeable chill that sets it apart from other months. With temperatures fluctuating from a crisp low to a mild high, the average feels distinctly colder, inviting residents to bundle up. The month is marked by increased rainfall, with nearly half of December's days experiencing precipitation, contributing to a damp, humid atmosphere that hovers around 89%. This combination of cool temperatures and frequent rain creates a cozy, if somewhat soggy, environment perfect for enjoying warm drinks and festive gatherings. For a deeper dive into the climate patterns of Caerphilly, visit Caerphilly Climate.