Charleston picked up 42.45 inches of rain in 2025. Measurable rain, 0.01 inch or more in a day, fell on 101 days at Charleston International Airport; the wettest day brought 4.16 inches on Aug 22, 2025. The 1991-2020 normal for a full year is 52.51 inches. The total landed 10.06 inches below the normal, which works out to 19% less. 2025 ranks 76th out of 88 complete years, wettest first, in a record that starts in 1937.
Monthly rain totals for 2025. Dark bars show measured amounts, light bars show the 1991-2020 normal for comparison.
Every day with measurable rain in 2025
Every day with measurable rain in 2025: Charleston
Date
Rainfall
0.02″ inches
0.11″ inches
0.03″ inches
0.30″ inches
0.36″ inches
0.86″ inches
0.12″ inches
0.54″ inches
0.01″ inches
0.01″ inches
0.01″ inches
0.01″ inches
0.43″ inches
0.05″ inches
0.99″ inches
1.30″ inches
0.51″ inches
0.45″ inches
0.07″ inches
0.11″ inches
0.12″ inches
0.10″ inches
0.03″ inches
0.09″ inches
0.86″ inches
0.42″ inches
0.02″ inches
0.10″ inches
0.94″ inches
4.16″ inches
0.76″ inches
1.08″ inches
0.01″ inches
0.09″ inches
0.68″ inches
0.23″ inches
1.30″ inches
0.38″ inches
0.44″ inches
0.01″ inches
1.06″ inches
1.42″ inches
0.36″ inches
0.13″ inches
0.83″ inches
0.07″ inches
0.04″ inches
0.56″ inches
0.01″ inches
0.08″ inches
1.14″ inches
0.01″ inches
0.02″ inches
0.83″ inches
0.22″ inches
0.15″ inches
0.79″ inches
0.01″ inches
0.01″ inches
0.22″ inches
0.70″ inches
1.30″ inches
0.05″ inches
0.22″ inches
0.12″ inches
0.36″ inches
0.18″ inches
0.01″ inches
0.63″ inches
0.02″ inches
1.35″ inches
0.10″ inches
0.71″ inches
0.18″ inches
3.31″ inches
0.21″ inches
0.46″ inches
0.36″ inches
0.01″ inches
0.04″ inches
0.02″ inches
0.06″ inches
0.74″ inches
0.47″ inches
0.03″ inches
0.42″ inches
0.02″ inches
0.82″ inches
0.01″ inches
0.52″ inches
0.35″ inches
0.26″ inches
0.01″ inches
0.24″ inches
0.14″ inches
0.69″ inches
0.46″ inches
0.11″ inches
0.24″ inches
0.14″ inches
0.31″ inches
Daily totals come from Charleston International Airport, which appears in GHCN-Daily with records going back to 1937. Station observations are from GHCN-Daily, with a 1-3 day lag and quality checks by NOAA.
Under 17 U.S.C. 105, no copyright attaches to the government-produced figures on this page, including reports, alerts, station observations, and normals, which were created by the National Weather Service and other NOAA offices. The notice that 17 U.S.C. 403 requires appears in this sentence. It does not imply endorsement by or affiliation with those agencies. See: Data sources and attribution.