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December Weather in Wilton, United Kingdom

Last updated: August 27, 2025

In December, the average temperature in Wilton, United Kingdom hovers around 7°C (45°F). Expect chilly days with minimums plummeting to -3°C (27°F) and highs reaching up to 14°C (58°F). Be prepared for the likelihood of rain, as 94 mm (3.7 in) of precipitation is expected over 13 days. Plus, with an average humidity of 92%, the air will feel quite damp, adding to the cozy ambiance of the season.

December Temperature in Wilton

In December in Wilton, the average temperature is 7°C (45°F). Maximum temperatures can reach 14°C (58°F), while minimum temperatures can drop as low as -3°C (27°F). It's advisable to pack layers and prepare for a mix of cool and chilly weather during your travels.

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

The chart illustrates December temperature patterns in Wilton, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Wilton, December typically has an average temperature of 7°C (45°F), with highs reaching up to 14°C (58°F) and lows dropping to around -3°C (27°F).
JanFebMarAprMayJunJulAugSepOctNovDec424346495561646359534745
Data source: Temperature data for Wilton 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 Wilton

In Wilton in December, the precipitation amount is 94 mm (3.7 in) spread over 13 days.

December Precipitation Trends in Wilton

The chart displays monthly precipitation patterns in Wilton, 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 Wilton, December typically receives around 94 mm (3.7 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec5261674165795571471036494
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Wilton

In Wilton in December, humidity is 92%. With an average temperature of 7°C (45°F), this humidity feels like a damp chill that clings to your skin, making outdoor activities feel heavier and less enjoyable for traveling.

December Average Humidity in Wilton

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

In Wilton 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 Wilton.

Maximum UV Index Levels in Wilton for December

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

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

This table compares monthly weather conditions in Wilton, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (42°F)52 mm (2.0 inches)91%low
February Weather6°C (44°F)61 mm (2.4 inches)89%low
March Weather8°C (46°F)67 mm (2.6 inches)86%moderate
April Weather9°C (49°F)41 mm (1.6 inches)85%high
May Weather13°C (55°F)65 mm (2.6 inches)79%high
June Weather16°C (61°F)79 mm (3.1 inches)80%very high
July Weather18°C (65°F)55 mm (2.1 inches)71%very high
August Weather17°C (63°F)71 mm (2.8 inches)76%high
September Weather15°C (59°F)47 mm (1.9 inches)82%high
October Weather12°C (54°F)103 mm (4.1 inches)90%moderate
November Weather8°C (47°F)64 mm (2.5 inches)92%low
December Weather7°C (45°F)94 mm (3.7 inches)92%low

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