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December Weather in Lancing, United Kingdom

Last updated: August 27, 2025

In Lancing, United Kingdom, the average temperature in December hovers around 9°C (48°F), with a minimum of 2°C (35°F) and a maximum of 13°C (56°F). Expect precipitation of 138 mm (5.4 in) spread over 18 days, contributing to an average humidity of 92%.

December Temperature in Lancing

In December in Lancing, the average temperature is 9°C (48°F). Maximums can reach 13°C (56°F), while minimums can drop to as low as 2°C (35°F). It's advisable to pack layers to stay comfortable while exploring.

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

The chart illustrates December temperature patterns in Lancing, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Lancing, December typically has an average temperature of 9°C (48°F), with highs reaching up to 13°C (56°F) and lows dropping to around 2°C (35°F).
JanFebMarAprMayJunJulAugSepOctNovDec454546495459636462575148
Data source: Temperature data for Lancing 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 Lancing

In Lancing in December, the precipitation amount is 138 mm (5.4 in), occurring over the course of 18 days.

December Precipitation Trends in Lancing

The chart displays monthly precipitation patterns in Lancing, 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 Lancing, December typically receives around 138 mm (5.4 inches) of precipitation spread over approximately 18 days.
JanFebMarAprMayJunJulAugSepOctNovDec747867294765527463129110138
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Lancing

In Lancing in December humidity is 92%. With an average temperature of 9°C (48°F), this humidity feels like a heavy blanket enveloping you, making outdoor exploration quite challenging due to the stickiness in the air and the constant dampness that clings to your skin.

December Average Humidity in Lancing

This chart illustrates the average monthly humidity levels in Lancing, 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 Lancing is approximately 92%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%89%86%85%79%81%71%76%82%91%92%92%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Lancing

In Lancing 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 Lancing.

Maximum UV Index Levels in Lancing for December

The chart shows the monthly maximum UV Index (UVI) for Lancing 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 Lancing typically reaches 1, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec224678876421
Data source: Lancing 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 Lancing Compares to Other Months

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

This table compares monthly weather conditions in Lancing, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather7°C (45°F)74 mm (2.9 inches)91%low
February Weather7°C (45°F)78 mm (3.1 inches)89%low
March Weather8°C (47°F)67 mm (2.6 inches)86%moderate
April Weather9°C (49°F)29 mm (1.2 inches)85%high
May Weather12°C (54°F)47 mm (1.8 inches)79%high
June Weather15°C (59°F)65 mm (2.6 inches)80%very high
July Weather17°C (63°F)52 mm (2.0 inches)71%very high
August Weather18°C (64°F)74 mm (2.9 inches)76%high
September Weather16°C (62°F)63 mm (2.5 inches)82%high
October Weather14°C (58°F)129 mm (5.1 inches)90%moderate
November Weather11°C (52°F)110 mm (4.3 inches)92%low
December Weather9°C (48°F)138 mm (5.4 inches)92%low

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