Last updated: March 17, 2025
In Aberystwyth, United Kingdom, December greets residents and visitors with a mix of chilly temperatures and ample rainfall. With maximums reaching 13°C (55°F) and a biting minimum of -3°C (27°F), the month averages around 7°C (44°F), creating a brisk atmosphere. Rain is a frequent companion, contributing to a total precipitation of 160 mm (6.3 in) over 21 days, resulting in a notably high humidity level of 89%. This combination of moisture and cool temperatures creates a quintessentially wintery ambiance, perfect for cozy indoor activities or braving the elements in this picturesque coastal town.
In December, temperatures in Aberystwyth begin to shift towards the chill of winter, with minimums hitting -3°C (27°F), while daily averages linger around a brisk 7°C (44°F). The highs reach a modest 13°C (55°F), showing a stark contrast to the warmer months, yet still offering a milder edge compared to January and February. This month's cool air is a precursor to the colder conditions that follow in the new year, as the overall trend demonstrates a steady drop from the autumn's milder temperatures. Whether you’re enjoying a stroll along the coastline or cozying up indoors, December in Aberystwyth has its own charm, resonating with the holiday spirit amid the crisp air.
December in Aberystwyth, United Kingdom, marks a notable peak in precipitation, with an impressive 160 mm (6.3 in) falling over the course of the month, making it the wettest period of the year. This month's rainfall is accompanied by an increase in precipitation days, totaling 21, which contributes to the region's characteristic dampness during the winter. As we observe the progression from the earlier months, December stands out not only for its volume but also for the trend of increasing rainfall, particularly following the brisk contrasts of autumn. The consistent and heavy showers are a reminder that as the year closes, Aberystwyth embraces its reputation for lush landscapes, driven by this abundant moisture.
In December, Aberystwyth wraps itself in a cozy 89% humidity, echoing the wetter months that precede it. As the year winds down, humidity levels remain relatively high, reflecting a gradual decline from November's 91%. This trend of elevated humidity is consistent throughout the winter, with figures staying above 85% since September, making the coastal town feel particularly brisk and invigorating. Interestingly, while summer months like July and August experience a dip, December's moisture marks a return to the more humid conditions typical of earlier months, ensuring that the atmosphere remains rich and full of life even as temperatures drop.
As December rolls into Aberystwyth, the UV Index once again drops to a low level of 1, indicating minimal sun exposure risk. With a burn time of 45 minutes, it's a perfect time for brisk winter walks without the worry of sunburn. This month's low UV levels follow a seasonal trend, as daylight dwindles and the colder temperatures take hold. Prior months saw a gradual increase in UV exposure, peaking in the summer with indices of 7 and 8 from May to July, which corresponded with the highest burn risks. However, as we conclude the year, sunshine seekers can enjoy the outdoors comfortably, remembering to check the UV Index regularly for those unexpected sunny winter days. For detailed information, visit Aberystwyth UV Index.
UV Risk Categories
In December, Aberystwyth experiences a modest 102 hours of sunshine, reflecting a predictable dip as the year draws to a close. Throughout the year, there is a noticeable increase in daylight during the spring and summer months, peaking in July with an impressive 417 hours. This gradual rise in sunshine hours from the chilly depths of winter, starting with 92 hours in January, offers a compelling illustration of Aberystwyth's seasonal transformation. As autumn settles in, the daylight wanes significantly, dropping to 124 hours in November, before the cycle begins anew in December. The contrast between the cloudy, shorter days of winter and the vibrant, sun-drenched summers beautifully encapsulates the region's climate, inviting both reflection and anticipation for the coming year.
As December approaches in Aberystwyth, the likelihood of enjoying sunny weather dips to 17%, offering little hope for bright skies. This month follows a generally inconsistent trend seen throughout the year, where sunshine peaks in April at 50%, then dramatically declines as the winter months set in. Notably, December's chances are slightly better than the dreary October, which hangs around at 16%, but offers less than what locals might enjoy in the milder early months. As the year concludes, residents and visitors can expect mostly cloudiness rather than the cheerful sun, reflecting the typical British coastal winter.
As December settles in Aberystwyth, the city experiences its shortest daylight duration of the year, with just 7 hours of sun each day. This marks a noticeable decline from the preceding months, particularly the longer days of summer, where June and July offered a generous 16 hours of daylight. The transition from autumn’s moderate 10 hours in October and 8 hours in November showcases a gradual shortening that culminates in the crisp, darker days of winter. Following December, a slow ascent begins as daylight gradually increases, inching back towards the vibrant spring months that promise brightness and life. This rhythmic cycle of daylight not only affects the city's ambiance but also marks the seasonal shifts that define life in Aberystwyth.
In December, Aberystwyth experiences a noticeable uptick in wind activity, with an average wind speed of 4.6 m/s (10 mph), marking a slight rise from the preceding months. This increase is part of a broader seasonal trend where wind speeds tend to fluctuate throughout the year, peaking in late autumn and early winter. Notably, December’s winds are stronger than the gentler breezes of summer, which saw an annual low of 2.5 m/s (6 mph) in July. As the year wraps up, residents and visitors alike can expect invigorating winds that add a brisk energy to the coastal town, complementing its picturesque winter scenery.
The weather in Aberystwyth 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 Aberystwyth and find detailed weather information for every month.
In comparing the weather of December and January, December tends to be slightly warmer with an average temperature of 7°C (44°F), while January sees a drop to an average of 5°C (42°F). Both months experience similar maximum temperatures of around 13°C (55-56°F), but January records a lower minimum temperature of -4°C (26°F) compared to December’s -3°C (27°F). Additionally, December is much wetter, with precipitation totaling 160 mm (6.3 in) over 21 days, whereas January experiences only 96 mm (3.8 in) across just 13 days. Despite these differences, both months share a consistent humidity level of 89%. For more details on January's weather, you can check Aberystwyth weather in January.
In comparing the weather between December and February, we observe several notable differences. December features a milder average temperature of 7°C (44°F) with maximums reaching up to 13°C (55°F), while February sees slightly cooler conditions, with an average of 6°C (43°F) and maximums up to 18°C (65°F). Precipitation also varies, with December receiving 160 mm (6.3 in) over 21 days, compared to February's 133 mm (5.2 in) over 17 days, indicating slightly less rainy days in the latter month. Both months experience high humidity levels, hovering around 89% in December and 88% in February. For a more detailed view of February's weather, check out Aberystwyth weather in February.
December and March exhibit noticeable differences in weather patterns. In December, temperatures generally range from a chilly -3°C (27°F) at night to a maximum of 13°C (55°F) during the day, with an average of 7°C (44°F). The month experiences about 160 mm (6.3 in) of precipitation over 21 days, contributing to a high humidity level of 89%. In contrast, March presents slightly colder nights with a minimum of -6°C (21°F), but it can reach daytime highs of 19°C (67°F), maintaining the same average of 7°C (44°F). Precipitation is somewhat lower at 128 mm (5.0 in) across 18 days, with humidity decreasing slightly to 86%. For a detailed look at weather during this month, you can visit Aberystwyth weather in March.
In December, the weather is notably colder, with temperatures ranging from a minimum of -3°C (27°F) to a maximum of 13°C (55°F) and an average of 7°C (44°F). This month sees significant precipitation, averaging 160 mm (6.3 in) spread over 21 days, alongside a high humidity level of 89%. In contrast, April brings a marked warming trend, featuring similar minimum temperatures but rising to an average of 9°C (48°F) and a maximum of 22°C (72°F). Rainfall decreases to 60 mm (2.3 in), occurring over just 11 days, and humidity levels drop slightly to 84%. For more specific details about the weather in Aberystwyth during April, you can check out Aberystwyth weather in April.
December and May showcase strikingly different weather patterns. In December, temperatures can drop to a chilly -3°C, with an average of 7°C and a maximum of 13°C. The month is characterized by significant precipitation, amounting to 160 mm over 21 days, and high humidity levels at 89%. In contrast, May marks the arrival of warmer days, with temperatures starting at a minimum of 0°C, averaging 11°C, and peaking at a pleasant 27°C. Additionally, May sees less rain, with 84 mm of precipitation over only 13 days and a lower humidity level of 79%. For more detailed insights, you can check Aberystwyth weather in May.
December and June present distinctly different weather patterns. In December, temperatures range from a chilly minimum of -3°C (27°F) to a mild maximum of 13°C (55°F), accompanied by significant precipitation of 160 mm (6.3 in) over 21 days, resulting in a high humidity level of 89%. In contrast, June offers a more temperate climate with minimums around 5°C (41°F) and maximums soaring to 29°C (84°F). The rainfall is less frequent, totaling 96 mm (3.8 in) over 16 days, and humidity is lower at 81%. For a closer look at June weather specifics, visit Aberystwyth weather in June.
December and July present strikingly different weather patterns. In December, temperatures range from a chilly -3°C (27°F) at night to a mild 13°C (55°F) during the day, with an average of 7°C (44°F). The month is notably wet, with 160 mm (6.3 in) of precipitation over 21 days and high humidity at 89%. In contrast, July boasts a much warmer climate, with nighttime lows of 6°C (43°F) and daily highs reaching 29°C (84°F), averaging 16°C (61°F). Precipitation is significantly reduced to 89 mm (3.5 in) across 15 days, accompanied by a lower humidity level of 78%. For a closer look at what to expect in the summer, check out Aberystwyth weather in July.
December and August present a stark contrast in weather. December tends to be much colder, with temperatures ranging from a minimum of -3°C (27°F) to a maximum of 13°C (55°F) and an average of 7°C (44°F). In contrast, August boasts milder conditions, with a minimum of 7°C (45°F), an average of 15°C (60°F), and a maximum of 27°C (81°F). While both months see precipitation on about 21 days, December experiences slightly higher rainfall at 160 mm (6.3 in) compared to August's 131 mm (5.2 in). Additionally, December's humidity is notably higher at 89%, making the colder weather feel even more biting, whereas August has a more comfortable humidity level of 79%. For more information, visit Aberystwyth weather in August.
In comparing the weather of December and September, December tends to be much colder, with average temperatures ranging from a minimum of -3°C (27°F) to a maximum of 13°C (55°F). In contrast, September experiences milder conditions, with averages between 2°C (36°F) and 28°C (82°F). Precipitation is also more frequent in December, occurring over 21 days and totaling 160 mm (6.3 in), compared to September's 115 mm (4.5 in) over just 16 days. Despite their differences, both months maintain high humidity levels, with December at 89% and September slightly lower at 85%. For more details on September weather, visit Aberystwyth weather in September.
In December, temperatures drop significantly compared to October, with a minimum of -3°C (27°F) and an average high of only 13°C (55°F), whereas October boasts a milder average temperature of 11°C (52°F) and a maximum of 22°C (71°F). Despite having slightly more precipitation in December (160 mm over 21 days) than in October (149 mm over 19 days), the humidity remains almost consistent, with 89% in December and 90% in October. For those interested in a deeper dive into October's climate specifics, you can check out Aberystwyth weather in October.
In comparing the weather between November and December, December tends to be slightly cooler, with average temperatures ranging from a minimum of -3°C (27°F) to a maximum of 13°C (55°F), compared to November’s range of -1°C (30°F) to 15°C (60°F). Additionally, December experiences more precipitation, with a total of 160 mm (6.3 in) spread over 21 days, while November sees 133 mm (5.3 in) over 18 days. Humidity levels remain relatively high in both months, with December averaging 89% and November at 91%. For more details on November weather, you can refer to Aberystwyth weather in November.
As the year winds down, December in Aberystwyth presents a distinct shift from the lingering mildness of autumn to the chill of winter. Temperatures dip to cooler averages, with the month often marked by brisk winds and a significant rise in humidity. Rainfall becomes more frequent, contributing to the characteristic dampness of this season, as over half the month sees precipitation. This combination of elements not only sets a cozy scene but also invites a unique charm to the coastal town, making it a captivating place to visit during the festive season. For a more detailed overview of what to expect, check out Aberystwyth Climate.