December weather forecast
Mississippi, USA

December in Mississippi marks the arrival of winter, bringing with it a noticeable drop in temperatures and the onset of colder conditions. The average low temperatures in the northern regions can dip to 35°F (1.7°C), and the southern parts also experience a chill in the air. December's weather characterizes the transition into winter, with the potential for cold spells, although rarely lasting for more than four days.

The shift from November's cool yet gentle climate to December's more biting cold is tangible throughout the state. While Mississippi's winters are typically mild compared to other regions in the United States, the influence of cold continental air can still be felt.

December's temperatures generally range from 35°F (1.7°C) in the northern regions to milder conditions in the south. Ground occasionally freezes only in the north, and the state is sometimes subjected to arctic cold fronts, known colloquially as The Siberian Express. This decrease in both temperature and humidity from November to December underscores the arrival of winter.

Precipitation in December leans toward the form of rain, with snowfall in measurable amounts in the northern region. Though Mississippi's winter is not particularly harsh, the landscapes take on a bare and subdued appearance, shedding the vibrant hues of autumn.

December's weather in Mississippi introduces the winter season, with its cooler temperatures, potential for cold spells, and the quiet calm that often accompanies the end of the year. The state's mild winter does not detract from the seasonal charm, as December offers a gentle reminder of the cyclical nature of weather and the constant evolution of the landscape.

---

• Jackson - December »
  February and December, with an average relative humidity of 80%, are most humid months in Jackson, Mississippi. In Jackson in December, it is raining for 11.5 days, with typically 2.56" (65mm) of accumulated precipitation.
• Gulfport - December »
  In Gulfport the average seawater temperature in December is 60.6°F (15.9°C). The months with the lowest UV index in Gulfport are January and December, with an average maximum UV index of 4.
• Southaven - December »
  In Southaven in December, snow falls for 0.7 days, with typically accumulated 0.2" (5mm) of snow. In Southaven, during December, snow falls for 0.7 days and regularly aggregates up to 0.2" (5mm) of snow.
• Hattiesburg - December »
  The month with the most snowfall in Hattiesburg is December, when snow falls for 0.4 days and typically aggregates up to 0.39" (10mm) of snow. The month with the shortest days in Hattiesburg, Mississippi, is December, with an average of 10h and 12min of daylight.
• Biloxi - December »
  In Biloxi, Mississippi, during December, the rain falls for 13.3 days and regularly aggregates up to 3.43" (87mm) of precipitation. December is the most humid month in Biloxi, Mississippi, with an average relative humidity of 79%.
• Meridian - December »
  The month with the most snowfall in Meridian is December, when snow falls for 0.4 days and typically aggregates up to 0.39" (10mm) of snow. In Meridian during December, the rain falls for 12.3 days and regularly aggregates up to 3.23" (82mm) of precipitation.
• Tupelo - December »
  In Tupelo in December, snow falls for 0.9 days, with typically accumulated 0.28" (7mm) of snow. With an average of 9h and 54min of daylight, December has the shortest days of the year in Tupelo, Mississippi.
• Greenville - December »
  The months with the highest humidity in Greenville are February, March and December, with an average relative humidity of 78%. The month with the shortest days in Greenville is December, with an average of 10h and 0min of daylight.
• Olive Branch - December »
  In Olive Branch during December, snow falls for 1.1 days and regularly aggregates up to 0.2" (5mm) of snow. In Olive Branch, in December, during 1.1 snowfall days, 0.2" (5mm) of snow is typically accumulated.
• Horn Lake - December »
  With an average of 9h and 54min of daylight, December has the shortest days of the year in Horn Lake, Mississippi. March and December, with an average relative humidity of 78%, are most humid months in Horn Lake, Mississippi.
• Clinton - December »
  The month with the shortest days in Clinton is December, with an average of 10h and 6min of daylight. In Clinton, during December, the rain falls for 13.5 days and regularly aggregates up to 3.39" (86mm) of precipitation.
• Pearl - December »
  January and December, with an average maximum UV index of 3, are months with the lowest UV index in Pearl, Mississippi. In Pearl, Mississippi, snow does not fall in March through December.