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December Weather in Glanamman, United Kingdom

Last updated: August 27, 2025

In December, the average temperature in Glanamman, United Kingdom hovers around 7°C (45°F), with a minimum drop to -3°C (26°F) and a pleasant maximum of 13°C (55°F). However, be prepared for a wet month, as precipitation averages 165 mm (6.5 in) over 19 days, coupled with a high humidity level of 89%.

December Temperature in Glanamman

In December in Glanamman, the average temperature is 7°C (45°F). Maximums can reach 13°C (55°F), and minimums can be as low as -3°C (26°F). It's advisable to pack layered clothing to stay comfortable while exploring the area.

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

The chart illustrates December temperature patterns in Glanamman, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Glanamman, 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 -3°C (26°F).
JanFebMarAprMayJunJulAugSepOctNovDec424345485359626157524745
Data source: Temperature data for Glanamman 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 Glanamman

In Glanamman in December, the precipitation amount is 165 mm (6.5 in) over the course of 19 days.

December Precipitation Trends in Glanamman

The chart displays monthly precipitation patterns in Glanamman, 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 Glanamman, December typically receives around 165 mm (6.5 inches) of precipitation spread over approximately 19 days.
JanFebMarAprMayJunJulAugSepOctNovDec9013110861919589127104152131165
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Glanamman

In Glanamman 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 Glanamman

This chart illustrates the average monthly humidity levels in Glanamman, 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 Glanamman is approximately 89%, offering insight into how humid the weather typically is during this month.
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 Glanamman

In Glanamman 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 Glanamman.

Maximum UV Index Levels in Glanamman for December

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

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

This table compares monthly weather conditions in Glanamman, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (42°F)90 mm (3.6 inches)88%low
February Weather6°C (43°F)131 mm (5.2 inches)88%low
March Weather7°C (45°F)108 mm (4.2 inches)86%moderate
April Weather9°C (49°F)61 mm (2.4 inches)84%high
May Weather12°C (53°F)91 mm (3.6 inches)80%high
June Weather15°C (59°F)95 mm (3.8 inches)80%very high
July Weather17°C (62°F)89 mm (3.5 inches)70%very high
August Weather16°C (61°F)127 mm (5.0 inches)73%high
September Weather14°C (58°F)104 mm (4.1 inches)79%high
October Weather11°C (53°F)152 mm (6.0 inches)89%moderate
November Weather8°C (47°F)131 mm (5.2 inches)90%low
December Weather7°C (45°F)165 mm (6.5 inches)89%low

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