Charleston Weather in January

January in Charleston brings moderate temperatures, with daytime highs of 15°C (59°F) and nights around 5°C (41°F). Rainfall is at its lowest this month, making it one of the more reliable months to be outdoors.

Rainfall in Charleston in January

The risk of rain is at its lowest this month, making it a reliable choice for outdoor plans, even if temperatures are on the cooler side. You can expect rain on roughly 10 days based on historical data, averaging 70 mm (2.8 in) for the month. The rainfall pattern this month is fairly balanced. Showers tend to be moderate rather than extreme.

Temperature in Charleston in January

Charleston in January gets highs of 15°C (59°F) during the day and drops to 5°C (41°F) at night. The month of January belongs to the winter season. This creates a mild day-to-night pattern that is generally easy to manage with the right clothing. With lows around 5°C (41°F), nights are cold. The upside is that cool, crisp nights are often the best for a deep sleep. Experience the year's most moderate temperatures in January.

Sunshine in Charleston in January

You can expect a moderate amount of sunlight, with approximately 181 hours. This means a pleasant mix of sun and overcast.

For Charleston itself, April and May generally stand out with the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.