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December Weather in Maentwrog, United Kingdom

Last updated: August 27, 2025

In December, the average temperature in Maentwrog, United Kingdom hovers around 6°C (43°F). Expect a minimum chill of -6°C (21°F) and a maximum warmth reaching 12°C (54°F). Prepare for a decent amount of rainfall, with 165 mm (6.5 in) expected over 20 days, and don't forget your umbrella—average humidity is a high 89%!

December Temperature in Maentwrog

In December in Maentwrog, the average temperature is 6°C (43°F). Maximums can reach 12°C (54°F), while minimums can drop to as low as -6°C (21°F). Be prepared for chilly conditions and pack accordingly if you plan to travel during this time.

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

The chart illustrates December temperature patterns in Maentwrog, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Maentwrog, 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 -6°C (21°F).
JanFebMarAprMayJunJulAugSepOctNovDec404143465157605955504542
Data source: Temperature data for Maentwrog 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 Maentwrog

In Maentwrog in December, the precipitation amount is 165 mm (6.5 in) over the course of 20 days.

December Precipitation Trends in Maentwrog

The chart displays monthly precipitation patterns in Maentwrog, 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 Maentwrog, December typically receives around 165 mm (6.5 inches) of precipitation spread over approximately 20 days.
JanFebMarAprMayJunJulAugSepOctNovDec103148141658810298153126163133165
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Maentwrog

In Maentwrog 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 Maentwrog

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

In Maentwrog 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 Maentwrog.

Maximum UV Index Levels in Maentwrog for December

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

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

This table compares monthly weather conditions in Maentwrog, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (41°F)103 mm (4.0 inches)89%low
February Weather5°C (41°F)147 mm (5.8 inches)88%low
March Weather6°C (43°F)141 mm (5.6 inches)86%moderate
April Weather8°C (47°F)65 mm (2.5 inches)84%moderate
May Weather11°C (51°F)88 mm (3.5 inches)79%high
June Weather14°C (57°F)102 mm (4.0 inches)81%very high
July Weather15°C (60°F)98 mm (3.9 inches)78%very high
August Weather15°C (59°F)153 mm (6.0 inches)79%high
September Weather13°C (55°F)126 mm (5.0 inches)85%moderate
October Weather10°C (50°F)163 mm (6.4 inches)90%moderate
November Weather7°C (45°F)133 mm (5.2 inches)91%low
December Weather6°C (43°F)165 mm (6.5 inches)89%low

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