Last updated: March 17, 2025
In December, Harlech, United Kingdom, experiences a cool and damp winter climate characterized by an average temperature of 6°C (44°F). The maximum temperature peaks at 13°C (55°F), while chilly nights can see temperatures dip to a minimum of -3°C (26°F). This month is marked by frequent rainfall, accumulating to 170 mm (6.7 in) over 20 days, contributing to the area's high humidity levels of 89%. Visitors can expect a quintessentially wet and chilly atmosphere, perfect for cozy indoor activities and enjoying the scenic beauty of this historic coastal town.
In December, Harlech experiences a noticeable chill that heralds the arrival of winter. The temperatures tend to dip with a minimum of -3°C (26°F), contrasting sharply against the average of 6°C (44°F) and a maximum reaching about 13°C (55°F). This trend illustrates a gradual descent into cooler conditions as the year comes to a close, with December marking one of the colder months following a brief respite in November. Visitors can expect crisp air and the occasional frost, making it an enchanting time to explore this historic town, where the beauty of the surrounding landscapes is beautifully framed by the winter chill.
December in Harlech, United Kingdom, marks the culmination of a wet year, with precipitation reaching 170 mm (6.7 in) across 20 days. This surge in rainfall reflects a broader trend seen throughout the year, with monthly totals peaking in winter and early spring. Notably, December's precipitation is significantly higher compared to the preceding months, such as November's 138 mm (5.4 in) and October’s 161 mm (6.3 in), suggesting a persistent and rather gloomy end to the year. The trend of increased precipitation days, reaching 20 in December, further emphasizes the wet nature of this winter month, inviting an atmosphere that is distinctly British in its capriciousness. As Harlech welcomes the festive season, it does so under a consistently damp sky, setting the stage for a cozy, rain-soaked holiday spirit.
In Harlech, December brings a humidity level of 89%, a slight dip from the preceding month's 91%. This trend showcases the onset of winter, where humidity levels generally remain elevated but show a gradual decrease from the autumn's peak. Throughout the year, humidity starts high in January at 89%, displays a steady decline to 78% in July, before trending upwards again in the cooler months. The fluctuations highlight how seasonal changes influence moisture levels, with December maintaining a relatively high humidity, consistent with the winter climate. This backdrop of high humidity creates a unique atmospheric experience, perfectly complementing the enchanting landscape of Harlech.
As December rolls into Harlech, the UV index dips back to 1, placing it firmly in the low exposure category with a burn time of 45 minutes. This trend marks a transition from the higher summer indices, which reached peaks of 8 in both June and July, indicating very high exposure and significantly shorter burn times. Similarly, the early months of the year like January and February also showcase low UV levels, echoing December's mild conditions. As we progress through the year, it's evident that Harlech's UV exposure fluctuates, with peaks in late spring and summer, but December brings a welcome respite from the sun’s intensity. For more insights on UV levels and safety, check out Harlech UV Index.
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In Harlech, United Kingdom, December ushers in a significant dip in sunlight, with only 106 hours of sunshine, reflecting the winter's embrace. This month's hours are notably lower than the peak of 420 hours found in July, illustrating the stark contrast between the vibrant summer days and the more subdued winter months. As the year unwinds, sunshine gradually decreases from the spring's optimistic 330 hours in April to the dimmer days of November with merely 125 hours. Despite this reduction, December sunlight offers a gentle illumination, paving the way for a cozy holiday season as the community prepares to emerge once more into the brighter days of spring.
As December rolls into Harlech, the likelihood of sunny weather dwindles to a modest 16%, marking it as one of the cloudier months of the year. This percentage is a noticeable dip from the more promising conditions seen in the earlier spring months; for instance, April enjoys a 47% chance of sunshine, highlighting a seasonal trend where brighter days become increasingly rare as winter approaches. Interestingly, the months surrounding December, such as November with a 22% chance, demonstrate a slight uptick before the year's end but still fall short of delivering the cheerful rays typical of late spring and early summer. Thus, while the festive spirit may shine bright, the weather in Harlech during December tends to lean more towards crisp and overcast, inviting cozy indoor gatherings rather than sun-soaked adventures.
In Harlech, United Kingdom, December marks a significant drop in daylight duration, as the sun graces the sky for only 7 hours. This decrease is part of a broader trend seen throughout the year, where daylight reaches its peak in the summer months of June and July, with an impressive 16 hours. As autumn sets in, daylight begins to fade, tumbling to 10 hours in October and further declining as the year comes to a close. This cyclical pattern results in longer nights during the winter, inviting a cozy ambiance that contrasts sharply with the bright, extended days of summer, ultimately shaping the local lifestyle and activities throughout the seasons.
As December blankets Harlech with its crisp air, the average wind speed picks up to 4.4 m/s (10 mph), mirroring the stronger breezes felt in October and March. This seasonal uptick is a delightful shift from the calm of summer, where July recorded a mere 2.5 m/s (5 mph), the year's lowest. Interestingly, there’s a notable consistency across the latter months of the year, with November closely trailing December at 3.9 m/s (9 mph). The month itself might bring a touch of winter chill, yet it also carries the invigorating promise of stormy sea winds, reminding locals and visitors alike of the vibrant coastal atmosphere that defines this picturesque town.
The weather in Harlech 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 Harlech and find detailed weather information for every month.
In December, the weather features a temperature range from a minimum of -3°C (26°F) to a maximum of 13°C (55°F), with an average temperature of 6°C (44°F). This month is relatively wet, recording 170 mm (6.7 in) of precipitation over 20 days, while the humidity remains high at 89%. In contrast, January has a slightly cooler average temperature of 5°C (42°F), though the maximum temperature can still reach 13°C (56°F) and the minimum temperature remains at -3°C (26°F). Precipitation decreases significantly to 105 mm (4.2 in) over just 14 days, yet humidity continues to hover at 89%. For more details, you can check Harlech weather in January.
December weather features a wider range of temperatures, with a minimum of -3°C (26°F) and a maximum of 13°C (55°F), while February experiences slightly colder mornings, with a minimum of -5°C (24°F) but a warmer maximum of 18°C (65°F). In terms of precipitation, December is rainier, accumulating 170 mm (6.7 in) over 20 days compared to February's 145 mm (5.7 in) over 17 days. Both months have high humidity levels, with December at 89% and February slightly lower at 88%. For a closer look at February's weather specifics, visit Harlech weather in February.
December and March exhibit notable differences in temperature and precipitation. In December, temperatures range from a chilly -3°C (26°F) at night to a mild 13°C (55°F) during the day, while March sees slightly colder nights with a minimum of -6°C (21°F) but warmer days, peaking at 18°C (65°F). Precipitation levels are slightly higher in December, with 170 mm (6.7 in) over 20 days compared to March's 138 mm (5.5 in) across 18 days, indicating a wetter December. Humidity remains relatively high in both months, with December at 89% and March slightly lower at 86%. For more details on weather patterns, check Harlech weather in March.
December and April present distinctly different weather patterns. In December, temperatures range from a chilling -3°C (26°F) to a mild 13°C (55°F), with an average of 6°C (44°F). The month also experiences a significant amount of precipitation, totaling 170 mm (6.7 in) over 20 days, accompanied by a high humidity of 89%. In contrast, April brings a noticeable warming trend, with temperatures ranging from -3°C (28°F) at the lowest to a pleasant maximum of 22°C (72°F), averaging 9°C (48°F). Precipitation decreases substantially to 58 mm (2.3 in) over just 12 days and humidity dips slightly to 84%. For a closer look at April conditions, you can visit Harlech weather in April.
December and May present notably different weather patterns. In December, temperatures range from a chilly -3°C (26°F) at night to a slightly milder average of 6°C (44°F), reaching a maximum of 13°C (55°F) during the day. The month is characterized by higher humidity at 89% and frequent rainfall, with precipitation occurring over 20 days and totaling 170 mm (6.7 in). In stark contrast, May brings warmer temperatures, with nighttime lows at around 0°C (32°F) and daytime highs averaging 27°C (80°F). It enjoys less precipitation, averaging 85 mm (3.3 in) over 13 days, and a lower humidity level of 79%. For more specific insights into the weather in Harlech during May, you can check out Harlech weather in May.
December and June present contrasting weather conditions. In December, temperatures range from a chilly -3°C (26°F) at their lowest to a mild 13°C (55°F) at their highest, with an average temperature of 6°C (44°F). The month sees significant precipitation, with around 170 mm (6.7 in) over 20 days and high humidity at 89%. In contrast, June experiences a more temperate climate, with average temperatures of 14°C (58°F), peaking at 28°C (83°F) and a minimum of 5°C (42°F). Precipitation decreases to 96 mm (3.8 in) spread over 16 days, and humidity levels are lower at 81%. For a closer look at June's weather specifics, you can visit Harlech weather in June.
The weather in December is characterized by chilly temperatures, with a minimum of -3°C (26°F) and an average of 6°C (44°F), reaching a maximum of 13°C (55°F). It is a notably wet month, receiving 170 mm (6.7 in) of precipitation spread over 20 days, accompanied by high humidity at 89%. In contrast, July presents a much warmer and drier climate, with temperatures starting at a minimum of 6°C (44°F), averaging 16°C (61°F), and peaking at 29°C (84°F). Rainfall in July is significantly lower at 91 mm (3.6 in) over 14 days, along with reduced humidity at 78%. For more details on weather patterns specific to July, you can visit Harlech weather in July.
December and August present contrasting weather patterns, reflecting the stark seasonal differences. In December, temperatures range from a chilly minimum of -3°C (26°F) to a maximum of 13°C (55°F), with an average of 6°C (44°F). The month tends to be quite damp, with 170 mm (6.7 in) of precipitation over about 20 days and a high humidity level of 89%. In contrast, August offers a milder climate, featuring temperatures that range from a minimum of 7°C (45°F) to a comfortable maximum of 27°C (80°F), averaging around 15°C (60°F). With 144 mm (5.7 in) of precipitation over the same number of days, August is slightly drier and has a lower humidity of 79%. For more detailed insights into the August weather, you can check Harlech weather in August.
December weather is notably colder than September, with average temperatures ranging from a chilly 6°C (44°F) to a maximum of 13°C (55°F), compared to September's more pleasant range of 13°C (56°F) to 27°C (82°F). Additionally, December experiences higher levels of precipitation, averaging 170 mm (6.7 in) over 20 days, while September sees slightly less at 130 mm (5.1 in) spread over 16 days. Humidity remains high in both months, but December's 89% is marginally greater than September's 85%, contributing to a damp, wintry feel in the final month of the year. For more insights into September weather, you can visit Harlech weather in September.
December and October showcase distinct climatic differences. In December, temperatures drop significantly, with an average of 6°C (44°F), while October enjoys a milder average of 11°C (52°F). The maximum temperatures in December reach only 13°C (55°F), compared to October’s more pleasant peak of 21°C (70°F). Both months experience considerable rainfall, with December receiving about 170 mm (6.7 in) over 20 days and October slightly lower at 161 mm (6.3 in) over 19 days. Humidity remains high in both months, with December at 89% and October at 90%. For detailed insights, refer to Harlech weather in October.
In comparing the weather between November and December, we see a notable drop in average temperatures as December averages around 6°C (44°F), compared to November's 8°C (47°F). The maximum temperatures also decrease slightly, with December peaking at 13°C (55°F) versus November's 15°C (59°F). December experiences more precipitation, totaling 170 mm (6.7 in) over 20 days, compared to November's 138 mm (5.4 in) over 19 days. Humidity remains high in both months, at 89% in December and 91% in November, creating a consistently damp atmosphere. For more details on November's climate, you can check Harlech weather in November.
As December envelops Harlech, the weather starkly contrasts with the milder months preceding it. With a notable dip in temperature and an increase in precipitation, this month sees the region shrouded in a blanket of dampness, creating a distinctly wintery atmosphere. The high humidity and frequent rainfall contribute to a chill that penetrates the air, making outdoor activities less inviting. While the landscape may appear less vibrant, the serene beauty of winter in Harlech offers a unique charm that invites visitors to embrace the season. For more details on what to expect throughout the year, visit Harlech Climate.