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December Weather in Pengam, United Kingdom

Last updated: August 27, 2025

In December, the average temperature in Pengam, United Kingdom hovers around 6°C (42°F), with minimums reaching as low as -8°C (17°F) and maximums peaking at 13°C (55°F). Expect significant precipitation, totaling 129 mm (5.1 in) across approximately 17 days throughout the month, while the air maintains a high average humidity of 89%.

December Temperature in Pengam

In December in Pengam, the average temperature is 6°C (42°F). Maximums can reach 13°C (55°F), while minimums can dip as low as -8°C (17°F). Travelers should be prepared for chilly conditions and pack layers to ensure comfort during their visit.

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

The chart illustrates December temperature patterns in Pengam, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Pengam, December typically has an average temperature of 6°C (42°F), with highs reaching up to 13°C (55°F) and lows dropping to around -8°C (17°F).
JanFebMarAprMayJunJulAugSepOctNovDec404143475258616056514542
Data source: Temperature data for Pengam 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 Pengam

In Pengam in December, the total precipitation amount reaches 129 mm (5.1 in), occurring over a span of 17 days.

December Precipitation Trends in Pengam

The chart displays monthly precipitation patterns in Pengam, 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 Pengam, December typically receives around 129 mm (5.1 inches) of precipitation spread over approximately 17 days.
JanFebMarAprMayJunJulAugSepOctNovDec731121076491899110380132104129
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Pengam

In Pengam in December humidity is 89%. With an average temperature of 6°C (42°F), this humidity feels like a heavy blanket wrapping around you, making it challenging for traveling as you navigate the damp air that clings to your skin, leaving you longing for a warm, dry refuge.

December Average Humidity in Pengam

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

In Pengam 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 Pengam.

Maximum UV Index Levels in Pengam for December

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

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

This table compares monthly weather conditions in Pengam, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (40°F)73 mm (2.9 inches)88%low
February Weather5°C (41°F)112 mm (4.4 inches)88%low
March Weather6°C (43°F)107 mm (4.2 inches)86%moderate
April Weather8°C (47°F)64 mm (2.5 inches)84%high
May Weather11°C (52°F)91 mm (3.6 inches)80%high
June Weather14°C (58°F)89 mm (3.5 inches)80%very high
July Weather16°C (62°F)91 mm (3.6 inches)70%very high
August Weather15°C (60°F)103 mm (4.1 inches)73%high
September Weather13°C (56°F)80 mm (3.1 inches)79%high
October Weather10°C (51°F)132 mm (5.2 inches)89%moderate
November Weather7°C (45°F)104 mm (4.1 inches)90%low
December Weather6°C (42°F)129 mm (5.1 inches)89%low

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