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December Weather in Castledawson, United Kingdom

Last updated: August 27, 2025

In December, the average temperature in Castledawson, United Kingdom hovers around 6°C (43°F), with a chilly minimum of -7°C (20°F) and a milder maximum of 13°C (56°F). Expect 84 mm (3.3 in) of precipitation over approximately 15 days, contributing to a high average humidity of 86%. Stay prepared for a damp and cool climate during your visit!

December Temperature in Castledawson

In December in Castledawson, the average temperature is 6°C (43°F). The maximum can reach 13°C (56°F), while the minimum can drop as low as -7°C (20°F). Be sure to pack warm clothing and prepare for chilly weather if you plan to visit during this time.

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

The chart illustrates December temperature patterns in Castledawson, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Castledawson, December typically has an average temperature of 6°C (43°F), with highs reaching up to 13°C (56°F) and lows dropping to around -7°C (20°F).
JanFebMarAprMayJunJulAugSepOctNovDec414244475257605955504543
Data source: Temperature data for Castledawson 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 Castledawson

In Castledawson in December, the total precipitation amount is 84 mm (3.3 in) recorded over a span of 15 days.

December Precipitation Trends in Castledawson

The chart displays monthly precipitation patterns in Castledawson, 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 Castledawson, December typically receives around 84 mm (3.3 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec5892814871868612372858584
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Castledawson

In Castledawson in December humidity is 86%. With an average temperature of 6°C (43°F), this humidity feels like a chilling blanket enveloping you, making outdoor exploration feel damp and uncomfortable.

December Average Humidity in Castledawson

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

In Castledawson 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 Castledawson.

Maximum UV Index Levels in Castledawson for December

The chart shows the monthly maximum UV Index (UVI) for Castledawson 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 Castledawson typically reaches 1, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec124568875321
Data source: Castledawson 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 Castledawson Compares to Other Months

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

This table compares monthly weather conditions in Castledawson, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (42°F)58 mm (2.3 inches)87%low
February Weather6°C (42°F)92 mm (3.6 inches)86%low
March Weather6°C (44°F)81 mm (3.2 inches)86%moderate
April Weather8°C (47°F)48 mm (1.9 inches)85%moderate
May Weather11°C (52°F)71 mm (2.8 inches)82%high
June Weather14°C (57°F)85 mm (3.4 inches)84%very high
July Weather15°C (60°F)86 mm (3.4 inches)86%very high
August Weather15°C (59°F)123 mm (4.8 inches)86%high
September Weather13°C (56°F)72 mm (2.8 inches)88%moderate
October Weather10°C (51°F)85 mm (3.4 inches)89%moderate
November Weather7°C (46°F)85 mm (3.3 inches)90%low
December Weather6°C (43°F)84 mm (3.3 inches)86%low

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