Rainfall totals San Antonio, TX
Through Oct 8, 2026, San Antonio has received 29.63 inches of rain for the year, according to the official daily climate report. The normal year-to-date total is 25.46 inches. The normal figure is what the city would typically have seen by this point in the calendar. This reading comes from the station gauge at SAN ANTONIO INTL in the National Weather Service's daily climate report.
as of
Data from San Antonio International Airport, with records back to 1946. Across the record from 1946, 100 percent of days have a reading, with 100 percent in 2025.
Most recent rainfall
0.49 inches of rain fell on Oct 2, 2026, the latest measurable rainfall this year.
SAN ANTONIO INTL saw no measurable rain on Oct 8, 2026, according to the National Weather Service daily climate report.
Official rainfall report for Oct 8, 2026
| Measured | Normal | vs normal | |
|---|---|---|---|
| Rain on Oct 8, 2026 | 0.00 inches | 0.11 inches | -0.11 inches |
| Last 48 hours | 0.00 inches | ||
| Last 72 hours | 0.00 inches | ||
| Last 7 days | 0.49 inches | ||
| Month to date | 2.61 inches | 0.91 inches | +1.70 inches (+187%) |
| Year to date | 29.63 inches | 25.46 inches | +4.17 inches (+16%) |
| Record for Oct 8 | 0.92 inches | 1994, 2002 |
Source: National Weather Service daily climate report for SAN ANTONIO INTL, issued the morning after Oct 8, 2026. The local National Weather Service office issues the daily climate report for the airport station the next morning, and that report is the official figure.
How much rain did San Antonio get?
Days with measurable rain, 2026
| Date | Rainfall |
|---|---|
| Oct 2, 2026 | 0.49 inches |
| Oct 1, 2026 | 2.12 inches |
| Sep 30, 2026 | 0.06 inches |
| Sep 23, 2026 | 0.13 inches |
| Sep 18, 2026 | 0.29 inches |
| Aug 28, 2026 | 1.69 inches |
| Aug 27, 2026 | 0.06 inches |
| Jul 24, 2026 | 0.13 inches |
| Jul 16, 2026 | 0.26 inches |
| Jul 15, 2026 | 0.83 inches |
| Jul 14, 2026 | 1.30 inches |
| Jul 13, 2026 | 0.26 inches |
| Jul 11, 2026 | 0.27 inches |
| Jun 20, 2026 | 0.85 inches |
| Jun 19, 2026 | 0.02 inches |
| Jun 15, 2026 | 2.60 inches |
| Jun 14, 2026 | 0.06 inches |
| Jun 12, 2026 | 0.03 inches |
| Jun 8, 2026 | 0.01 inches |
| Jun 5, 2026 | 2.97 inches |
| Jun 4, 2026 | 0.02 inches |
| Jun 2, 2026 | 0.01 inches |
| May 26, 2026 | 1.14 inches |
| May 23, 2026 | 0.20 inches |
| May 22, 2026 | 0.41 inches |
| May 21, 2026 | 0.57 inches |
| May 20, 2026 | 0.51 inches |
| May 19, 2026 | 0.36 inches |
| May 11, 2026 | 0.06 inches |
| May 10, 2026 | 0.57 inches |
With 4.42 inches on Apr 20, 2026, this is the 24th wettest of the 6,450 measurable rain days in the San Antonio International Airport record, which begins in 1946. That is the most rain recorded at this station on April 20 since 1946.
Through Oct 3, 2026, the GHCN-Daily station record shows 29.63 inches of measurable rain so far this year, falling over a 53-day span. Station observations are from GHCN-Daily, with a 1-3 day lag and quality checks by NOAA.
San Antonio rainfall by month, 2026
| Month | Rainfall | Normal | vs normal |
|---|---|---|---|
| January | 1.02 inches | 1.96 inches | -0.94 inches (-48%) |
| February | 0.44 inches | 1.74 inches | -1.30 inches (-75%) |
| March | 0.44 inches | 2.31 inches | -1.87 inches (-81%) |
| April | 7.46 inches | 2.42 inches | +5.04 inches (+208%) |
| May | 5.81 inches | 4.40 inches | +1.41 inches (+32%) |
| June | 6.57 inches | 3.28 inches | +3.29 inches (+100%) |
| July | 3.05 inches | 2.41 inches | +0.64 inches (+27%) |
| August | 1.75 inches | 2.15 inches | -0.40 inches (-19%) |
| September | 0.48 inches | 3.88 inches | -3.40 inches (-88%) |
| October | 2.61 inches | 3.75 inches |
October is still in progress; figures run through Oct 3, 2026. Averages are 1991-2020 normals from NCEI.
Rainfall days at each threshold in San Antonio
| Year | 0.5+ in. | 1+ in. | 2+ in. | 3+ in. |
|---|---|---|---|---|
| 2025 | 12 | 7 | 4 | 2 |
| 2024 | 18 | 8 | 1 | 0 |
| 2023 | 10 | 4 | 1 | 0 |
| 2022 | 7 | 2 | 0 | 0 |
| 2021 | 23 | 10 | 3 | 0 |
| 2020 | 15 | 5 | 1 | 0 |
| 2019 | 12 | 4 | 2 | 1 |
| 2018 | 24 | 10 | 4 | 2 |
| 2017 | 18 | 9 | 1 | 1 |
| 2016 | 30 | 12 | 3 | 2 |
| Average | 18.1 | 8.5 | 2.5 | 0.8 |
A day counts when its rainfall total meets or passes the column amount, from San Antonio International Airport records in GHCN-Daily. Every complete year starting with 1946 counts toward the average, 79 years in total.
Past rainfall years in San Antonio
All-time rainfall records
| Wettest day | 11.26 inches | Oct 17, 1998 |
|---|---|---|
| Wettest year | 52.28 inches | 1973 |
| Driest year | 11.51 inches | 2022 |
| Average year | 30.08 inches | 79 complete years on record |
| Rain days a year | 81 | average, 0.01 inch or more |
| Record begins | 1946 | 29,236 daily readings |
Monthly rainfall normals
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Inches | 1.96 | 1.74 | 2.31 | 2.42 | 4.40 | 3.28 | 2.41 | 2.15 | 3.88 | 3.75 | 2.08 | 2.00 | 32.38 |
Averages are 1991-2020 normals from NCEI.
The daily climate report is issued by the local National Weather Service forecast office and delivered to this page by the Iowa Environmental Mesonet of Iowa State University. 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.