Last updated: March 17, 2025
In Machynlleth, United Kingdom, December brings a chill to the air, with temperatures ranging from a brisk -6°C (22°F) to a comfortable 12°C (54°F), averaging around 6°C (42°F). This month is marked by frequent precipitation, totaling approximately 147 mm (5.8 in) over 19 days, contributing to the region's characteristic humidity of 89%. Visitors can expect a wet yet invigorating atmosphere, perfect for enjoying the picturesque winter scenery that Machynlleth has to offer.
In December, Machynlleth, United Kingdom, experiences a notable chill that marks the transition into winter. With minimum temperatures dipping to -6°C (22°F), the town feels the bite of the season, while the average temperature hovers around 6°C (42°F), offering a refreshing yet brisk backdrop. Daytime highs reach a modest 12°C (54°F), reflecting a trend of generally cool conditions as the year winds down. Compared to the milder autumn months, where temperatures were slightly warmer, December emphasizes a shift towards colder weather, inviting both locals and visitors to embrace the joys of winter festivities in this quaint Welsh town.
December in Machynlleth, United Kingdom, typically marks the pinnacle of the year’s precipitation, with an impressive 147 mm (5.8 in) of rainfall spread over 19 days. This consistent wet weather ushers in a festive atmosphere, making the town particularly enchanting but also highlighting the seasonal shift. The amount of rainfall in December surpasses all other months, reflecting a trend of increasing precipitation as the year winds down. This surge in moisture not only contributes to the lush greenery of the landscape but also serves as a reminder of the robust winter weather that defines this charming region. As temperatures drop, residents and visitors alike can expect to encounter a cozy yet damp December—a quintessential experience of Welsh winter.
In December, Machynlleth experiences a humidity level of 89%, maintaining a pattern of elevated moisture that characterizes the winter months. As the year progresses from the drier summer months of July and August, which hover around 78% and 79% respectively, we see humidity levels gradually rise, peaking in late autumn with 91% in November. This trend suggests a shift towards a more humid environment as colder air settles in, with October and November both showcasing some of the highest humidity levels of the year. Overall, December’s humidity reflects a slight decline from November’s peak, yet remains significantly higher than the spring and early summer months, underpinning the region’s characteristic moist climate during the winter season.
In December, Machynlleth, United Kingdom, experiences a low UV Index of 1, allowing residents and visitors to enjoy the brisk winter air without much concern for sun exposure. With a burn time of 45 minutes, skin remains well-protected during outdoor activities. As we analyze the UV trends throughout the year, it's clear that UV levels peak in the summer months, soaring to 8 in June and July. Conversely, the winter months, including December, see a significant drop in UV radiation. This fluctuating pattern highlights the importance of seasonal sun safety measures; while December may offer minimal risk, the peak summer months warrant greater caution. For a comprehensive look at the varying UV levels, check out Machynlleth UV Index.
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In December, Machynlleth experiences a modest 94 hours of sunshine, marking a continuation of the trend seen throughout the latter part of the year. As the days grow shorter, sunshine dips significantly from the vibrant 402 hours in July, showcasing a stark contrast to the summer months. Despite this decline, the winter months still provide a gentle glow, hinting at the promise of brighter days ahead as the year draws to a close. The gradual decrease in sunlight from November's 114 hours to December's 94 signifies the retreat of autumn’s warmth, paving the way for the reflections and renewal that winter and the subsequent spring will bring.
In December, Machynlleth experiences a notably low 14% chance of sunny weather, making it one of the least sunlit months of the year. This trend aligns with the gradual decrease in sunshine observed from the brighter spring months, where April enjoys a peak of 47% sun exposure, before dipping through the volatile summer and into the darker winter months. As we transition from November's 21% chance, December resembles the stark chill of January, which offers just 16% sunshine. Overall, this pattern suggests that if you're hoping for sun in Machynlleth during December, you might want to prepare for a cozy indoor experience instead.
As December settles in Machynlleth, daylight takes a noticeable dip, featuring just 7 hours of illumination. This decrease follows a pattern established throughout the year, where the shortest days occur in winter months. The transition from the longer days of summer, peaking at 16 hours in June and July, showcases a gradual tapering off as we move toward the darker months. While the days are brightening by the time spring arrives with 11 hours in March, December's limited daylight prompts a cozy, reflective atmosphere, reminding us of the cyclical beauty of the seasons. During this month, the early sunsets inevitably usher in quieter evenings, inviting us to embrace the magic of winter nights.
As December settles in over Machynlleth, United Kingdom, the winds pick up, with an average speed of 4.4 m/s (10 mph), mirroring the gusty conditions of October. This slight increase in wind speed can be seen as a transition from the calmer summer months, where speeds dropped as low as 2.5 m/s (6 mph) in July. Interestingly, the autumn months of November and December both feature wind speeds that are notably higher than the summer average, suggesting that as the year draws to a close, the region embraces a more dynamic weather pattern. With an average speed revival in December, locals can expect brisk, invigorating winds that enhance the charm of the season, inviting everyone to enjoy the crisp air amidst the stunning winter landscapes.
The weather in Machynlleth 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 Machynlleth and find detailed weather information for every month.
In comparing the weather of December and January, we notice that both months experience chilly temperatures, with December averaging around 6°C (42°F) and January slightly cooler at an average of 4°C (40°F). The minimum temperatures are similar, with December dipping to -6°C (22°F) and January only marginally higher at -5°C (24°F). However, January tends to be a bit drier, receiving 89 mm (3.5 in) of precipitation over 13 days, compared to December's 147 mm (5.8 in) across 19 days. Interestingly, both months share a high humidity level of 89%, contributing to the cold and damp conditions typical of winter. For more specific details about the weather patterns in January, you can check Machynlleth weather in January.
In December, temperatures in Machynlleth range from a minimum of -6°C (22°F) to a maximum of 12°C (54°F), with an average of 6°C (42°F). The month experiences significant precipitation, totaling 147 mm (5.8 in) over 19 days, and the humidity remains high at 89%. In contrast, February sees slightly colder temperatures with a minimum of -7°C (20°F) and an average of 5°C (41°F), but it can also reach a maximum of 17°C (63°F), demonstrating more variability. Precipitation drops to 127 mm (5.0 in) over 17 days, and humidity is slightly lower at 88%. For more details, you can check Machynlleth weather in February.
December and March present notably different weather conditions. In December, temperatures can drop as low as -6°C (22°F) but typically hover around an average of 6°C (42°F), with a maximum of about 12°C (54°F). The month experiences significant precipitation, totaling 147 mm (5.8 in) over 19 days, and high humidity levels at 89%. In contrast, March offers slightly milder temperatures, with a minimum of -7°C (19°F) and an average of 6°C (43°F) that can rise to a pleasant 19°C (66°F). While March sees slightly less precipitation at 124 mm (4.9 in) over 18 days and a slightly lower humidity of 86%, it generally marks a transition toward spring. For more details, visit Machynlleth weather in March.
December weather is characterized by colder temperatures, with a minimum reaching -6°C (22°F) and an average of 6°C (42°F), while the maximum temperature can go up to 12°C (54°F). This month also experiences significant precipitation, totaling 147 mm (5.8 in) over 19 days, coupled with high humidity at 89%. In contrast, April marks a transition to milder temperatures, with a minimum of -3°C (27°F) and an average of 8°C (47°F), peaking at 22°C (71°F). Precipitation is notably lower at 61 mm (2.4 in) across just 11 days, and humidity decreases slightly to 84%. For more detailed insights into the weather during this month, you can visit Machynlleth weather in April.
In December, temperatures in Machynlleth can dip as low as -6°C (22°F), with an average of around 6°C (42°F) and a maximum of 12°C (54°F). The month is quite wet, experiencing approximately 147 mm (5.8 in) of precipitation over 19 days, coupled with high humidity levels at 89%. In contrast, May brings milder weather, where the minimum temperature is slightly higher at -2°C (29°F), with an average of 11°C (52°F) and a peak of 26°C (78°F). This month sees significantly less rainfall, totaling about 84 mm (3.3 in) across 13 days, and a decrease in humidity to 79%. For a closer look at the climate during this vibrant spring month, you can check Machynlleth weather in May.
December and June present contrasting weather conditions. In December, temperatures typically range from a chilly -6°C (22°F) at night to a mild average of 6°C (42°F) during the day, reaching a maximum of 12°C (54°F). The month is characterized by significant precipitation, totaling 147 mm (5.8 in) over 19 days and high humidity at 89%. In contrast, June showcases a much warmer climate with temperatures ranging from a minimum of 4°C (40°F) to an average of 14°C (57°F), peaking at a pleasant 28°C (82°F). Rainfall is lighter, with 95 mm (3.8 in) spread across 15 days and lower humidity at 81%. For a detailed overview, check out Machynlleth weather in June.
December and July present stark contrasts in weather. December is characterized by cold temperatures, with minimums dipping to -6°C (22°F) and an average of 6°C (42°F). The month experiences significant precipitation, amounting to 147 mm (5.8 in) over 19 days, and high humidity at 89%. In contrast, July offers a much milder climate, with temperatures ranging from a minimum of 5°C (42°F) to a pleasant average of 16°C (60°F) and maximums reaching 28°C (83°F). Precipitation is lighter at 86 mm (3.4 in) over 14 days, and humidity is notably lower at 78%. For more details on July weather, check out Machynlleth weather in July.
December and August in Machynlleth present strikingly different weather conditions. In December, temperatures can dip to a chilly minimum of -6°C (22°F) and generally hover around a mild average of 6°C (42°F), peaking at a maximum of 12°C (54°F). This month also sees significant precipitation, totaling 147 mm (5.8 in) over 19 days, coupled with high humidity at 89%. In contrast, August offers a much warmer and more pleasant climate, with minimum temperatures around 6°C (42°F) and an average of 15°C (59°F), hitting highs of 27°C (81°F). Although it has slightly less rainfall at 119 mm (4.7 in), it still experiences precipitation on 19 days, but with a lower humidity level of 79%. For more detailed insights into August weather, visit Machynlleth weather in August.
In December, temperatures are significantly colder, with minimums reaching as low as -6°C (22°F) compared to a milder September, where minimum temperatures are around 1°C (34°F). The average temperature in December is 6°C (42°F), while September enjoys a warmer average of 13°C (55°F), peaking at 27°C (81°F). Precipitation is more frequent in December, occurring on 19 days with a total of 147 mm (5.8 in), compared to September's 15 days and 100 mm (3.9 in). Humidity levels are also slightly higher in December at 89%, versus 85% in September. For a closer look at September's weather specifics, you can check Machynlleth weather in September.
December and October present quite contrasting weather patterns. In December, temperatures drop significantly, with an average of 6°C (42°F) and highs peaking at 12°C (54°F), while October boasts warmer averages of 10°C (50°F) and can reach up to 21°C (70°F). Both months experience similar levels of precipitation, with December receiving 147 mm (5.8 in) over 19 days and October slightly less at 134 mm (5.3 in) across 18 days. Humidity remains high in both months, with December at 89% and October at 90%. For more details on weather conditions during October, you can visit Machynlleth weather in October.
In comparing the weather between December and November, December typically brings colder temperatures, with a minimum of -6°C (22°F) compared to November's minimum of -3°C (27°F). The average temperature in December is slightly lower at 6°C (42°F), whereas November holds an average of 7°C (45°F). December also experiences increased precipitation of 147 mm (5.8 in) over 19 days, surpassing November's 117 mm (4.6 in) across 18 days. While both months maintain high humidity levels, December's humidity sits at 89%, slightly lower than November's 91%. For more detailed information on November weather, you can visit Machynlleth weather in November.
As December settles in, Machynlleth experiences a notable shift in weather, with temperatures dipping significantly compared to the mildness of preceding months. The air grows crisp, often hanging around a chilly average, while the potential for frosty nights creates a stark contrast to the warmer autumn days. Rainfall is frequent, with nearly two-thirds of the month seeing precipitation, resulting in a humid atmosphere that adds to the wintery feel. This blend of cool temperatures and moisture sets December apart, offering a unique charm that invites residents and visitors alike to embrace the festive spirit. For a detailed overview of the climate, check out Machynlleth Climate.