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December Weather in Charlton, United Kingdom

Last updated: August 27, 2025

In December, the average temperature in Charlton, United Kingdom hovers around 6°C (44°F). You can expect minimums to dip to -4°C (26°F), while highs can reach up to 14°C (57°F). With 89 mm (3.5 in) of precipitation spread over 15 days, the region experiences a notably wet month, paired with an average humidity of 92%.

December Temperature in Charlton

In December in Charlton, the average temperature is 6°C (44°F). The maximum can reach 14°C (57°F), while the minimum can drop as low as -4°C (26°F). This range suggests that travelers should pack warm layers for their visit.

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

The chart illustrates December temperature patterns in Charlton, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Charlton, 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 (26°F).
JanFebMarAprMayJunJulAugSepOctNovDec414345485460646258524643
Data source: Temperature data for Charlton 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 Charlton

In Charlton in December, the precipitation amount is 89 mm (3.5 in) during 15 days of the month.

December Precipitation Trends in Charlton

The chart displays monthly precipitation patterns in Charlton, 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 Charlton, December typically receives around 89 mm (3.5 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec5662694574726374521036289
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Charlton

In Charlton in December, humidity is 92%. With an average temperature of 6°C (44°F), this humidity feels like a damp chill that clings to your skin, making outdoor explorations uncomfortable and leaving you longing for warmer, drier conditions.

December Average Humidity in Charlton

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

In Charlton 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 Charlton.

Maximum UV Index Levels in Charlton for December

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

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

This table compares monthly weather conditions in Charlton, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (41°F)56 mm (2.2 inches)91%low
February Weather6°C (43°F)62 mm (2.4 inches)89%low
March Weather7°C (45°F)69 mm (2.7 inches)86%moderate
April Weather9°C (49°F)45 mm (1.8 inches)85%moderate
May Weather12°C (54°F)74 mm (2.9 inches)79%high
June Weather16°C (61°F)72 mm (2.8 inches)80%very high
July Weather18°C (64°F)63 mm (2.5 inches)71%very high
August Weather17°C (62°F)74 mm (2.9 inches)76%high
September Weather14°C (58°F)52 mm (2.1 inches)82%high
October Weather11°C (53°F)103 mm (4.0 inches)90%moderate
November Weather8°C (46°F)62 mm (2.4 inches)92%low
December Weather6°C (44°F)89 mm (3.5 inches)92%low

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