Skip to content
WeatherTotals

San Antonio rainfall for 2020

San Antonio picked up 20.70 inches of rain in 2020. Measurable rain, 0.01 inch or more in a day, fell on 75 days at San Antonio International Airport; the wettest day brought 2.06 inches on Apr 4, 2020. The 1991-2020 normal for a full year is 32.38 inches. The total landed 11.68 inches below the normal, which works out to 36% less. 2020 ranks 64th out of 79 complete years, wettest first, in a record that starts in 1946.

Previous year, 2019Following year, 2021Back to San Antonio rainfall totals

San Antonio rainfall for 2020

San Antonio rainfall for 2020
Year total20.70 inches2020
1991-2020 normal32.38 inchesAverages are 1991-2020 normals from NCEI.
Departure vs normal-11.68 inches (-36%)64% of normal
Year rank64th of 79Complete years from 1946, wettest first
Rain days75
Wettest day2.06 inches

Rain by month in 2020

Measured total1991-2020 normal
Monthly rain totals for 2020. Dark bars show measured amounts, light bars show the 1991-2020 normal for comparison.

Every day with measurable rain in 2020

Every day with measurable rain in 2020: San Antonio
DateRainfall
0.54 inches
0.22 inches
0.03 inches
0.01 inches
0.01 inches
1.31 inches
0.10 inches
0.06 inches
0.08 inches
0.03 inches
0.05 inches
0.02 inches
0.02 inches
0.03 inches
0.58 inches
0.01 inches
0.06 inches
0.60 inches
1.14 inches
0.52 inches
0.18 inches
0.37 inches
0.51 inches
0.02 inches
0.07 inches
0.09 inches
0.45 inches
0.07 inches
0.01 inches
0.24 inches
0.01 inches
0.08 inches
0.06 inches
0.03 inches
1.25 inches
0.71 inches
1.93 inches
0.09 inches
0.03 inches
0.16 inches
0.91 inches
0.46 inches
0.20 inches
0.17 inches
0.03 inches
0.01 inches
0.01 inches
0.03 inches
2.06 inches
0.12 inches
0.46 inches
0.01 inches
0.06 inches
0.01 inches
0.51 inches
0.25 inches
0.16 inches
0.01 inches
0.03 inches
0.48 inches
0.05 inches
0.04 inches
0.62 inches
0.01 inches
0.33 inches
0.01 inches
0.01 inches
0.35 inches
0.04 inches
0.65 inches
0.02 inches
0.33 inches
0.01 inches
0.05 inches
0.42 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.