North Charleston, South Carolina, United States in December

December16°C average high

December has some of the coolest average daytime highs of the year, so pack for fresher conditions.

Warmest monthsMay to September

This stretch sets the upper range for average daytime heat.

December79mm average rain

December sits on the drier side of North Charleston's year, which helps with sightseeing and transfers.

Driest monthsJanuary to February, April to May, and October to December

This is the drier part of the year, when outdoor plans usually need less weather flexibility.

December5.5 hours average sun

December is one of North Charleston's cloudier months, so sunshine-led plans are less reliable.

Brightest monthsApril to July

This stretch has the strongest sunshine in the monthly averages.

December16°C average sea

December is below North Charleston's yearly sea-temperature average, so swimming can feel fresher.

Warmest seaJune to September

Sea temperatures are usually near 27°C in this stretch, so swimming comfort is at its strongest.

December28 weather score

December is one of the weakest weather-score months, when the overall mix is less favourable than the rest of the year.

Best weather monthsMay to October

These months have the strongest weather score in the monthly averages.