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March Weather in Charleston South Carolina, United States. Daily high temperatures increase by 6°F, from 65°F to 71°F, rarely falling below 54°F or exceeding 79°F. Daily low temperatures increase by 7°F, from 48°F to 55°F, rarely falling below 36°F or exceeding 65°F.
Get the monthly weather forecast for Charleston, SC, including daily high/low, historical averages, to help you plan ahead.
- Temperature
- Humidity
- Sea Temperature
The daily maximum temperature in Charleston in March averages 70°F (21°C), with the lowest daily highs being around 46-54°F (8-12°C), up to around 82-86°F (28-30°C) on the warmest days. In an average year, you can expect the temperature to exceed 75°F (24°C) on 5-12 days each month, and to remain below 65°F (18°C) on between one in four days in war...
The weather may sometimes feel humid in March, but most of the time humidity will be within comfortable levels.
Surface water temperature in March at the beaches near Charleston is around 61-64°F (15-19°C), which most people will find too cold for swimming, but will be warm enough for some watersports on warmer days.
Charleston in March usually receives moderate rainfall, averaging around 85 mm for the month. When we look at the climate data from the last 30 years, we can expect around 8 days of rain. The days are predominantly sunny, with an estimated total of around 244 hours of sunshine.
The cool season lasts for 3.0 months, from December 1 to March 1, with an average daily high temperature below 65°F. The coldest month of the year in Charleston is January, with an average low of 43°F and high of 59°F. Average High and Low Temperature in Charleston. Link. Download. Compare. History: 2024 2023 2022 2021 2020 2019 2018 2017 2016.
The transition into March in Charleston is marked with an average high-temperature of a comfortable 65.1°F (18.4°C), showing an insignificant shift from February's 60.4°F (15.8°C). During March nights, Charleston records an average temperature of 52.7°F (11.5°C).
From November to March in Charleston, some nights can turn frosty. The coldest nights in December, January or February get down to 20 °F (-8 °C) or below. Only one night a year on average has temperatures that chilly.
