Last updated: March 17, 2025
In Builth Wells, United Kingdom, December presents a chilly yet intriguing climate characterized by a maximum temperature of 12°C (53°F) and an average of 5°C (41°F), dipping to minimums of -8°C (17°F). This month typically sees significant precipitation, with 129 mm (5.1 in) falling over the course of 18 days, contributing to a notably high humidity level of 89%. Residents and visitors can expect a mix of rain and potential frost, creating a unique winter atmosphere ripe for exploration amid the stunning Welsh landscape.
In December, Builth Wells, United Kingdom embraces the chill of winter, with temperatures dipping to a minimum of -8°C (17°F) and peaking at 12°C (53°F). The average temperature hovers around 5°C (41°F), reflecting a cold yet somewhat stable mid-winter environment. Notably, December’s temperatures mirror the trend of preceding months, showcasing a gradual descent into winter, with lows comparable to those in January and November. As the year draws to a close, the sharp contrast between the cool highs and frigid lows makes for a brisk and invigorating atmosphere, ideal for cozy indoor gatherings or brisk outdoor strolls through the frosty landscape.
December in Builth Wells experiences a significant increase in precipitation, with 129 mm (or 5.1 in) of rain falling over an average of 18 days. This marks the height of the rainy season, contrasting sharply with the drier months earlier in the year. Notably, December's precipitation is the highest recorded for any month, underscoring a trend of increasing rainfall as the year draws to a close. As the landscape transforms under continuous showers, locals often prepare for a lush but soggy winter, highlighting the unique climatic characteristics of this charming Welsh town.
In December, Builth Wells experiences a notable humidity level of 89%, continuing a trend of relatively high moisture in the air as the year winds down. This slight decline from November's peak of 91% reflects a seasonal pattern where humidity is at its highest during the autumn months, particularly in October and November. As temperatures drop in winter, the humidity remains significantly elevated compared to the middle months, such as July and August, where it dips to 78% and 79%, respectively. This consistent moisture in December contributes to the overall cool and damp climate characteristic of the region, setting the stage for a cozy holiday season.
In December, Builth Wells experiences a UV Index of 1, categorized as low, which means residents can enjoy the outdoors without much concern for sunburn, as the burn time stretches to about 45 minutes. This trend of lower UV exposure continues from the previous months, following a peak in June and July with very high indices of 8. Throughout the year, especially in spring and summer, UV levels rise significantly, necessitating precautions during those warmer months. However, as the year winds down, December's mild index encourages a more leisurely approach to sun exposure. For more detailed information about UV levels throughout the year in Builth Wells, check out Builth Wells UV Index.
UV Risk Categories
As the year draws to a close, December in Builth Wells sees a notable decline in sunshine hours, offering just 94 hours to bask in the weak winter glow. This drop follows a consistent upward trend in sunshine that peaks in the summer months; from a mere 84 hours in January to a high of 402 hours in July. The gradual decrease from the summer peak to the autumn's 292 hours reflects the natural rhythm of the seasons, as daylight wanes and the chill of winter sets in. Although December may not provide the vibrant sunshine of earlier months, it still holds a charm that invites cozy gatherings and festive cheer, setting the stage for brighter days ahead.
As December rolls into Builth Wells, the chances of basking in sunny weather dip to a modest 13%, marking it as one of the cloudier months of the year. This trend reflects a significant decrease in sunshine compared to the vibrant days of spring, where April boasts a much more promising 48% chance of sun. The overall pattern shows that as we transition from the bright warmth of summer through the cooler autumn months, the likelihood of sun wanes considerably. With the year coming to a close, locals and visitors alike might want to prepare for more overcast skies than rays of sunshine, making those rare sunny moments all the more special.
In Builth Wells, United Kingdom, the daylight hours shift dramatically throughout the year, showcasing a clear trend as the seasons change. December marks the transition into winter with only 7 hours of daylight, the shortest span in the calendar. This reduction from the lush, sunlit days of May and June, where residents basked in up to 16 hours of brightness, highlights the stark contrast of Britain's seasonal rhythm. As autumn wanes, daylight dwindles from 10 hours in October, further dipping in November, echoing nature's retreat. With February bringing a welcomed increase to 9 hours, the gradual lengthening of daylight reminds us that brighter days are just around the corner, culminating in the vibrant resurgence of spring as daylight stretches towards 13 hours in April.
In Builth Wells, the wind in December picks up slightly, averaging 4.5 m/s (10 mph), which is a refreshing shift compared to the quieter summer months. As autumn fades, wind speeds rise from November’s 3.7 m/s (8 mph), signaling the arrival of winter’s chill. This trend reflects a pattern where the cold months generally exhibit higher wind speeds, contrasting with the calmer breezes of mid-summer, which often drop to as low as 2.6 m/s (6 mph) in July. With such seasonal variability, December's winds can invigorate the landscape, preparing Builth Wells for the frosty days ahead.
The weather in Builth Wells 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 Builth Wells and find detailed weather information for every month.
December and January weather display some similarities but notable differences as well. Both months experience minimum temperatures around -8°C (17°F) and average highs reaching 12°C (53°F), but January tends to be slightly cooler overall, with an average temperature of 4°C (39°F) compared to December's 5°C (41°F). Precipitation is also reduced in January, with 79 mm (3.1 in) falling over 12 days, compared to December's 129 mm (5.1 in) over 18 days. Interestingly, humidity remains constant at 89% for both months. For a more detailed look at January weather in Builth Wells, check out Builth Wells weather in January.
December weather is characterized by slightly milder temperatures, with an average of 5°C (41°F) and a maximum of 12°C (53°F). In contrast, February sees a comparable average temperature of 4°C (40°F), though it can reach up to 16°C (61°F). Precipitation levels are similar in both months, with December receiving 129 mm (5.1 in) over 18 days, while February has a slightly lower total of 115 mm (4.5 in) across 17 days. Humidity levels remain high in both months, hovering around 89% in December and 88% in February. For more detailed information, check out Builth Wells weather in February.
In December, the weather tends to be quite cold, with temperatures ranging from a minimum of -8°C (17°F) to a maximum of 12°C (53°F), and an average temperature around 5°C (41°F). This month experiences considerable precipitation of 129 mm (5.1 in) over about 18 days, coupled with high humidity levels at 89%.
In contrast, March brings slightly milder conditions, with similar minimum temperatures of -8°C (18°F) but a higher maximum of 18°C (66°F), averaging around 5°C (42°F). Precipitation decreases slightly to 115 mm (4.5 in) across 17 days, with humidity levels also dropping to 86%. For more detailed information about March weather, you can visit Builth Wells weather in March. Overall, March typically showcases a gradual warming trend and less precipitation compared to December.
December and April exhibit notably different climates, with December characterized by colder temperatures and higher precipitation. In December, temperatures can drop as low as -8°C (17°F) and average around 5°C (41°F), while April offers a milder range with temperatures starting at -4°C (26°F) and averaging 7°C (46°F). Additionally, December experiences a significant amount of rainfall, totaling 129 mm (5.1 in) over approximately 18 days, compared to April's 60 mm (2.4 in) spread across 11 days. The humidity remains relatively high in both months, with December at 89% and April slightly lower at 84%. For more detailed insights, you can check out Builth Wells weather in April.
December weather is characterized by significantly colder temperatures, with minimums dropping to -8°C (17°F) and average highs reaching only 12°C (53°F). The month experiences frequent precipitation, totaling 129 mm (5.1 in) over 18 days, accompanied by high humidity levels at 89%. In contrast, May brings milder conditions, with temperatures ranging from a minimum of -2°C (29°F) to a pleasant maximum of 24°C (76°F) and an average of 10°C (51°F). Additionally, May sees less precipitation, at 88 mm (3.5 in) over 14 days, and lower humidity at 79%. For a detailed overview of the weather trends during this month, check out Builth Wells weather in May.
December and June present stark contrasts in weather conditions. In December, temperatures can plummet as low as -8°C (17°F), with an average around 5°C (41°F) and a maximum of 12°C (53°F). The month sees considerable precipitation, totaling 129 mm (5.1 in) over about 18 days, accompanied by high humidity levels at 89%. In contrast, June offers much milder weather, with minimum temperatures around 4°C (39°F), an average of 14°C (57°F), and a maximum reaching 27°C (81°F). Rainfall is less frequent, totaling 94 mm (3.7 in) over 15 days, and humidity is also lower at 81%. For more details, you can check Builth Wells weather in June.
In December, the weather is notably colder, with temperatures ranging from a chilly -8°C (17°F) to a moderate high of 12°C (53°F), and an average temperature of 5°C (41°F). The month experiences significant precipitation, totaling 129 mm (5.1 in) over approximately 18 days, accompanied by high humidity levels of 89%. In contrast, July brings much warmer conditions, with temperatures spanning from a minimum of 4°C (40°F) to a comfortable maximum of 27°C (82°F) and an average of 15°C (60°F). Precipitation is lighter in July, totaling 82 mm (3.2 in) over 13 days, and humidity drops to 78%. For a more detailed look at weather specifics, check out Builth Wells weather in July.
The weather in December contrasts sharply with that of August, showcasing the significant seasonal variations. In December, temperatures can drop as low as -8°C (17°F), with an average of 5°C (41°F) and reaching a maximum of 12°C (53°F). This month is also marked by high humidity levels at 89% and considerable precipitation, totaling 129 mm (5.1 in) over 18 days. In contrast, August experiences much milder temperatures, ranging from a minimum of 5°C (42°F) to a comfortable average of 14°C (58°F), peaking at 27°C (81°F). The precipitation is lower than in December, with 106 mm (4.2 in) spread across 17 days and lower humidity at 79%. For more detailed insights, you can check Builth Wells weather in August.
December and September exhibit notably different weather patterns. In December, temperatures range from a chilly -8°C (17°F) at their lowest to a milder 12°C (53°F) at the highest. This month also experiences higher precipitation, averaging 129 mm (5.1 in) over 18 days, alongside elevated humidity levels at 89%. In contrast, September presents a much warmer climate, with temperatures fluctuating between a minimum of 1°C (34°F) and a maximum of 26°C (80°F). The precipitation during this month is less, totaling 85 mm (3.3 in) over 14 days, and with humidity levels slightly lower at 85%. For a more detailed look at September weather, you can check Builth Wells weather in September.
December weather is markedly colder than October, with temperatures ranging from a minimum of -8°C (17°F) to a maximum of 12°C (53°F), compared to October’s milder range of -3°C (26°F) to 20°C (69°F). Although both months experience significant precipitation, December sees slightly more at 129 mm (5.1 in) over 18 days, while October has 123 mm (4.8 in) across 16 days. Humidity levels are relatively similar, with December at 89% and October at 90%, adding to the chill in the air. For more details on October weather, you can check Builth Wells weather in October.
In comparing the weather of December and November, December presents a colder climate with average temperatures ranging from -8°C (17°F) to a maximum of 12°C (53°F), while November remains slightly milder, with temperatures between -4°C (25°F) and 15°C (58°F). Precipitation also increases in December, totaling 129 mm (5.1 in) over 18 days, compared to November's 104 mm (4.1 in) over 17 days. Humidity levels are relatively high in both months, with December at 89% and November slightly higher at 91%. For a closer look at the specific conditions in November, you can refer to Builth Wells weather in November.
As December settles over Builth Wells, the weather takes on a distinct character, showcasing a sharp contrast to the milder months preceding it. With maximum temperatures struggling to reach double digits and minimums dipping well below freezing, this month embodies the chill of winter. The frequent showers, resulting in substantial precipitation over nearly two-thirds of the month, adds to the damp atmosphere, complemented by high humidity levels that make the air feel even colder. This combination of low temperatures and increased rainfall marks December as a time of wintery intensity in Builth Wells, providing a stark departure from the more temperate climate found earlier in the year. For more details on what to expect throughout the year, check out Builth Wells Climate.