December Weather in Rhyl, United Kingdom

Last updated: March 17, 2025

December in Rhyl, United Kingdom, presents a chilly ambiance as temperatures hover between a maximum of 13°C (56°F) and a minimum of -4°C (26°F), with an average temperature of 6°C (44°F). Visitors can expect a substantial amount of rainfall, with 106 mm (4.2 in) falling over 17 days, contributing to the region's characteristic 89% humidity. This month, while cold and damp, offers a unique charm, perfect for cozy indoor activities and embracing the festive spirit amid the wintry landscape.

December Temperature in Rhyl

In Rhyl, United Kingdom, December ushers in a noticeable chill, with temperatures dipping to a minimum of -4°C (26°F) and peaking at a modest 13°C (56°F). This month marks one of the colder periods of the year, as temperatures continue to trend downward from November's slightly milder conditions. The average temperature settles at around 6°C (44°F), providing a brisk backdrop to the festive season. Compared to earlier months, December's temperatures reflect the transition into winter, highlighting a consistent drop from the comparatively warmer autumn months where highs lingered in the low double digits. As the year draws to a close, Rhyl’s weather serves as a reminder of the cozy, chilly days perfect for enjoying hot drinks and warming fires.

December Weather in Rhyl: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Rhyl, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec424344485359616157524643
Data source: Temperature data for Rhyl generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Rhyl

December in Rhyl marks the climax of the year’s rainfall, with precipitation reaching 106 mm (4.2 in)—the highest monthly total. This month sees 17 days of rain, contributing to a wet finish to the year. The trend indicates a steady increase in precipitation from the milder months of spring and summer, where rainfall is comparatively lower, culminating in this winter peak. Notably, as November transitions into December, the downward trend of earlier months gives way to a significant uptick, suggesting that holiday revelers in Rhyl should prepare for a splash of seasonal wetness, enhancing the cozy atmosphere of the month.

December Precipitation Trends in Rhyl

The chart displays monthly precipitation patterns in Rhyl, with values for each month alongside December's data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how December's conditions compare to those of other months.
JanFebMarAprMayJunJulAugSepOctNovDec6683895467989291939782106
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Rhyl

In December, Rhyl experiences a notable humidity level of 89%, marking a slight drop from November's peak of 91%. This suggests a gradual transition as the winter months approach, with humidity remaining relatively high compared to the earlier part of the year. Throughout the year, humidity levels in Rhyl gradually decrease from their January high of 89% to a low of 78% in the summer months of July and August, before trending upward again as autumn sets in. Overall, December maintains this pattern of elevated humidity, signaling the coastal town's characteristic dampness during the chill of winter while reflecting the broader seasonal shifts throughout the year.

December Average Humidity in Rhyl

This chart illustrates the average monthly humidity levels in Rhyl, with December's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how December's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec89%88%86%85%79%81%78%79%85%90%91%89%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Rhyl

In December, Rhyl experiences a UV Index of 1, indicating a low exposure category and a generous burn time of 45 minutes. This marks the onset of winter, where the sun's intensity is considerably diminished, reflecting a pattern of declining UV levels from the peak summer months. As the year progresses, we see a shift from a high of 8 in July to this low, showcasing how seasonal changes impact sun exposure. For more insights into Rhyl's UV levels throughout the year, check out the detailed Rhyl UV Index.

Maximum UV Index Levels in Rhyl for December

The chart shows the monthly maximum UV Index (UVI) for Rhyl in December, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec124578875421
Data source: Rhyl December UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

December Sunshine in Rhyl

December in Rhyl, United Kingdom, brings a modest 98 hours of sunshine, wrapping up the year with a notable drop from the previous months. This decline mirrors the general trend as daylight diminishes with the onset of winter, following the bountiful brightness of summer, where July boasts the peak at 405 hours. Throughout the year, Rhyl enjoys a gradual increase in sunshine, starting from a mere 88 hours in January, reaching a delightful high in May. As the seasons shift, the sun gradually recedes each autumn, leading to December's twilight. This seasonal rhythm not only defines the local climate but also shapes the picturesque charm of Rhyl during the festive month, inviting a reflective pause before the year turns anew.

Monthly Sunshine Duration in Rhyl: December Highlighted

The December sunshine duration represents the total number of hours Rhyl experiences direct sunlight during the month of December, excluding cloudy or obstructed periods. This chart compares the sunshine duration of December with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec88h153h211h322h398h379h405h369h297h225h114h98h
Data source: Rhyl December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Rhyl During December

In December, Rhyl, United Kingdom, typically sees a meager 18% chance of sunny weather, marking it as one of the cloudiest months of the year. This trend of diminishing sunshine is evident as the year draws to a close, particularly when compared to the brighter days of April, which boasts a significant 47% chance of sunshine. As winter settles in, December's likelihood of getting those coveted sun-soaked moments diminishes, echoing the patterns seen in the preceding months of autumn, where the chances hovered around 19% in October and 22% in November. With fewer sunny days on the horizon, those looking to enjoy the outdoors may want to embrace the cozy comforts of the season instead.

Percentage of Sunny Days in December in Rhyl

The chart illustrates the percentage of sunny days in Rhyl throughout the year, with December highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Rhyl experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec21%25%26%47%29%25%36%24%21%19%22%18%
Data source: Rhyl December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Rhyl in December

In Rhyl, United Kingdom, the daylight duration experiences a notable cycle throughout the year, peaking in the summer months and dipping to its lowest during winter. December brings just 7 hours of daylight, marking a sharp decline from the 16 hours enjoyed in June and July. As autumn wanes and winter settles in, the days grow shorter, creating a cozy atmosphere perfect for indoor festivities. This trend highlights the gradual transition from longer, bright days in the warmer months to the tranquil, subdued light characteristic of December, inviting residents to embrace the charm of the season as they prepare for the arrival of the new year.

Average Daylight Hours in Rhyl for December

The chart illustrates the variation in daylight duration in Rhyl throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 8m9h 50m11h 54m14h 1m15h 53m16h 53m16h 21m14h 40m12h 37m10h 30m8h 36m7h 35m
Data source: Rhyl daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Rhyl

As December settles in Rhyl, the wind speeds pick up slightly, averaging 4.5 m/s (10 mph), reflecting a trend of gradually increasing wind throughout the colder months. After a gentle decline from the summer's mild breezes, which saw the lowest averages in July, the winds start to strengthen once more as autumn gives way to winter. Specifically, December's winds echo the steadiness observed in both October and November, suggesting a consistent vigor in the air as the year draws to a close. With that brisk energy, Rhyl's coastal charm is invigorated, inviting locals and visitors alike to relish in the refreshing, salt-kissed winds of winter.

Average December Wind Speed in Rhyl

The chart displays monthly wind speed patterns in Rhyl, with values for each month shown alongside December's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how December's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec4.04.94.53.03.63.02.53.22.94.64.34.5 m/s
Data source: Rhyl December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Rhyl Compares to Other Months

The weather in Rhyl 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 Rhyl and find detailed weather information for every month.

December tends to be slightly cooler than January, with minimum temperatures dipping to -4°C (26°F) compared to -3°C (27°F) in January. Both months experience similar maximum temperatures, averaging around 6°C (44°F) in December and 5°C (42°F) in January. December also sees significantly higher precipitation, with 106 mm (4.2 in) over 17 days, whereas January has only 66 mm (2.6 in) spread over 12 days. Humidity remains consistent at 89% in both months. For a detailed look at the weather in January, check out this link: Rhyl weather in January.

December and February share similar average minimum temperatures, both hovering around -4°C (25-26°F). However, February tends to be milder overall, with maximum temperatures reaching up to 18°C (64°F), compared to December's peak of 13°C (56°F). Precipitation is slightly lower in February at 83 mm (3.3 in) over 14 days, while December sees more rain with 106 mm (4.2 in) spread across 17 days. Both months experience high humidity, with December at 89% and February slightly lower at 88%. For more details on the weather specific to that time of year, check out Rhyl weather in February.

In December, the weather is generally colder, with temperatures ranging from a minimum of -4°C (26°F) to a maximum of 13°C (56°F), and an average of 6°C (44°F). This month also experiences higher precipitation, totaling 106 mm (4.2 in) over 17 days, and a humidity level of 89%.

In contrast, March sees slightly milder conditions, with a lower minimum temperature of -6°C (22°F) but a higher maximum of 19°C (67°F), resulting in an average of 7°C (45°F). Precipitation decreases to 88 mm (3.5 in) across 15 days, and humidity is slightly lower at 86%. Overall, while both months can be damp and chilly, March tends to be warmer and slightly less wet than December. For more specifics about March weather, check out Rhyl weather in March.

December and April present contrasting weather patterns. In December, temperatures range from a chilly -4°C (26°F) to a mild 13°C (56°F), with an average temperature of 6°C (44°F). The month is characterized by high humidity at 89% and frequent precipitation, totaling 106 mm (4.2 in) over about 17 days. In contrast, April enjoys a broader temperature spectrum, from a minimum of -1°C (31°F) to a pleasant maximum of 22°C (72°F), with an average of 9°C (48°F). Additionally, it sees less rainfall at 54 mm (2.1 in) over 10 days, and humidity levels drop slightly to 84%. For more detailed insights into April weather, you can check Rhyl weather in April.

In December, temperatures tend to be chilly, with minimums dropping to -4°C (26°F) and an average of 6°C (44°F), while maximums reach only up to 13°C (56°F). This month also experiences considerable precipitation, averaging 106 mm (4.2 in) across 17 days with high humidity at 89%. In contrast, May brings milder temperatures, with a minimum of 0°C (33°F) and a comfortable average of 12°C (53°F), peaking at 27°C (80°F). Additionally, precipitation is lower at 67 mm (2.6 in) over 13 days, and humidity decreases to 79%. For a closer look at weather conditions in May, you can check Rhyl weather in May.

December and June exhibit striking contrasts in weather patterns. In December, temperatures range from a chilly -4°C (26°F) at night to a relatively mild 13°C (56°F) during the day, with an average of 6°C (44°F). The month is characterized by high humidity at 89% and significant precipitation, averaging 106 mm (4.2 in) across 17 days. In contrast, June presents a warmer climate with temperatures starting at a minimum of 6°C (44°F) and peaking at a maximum of 28°C (83°F), averaging 15°C (59°F). While June has slightly less precipitation at 98 mm (3.9 in) over 13 days, the humidity is lower at 81%. For more details on weather conditions during this vibrant month, check out Rhyl weather in June.

December and July present strikingly different weather patterns. In December, temperatures range from a chilly -4°C (26°F) to a mild 13°C (56°F), with an average of 6°C (44°F), while July boasts significantly warmer conditions with temperatures between 7°C (45°F) and a peak of 29°C (85°F), averaging 16°C (62°F). Precipitation is more frequent in December, occurring on 17 days and totaling 106 mm (4.2 in), compared to July’s 15 days and 92 mm (3.6 in). Additionally, December's humidity sits at a high 89%, making it feel damp and cold, whereas July's humidity drops to 78%, contributing to a more comfortable summer atmosphere. For more specific weather details, you can check Rhyl weather in July.

December and August showcase a dramatic contrast in weather characteristics. December experiences much colder temperatures, with averages around 6°C (44°F) and a minimum dipping to -4°C (26°F), while August enjoys milder conditions, featuring an average of 16°C (61°F) and a maximum reaching 28°C (83°F). In terms of precipitation, December sees slightly higher rainfall at 106 mm (4.2 in) across 17 days, compared to August's 91 mm (3.6 in) within the same number of days. Additionally, December's humidity is considerably higher at 89%, while August remains more comfortable with a humidity level of 79%. For more details about August weather, you can check Rhyl weather in August.

When comparing the weather in December and September, notable differences emerge. December experiences colder temperatures, with a minimum of -4°C (26°F) and an average of 6°C (44°F), while September is milder, with a minimum of 3°C (37°F) and an average of 14°C (57°F). Additionally, September boasts warmer maximum temperatures, reaching up to 27°C (81°F), compared to December's peak of 13°C (56°F). Precipitation levels are similar, with December seeing 106 mm (4.2 in) over 17 days and September slightly lower at 93 mm (3.7 in) over 14 days. Humidity is slightly higher in December at 89%, compared to 85% in September. For more details, you can check out Rhyl weather in September.

In comparing the weather of December and October, December is noticeably colder with average temperatures ranging from -4°C (26°F) to 13°C (56°F), while October boasts milder temperatures from -1°C (30°F) to 21°C (70°F). Precipitation levels in December are slightly higher, with 106 mm (4.2 in) over 17 days, compared to 97 mm (3.8 in) over 16 days in October. Additionally, December's humidity remains high at 89%, just slightly lower than October's 90%. For more detailed insights on October's climate, you can visit Rhyl weather in October.

As winter approaches, December's weather shows a noticeable drop in temperature compared to November. In December, the minimum temperature can reach -4°C (26°F), with an average of 6°C (44°F) and a maximum of 13°C (56°F). This is a shift from November's slightly milder temperatures, which range from a minimum of -2°C (29°F) and an average of 8°C (47°F) up to a maximum of 16°C (61°F). Additionally, December experiences more precipitation, totaling 106 mm (4.2 in) over 17 days, compared to November's 82 mm (3.2 in) over the same number of days. Humidity levels remain high in both months, with December slightly lower at 89% compared to November's 91%. For more detailed information on the weather in November, you can visit Rhyl weather in November.

Compare Rhyl's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Rhyl

As December settles in, Rhyl experiences a notable shift in weather compared to the milder months earlier in the year. The average temperature dips significantly, making it one of the colder months, with frequent frosty nights that can plunge to below freezing. This month also brings higher humidity levels and increased precipitation, resulting in about half the days drenched in rain. While the landscape may seem drab, December's weather sets the stage for a festive atmosphere, contrasting the more temperate climate of preceding months. For a deeper understanding of how Rhyl's December weather stacks up throughout the year, explore the full details at Rhyl Climate.