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December Weather in Y Felinheli, United Kingdom

Last updated: August 27, 2025

In December, the average temperature in Y Felinheli, United Kingdom hovers around 7°C (45°F), but be prepared for a range from a chilly -1°C (30°F) to a mild 13°C (56°F). With an average precipitation of 129 mm (5.1 in) spread over 20 days, and a high humidity level of 89%, it's wise to pack your umbrella and dress in layers!

December Temperature in Y Felinheli

In December in Y Felinheli, the average temperature is 7°C (45°F). Maximum temperatures can reach 13°C (56°F), while minimums can dip to as low as -1°C (30°F). Be sure to pack warm clothing if you're planning to travel during this month!

December Weather in Y Felinheli: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Y Felinheli, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Y Felinheli, December typically has an average temperature of 7°C (45°F), with highs reaching up to 13°C (56°F) and lows dropping to around -1°C (30°F).
JanFebMarAprMayJunJulAugSepOctNovDec434445485358616057524745
Data source: Temperature data for Y Felinheli 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 Y Felinheli

In Y Felinheli in December, the total precipitation amount is 129 mm (5.1 in) over the course of 20 days.

December Precipitation Trends in Y Felinheli

The chart displays monthly precipitation patterns in Y Felinheli, 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 Y Felinheli, December typically receives around 129 mm (5.1 inches) of precipitation spread over approximately 20 days.
JanFebMarAprMayJunJulAugSepOctNovDec771031045571918210598128111129
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Y Felinheli

In Y Felinheli in December, humidity is 89%. With an average temperature of 7°C (45°F), this humidity feels like stepping into a damp cloud, making traveling quite uncomfortable as the moisture clings to your skin and clothes, turning even mild activity into a sweaty ordeal.

December Average Humidity in Y Felinheli

This chart illustrates the average monthly humidity levels in Y Felinheli, 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 Y Felinheli is approximately 89%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%88%86%85%79%81%78%79%85%90%91%89%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Y Felinheli

In Y Felinheli 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 Y Felinheli.

Maximum UV Index Levels in Y Felinheli for December

The chart shows the monthly maximum UV Index (UVI) for Y Felinheli 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 Y Felinheli typically reaches 1, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec124578875421
Data source: Y Felinheli 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 Y Felinheli Compares to Other Months

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

This table compares monthly weather conditions in Y Felinheli, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather6°C (43°F)77 mm (3.0 inches)89%low
February Weather6°C (44°F)103 mm (4.1 inches)88%low
March Weather7°C (45°F)104 mm (4.1 inches)86%moderate
April Weather9°C (48°F)55 mm (2.2 inches)84%moderate
May Weather12°C (53°F)71 mm (2.8 inches)79%high
June Weather15°C (59°F)91 mm (3.6 inches)81%very high
July Weather16°C (61°F)82 mm (3.2 inches)78%very high
August Weather16°C (61°F)105 mm (4.1 inches)79%high
September Weather14°C (57°F)98 mm (3.9 inches)85%moderate
October Weather11°C (53°F)128 mm (5.1 inches)90%moderate
November Weather9°C (48°F)111 mm (4.4 inches)91%low
December Weather7°C (45°F)129 mm (5.1 inches)89%low

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