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Winter 2023 weather forecast for Charleston

Prepare for winter weather in Charleston, SC with these seasonal temperature and precipitation outlooks.


We’re taking a look at what the cooler season may bring.

Photo by @itbens

Table of Contents

We know the question on your mind, Charlestonians — when’s it going to get cold? Thanks to the National Oceanic and Atmospheric Administration’s Climate Prediction Center, we know what temperatures and precipitation trends to expect in our city for December, January, and February.

While exact weather conditions typically can’t be predicted more than a week in advance, here’s a seasonal outlook to help you prepare for what winter may bring.

Reminder: The first day of winter is on Wednesday, Dec. 21.


Here’s what we can expect this winter.

Screenshot via NOAA

🌡️ Temperature

Think warm. This winter, Charleston has a 50-60% chance of temperatures being higher than normal.

🌨️ Precipitation

Expect slightly less to about average precipitation. Charleston has a 40-50% chance of seeing below-normal rainfall this winter.

☀️ Drought

Drought conditions are expected to develop this season.

December’s deal

Typically in Charleston, December’s temperatures fluctuate between an average low of 49.and an average high of 60., which we may experience again this season.

If you’re a warm weather enthusiast, this month’s average relative humidity is 78%, making it the most humid month. Pro tip: December has an average daily maximum UV index of 4, so don’t slack on the sunscreen.

Jump into January

Don’t bask in the warm(er) temps for too long: January would be the time to pull out that puffer jacket. With an average high of 57° and low of 44.4°, January is recognized as the coldest month.

It’s also the month with the least rainfall, so bundle up and head to an oyster roast at Pearlz Oyster Bar in West Ashley — we know there’s no shortage of roasts this time of year.

Februarys forecast

Good news: You’ve made it to the last month of winter. Historically, average temperatures fluctuate between 60.4° and 47.7° during February in the Holy City. This month often sees 10.8 rainfall days, which we might see again this year, so be sure to have that raincoat handy.

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