December Weather in Penmaenmawr, United Kingdom

Last updated: March 17, 2025

Experience the December weather in Penmaenmawr, United Kingdom, where the chill of winter takes hold. With maximum temperatures reaching 13°C (56°F), the average hovers around a brisk 6°C (44°F), dropping to a chilly -3°C (26°F) at night. This month sees 128 mm (5.0 in) of precipitation over 20 days, contributing to a humid atmosphere with an impressive 89% humidity level. As you navigate the damp and cool conditions, be prepared for a true taste of winter in this scenic coastal locale.

December Temperature in Penmaenmawr

In December, Penmaenmawr, United Kingdom, experiences a noticeable shift as winter sets in, marked by a minimum temperature of -3°C (26°F) that hints at the chill of the season. The average temperature hovers around 6°C (44°F), offering a modest respite from the stark cold, while the daytime peaks can reach a comfortable 13°C (56°F). Compared to earlier months, where temperatures were more varied with highs approaching 30°C (87°F) in July, December’s figures reflect a clear downward trend as the year comes to a close. This transition into winter not only evokes a need for warmer attire but also sets the stage for cozy gatherings and the festive spirit, making Penmaenmawr a charming destination during this cold yet inviting month.

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

The chart illustrates December temperature patterns in Penmaenmawr, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec424344475258616056524643
Data source: Temperature data for Penmaenmawr 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 Penmaenmawr

December in Penmaenmawr, United Kingdom, brings a noticeable increase in precipitation, with 128 mm (5.0 in) of rain observed over the course of the month, marking it as one of the wettest times of the year. This substantial rainfall occurs across approximately 20 days, highlighting December's characteristic dampness. Following a month-to-month trend, December not only surpasses the precipitation amounts of previous months but also reflects an uptick in rainy days compared to November. This trend reinforces the notion that the onset of winter in this coastal town is marked by more frequent and heavier rainfall, contributing to the region's lush greenery and vibrant landscapes amidst the colder weather.

December Precipitation Trends in Penmaenmawr

The chart displays monthly precipitation patterns in Penmaenmawr, 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.
JanFebMarAprMayJunJulAugSepOctNovDec7810310558789893109101122103128
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Penmaenmawr

In December, Penmaenmawr experiences a humidity level of 89%, maintaining a trend observed throughout the winter months. After a gradual decline from the higher levels of 91% in November and 90% in October, December sees a slight drop but not a drastic change, emphasizing the region's characteristic moisture. This time of year showcases a refreshing return to the humid conditions reminiscent of early winter, contrasting with the drier air prevalent during the summer months, where humidity dipped as low as 78% in July. As the year closes, Penmaenmawr's humidity remains steady, reflecting the coastal climate's influence and the approach of the colder season.

December Average Humidity in Penmaenmawr

This chart illustrates the average monthly humidity levels in Penmaenmawr, 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 Penmaenmawr

In December, Penmaenmawr experiences a low UV Index of 1, similar to the beginning of the year in January and November, indicating minimal risk for sunburn with a relatively safe burn time of 45 minutes. As the seasons progress from spring to summer, the UV Index reaches a peak of 8 in both June and July, emphasizing the importance of sun protection during these months. Notably, as the year winds down, the UV levels drop back to low, reminding residents and visitors that winter sun exposure is less intense. This seasonal fluctuation highlights the changing sun intensity, encouraging people to adjust their sun safety measures accordingly throughout the year. For more information on sun exposure, visit Penmaenmawr UV Index.

Maximum UV Index Levels in Penmaenmawr for December

The chart shows the monthly maximum UV Index (UVI) for Penmaenmawr 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: Penmaenmawr 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 Penmaenmawr

In Penmaenmawr, the month of December experiences a modest 106 hours of sunshine, reflecting a notable dip in daylight as the year winds down. This signals a clear trend as winter sets in, with sunlight peaking during the vibrant spring and summer months; from January's mere 93 hours gradually rising to a splendid 421 hours in July. As the seasons shift, the hours subtly diminish, with November already hinting at shorter days with only 124 hours. December continues this decline, but the cozy charm of the holiday season amidst the soft winter light offers a unique beauty, inviting locals and visitors alike to appreciate the serene landscape enveloped in calm.

Monthly Sunshine Duration in Penmaenmawr: December Highlighted

The December sunshine duration represents the total number of hours Penmaenmawr 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.
JanFebMarAprMayJunJulAugSepOctNovDec93h160h226h331h412h400h421h385h313h237h124h106h
Data source: Penmaenmawr December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Penmaenmawr During December

In Penmaenmawr, United Kingdom, the likelihood of sunny weather in December stands at a modest 20%, which aligns with the rather gloomy trend of late autumn and winter months. While the chance of sunshine sees a peak in April with 45%, December's figures reflect a consistent pattern of lower probabilities, similar to November at 19% and just slightly above the cloudier months of October and September. As the year winds down, the optimism for a sunny December seems limited, mirroring the overall dip in sunny days experienced throughout winter. For those yearning for brighter skies, it’s advisable to manage expectations as the chilly coastal air blankets this charming Welsh town.

Percentage of Sunny Days in December in Penmaenmawr

The chart illustrates the percentage of sunny days in Penmaenmawr 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 Penmaenmawr experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec20%23%25%45%27%25%34%23%19%17%19%20%
Data source: Penmaenmawr December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Penmaenmawr in December

As the year draws to a close in December, Penmaenmawr experiences a notable dip in daylight duration, with only 7 hours of sunlight available each day. This marks the lowest point in a year characterized by shifting light, where daylight steadily increases from 8 hours in January to a peak of 16 hours in both June and July. Following the vibrant, long days of summer, the gradual decline is evident as we move through the autumn months of October and November, which see 10 and 8 hours of daylight respectively. By December, the stark contrast serves as a reminder of the cyclical nature of the seasons, inviting residents to embrace cozy indoor activities while they await the return of longer days.

Average Daylight Hours in Penmaenmawr for December

The chart illustrates the variation in daylight duration in Penmaenmawr 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 52m16h 20m14h 39m12h 37m10h 30m8h 37m7h 35m
Data source: Penmaenmawr daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Penmaenmawr

In December, the coastal town of Penmaenmawr experiences an average wind speed of 4.3 m/s (10 mph), marking a slight increase from the previous month. This uptick aligns with the trend observed in the latter part of the year, where wind speeds generally rise from the calmer summer months. Notably, October and November exhibited higher gusts of 4.7 m/s (11 mph) and 4.2 m/s (9 mph), respectively, indicating a seasonal shift as winter approaches. While December may not be the windiest month, it continues to reflect the gradual intensification of winds typical of this time of year, offering a brisk and invigorating atmosphere for residents and visitors alike.

Average December Wind Speed in Penmaenmawr

The chart displays monthly wind speed patterns in Penmaenmawr, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.95.04.62.93.53.32.43.32.94.74.24.3 m/s
Data source: Penmaenmawr December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Penmaenmawr Compares to Other Months

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

In December, temperatures in Penmaenmawr range from a minimum of -3°C (26°F) to a maximum of 13°C (56°F), with an average of 6°C (44°F). This month experiences significant precipitation of 128 mm (5.0 in) over 20 days, resulting in a high humidity level of 89%. In contrast, January sees slightly cooler temperatures, with a minimum of -4°C (24°F) and an average of 5°C (42°F), peaking at 14°C (57°F). Precipitation decreases to 78 mm (3.1 in) spread over 13 days, while humidity remains consistent at 89%. For further details, check out Penmaenmawr weather in January.

In December, temperatures in Penmaenmawr range from a minimum of -3°C (26°F) to a maximum of 13°C (56°F), with an average temperature of 6°C (44°F). The month experiences significant precipitation, totaling 128 mm (5.0 in) over approximately 20 days, and humidity levels are relatively high at 89%. In contrast, February brings slightly cooler temperatures, with a minimum of -5°C (23°F) and a maximum of 19°C (66°F), averaging at 6°C (43°F). Precipitation decreases to 103 mm (4.1 in) over about 16 days, and humidity remains similar at 88%. For more detailed weather insights, check out Penmaenmawr weather in February.

December weather in Penmaenmawr is characterized by a cool average temperature of 6°C (44°F), with minimums dropping to -3°C (26°F) and maximums reaching 13°C (56°F). The month sees significant precipitation, totaling 128 mm (5.0 in) over around 20 days, accompanied by high humidity levels of 89%. In contrast, March brings slightly milder conditions, with average temperatures rising to 7°C (44°F), minimums dipping to -6°C (22°F), and maximums peaking at 18°C (65°F). Precipitation decreases to 105 mm (4.1 in) over 17 days, and humidity levels are slightly lower at 86%. To learn more about the weather specifics for this month, visit Penmaenmawr weather in March.

December and April present contrasting weather patterns. In December, temperatures can drop as low as -3°C (26°F), with an average temperature around 6°C (44°F), and a maximum of 13°C (56°F). This month typically sees a significant amount of precipitation, measuring 128 mm (5.0 in) over approximately 20 days, contributing to a high humidity level of 89%. In contrast, April experiences milder weather, with temperatures ranging from a minimum of -2°C (28°F) to a pleasant maximum of 22°C (73°F) and an average of 9°C (48°F). Precipitation decreases sharply to 58 mm (2.3 in) over 12 days, resulting in a slightly lower humidity of 84%. For more details on April weather conditions, you can check Penmaenmawr weather in April.

December weather is marked by chilly temperatures, with a minimum of -3°C (26°F) and an average of 6°C (44°F), peaking at 13°C (56°F). The month experiences significant precipitation, totaling 128 mm (5.0 in) over 20 days, combined with high humidity at 89%. In contrast, May offers a much milder climate, with temperatures ranging from a minimum of -1°C (31°F) to an average of 11°C (53°F) and a maximum reaching 28°C (82°F). Precipitation decreases to 78 mm (3.1 in) across 13 days, and humidity also drops to 79%. Overall, May presents a more pleasant and less soggy weather experience compared to the cold, wet December. For more detailed insight, check out Penmaenmawr weather in May.

In December, the weather tends to be quite chilly, with temperatures ranging from a brisk -3°C (26°F) to a mild 13°C (56°F), and an average temperature of around 6°C (44°F). The month sees considerable precipitation, with 128 mm (5.0 in) spread over approximately 20 days, resulting in a high humidity level of 89%. In contrast, June experiences much warmer conditions, featuring temperatures that vary from a minimum of 4°C (40°F) to a maximum of 29°C (85°F), averaging 15°C (58°F). Rainfall is less frequent, with total precipitation at 98 mm (3.8 in) over about 13 days, and humidity levels dropping to 81%. For more details on the weather during this month, you can check out Penmaenmawr weather in June.

December and July present strikingly different weather patterns. In December, temperatures range from a chilly -3°C (26°F) to a moderate 13°C (56°F), with an average of 6°C (44°F), accompanied by high humidity at 89%. The month sees significant precipitation, with 128 mm (5.0 in) falling over 20 days. In contrast, July offers a warmer climate with temperatures spanning from 6°C (43°F) at night to a maximum of 30°C (87°F) during the day, averaging around 16°C (61°F). Rainfall is lighter, totaling 93 mm (3.7 in) across 16 days, and humidity is notably lower at 78%. For a more detailed look at July weather, check out Penmaenmawr weather in July.

December and August present stark contrasts in weather conditions. In December, temperatures can dip as low as -3°C (26°F), with an average of 6°C (44°F) and highs reaching 13°C (56°F). This month is characterized by significant precipitation, totaling 128 mm (5.0 in) over about 20 days, alongside high humidity levels at 89%. In contrast, August boasts much milder temperatures, with a minimum of 6°C (44°F), an average of 15°C (60°F), and maximums reaching 27°C (80°F). Precipitation is slightly lower at 109 mm (4.3 in) and occurs over 18 days, while humidity is also lower at 79%. For a closer look at the weather specifics in August, you can visit Penmaenmawr weather in August.

In comparing the weather between December and September, one can observe significant differences in temperature and precipitation. December features a chilly range with minimum temperatures dipping to -3°C (26°F) and an average of 6°C (44°F), while September offers a milder climate with temperatures ranging from a minimum of 2°C (36°F) to an average of 14°C (57°F) and highs reaching up to 27°C (81°F). Additionally, December sees higher precipitation levels at 128 mm (5.0 in) over 20 days, compared to September's 100 mm (4.0 in) over just 15 days. Humidity also remains slightly elevated in December at 89%, compared to September's 85%. For a closer look at September weather specifics, visit Penmaenmawr weather in September.

When comparing the weather in December to that of October, we see notable differences in both temperature and precipitation patterns. December experiences a lower average temperature of 6°C (44°F), with maximums reaching only 13°C (56°F), while October enjoys milder conditions, with an average of 11°C (52°F) and maximum highs of 21°C (71°F). Precipitation levels are similar, with December recording 128 mm (5.0 in) over 20 days and October slightly less at 122 mm (4.8 in) over 19 days. Additionally, the humidity is slightly higher in December at 89%, compared to October's 90%, creating a damp atmosphere as winter sets in. For more details on October weather, you can visit Penmaenmawr weather in October.

In comparing the weather of December and November, December tends to be slightly colder, with average temperatures ranging from a minimum of -3°C (26°F) to a maximum of 13°C (56°F), compared to November's averages of -2°C (28°F) and 15°C (60°F). Additionally, December experiences more precipitation, totaling 128 mm (5.0 in) over 20 days, while November sees 103 mm (4.1 in) across 19 days. Despite this, humidity levels are only marginally lower in December at 89%, compared to November's 91%. For a closer look at November's weather, you can check Penmaenmawr weather in November.

Compare Penmaenmawr's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Penmaenmawr

As December settles over Penmaenmawr, the weather takes a distinctly chillier turn compared to the milder autumn months. With an average temperature hovering around 6°C and a maximum rarely exceeding 13°C, residents and visitors experience a refreshing shift that often brings a light blanket of frost, especially with lows dipping to -3°C. Precipitation becomes a familiar companion, with about 20 days of rain contributing to a substantial total of 128 mm for the month, making it one of the wetter times of the year. This increased humidity, averaging 89%, enhances the cold air, creating a crisp atmosphere perfect for enjoying cozy indoor pursuits or scenic winter walks along the coastline. For those seeking to understand more about this unique climate, visit Penmaenmawr Climate for detailed insights.