December Weather in Rickmansworth, United Kingdom

Last updated: August 27, 2025

In December, the average temperature in Rickmansworth, United Kingdom hovers around 6°C (43°F), with a possible minimum of -5°C (23°F) and a maximum reaching 14°C (58°F). Prepare for 83 mm (3.3 in) of precipitation, typically spread over 14 days, and brace yourself for the high average humidity of 92%. Whether you're bundled up against the chill or navigating the rain, be ready for a month full of weather variety!

December Temperature in Rickmansworth

In December in Rickmansworth, the average temperature is 6°C (43°F). Maximums can reach 14°C (58°F), while minimums can drop to as low as -5°C (23°F). Be sure to pack warm layers and prepare for variable weather if you plan to travel during this time.

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

The chart illustrates December temperature patterns in Rickmansworth, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rickmansworth, December typically has an average temperature of 6°C (43°F), with highs reaching up to 14°C (58°F) and lows dropping to around -5°C (23°F).
JanFebMarAprMayJunJulAugSepOctNovDec404245495561656359534643
Data source: Temperature data for Rickmansworth 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 Rickmansworth

In Rickmansworth in December, the precipitation amount is 83 mm (3.3 in) spread over a period of 14 days.

December Precipitation Trends in Rickmansworth

The chart displays monthly precipitation patterns in Rickmansworth, 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 Rickmansworth, December typically receives around 83 mm (3.3 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec565257346674677151915483
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Rickmansworth

In Rickmansworth in December humidity is 92%. With an average temperature of 6°C (43°F), this humidity feels like a damp chill that seeps through your clothes, making outdoor activities uncomfortable and requiring extra layers for warmth while navigating the slick streets.

December Average Humidity in Rickmansworth

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

In Rickmansworth 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 Rickmansworth.

Maximum UV Index Levels in Rickmansworth for December

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

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

This table compares monthly weather conditions in Rickmansworth, 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)52 mm (2.0 inches)89%low
March Weather7°C (45°F)57 mm (2.2 inches)86%moderate
April Weather9°C (49°F)34 mm (1.3 inches)85%moderate
May Weather13°C (55°F)66 mm (2.6 inches)79%high
June Weather16°C (61°F)74 mm (2.9 inches)80%very high
July Weather18°C (65°F)67 mm (2.6 inches)71%very high
August Weather17°C (64°F)71 mm (2.8 inches)76%high
September Weather15°C (59°F)51 mm (2.0 inches)82%high
October Weather11°C (53°F)91 mm (3.6 inches)90%moderate
November Weather8°C (46°F)54 mm (2.1 inches)92%low
December Weather6°C (43°F)83 mm (3.3 inches)92%low

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