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December Weather in Ardglass, United Kingdom

Last updated: August 27, 2025

In December, the average temperature in Ardglass, United Kingdom is a crisp 8°C (47°F). You can expect minimum temperatures dipping to 2°C (36°F), while the maximum can reach a mild 13°C (56°F). With an average precipitation of 99 mm (3.9 in) spread over 17 days, it's wise to carry an umbrella. Additionally, the average humidity hovers at a high 86%, giving the air a refreshing feel.

December Temperature in Ardglass

In December in Ardglass, the average temperature is 8°C (47°F). Maximums can reach 13°C (56°F), and minimums can be as low as 2°C (36°F). This mild climate makes it an ideal time for travelers to explore outdoor activities while enjoying the refreshing atmosphere.

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

The chart illustrates December temperature patterns in Ardglass, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ardglass, December typically has an average temperature of 8°C (47°F), with highs reaching up to 13°C (56°F) and lows dropping to around 2°C (36°F).
JanFebMarAprMayJunJulAugSepOctNovDec454545475256595957544946
Data source: Temperature data for Ardglass 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 Ardglass

In Ardglass in December, the precipitation amount is 99 mm (3.9 in) over a span of 17 days.

December Precipitation Trends in Ardglass

The chart displays monthly precipitation patterns in Ardglass, 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 Ardglass, December typically receives around 99 mm (3.9 inches) of precipitation spread over approximately 17 days.
JanFebMarAprMayJunJulAugSepOctNovDec61887637506870987210311099
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Ardglass

In Ardglass in December, humidity is 86%. With an average temperature of 8°C (47°F), this humidity feels like a chilling damp that penetrates your clothes, making outdoor adventures less enjoyable and encouraging you to seek warmth indoors rather than explore the sights.

December Average Humidity in Ardglass

This chart illustrates the average monthly humidity levels in Ardglass, 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 Ardglass is approximately 86%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%86%86%85%82%84%86%86%88%89%90%87%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Ardglass

In Ardglass 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 Ardglass.

Maximum UV Index Levels in Ardglass for December

The chart shows the monthly maximum UV Index (UVI) for Ardglass 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 Ardglass typically reaches 1, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec123578865321
Data source: Ardglass 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 Ardglass Compares to Other Months

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

This table compares monthly weather conditions in Ardglass, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather7°C (45°F)61 mm (2.4 inches)87%low
February Weather7°C (45°F)88 mm (3.5 inches)86%low
March Weather7°C (46°F)76 mm (3.0 inches)86%moderate
April Weather9°C (48°F)37 mm (1.5 inches)85%moderate
May Weather11°C (52°F)50 mm (2.0 inches)82%high
June Weather14°C (57°F)68 mm (2.7 inches)84%very high
July Weather15°C (60°F)70 mm (2.8 inches)86%very high
August Weather15°C (60°F)98 mm (3.8 inches)86%high
September Weather14°C (58°F)71 mm (2.8 inches)88%moderate
October Weather12°C (54°F)102 mm (4.0 inches)89%moderate
November Weather10°C (50°F)110 mm (4.3 inches)90%low
December Weather8°C (47°F)99 mm (3.9 inches)86%low

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