Charleston Weather in March
March in Charleston brings pleasant temperatures around 19°C (66°F) during the day, dropping to 10°C (50°F) at night, with quite a bit of rainfall expected, averaging around 85 mm (3.3 in) for the month.
Rainfall in Charleston in March
Past climate data indicates that roughly 8 days will see rain, totalling around 85 mm (3.3 in) for the month. Rainfall intensity is on the higher side this month. Expect more substantial showers rather than light, passing rain.
Temperature in Charleston in March
In March, expect pleasant temperatures in Charleston, with highs of 19°C (66°F) and lows of 10°C (50°F) at night. Temperatures can feel cooler in the morning and evening, so layering is often the best approach. Nights drop to 10°C (50°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet.
Sunshine in Charleston in March
Expect sunny days throughout the month, with an estimated 244 hours of sunshine. This makes it a pleasant time to visit Charleston.If your ideal day consists of dry skies and pleasant temperatures, April and May typically offer the best circumstances for Charleston.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Charleston's climate page.
Charleston Temperature in March
Min Temperature
10°C (50°F)
Max Temperature
19°C (66°F)
Chance of Rain
27%
Precipitation
85 mm (3.3 in)
Rainy days
8 days
Humidity
68%
Sunshine
244 hours
Percentage Sunshine
66%
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Charleston typically rise from around 19°C (66°F) at the start of March to approximately 22°C (72°F) by the end. Nights are cool, with lows typically ranging from 7°C (45°F) to 13°C (55°F).
Average temperatures in March
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in March
Historical weather for Charleston in March
Browse day-by-day weather records for Charleston spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Charleston historical weather extremes in March
Based on 50 years of weather observations (1976-2026), these are the most extreme conditions recorded in Charleston.
- The warmest day in March was on March 25, 2007, with a maximum of 32°C (90°F).
Best Places in the United States of America in March
Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in March →
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What to Wear in Charleston in March
Comfortable temperatures call for an easy wardrobe in March. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. Expect heavy rainfall, so bring good rain protection and waterproof bags. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.What To Do in Charleston in March
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Charleston's climate page.
Temperature Rainfall Sunshine Humidity
See the full Charleston climate overview or explore weather in the United States of America.
