December Weather in Barry, United Kingdom

Last updated: March 17, 2025

In December, Barry, United Kingdom, experiences a chilly climate, with temperatures ranging from a maximum of 13°C (56°F) to a minimum of -4°C (26°F), and an average temperature of 7°C (45°F). The month brings significant precipitation, with 130 mm (5.1 in) recorded over 17 days, contributing to an overall humidity level of 89%. This combination of cool temperatures and damp conditions defines the character of December, setting the scene for a quintessentially wintery atmosphere.

December Temperature in Barry

In Barry, United Kingdom, December marks a distinct transition into winter, with temperatures that reflect the chill of the season. The month sees a minimum temperature dipping to -4°C (26°F), while the average settles at a crisp 7°C (45°F), peaking at a modest 13°C (56°F). This reflects a slight decline in warmth compared to previous months, as November's maximum was a hefty 16°C (61°F). As the year draws to a close, the cooling trend becomes more apparent, emphasizing the cold yet beautiful winter atmosphere that envelops the town—perfect for cozy evenings and festive gatherings. It’s a time where warm jackets and hot beverages become essentials for residents and visitors alike.

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

The chart illustrates December temperature patterns in Barry, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec424345485460636258534745
Data source: Temperature data for Barry 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 Barry

In December, Barry, United Kingdom, experiences a notable uptick in precipitation, with 130 mm (5.1 in) of rainfall over 17 days, marking it as one of the wettest months of the year. This is just shy of the 135 mm recorded in October, which often showcases the onset of winter's influence. As temperatures drop, the frequency of rainy days increases, creating a stark contrast to the milder months of early and mid-autumn. The significant rainfall not only shapes the local landscape but also hints at colder conditions ahead, as the accumulation in December closely aligns with the seasonal pattern of increased moisture typical for late autumn, paving the way for a typical British winter.

December Precipitation Trends in Barry

The chart displays monthly precipitation patterns in Barry, 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.
JanFebMarAprMayJunJulAugSepOctNovDec751019857798485978113599130
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Barry

In December, Barry, United Kingdom, experiences a humidity level of 89%, maintaining a consistent trend observed throughout the colder months. This figure is slightly lower than the peak of 90% in November, yet aligns closely with the elevated humidity levels seen in October. As winter sets in, humidity tends to remain high, particularly from January to February, where it averages 88%. Overall, the data reveals a gradual decline in humidity from its autumn high, but December remains a season of considerable moisture, contributing to the town's characteristic winter chill.

December Average Humidity in Barry

This chart illustrates the average monthly humidity levels in Barry, 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%84%80%80%70%73%79%89%90%89%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Barry

As December rolls into Barry, United Kingdom, the UV Index drops to a mild 1, categorizing the exposure as low and allowing for a generous burn time of 45 minutes. This marks a return to cooler months, reminiscent of January and February, where UV levels remain consistently low. Throughout the year, the UV Index experiences notable peaks in the summer months, particularly in June and July, when it escalates to 8, indicating very high exposure with a reduced burn time of just 15 minutes. As we approach the winter, the floor of the UV Index serves as a reminder that while the sun may not be as fierce, it’s still wise to keep an eye on UV levels. For more details on UV trends throughout the year, visit Barry UV Index.

Maximum UV Index Levels in Barry for December

The chart shows the monthly maximum UV Index (UVI) for Barry 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.
JanFebMarAprMayJunJulAugSepOctNovDec124678876421
Data source: Barry 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 Barry

In Barry, United Kingdom, December brings a charming touch of winter with about 100 hours of sunshine, making it one of the less sunlit months of the year. This follows an interesting trend as the year transitions from the bright 399 hours of sun in July, gradually tapering off through the vibrant autumn months. By December, the day's light begins to wane significantly from the warmth of late spring and early summer, marked by 379 hours in May and 303 hours in April. Despite the shorter days, this month’s sunlight offers a cozy respite from the cold, inviting locals to embrace the season's festivities and the serene beauty of winter in this coastal town.

Monthly Sunshine Duration in Barry: December Highlighted

The December sunshine duration represents the total number of hours Barry 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.
JanFebMarAprMayJunJulAugSepOctNovDec81h134h192h303h379h355h399h345h279h224h121h100h
Data source: Barry December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Barry During December

In December, Barry, United Kingdom, experiences a modest likelihood of sunny weather with only a 20% chance of sunshine. This percentage marks the year's low, reflecting the typical shift to cooler, cloudier conditions as winter sets in. The data reveals a noticeable trend: while the spring months see a rise in sun exposure—peaking at 52% in April—the winter months, particularly December, tend to yield significantly less sunlight. As the season progresses from November’s 31% chance of sun to December’s 20%, residents can expect longer nights and less enthusiasm from the sun, making it a time when cozy indoor activities are often preferred.

Percentage of Sunny Days in December in Barry

The chart illustrates the percentage of sunny days in Barry 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 Barry experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec21%23%29%52%33%27%41%30%28%21%31%20%
Data source: Barry December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Barry in December

As December settles over Barry, United Kingdom, daylight starts to dwindle, offering just 7 hours of light. This month marks the culmination of a gradual decline in daylight hours that begins in late summer. Following a sun-drenched July with 16 hours of daylight, the days progressively shorten, with November dropping to 8 hours before the winter solstice. This trend highlights nature's cyclical rhythm, where the brightness of spring and summer gives way to the cozy, introspective charm of winter, inviting residents to embrace the shorter days by indulging in festive activities and the warmth of home. As the New Year approaches, there’s a gentle reminder that the days will soon begin to lengthen once again, paving the way for the vibrant resurgence of light come spring.

Average Daylight Hours in Barry for December

The chart illustrates the variation in daylight duration in Barry throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 24m9h 58m11h 55m13h 54m15h 38m16h 32m16h 3m14h 30m12h 35m10h 36m8h 50m7h 53m
Data source: Barry daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Barry

As the year draws to a close, December in Barry sees a noticeable uptick in wind speeds, averaging 5.3 m/s (12 mph), marking a return to stronger breezes after a generally calmer autumn. This increase from November’s 4.2 m/s (9 mph) creates a refreshing, invigorating atmosphere perfect for winter strolls along the waterfront. Notably, December's wind speed is higher than many months earlier in the year, further emphasizing the transition into a season where brisk conditions become more common. As Barry enters the winter months, residents can expect the gusts to playfully dance through the streets, making it a time of year when the wind’s presence is felt most vividly.

Average December Wind Speed in Barry

The chart displays monthly wind speed patterns in Barry, 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.
JanFebMarAprMayJunJulAugSepOctNovDec5.15.74.83.74.73.53.44.23.74.84.25.3 m/s
Data source: Barry December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Barry Compares to Other Months

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

In December, the weather typically features a wider range of temperatures, with minimums dropping to -4°C (26°F) and average highs reaching 13°C (56°F). This month also sees significant precipitation, averaging 130 mm (5.1 in) over 17 days, resulting in a high humidity level of 89%. In contrast, January offers slightly milder conditions, with temperatures ranging from a minimum of -3°C (27°F) to the same maximum of 13°C (56°F), but with less overall rainfall at 75 mm (3.0 in) across 12 days. The humidity in January is similar, at 88%. For more details on January weather, you can check out Barry weather in January.

In December, the weather is characterized by slightly warmer temperatures, with an average of 7°C (45°F) and maximum highs reaching 13°C (56°F). However, it also sees more precipitation, with 130 mm (5.1 in) falling over 17 days, contributing to a high humidity level of 89%. In contrast, February experiences a marginally cooler average temperature of 6°C (44°F) and higher maximums that can reach 15°C (60°F). February is drier, with precipitation totaling 101 mm (4.0 in) over 14 days, and a slightly lower humidity of 88%. For more detailed insights, you can check out Barry weather in February.

December weather tends to be chillier than March, with average temperatures ranging from a minimum of -4°C (26°F) to a maximum of 13°C (56°F). In comparison, March shows slightly milder conditions, with temperatures dipping to -5°C (22°F) at night but peaking at 18°C (65°F) during the day. While both months experience considerable precipitation, December is wetter, receiving 130 mm (5.1 in) over 17 days, whereas March sees 97 mm (3.8 in) across 15 days. Humidity levels are also high during both months, with December at 89% and March at 86%. For a detailed look at the weather in March, check out Barry weather in March.

In December, the weather is markedly colder, with average temperatures ranging from a chilly -4°C (26°F) to a mild 13°C (56°F). The month sees significant precipitation, totaling 130 mm (5.1 in) over 17 days, contributing to a high humidity level of 89%. In contrast, April brings a refreshing change with temperatures varying from a minimum of -1°C (30°F) to a pleasant maximum of 20°C (69°F), resulting in an average of 9°C (49°F). Precipitation in April decreases to 57 mm (2.2 in) spread across just 10 days, and humidity slightly drops to 84%. For more detailed insights into April weather, check out Barry weather in April.

December and May present striking contrasts in weather. In December, temperatures range from a chilly minimum of -4°C (26°F) to a mild maximum of 13°C (56°F), accompanied by high humidity at 89%. With an average precipitation of 130 mm (5.1 in) over 17 days, the month is often damp and cold. In contrast, May boasts much warmer conditions, with temperatures ranging from a minimum of 2°C (35°F) to a delightful maximum of 24°C (76°F). Average rainfall drops to 79 mm (3.1 in) over 12 days, and humidity decreases to 80%, creating a more pleasant and inviting atmosphere. For a closer look at Barry's weather specifically during May, visit Barry weather in May.

December and June present a stark contrast in weather. In December, temperatures can dip as low as -4°C (26°F), with an average of 7°C (45°F) and a maximum of 13°C (56°F). This month is characterized by high humidity at 89% and considerable precipitation, totaling 130 mm (5.1 in) over 17 days. In contrast, June brings milder conditions, with minimum temperatures of 7°C (45°F) and a comfortable average of 15°C (60°F), reaching highs of 27°C (82°F). The humidity is lower at 80%, and precipitation decreases to 84 mm (3.3 in) over just 12 days. For more detailed insights about the weather in Barry during June, you can visit Barry weather in June.

In December, temperatures are quite chilly, with a minimum of -4°C (26°F) and an average of 7°C (45°F), peaking at a maximum of 13°C (56°F). This month also sees significant precipitation, totaling 130 mm (5.1 in) over 17 days, and a high humidity level of 89%. In stark contrast, July offers much warmer weather, with temperatures ranging from a minimum of 9°C (48°F) to a comfortable average of 17°C (63°F), reaching highs of 28°C (82°F). Additionally, July experiences less rainfall, at 85 mm (3.3 in) spread over 12 days, and lower humidity at 70%. For more detailed information about the weather in July, you can check Barry weather in July.

In comparison to December, August experiences significantly milder temperatures, with averages around 17°C (62°F) compared to December's average of 7°C (45°F). While December can see minimum temperatures plummet to -4°C (26°F), August rarely dips below 9°C (48°F). Furthermore, August has less precipitation than December, with 97 mm (3.8 in) of rain over 13 days, while December sees 130 mm (5.1 in) across 17 days. Humidity levels are also lower in August at 73%, compared to December's high of 89%. For more details on Barry's weather in August, visit Barry weather in August.

When comparing the weather in December and September, we're met with notable contrasts. December experiences much colder temperatures, ranging from a minimum of -4°C (26°F) to a maximum of 13°C (56°F), while September boasts milder conditions with temperatures varying from 4°C (40°F) at night to a warm average of 15°C (59°F) and highs reaching 27°C (81°F). Additionally, December sees significantly higher precipitation, totaling 130 mm (5.1 in) over 17 days, compared to September's 81 mm (3.2 in) over 12 days. Humidity also plays a role, with December's levels at 89%, compared to 79% in September. For more details about the weather during this month, visit Barry weather in September.

The weather in December is notably colder than in October, with average temperatures ranging from a minimum of -4°C (26°F) to a maximum of 13°C (56°F), compared to October's milder range of 1°C (33°F) to 21°C (70°F). Both months experience similar levels of precipitation, with December totaling 130 mm (5.1 in) over 17 days and October slightly higher at 135 mm (5.3 in) across 16 days. Humidity remains consistent throughout these months at 89%, but the chill of December contrasts sharply with the more temperate conditions of October. For more detailed information, you can check Barry weather in October.

In December, the weather becomes noticeably colder compared to November, with temperatures ranging from a minimum of -4°C (26°F) to a maximum of 13°C (56°F), while November experiences milder temperatures, with a minimum of -1°C (30°F) and a maximum of 16°C (61°F). Precipitation increases in December to 130 mm (5.1 in) over 17 days, compared to November's 99 mm (3.9 in) over 15 days, indicating a wetter month ahead. Furthermore, humidity remains fairly consistent, with December at 89% and November slightly higher at 90%. For a closer look at November's conditions, you can check out Barry weather in November.

Compare Barry's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Barry

As December rolls in, Barry transforms into a cooler and wetter landscape compared to the preceding months. With an average temperature hovering around 7°C, it feels distinctly chillier, especially as the minimum dips to -4°C on occasion. The air is heavy with an 89% humidity, making those grey, drizzly days more palpable, as 130 mm of precipitation falls across 17 days. This stark shift not only marks the end of the year but also creates a unique atmosphere that contrasts sharply with the mildness of autumn. For a comprehensive overview of Barry's climate patterns, visit Barry Climate.