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December Weather in Llanrhian, United Kingdom

Last updated: August 27, 2025

In Llanrhian, United Kingdom, the average temperature in December hovers around 9°C (49°F), with a minimum of 3°C (38°F) and a maximum reaching 13°C (57°F). Expect 158 mm (6.2 in) of precipitation spread over 22 days, resulting in a cozy average humidity of 80%. Embrace the chill and prepare for a damp yet refreshing month!

December Temperature in Llanrhian

In December in Llanrhian, the average temperature is 9°C (49°F). The maximum can reach 13°C (57°F), and the minimum can be as low as 3°C (38°F). It's a great time for travelers to enjoy milder weather while exploring the sights of Llanrhian.

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

The chart illustrates December temperature patterns in Llanrhian, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Llanrhian, December typically has an average temperature of 9°C (49°F), with highs reaching up to 13°C (57°F) and lows dropping to around 3°C (38°F).
JanFebMarAprMayJunJulAugSepOctNovDec474646485256606159555149
Data source: Temperature data for Llanrhian 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 Llanrhian

In Llanrhian in December, the precipitation amount is 158 mm (6.2 in) during 22 days of the month.

December Precipitation Trends in Llanrhian

The chart displays monthly precipitation patterns in Llanrhian, 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 Llanrhian, December typically receives around 158 mm (6.2 inches) of precipitation spread over approximately 22 days.
JanFebMarAprMayJunJulAugSepOctNovDec819986505073629395130149158
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Llanrhian

In Llanrhian in December, humidity is 80%. With an average temperature of 9°C (49°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities less enjoyable and prompting a need for layered clothing to stay comfortable while traveling.

December Average Humidity in Llanrhian

This chart illustrates the average monthly humidity levels in Llanrhian, 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 Llanrhian is approximately 80%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec81%84%83%84%85%86%87%86%85%85%82%80%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Llanrhian

In Llanrhian 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 Llanrhian.

Maximum UV Index Levels in Llanrhian for December

The chart shows the monthly maximum UV Index (UVI) for Llanrhian 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 Llanrhian typically reaches 1, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec124678876421
Data source: Llanrhian 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 Llanrhian Compares to Other Months

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

This table compares monthly weather conditions in Llanrhian, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather8°C (47°F)81 mm (3.2 inches)81%low
February Weather8°C (46°F)99 mm (3.9 inches)84%low
March Weather8°C (47°F)86 mm (3.4 inches)83%moderate
April Weather9°C (49°F)50 mm (2.0 inches)84%high
May Weather11°C (52°F)50 mm (2.0 inches)85%high
June Weather14°C (57°F)73 mm (2.9 inches)86%very high
July Weather15°C (60°F)62 mm (2.4 inches)87%very high
August Weather16°C (61°F)93 mm (3.7 inches)86%high
September Weather15°C (59°F)95 mm (3.7 inches)85%high
October Weather13°C (56°F)130 mm (5.1 inches)85%moderate
November Weather11°C (51°F)148 mm (5.8 inches)82%low
December Weather9°C (49°F)158 mm (6.2 inches)80%low

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