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December Weather in Llanerchymedd, United Kingdom

Last updated: August 27, 2025

In December, the average temperature in Llanerchymedd, United Kingdom hovers around 8°C (46°F). Expect chilly conditions as lows can dip to 0°C (33°F), while highs reach a modest 13°C (56°F). With 125 mm (4.9 in) of precipitation over approximately 19 days, it's wise to bring an umbrella! The air tends to be quite damp, with an average humidity of 89%, making for a cool and rainy month.

December Temperature in Llanerchymedd

In December in Llanerchymedd, the average temperature is 8°C (46°F). Maximums can reach 13°C (56°F) and minimums can be as low as 0°C (33°F). This mild climate makes it a great time for travelers to explore the area's attractions while enjoying comfortable weather.

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

The chart illustrates December temperature patterns in Llanerchymedd, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Llanerchymedd, December typically has an average temperature of 8°C (46°F), with highs reaching up to 13°C (56°F) and lows dropping to around 0°C (33°F).
JanFebMarAprMayJunJulAugSepOctNovDec454546495459626158544946
Data source: Temperature data for Llanerchymedd 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 Llanerchymedd

In Llanerchymedd in December, the precipitation amount is 125 mm (4.9 in), occurring over a span of 19 days.

December Precipitation Trends in Llanerchymedd

The chart displays monthly precipitation patterns in Llanerchymedd, 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 Llanerchymedd, December typically receives around 125 mm (4.9 inches) of precipitation spread over approximately 19 days.
JanFebMarAprMayJunJulAugSepOctNovDec739998506182669593130115125
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Llanerchymedd

In Llanerchymedd in December humidity is 89%. With an average temperature of 8°C (46°F), this humidity feels like a chilly dampness that clings to your skin, making travel uncomfortable and necessitating extra layers to stay warm while you navigate the wet conditions.

December Average Humidity in Llanerchymedd

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

In Llanerchymedd 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 Llanerchymedd.

Maximum UV Index Levels in Llanerchymedd for December

The chart shows the monthly maximum UV Index (UVI) for Llanerchymedd 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 Llanerchymedd typically reaches 1, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec124578875421
Data source: Llanerchymedd 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 Llanerchymedd Compares to Other Months

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

This table compares monthly weather conditions in Llanerchymedd, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather7°C (45°F)73 mm (2.9 inches)89%low
February Weather7°C (45°F)98 mm (3.9 inches)88%low
March Weather8°C (46°F)98 mm (3.9 inches)86%moderate
April Weather9°C (49°F)50 mm (2.0 inches)84%moderate
May Weather12°C (54°F)61 mm (2.4 inches)79%high
June Weather15°C (59°F)82 mm (3.2 inches)81%very high
July Weather16°C (62°F)66 mm (2.6 inches)78%very high
August Weather16°C (61°F)95 mm (3.7 inches)79%high
September Weather15°C (58°F)93 mm (3.6 inches)85%moderate
October Weather12°C (54°F)130 mm (5.1 inches)90%moderate
November Weather9°C (49°F)115 mm (4.5 inches)91%low
December Weather8°C (46°F)125 mm (4.9 inches)89%low

Compare Llanerchymedd's Climate with Cities Worldwide