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. In Saint Sampson during December, the rain falls for 21.4 days and regularly aggregates up to 70mm (2.76") of precipitation.
• Guernsey - December »
  With an average of 8h and 12min of daylight, December has the shortest days of the year in Guernsey. The months with the lowest humidity in Guernsey are November and December, with an average relative humidity of 77%.
• Saint Peter Port - December »
  January, November and December, with an average of 3.9h of sunshine, are months with the least sunshine in Saint Peter Port, Guernsey. In Saint Peter Port during December, the rain falls for 21.4 days and regularly aggregates up to 70mm (2.76") of precipitation.
• Alderney - December »
  On the first day of December in Alderney sunrise is at 07:43 and sunset at 16:11. December has the shortest days of the year in Alderney, with an average of 8h and 12min of daylight.
• Braye du Valle - December »
  January, November and December, with an average of 3.9h of sunshine, are months with the least sunshine in Braye du Valle, Guernsey. November and December, with an average relative humidity of 77%, are the least humid months in Braye du Valle, Guernsey.
• 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. The months with the lowest humidity in Fort George are November and December, with an average relative humidity of 77%.
• Saint Andrew - December »
  December in Saint Andrew is full-bore winter with low temperatures, shorter days, and scarce sunshine. In December, in Saint Andrew, Guernsey, the rain falls for 21.4 days.