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December Weather in South Chailey, United Kingdom

Last updated: August 27, 2025

In December, the average temperature in South Chailey, United Kingdom is a cool 7°C (44°F). Expect chilly nights with minimum temperatures dipping to -3°C (26°F), while pleasant daytime highs can reach up to 14°C (58°F). Be prepared for wet weather, as 102 mm (4.0 in) of precipitation may fall over the course of 14 days, accompanied by a high average humidity of 92%.

December Temperature in South Chailey

In December in South Chailey, the average temperature is 7°C (44°F). The maximum can reach 14°C (58°F), and the minimum can be as low as -3°C (26°F). Be sure to pack layers to stay comfortable while exploring the local attractions!

December Weather in South Chailey: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in South Chailey, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In South Chailey, December typically has an average temperature of 7°C (44°F), with highs reaching up to 14°C (58°F) and lows dropping to around -3°C (26°F).
JanFebMarAprMayJunJulAugSepOctNovDec414346495561646359544744
Data source: Temperature data for South Chailey 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 South Chailey

In South Chailey in December, the precipitation amount is 102 mm (4.0 in) over a period of 14 days.

December Precipitation Trends in South Chailey

The chart displays monthly precipitation patterns in South Chailey, 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 South Chailey, December typically receives around 102 mm (4.0 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec5760573565715870539267102
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in South Chailey

In South Chailey in December, humidity is 92%. With an average temperature of 7°C (44°F), this humidity feels like an oppressive blanket, making outdoor activities uncomfortable and travel cumbersome as the dampness seeps into your clothes and chills your bones.

December Average Humidity in South Chailey

This chart illustrates the average monthly humidity levels in South Chailey, 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 South Chailey is approximately 92%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%89%86%85%82%81%76%73%80%89%92%92%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in South Chailey

In South Chailey 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 South Chailey.

Maximum UV Index Levels in South Chailey for December

The chart shows the monthly maximum UV Index (UVI) for South Chailey 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 South Chailey typically reaches 1, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec124578876421
Data source: South Chailey 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 South Chailey Compares to Other Months

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

This table compares monthly weather conditions in South Chailey, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (41°F)57 mm (2.2 inches)91%low
February Weather6°C (43°F)60 mm (2.3 inches)89%low
March Weather8°C (46°F)57 mm (2.2 inches)86%moderate
April Weather9°C (49°F)35 mm (1.4 inches)85%moderate
May Weather13°C (55°F)65 mm (2.6 inches)82%high
June Weather16°C (61°F)71 mm (2.8 inches)81%very high
July Weather18°C (65°F)58 mm (2.3 inches)76%very high
August Weather17°C (64°F)70 mm (2.7 inches)73%high
September Weather15°C (59°F)53 mm (2.1 inches)80%high
October Weather12°C (54°F)92 mm (3.6 inches)89%moderate
November Weather8°C (47°F)67 mm (2.7 inches)92%low
December Weather7°C (44°F)102 mm (4.0 inches)92%low

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