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December Weather in Seaham, United Kingdom

Last updated: August 27, 2025

In Seaham, United Kingdom, the average temperature in December hovers around 6°C (43°F). Visitors can expect a chilly atmosphere with minimums dipping to -2°C (28°F) and highs reaching up to 13°C (56°F). During this time, precipitation totals 78 mm (3.1 in) over 15 days, contributing to the average humidity level of 88%. Be sure to pack your rain gear and dress warmly!

December Temperature in Seaham

In December in Seaham, the average temperature is 6°C (43°F). Maximum temperatures can reach 13°C (56°F), while minimums can drop as low as -2°C (28°F). Be sure to pack warm clothing when traveling during this month.

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

The chart illustrates December temperature patterns in Seaham, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Seaham, December typically has an average temperature of 6°C (43°F), with highs reaching up to 13°C (56°F) and lows dropping to around -2°C (28°F).
JanFebMarAprMayJunJulAugSepOctNovDec414244465257616157524743
Data source: Temperature data for Seaham 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 Seaham

In Seaham, in December, the precipitation amount is 78 mm (3.1 in) over a span of 15 days.

December Precipitation Trends in Seaham

The chart displays monthly precipitation patterns in Seaham, 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 Seaham, December typically receives around 78 mm (3.1 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec577762355385758368907278
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Seaham

In Seaham in December, humidity is 88%. With an average temperature of 6°C (43°F), this humidity feels like a damp chill that seeps into your bones, making traveling uncomfortable and prompting you to seek warm shelter frequently.

December Average Humidity in Seaham

This chart illustrates the average monthly humidity levels in Seaham, 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 Seaham is approximately 88%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%87%86%84%83%85%83%82%87%89%90%88%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Seaham

In Seaham 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 Seaham.

Maximum UV Index Levels in Seaham for December

The chart shows the monthly maximum UV Index (UVI) for Seaham 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 Seaham typically reaches 1, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec124568865321
Data source: Seaham 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 Seaham Compares to Other Months

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

This table compares monthly weather conditions in Seaham, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (42°F)57 mm (2.2 inches)89%low
February Weather6°C (43°F)77 mm (3.0 inches)87%low
March Weather7°C (44°F)62 mm (2.4 inches)85%moderate
April Weather8°C (47°F)35 mm (1.4 inches)84%moderate
May Weather11°C (52°F)53 mm (2.1 inches)83%high
June Weather14°C (58°F)85 mm (3.3 inches)85%very high
July Weather16°C (61°F)75 mm (3.0 inches)83%very high
August Weather16°C (61°F)83 mm (3.3 inches)82%high
September Weather14°C (57°F)68 mm (2.7 inches)87%moderate
October Weather11°C (52°F)90 mm (3.5 inches)89%moderate
November Weather8°C (47°F)72 mm (2.8 inches)90%low
December Weather6°C (43°F)78 mm (3.1 inches)88%low

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