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December Weather in Crynant, United Kingdom

Last updated: August 27, 2025

In December, the average temperature in Crynant, United Kingdom hovers around 6°C (43°F), with minimums dipping to -4°C (25°F) and maximums reaching 12°C (54°F). Expect 170 mm (6.7 in) of precipitation spread across 19 days, contributing to an overall humidity level of 89%. Stay prepared for a wet and chilly month!

December Temperature in Crynant

In December in Crynant, the average temperature is 6°C (43°F), with maximums reaching up to 12°C (54°F) and minimums dropping as low as -4°C (25°F). It's advisable to pack warm clothing for your travels during this time.

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

The chart illustrates December temperature patterns in Crynant, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Crynant, December typically has an average temperature of 6°C (43°F), with highs reaching up to 12°C (54°F) and lows dropping to around -4°C (25°F).
JanFebMarAprMayJunJulAugSepOctNovDec404243475258616056514543
Data source: Temperature data for Crynant 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 Crynant

In Crynant in December, the precipitation amount is 170 mm (6.7 in) over the course of 19 days.

December Precipitation Trends in Crynant

The chart displays monthly precipitation patterns in Crynant, 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 Crynant, December typically receives around 170 mm (6.7 inches) of precipitation spread over approximately 19 days.
JanFebMarAprMayJunJulAugSepOctNovDec10015312968107103107139110168135170
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Crynant

In Crynant in December, humidity is 89%. With an average temperature of 6°C (43°F), this humidity feels like a chilly, damp embrace that can make outdoor activities uncomfortable and energy-draining, often leading travelers to seek shelter indoors or dress in layers to cope with the cold and moist air.

December Average Humidity in Crynant

This chart illustrates the average monthly humidity levels in Crynant, 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 Crynant is approximately 89%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%88%86%84%80%80%70%73%79%89%90%89%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Crynant

In Crynant 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 Crynant.

Maximum UV Index Levels in Crynant for December

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

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

This table compares monthly weather conditions in Crynant, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (41°F)100 mm (4.0 inches)88%low
February Weather5°C (42°F)153 mm (6.0 inches)88%low
March Weather6°C (44°F)129 mm (5.1 inches)86%moderate
April Weather9°C (48°F)68 mm (2.7 inches)84%high
May Weather11°C (53°F)107 mm (4.2 inches)80%high
June Weather15°C (58°F)103 mm (4.1 inches)80%very high
July Weather16°C (61°F)107 mm (4.2 inches)70%very high
August Weather15°C (60°F)139 mm (5.5 inches)73%high
September Weather13°C (56°F)110 mm (4.3 inches)79%high
October Weather11°C (51°F)168 mm (6.6 inches)89%moderate
November Weather7°C (46°F)135 mm (5.3 inches)90%low
December Weather6°C (43°F)170 mm (6.7 inches)89%low

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