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December Weather in Cullen, United Kingdom

Last updated: August 27, 2025

In December, the average temperature in Cullen, United Kingdom hovers around 7°C (44°F), with a minimum of 2°C (36°F) and a peak of 12°C (54°F). Expect 107 mm (4.2 in) of precipitation spread over 16 days, contributing to an overall average humidity of 88%. Prepare for a chilly yet atmospheric month!

December Temperature in Cullen

In December in Cullen, the average temperature is 7°C (44°F). Maximums can reach 12°C (54°F), while minimums can be as low as 2°C (36°F). Be prepared for cool weather and pack accordingly if you plan to travel during this time.

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

The chart illustrates December temperature patterns in Cullen, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Cullen, December typically has an average temperature of 7°C (44°F), with highs reaching up to 12°C (54°F) and lows dropping to around 2°C (36°F).
JanFebMarAprMayJunJulAugSepOctNovDec434243454954575855524744
Data source: Temperature data for Cullen 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 Cullen

In Cullen in December, the precipitation amount reaches 107 mm (4.2 in) during a span of 16 days.

December Precipitation Trends in Cullen

The chart displays monthly precipitation patterns in Cullen, 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 Cullen, December typically receives around 107 mm (4.2 inches) of precipitation spread over approximately 16 days.
JanFebMarAprMayJunJulAugSepOctNovDec7455674866807977111137133107
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Cullen

In Cullen in December, humidity is 88%. With an average temperature of 7°C (44°F), this humidity feels like an unwelcoming chill that clings to your skin, making outdoor exploration uncomfortable and prompting frequent breaks in sheltered areas.

December Average Humidity in Cullen

This chart illustrates the average monthly humidity levels in Cullen, 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 Cullen is approximately 88%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%88%86%84%82%84%86%86%90%91%92%89%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Cullen

In Cullen 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 Cullen.

Maximum UV Index Levels in Cullen for December

The chart shows the monthly maximum UV Index (UVI) for Cullen 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 Cullen typically reaches 1, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec123558765311
Data source: Cullen 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 Cullen Compares to Other Months

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

This table compares monthly weather conditions in Cullen, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather6°C (43°F)74 mm (2.9 inches)89%low
February Weather6°C (42°F)55 mm (2.2 inches)88%low
March Weather6°C (43°F)67 mm (2.6 inches)86%moderate
April Weather7°C (45°F)48 mm (1.9 inches)84%moderate
May Weather9°C (49°F)65 mm (2.6 inches)82%moderate
June Weather12°C (54°F)80 mm (3.1 inches)84%very high
July Weather14°C (57°F)79 mm (3.1 inches)86%high
August Weather14°C (58°F)77 mm (3.0 inches)86%high
September Weather13°C (56°F)111 mm (4.4 inches)90%moderate
October Weather11°C (52°F)137 mm (5.4 inches)91%moderate
November Weather9°C (48°F)133 mm (5.2 inches)92%low
December Weather7°C (44°F)107 mm (4.2 inches)88%low

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