December weather forecast
Jersey

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Weather in December

December in Jersey heralds the arrival of winter with the year's lowest temperatures and shortest daylight hours. Average temperatures during this month typically range from 5°C (41°F) to 9°C (48.2°F), with colder snaps and frosts becoming more common, particularly during the night and early morning.

In St. Helier, as well as the rest of the island, December's temperatures mirror the overall cold and crisp winter climate. The island's compact size ensures uniform weather conditions across different regions, with minor variations occurring due to factors such as elevation and proximity to the sea.

When it comes to precipitation, December continues the trend of high rainfall from November, with the island receiving approximately 110mm (4.33") of rain, generally spread across about 19 days. This makes December, along with November, one of the wettest months in Jersey's calendar year.

A defining characteristic of December in Jersey is the marked reduction in daylight hours due to the winter solstice. The island sees only about 8 hours of daylight per day during this month, the shortest of the year.

  • Saint Helier - December »
    In Saint Helier during December, snow falls for 0.2 days and regularly aggregates up to 1mm (0.04") of snow. In Saint Helier in December, it is raining for 20 days, with typically 66mm (2.6") of accumulated precipitation.
  • Saint Aubin - December »
    December in Saint Aubin, Jersey welcomes the winter season, and the weather conditions confirm the year's short days and cold temperatures. The month with the shortest days in Saint Aubin is December, with an average of 8h and 18min of daylight.
  • Gorey - December »
    In Gorey, in December, during 0.2 snowfall days, 1mm (0.04") of snow is typically accumulated. With an average of 8h and 18min of daylight, December has the shortest days of the year in Gorey, Jersey.
  • Six Rues - December »
    In Six Rues snow does not fall in February, April through October and December. In Six Rues snow does not fall in February, April through October and December.
  • Rozel - December »
    In Rozel, in December, during 20 rainfall days, 66mm (2.6") of precipitation is typically accumulated. In Rozel, in December, during 20 rainfall days, 66mm (2.6") of precipitation is typically accumulated.
  • Portinfer - December »
    In Portinfer in December, during 20.5 rainfall days, 66mm (2.6") of precipitation is typically accumulated. December has the shortest days of the year in Portinfer, with an average of 8h and 18min of daylight.
  • Millbrook - December »
    In Millbrook during December, the rain falls for 20 days and regularly aggregates up to 66mm (2.6") of precipitation. The month with the shortest days in Millbrook is December, with an average of 8h and 18min of daylight.
  • Les Creux - December »
    February, November and December, with an average relative humidity of 78%, are the least humid months in Les Creux, Jersey. The months with the lowest humidity in Les Creux are February, November and December, with an average relative humidity of 78%.
  • Le Rondin - December »
    The month with the shortest days in Le Rondin is December, with an average of 8h and 18min of daylight. In Le Rondin, during December, the rain falls for 20.5 days and regularly aggregates up to 66mm (2.6") of precipitation.
  • La Moye - December »
    The month with the shortest days in La Moye, Jersey, is December, with an average of 8h and 18min of daylight. February, November and December, with an average relative humidity of 78%, are the least humid months in La Moye.
  • La Hougue - December »
    The months with the lowest humidity in La Hougue, Jersey, are February, November and December, with an average relative humidity of 78%. With an average of 8h and 18min of daylight, December has the shortest days of the year in La Hougue, Jersey.
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