Why January in South Carolina Feels Like the Coldest Month

Ever wondered why January in South Carolina often feels colder than December? You're not alone. The reason lies in how the Earth stores and loses heat. Even though winter starts in late December, it takes time for the ground and air to cool down after the warmth of summer and fall. This delay, called "seasonal lag, " explains why temperatures drop faster in January.

In December, the warmth from previous months still lingers in the ground and water, keeping temperatures from plummeting. But by January, that leftover warmth is gone. Plus, Arctic cold fronts start to hit the state more often and stronger, bringing longer periods of freezing temperatures. With shorter days, there's less sunlight to warm things up. Even on sunny days, the cold from the night before can stick around. This makes for frosty mornings and chilly afternoons across the Midlands.

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