Last updated: March 17, 2025
In Blaenau-Ffestiniog, December weather is characterized by a mild chill, with maximum temperatures reaching up to 12°C (54°F) and an average of 6°C (43°F). The month sees a notable minimum temperature dropping to -6°C (21°F), reminding residents and visitors of the winter season's presence. Alongside the cool temperatures, precipitation is frequent, accumulating to 165 mm (6.5 in) over approximately 20 days, leading to a humid atmosphere with humidity levels averaging around 89%. This combination of cool temperatures and high humidity creates a unique winter landscape, ideal for exploring the charming surroundings of this historic town.
In December, Blaenau-Ffestiniog experiences a significant drop in temperatures, marking the onset of winter's chill. The month begins with a minimum of -6°C (21°F), emphasizing the icy conditions often felt in this mountainous region. While the average temperature hovers around 6°C (43°F), daily highs peak at 12°C (54°F), indicating a mild afternoon respite despite the frigid mornings. This shift towards colder weather is notable when compared to the preceding months, as December's temperatures serve as a stark reminder of the season's approach, making it a time for locals and visitors alike to enjoy the cozy atmosphere and winter activities in the heart of Snowdonia.
In December, Blaenau-Ffestiniog sees a notable increase in precipitation, with 165 mm (6.5 in) recorded over 20 days of rain, making it one of the wettest months of the year. This spike follows the trend set by the preceding months, as autumn transitions into winter, peaking in October with 163 mm (6.4 in). Interestingly, the frequency of rain also rises, with December averaging 20 rainy days compared to the 19 days in November, indicating a persistently damp climate as the year comes to a close. This consistent precipitation not only highlights the region's reputation for wet weather but also shapes the lush, green landscapes characteristic of this part of the United Kingdom.
As winter sets in, December brings a slight dip in humidity levels in Blaenau-Ffestiniog, with the percentage resting at 89%. This figure is a subtle decline from the 91% observed in November, yet it remains notably high, reflective of the region's persistent moisture-laden atmosphere. The humidity levels throughout the year exhibit a gentle downward trend, peaking in the autumn months before stabilizing in December. Overall, the consistent humidity underscores the area's characteristic dampness, particularly during the cold season, as it clings closely to the values seen at the beginning of winter, reminiscent of the preceding months that range from the humid highs of late fall to the crisp air of early winter.
As the year draws to a close, December in Blaenau-Ffestiniog sees a return to a low UV Index of 1, indicating minimal sun exposure risk. This is consistent with the trend observed in January and November, where the index remains at the lower end of the scale, allowing residents to enjoy outdoor activities without the worry of sunburn. The UV Index experiences a steady rise through spring and summer, peaking at a high of 8 in June and July, before gradually declining again as the weather turns cooler. With burn times ranging from 15 minutes during the summer's peak to a comfortable 45 minutes in winter, December presents a great opportunity for outdoor enthusiasts to explore the charming landscapes of Blaenau-Ffestiniog with minimal sun exposure concerns. For more detailed information, visit the Blaenau-Ffestiniog UV Index.
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In Blaenau-Ffestiniog, December sees a notable drop in sunshine hours, with only 106 hours to brighten the winter days. This month finishes the year on a relatively low note, especially when compared to the vibrant spring months like April and May, which boast over 300 hours of sunlight. The trend is clear: as winter settles in, sunlight diminishes significantly from the summer peak of 421 hours in July. Despite the gloomier skies, December's sunshine serves as a gentle reminder of the warm, longer days just around the corner, creating a charming seasonal contrast that defines this picturesque Welsh town.
In Blaenau-Ffestiniog, December tends to be a month of diminished sunshine, with only a 16% chance of sunny weather gracing the town. This figure aligns closely with the low sunlight percentages seen in both January and October, suggesting that the winter months are typically overcast. Interestingly, as spring approaches, there is a marked increase in the likelihood of sunny days, particularly in April, where chances jump to 43%. Thus, while December's weather might bring clouds and chill, the gradual transition to spring offers a welcome promise of brighter days ahead.
In Blaenau-Ffestiniog, United Kingdom, December marks a notable decline in daylight duration, with just 7 hours of sunlight. This is a stark contrast to the 16 hours experienced in the peak of summer during June and July. As the year progresses from summer into winter, the daylight hours diminish, with a gradual tapering off from 14 hours in August to the shortest days of the year in December. This seasonal variation underscores the phenomenon of shorter days in winter and the gradual return of longer daylight hours as the year transitions back towards spring, where daylight extends to 11 hours in March. The rhythm of light and dark deeply influences the landscape and lifestyle in this charming Welsh town.
In December, Blaenau-Ffestiniog experiences a notable wind shift, with an average speed of 4.3 m/s (10 mph). This month marks a slight increase from November's 4.0 m/s and complements the autumn trend of growing wind intensity as the year progresses. Following the summer's calmest months—where July recorded a low of just 2.5 m/s—December's breezy conditions signal a transition toward winter, bringing a refreshing chill to the air. Compared to earlier months, December's winds are invigorating, encapsulating the essence of the season as they dance through the valleys and mountains, inviting both locals and visitors to embrace the natural beauty of this remarkable landscape.
The weather in Blaenau-Ffestiniog 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 Blaenau-Ffestiniog and find detailed weather information for every month.
December and January in Blaenau-Ffestiniog exhibit quite similar weather patterns, but with a few notable differences. In December, temperatures tend to range from a chilly -6°C (21°F) to a mild 12°C (54°F), averaging around 6°C (43°F). The month is also quite wet, receiving approximately 165 mm (6.5 in) of precipitation over about 20 days, maintaining high humidity at 89%. Conversely, January sees slightly milder temperatures, with a minimum of -4°C (25°F) and a maximum of 13°C (55°F), averaging 5°C (41°F). Precipitation decreases to 103 mm (4.0 in) over 15 days, while humidity remains consistent at 89%. For more detailed information, you can check Blaenau-Ffestiniog weather in January.
December and February in Blaenau-Ffestiniog present contrasting yet similar weather patterns. In December, temperatures range from a chilly -6°C (21°F) to mild highs of 12°C (54°F), while February sees temperatures slightly warmer, with a minimum of -5°C (22°F) and a maximum of 18°C (65°F). Precipitation is abundant in both months, with December yielding 165 mm (6.5 in) over 20 days and February showing slightly less at 147 mm (5.8 in) across 17 days. Humidity levels remain fairly consistent, with December at 89% and February at 88%. For a closer look at February's specific weather details, you can check out Blaenau-Ffestiniog weather in February.
In December, temperatures range from a chilly minimum of -6°C (21°F) to a mild maximum of 12°C (54°F), with an average of 6°C (43°F). The month sees significant precipitation, with 165 mm (6.5 in) falling over 20 days, and humidity levels are quite high at 89%. In contrast, March experiences slightly cooler temperatures, with a minimum of -7°C (20°F) and a maximum of 17°C (64°F), while maintaining the same average of 6°C (43°F). Precipitation is somewhat lower at 141 mm (5.6 in) over 18 days, and humidity is slightly reduced at 86%. For more detailed insights into the weather during this transitionary month, you can check Blaenau-Ffestiniog weather in March.
In December, temperatures tend to be quite chilly, with a minimum of -6°C (21°F) and an average of 6°C (43°F), reaching a maximum of 12°C (54°F). The month is also marked by significant precipitation, totaling 165 mm (6.5 in) over about 20 days, contributing to a high humidity level of 89%. In contrast, April brings a noticeable warming trend, with minimum temperatures around -3°C (27°F) and an average of 8°C (47°F), peaking at 22°C (72°F). Precipitation is considerably reduced to 65 mm (2.5 in) over about 12 days, and humidity levels drop slightly to 84%. For a closer look at April weather specifics, you can check Blaenau-Ffestiniog weather in April.
December and May present strikingly different weather patterns. In December, temperatures can plummet to a minimum of -6°C (21°F) with an average of just 6°C (43°F), reaching a maximum of 12°C (54°F). This month experiences significant rainfall, with 165 mm (6.5 in) spread across about 20 days, resulting in high humidity levels of 89%. In contrast, May offers a milder climate with temperatures starting at a minimum of -1°C (31°F), averaging 11°C (51°F), and peaking at a pleasant 26°C (79°F). Precipitation is also lower in May, with 88 mm (3.5 in) over about 14 days and lower humidity at 79%. For a detailed overview of weather conditions during this time, visit Blaenau-Ffestiniog weather in May.
In December, the weather is notably colder, with temperatures ranging from a chilly -6°C (21°F) to a milder 12°C (54°F), and an average of 6°C (43°F). The month sees a significant amount of precipitation, amounting to 165 mm (6.5 in) over 20 days, contributing to high humidity levels at 89%. In contrast, June offers a much more temperate climate, with temperatures starting at a minimum of 5°C (41°F) and reaching up to 28°C (82°F), averaging 14°C (57°F). This month experiences less rain, totaling 102 mm (4.0 in) over 14 days, and slightly lower humidity at 81%. For more details about the conditions during this summer month, check Blaenau-Ffestiniog weather in June.
December and July present striking contrasts in weather conditions. In December, temperatures can drop to as low as -6°C (21°F), with an average of 6°C (43°F) and highs reaching only 12°C (54°F). The month is marked by significant precipitation, totaling 165 mm (6.5 in) over 20 days, coupled with high humidity at 89%. In contrast, July boasts a milder climate, with temperatures ranging from a minimum of 6°C (42°F) to a pleasant average of 15°C (60°F), and maximum highs of 28°C (83°F). Precipitation is less frequent, at 98 mm (3.9 in) across 14 days, and humidity is notably lower at 78%. For a more detailed look at July weather, visit Blaenau-Ffestiniog weather in July.
December and August present contrasting weather patterns, highlighting the extremes of winter and summer. In December, temperatures range from a chilly -6°C (21°F) at their lowest to a maximum of 12°C (54°F), with an average of 6°C (43°F). This month is characterized by high humidity at 89% and significant precipitation, totaling 165 mm (6.5 in) over approximately 20 days. In stark contrast, August boasts milder temperatures, with lows of 6°C (43°F) and highs reaching 27°C (80°F), averaging around 15°C (59°F). The humidity is lower at 79%, and precipitation is slightly less at 153 mm (6.0 in) over 21 days. For more details on August weather, you can visit Blaenau-Ffestiniog weather in August.
December weather in Blaenau-Ffestiniog is characterized by colder temperatures, with averages around 6°C (43°F) and a minimum of -6°C (21°F), making it significantly chillier than September, which enjoys a milder average of 13°C (55°F) and a maximum of 27°C (81°F). Additionally, December sees higher precipitation levels at 165 mm (6.5 in) over approximately 20 days, compared to September's 126 mm (5.0 in) over 16 days. Despite slightly lower humidity in September at 85% versus December's 89%, both months share a propensity for damp weather. For more details on the weather specifics in September, you can visit Blaenau-Ffestiniog weather in September.
In December, the weather in Blaenau-Ffestiniog is notably colder compared to October, with temperatures ranging from a minimum of -6°C (21°F) to a maximum of 12°C (54°F), whereas October experiences slightly milder temperatures, with a minimum of -4°C (26°F) and a maximum of 21°C (69°F). Both months witness similar precipitation levels, with December receiving 165 mm (6.5 in) over 20 days and October slightly less at 163 mm (6.4 in) across 19 days. Additionally, December's humidity remains high at 89%, comparable to October's humidity of 90%. For a closer look at the October climate, check out Blaenau-Ffestiniog weather in October.
December weather tends to be colder and wetter than November, with average temperatures ranging from a minimum of -6°C (21°F) to a maximum of 12°C (54°F) compared to November's milder range of -2°C (29°F) to 14°C (58°F). Additionally, December experiences higher precipitation, totaling 165 mm (6.5 in) over approximately 20 days, while November records 133 mm (5.2 in) across 19 days. Humidity levels also peak slightly in December at 89%, compared to November's 91%. For a more detailed look at November's weather, explore Blaenau-Ffestiniog weather in November.
As December settles in Blaenau-Ffestiniog, the weather takes on a distinct chill, marking a departure from the milder months preceding it. With temperatures dropping significantly, the average shifts to a much cooler feel, inviting a frosty atmosphere that contrasts with autumn's lingering warmth. The increase in precipitation is palpable, with a notable number of rainy days contributing to the high humidity levels typical of the winter season. This month often brings a mix of drizzly weather and chilly nights, creating a cozy backdrop perfect for indoor activities and festive cheer. For more details on the area's year-round weather patterns, explore the full analysis at Blaenau-Ffestiniog Climate.