December weather forecast
Guernsey

December in Guernsey marks the onset of the winter season, with some of the coldest temperatures of the year. Average temperatures during this month range from 7°C (44.6°F) to 9°C (48.2°F). The influence of the surrounding sea helps to temper the cold, ensuring that temperatures rarely fall below freezing.

When it comes to precipitation, December experiences high rainfall, akin to November. The island typically sees around 70mm (2.76") of rain, distributed over approximately 15 to 20 days of the month. Despite the damp conditions, snow remains an uncommon occurrence due to the relatively mild winter temperatures.

Compared to November, December presents lower temperatures while maintaining similar levels of rainfall, solidifying the arrival of the winter season. Transitioning into January, temperatures remain relatively stable, and rainfall continues to be substantial, setting the stage for continued winter weather in the New Year.

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• Saint Sampson - December »
  The months with the least sunshine in Saint Sampson are January, November and December, with an average of 3.9h of sunshine. December has the shortest days of the year in Saint Sampson, with an average of 8h and 12min of daylight.
• Guernsey - December »
  In Guernsey, Guernsey, during December, the rain falls for 21.4 days and regularly aggregates up to 70mm (2.76") of precipitation. December has the shortest days of the year in Guernsey, with an average of 8h and 12min of daylight.
• Saint Peter Port - December »
  November and December, with an average relative humidity of 77%, are the least humid months in Saint Peter Port, Guernsey. The months with the least sunshine in Saint Peter Port are January, November and December, with an average of 3.9h of sunshine.
• Alderney - December »
  The month with the shortest days in Alderney is December, with an average of 8h and 12min of daylight. On the last day of December, in Alderney, sunrise is at 08:05 and sunset at 16:18 GMT.
• Braye du Valle - December »
  November and December, with an average relative humidity of 77%, are the least humid months in Braye du Valle, Guernsey. In Braye du Valle during December, the rain falls for 21.4 days and regularly aggregates up to 70mm (2.76") of precipitation.
• Fort George - December »
  The months with the least sunshine in Fort George are January, November and December, with an average of 3.9h of sunshine. November and December, with an average relative humidity of 77%, are the least humid months in Fort George.
• Saint Andrew - December »
  December in Saint Andrew is full-bore winter with low temperatures, shorter days, and scarce sunshine. In Saint Andrew, Guernsey, in December, it is raining for 21.4 days, with typically 70mm (2.76") of accumulated precipitation.