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December Weather in Llanllwchaiarn, United Kingdom

Last updated: August 27, 2025

In December, the average temperature in Llanllwchaiarn, United Kingdom hovers around 7°C (45°F). Expect a chill in the air, with minimum temperatures dipping to 0°C (33°F) and highs reaching up to 13°C (55°F). This time of year brings considerable precipitation, totaling about 179 mm (7.0 in) over approximately 22 days. Stay prepared for the wet weather with an average humidity level of 89%!

December Temperature in Llanllwchaiarn

In December in Llanllwchaiarn, the average temperature is 7°C (45°F). The maximum can reach 13°C (55°F), while the minimum can dip as low as 0°C (33°F). When traveling during this time, it's advisable to pack layers to stay comfortable amidst the changing temperatures.

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

The chart illustrates December temperature patterns in Llanllwchaiarn, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Llanllwchaiarn, December typically has an average temperature of 7°C (45°F), with highs reaching up to 13°C (55°F) and lows dropping to around 0°C (33°F).
JanFebMarAprMayJunJulAugSepOctNovDec434345485258616057534845
Data source: Temperature data for Llanllwchaiarn 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 Llanllwchaiarn

In Llanllwchaiarn in December, the total precipitation amount is 179 mm (7.0 in) spread over 22 days.

December Precipitation Trends in Llanllwchaiarn

The chart displays monthly precipitation patterns in Llanllwchaiarn, 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. In Llanllwchaiarn, December typically receives around 179 mm (7.0 inches) of precipitation spread over approximately 22 days.
JanFebMarAprMayJunJulAugSepOctNovDec103133127618510398128131169149179
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Llanllwchaiarn

In Llanllwchaiarn in December, humidity is 89%. With an average temperature of 7°C (45°F), this humidity feels like stepping into a damp cloud, making traveling quite uncomfortable as the moisture clings to your skin and clothes, turning even mild activity into a sweaty ordeal.

December Average Humidity in Llanllwchaiarn

This chart illustrates the average monthly humidity levels in Llanllwchaiarn, with December’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In December, average humidity in Llanllwchaiarn is approximately 89%, offering insight into how humid the weather typically is during this month.
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 Llanllwchaiarn

In Llanllwchaiarn in December, the maximum UV index is 1, which corresponds to a low Exposure Category. This means you have a time to burn of 45 minutes. For more details, you can check the Hourly UV Index in Llanllwchaiarn.

Maximum UV Index Levels in Llanllwchaiarn for December

The chart shows the monthly maximum UV Index (UVI) for Llanllwchaiarn 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. In December, the maximum UV index in Llanllwchaiarn typically reaches 1, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec124578876421
Data source: Llanllwchaiarn 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.

How December Weather in Llanllwchaiarn Compares to Other Months

Weather in Llanllwchaiarn varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Llanllwchaiarn, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Llanllwchaiarn, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather6°C (43°F)103 mm (4.1 inches)89%low
February Weather6°C (44°F)133 mm (5.2 inches)88%low
March Weather7°C (45°F)127 mm (5.0 inches)86%moderate
April Weather9°C (48°F)61 mm (2.4 inches)84%moderate
May Weather11°C (53°F)85 mm (3.4 inches)79%high
June Weather14°C (58°F)102 mm (4.0 inches)81%very high
July Weather16°C (61°F)98 mm (3.9 inches)78%very high
August Weather16°C (61°F)127 mm (5.0 inches)79%high
September Weather14°C (58°F)131 mm (5.2 inches)85%high
October Weather12°C (53°F)169 mm (6.6 inches)90%moderate
November Weather9°C (48°F)149 mm (5.9 inches)91%low
December Weather7°C (45°F)179 mm (7.0 inches)89%low

Compare Llanllwchaiarn's Climate with Cities Worldwide