San Antonio picked up 41.20 inches of rain in 2018. Measurable rain, 0.01 inch or more in a day, fell on 88 days at San Antonio International Airport; the wettest day brought 6.07 inches on Sep 3, 2018. The 1991-2020 normal for a full year is 32.38 inches. The total landed 8.82 inches above the normal, which works out to 27% more. 2018 ranks 13th out of 79 complete years, wettest first, in a record that starts in 1946.
Monthly rain totals for 2018. Dark bars show measured amounts, light bars show the 1991-2020 normal for comparison.
Every day with measurable rain in 2018
Every day with measurable rain in 2018: San Antonio
Date
Rainfall
0.02″ inches
0.15″ inches
0.30″ inches
0.24″ inches
0.02″ inches
0.02″ inches
1.57″ inches
0.03″ inches
0.01″ inches
0.03″ inches
0.13″ inches
0.04″ inches
0.13″ inches
0.01″ inches
0.17″ inches
1.26″ inches
0.95″ inches
0.79″ inches
0.31″ inches
0.18″ inches
0.18″ inches
0.52″ inches
0.01″ inches
0.16″ inches
1.37″ inches
0.04″ inches
0.76″ inches
0.77″ inches
0.01″ inches
0.35″ inches
0.05″ inches
0.02″ inches
0.04″ inches
1.86″ inches
0.56″ inches
0.75″ inches
1.36″ inches
0.92″ inches
0.23″ inches
0.11″ inches
0.55″ inches
2.25″ inches
0.90″ inches
0.44″ inches
0.82″ inches
6.07″ inches
0.42″ inches
0.11″ inches
0.09″ inches
0.30″ inches
2.54″ inches
0.14″ inches
0.92″ inches
0.26″ inches
0.13″ inches
0.58″ inches
0.01″ inches
0.12″ inches
0.22″ inches
0.36″ inches
0.20″ inches
0.01″ inches
0.76″ inches
0.34″ inches
0.01″ inches
0.01″ inches
3.51″ inches
0.18″ inches
0.26″ inches
0.07″ inches
0.01″ inches
0.01″ inches
0.07″ inches
1.31″ inches
0.09″ inches
0.15″ inches
0.07″ inches
0.01″ inches
0.06″ inches
0.01″ inches
0.05″ inches
0.02″ inches
0.03″ inches
0.02″ inches
0.03″ inches
0.06″ inches
0.10″ inches
0.09″ inches
Daily totals come from San Antonio International Airport, which appears in GHCN-Daily with records going back to 1946. 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.