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December Weather in Coulsdon, United Kingdom

Last updated: August 27, 2025

In December, the average temperature in Coulsdon, United Kingdom hovers around 6°C (44°F). Expect chilly days, with minimums dipping to -4°C (26°F) and maximums reaching up to 15°C (58°F). Rain is likely, with an average precipitation of 88 mm (3.5 in) spread over 14 days. The air is quite humid as well, with an average humidity level of 92%.

December Temperature in Coulsdon

In December in Coulsdon, the average temperature is 6°C (44°F). Maximums can reach 15°C (58°F), and minimums can drop as low as -4°C (26°F). It's advisable to pack layers for your trip to ensure comfort in varying temperatures.

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

The chart illustrates December temperature patterns in Coulsdon, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Coulsdon, December typically has an average temperature of 6°C (44°F), with highs reaching up to 15°C (58°F) and lows dropping to around -4°C (26°F).
JanFebMarAprMayJunJulAugSepOctNovDec414345495561656359534643
Data source: Temperature data for Coulsdon 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 Coulsdon

In Coulsdon in December, the precipitation amount is 88 mm (3.5 in) over the course of 14 days.

December Precipitation Trends in Coulsdon

The chart displays monthly precipitation patterns in Coulsdon, 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 Coulsdon, December typically receives around 88 mm (3.5 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec535656356482667446865688
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Coulsdon

In Coulsdon 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 Coulsdon

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

In Coulsdon 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 Coulsdon.

Maximum UV Index Levels in Coulsdon for December

The chart shows the monthly maximum UV Index (UVI) for Coulsdon 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 Coulsdon typically reaches 1, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec124678876421
Data source: Coulsdon 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 Coulsdon Compares to Other Months

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

This table compares monthly weather conditions in Coulsdon, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (41°F)53 mm (2.1 inches)91%low
February Weather6°C (43°F)56 mm (2.2 inches)89%low
March Weather7°C (46°F)56 mm (2.2 inches)86%moderate
April Weather9°C (49°F)35 mm (1.4 inches)85%high
May Weather13°C (55°F)64 mm (2.5 inches)79%high
June Weather16°C (62°F)82 mm (3.2 inches)80%very high
July Weather18°C (65°F)66 mm (2.6 inches)71%very high
August Weather17°C (64°F)74 mm (2.9 inches)76%high
September Weather15°C (59°F)45 mm (1.8 inches)82%high
October Weather12°C (54°F)86 mm (3.4 inches)90%moderate
November Weather8°C (47°F)56 mm (2.2 inches)92%low
December Weather6°C (44°F)88 mm (3.5 inches)92%low

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