Temperature in South Carolina in January

Daytime highs, nighttime lows and the warmest cities in South Carolina, the United States of America this January.

South Carolina, the United States of America, a region in the United States of America, experiences maximum daytime temperatures in January ranging from 4°C (39°F) in Rosenheim to 16°C (61°F) in Hardeeville. Nighttime temperatures generally drop to 3°C (37°F) in Hardeeville and -4°C (25°F) in Rosenheim. January falls during the winter season. On average, it is one of the coldest months of the year.

What is the temperature of the different cities in South Carolina, the United States of America in January?

Explore the map below to discover average January temperatures at the top destinations in South Carolina. For a deeper dive, simply click on any destination dot.

Select a Month

Check the conditions for any month of the year.

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

For a detailed overview over the year and the best time to visit South Carolina, check out our South Carolina's climate page.

See also: South Carolina weather by month.

Best Places to Visit in South Carolina in January

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across South Carolina.

Conditions Temperatures Precipitation
Avg daytime high -5°C (23°F) cold → 32°C (90°F) hot

Marker color shows the average daytime high temperature in January: blue is cold, red is hot.

See all January weather averages, cities and regions in South Carolina

South Carolina temperatures in January: frequently asked questions

How hot does it get in South Carolina, the United States of America in January?

Average daytime highs in South Carolina, the United States of America during January reach about 15°C (59°F) in Hilton Head Island.

How cold does it get at night in South Carolina, the United States of America in January?

Average overnight lows in South Carolina, the United States of America during January sit near 5°C (41°F) in Hilton Head Island.

What is the warmest city in January in South Carolina, the United States of America?

According to our recent database analysis, Hardeeville is the warmest city. It experiences an average maximum daytime temperature of approximately 16°C (61°F) and rarely drops below 3°C (37°F) during the night.

What is the coldest city in January in South Carolina, the United States of America?

Our database indicates that in January, Rosenheim is the city with the coolest temperatures in South Carolina, the United States of America. You can expect daytime highs of 4°C (39°F) and nighttime lows close to -4°C (25°F).

How much sun does South Carolina, the United States of America get in January?

Hilton Head Island usually sees around 187 hours of sunlight, indicating a moderately sunny period.

What is the water temperature in January?

The water temperature averages approximately 14°C (57°F) in Hilton Head Island this month, generally too cold for comfortable swimming.

Interested in more climate information?

We have much more information about the climate in South Carolina.

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