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December Weather in Westhead, United Kingdom

Last updated: August 27, 2025

In December, the average temperature in Westhead, United Kingdom hovers around 6°C (44°F). Expect chilly days, with temperatures dipping as low as -4°C (25°F) and occasionally reaching a high of 14°C (57°F). Be prepared for a fair amount of precipitation, totaling 115 mm (4.5 in) over 18 days, and brace for the significant humidity level of 89% that adds to the overall brisk atmosphere.

December Temperature in Westhead

In December in Westhead, the average temperature is 6°C (44°F). Maximums can reach 14°C (57°F), while minimums can drop to as low as -4°C (25°F). It's advisable to pack layers and be prepared for chilly weather during your travels.

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

The chart illustrates December temperature patterns in Westhead, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Westhead, December typically has an average temperature of 6°C (44°F), with highs reaching up to 14°C (57°F) and lows dropping to around -4°C (25°F).
JanFebMarAprMayJunJulAugSepOctNovDec424345485460626158534743
Data source: Temperature data for Westhead 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 Westhead

In Westhead in December, the precipitation amount is 115 mm (4.5 in) occurring over 18 days.

December Precipitation Trends in Westhead

The chart displays monthly precipitation patterns in Westhead, 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 Westhead, December typically receives around 115 mm (4.5 inches) of precipitation spread over approximately 18 days.
JanFebMarAprMayJunJulAugSepOctNovDec758897506297981199911897115
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Westhead

In Westhead in December, humidity is 89%. With an average temperature of 6°C (44°F), this humidity feels like an uncomfortable chill that clings to your skin, making it difficult to enjoy outdoor activities and ideal for layered clothing.

December Average Humidity in Westhead

This chart illustrates the average monthly humidity levels in Westhead, 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 Westhead is approximately 89%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%88%86%85%79%81%78%79%85%90%91%89%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Westhead

In Westhead 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 Westhead.

Maximum UV Index Levels in Westhead for December

The chart shows the monthly maximum UV Index (UVI) for Westhead 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 Westhead typically reaches 1, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec123578875421
Data source: Westhead 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 Westhead Compares to Other Months

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

This table compares monthly weather conditions in Westhead, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather6°C (42°F)75 mm (3.0 inches)89%low
February Weather6°C (43°F)88 mm (3.5 inches)88%low
March Weather7°C (45°F)97 mm (3.8 inches)86%moderate
April Weather9°C (49°F)50 mm (2.0 inches)84%moderate
May Weather12°C (54°F)62 mm (2.4 inches)79%high
June Weather15°C (60°F)97 mm (3.8 inches)81%very high
July Weather17°C (63°F)98 mm (3.9 inches)78%very high
August Weather16°C (62°F)119 mm (4.7 inches)79%high
September Weather14°C (58°F)99 mm (3.9 inches)85%moderate
October Weather11°C (53°F)117 mm (4.6 inches)90%moderate
November Weather8°C (47°F)97 mm (3.8 inches)91%low
December Weather6°C (44°F)115 mm (4.5 inches)89%low

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