Hail history for San Marcos, Texas
NOAA hail reports in and within about 5 km (3 miles) of San Marcos since 1970, with preliminary reports to November 3, 2026.
Readout · San Marcos
- Last hail
- May 22, 2025
- 1.50 in, ping pong ball size
- Hail days, last 5 years
- 7
- since Nov 3, 2021 · 15 reports
- Largest ever
- 4.25 in
- grapefruit · Apr 20, 2006
61 reports on 40 days since 1970 · #108 of 843 Texas places
Hail map · San Marcos
- Under 1 in
- 1–1.75 in
- 1.75–2.5 in
- 2.5–4 in
- 4 in +
- No size
For homeowners
Roof damage after hail? Get a free inspection
Hail bruises shingles and cracks seals in ways you can't see from the ground, and most insurers set a claim deadline after the storm. The latest hail report in San Marcos is from May 22, 2025. A local roofer can check and document it at no cost.
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What the record says about San Marcos
The latest hail report in and around San Marcos is from May 22, 2025, 1.50 in (ping pong ball size). Since November 3, 2021 there have been 7 separate hail days; the biggest stones in that time were 3.00 in on May 9, 2024.
Over the 20 years 2006–2025, San Marcos logged 40 reports on 21 hail days, about 2.0 reports a year. That is 3.6 times the median Texas town on this site (0.6 a year) and ranks #108 of 843 Texas cities and towns on this site for all-time reports. San Marcos accounts for 34% of the 181 reports filed in Hays County.
16% of reports with a size were 2 inches (hen egg) or larger, against 10% for the median Texas town on this site. The largest hail on record here is 4.25 in (grapefruit) on April 20, 2006 near 6 SW San Marcos.
Reports were up 300% in 2016–2025 (32) compared with 2006–2015 (8). The busiest year was 2024, with 7 reports on 3 days. Hail here peaks in April (39% of reports); 70% fall between April and June.
Reports a year 2006–2025 average
- San Marcos 2.0
- Hays County 5.3
- Median Texas town on this site 0.6
Hail days 2006–2025
- San Marcos 21
- Hays County 45
- Median Texas town on this site 9
Share 2 in or larger of sized reports
- San Marcos 16%
- Hays County 14%
- Median Texas town on this site 10%
Hail over time
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 0 | ||||||||||||
| 2025 | 1 | 3 | 4 | ||||||||||
| 2024 | 2 | 5 | 7 | ||||||||||
| 2023 | 3 | 3 | |||||||||||
| 2022 | 1 | 1 | |||||||||||
| 2021 | 3 | 2 | 2 | 7 | |||||||||
| 2020 | 1 | 1 | |||||||||||
| 2019 | 5 | 5 | |||||||||||
| 2018 | 0 | ||||||||||||
| 2017 | 4 | 4 |
Hail days since Nov 3, 2021
| Date | Reports | Largest | Storm page |
|---|---|---|---|
| May 22, 2025 | 3 | 2.00 in | — |
| Mar 23, 2025 | 1 | 1.00 in | — |
| May 9, 2024 | 5 | 3.00 in | — |
| Apr 21, 2024 | 1 | 1.00 in | — |
| Apr 2, 2024 | 1 | 1.00 in | — |
| Mar 2, 2023 | 3 | 1.75 in | — |
| May 5, 2022 | 1 | 1.25 in | — |
Largest hail on record
| Date | Size | Location | County | Damage | Time · source |
|---|---|---|---|---|---|
| Apr 20, 2006 | 4.25 ingrapefruit | 6 SW San Marcos | Hays | $100.0 million1 injured | 15:55 local · NCEI |
| May 9, 2024 | 3.00 inteacup | 4.57 NW San Marcos Lowman Ar | Hays | — | 19:27 local · NCEI |
| May 9, 2024 | 2.50 intennis ball | 2.16 NNE San Marcos Lowman Ar | Hays | — | 19:29 local · NCEI |
| Feb 25, 1971 | 2.25 inhen egg | — | Hays | — | 18:20 local · NCEI |
| May 22, 2025 | 2.00 inhen egg | 1.38 N San Marcos Muni Arpt | Hays | — | 18:14 local · NCEI |
Sizes filed before 1996 are often rough estimates (round numbers like 7.00 or 8.00 in) without an exact spot; they are shown as NOAA filed them.
Size of every report
- Under 1 in 17 28%
- 1–2 in 34 56%
- 2 in + 10 16%
Most recent reports
| Date | Size | Location | County | Damage | Time · source |
|---|---|---|---|---|---|
| May 22, 2025 | 1.50 inping pong ball | 1.2 W Reedville | Caldwell | — | 18:32 local · NCEI |
| May 22, 2025 | 2.00 inhen egg | 1.38 N San Marcos Muni Arpt | Hays | — | 18:14 local · NCEI |
| May 22, 2025 | 1.00 inquarter | 2.27 SW Reedville | Caldwell | — | 18:00 local · NCEI |
| Mar 23, 2025 | 1.00 inquarter | 4.32 SSW San Marcos Lowman Ar | Hays | — | 21:35 local · NCEI |
| May 9, 2024 | 2.00 inhen egg | 2.27 SW San Marcos | Hays | — | 19:38 local · NCEI |
| May 9, 2024 | 2.00 inhen egg | 2.16 NNW San Marcos Lowman Ar | Hays | $5K | 19:36 local · NCEI |
| May 9, 2024 | 1.25 inhalf dollar | 2.77 WNW San Marcos Lowman Ar | Hays | — | 19:30 local · NCEI |
| May 9, 2024 | 2.50 intennis ball | 2.16 NNE San Marcos Lowman Ar | Hays | — | 19:29 local · NCEI |
| May 9, 2024 | 3.00 inteacup | 4.57 NW San Marcos Lowman Ar | Hays | — | 19:27 local · NCEI |
| Apr 21, 2024 | 1.00 inquarter | 2.34 S San Marcos Lowman Ar | Hays | — | 00:10 local · NCEI |
| Apr 2, 2024 | 1.00 inquarter | 1.2 W San Marcos | Hays | — | 01:33 local · NCEI |
| Mar 2, 2023 | 1.00 inquarter | 0.91 SW San Marcos | Hays | — | 04:04 local · NCEI |
Hail history near San Marcos
- Kyle 14 km · 21
- Wimberley 19 km · 17
- Buda 24 km · 11
- Lockhart 25 km · 27
- New Braunfels 26 km · 79
- Canyon Lake 31 km · 53
- Seguin 32 km · 37
- Luling 35 km · 12
Questions about hail in San Marcos
How often does it hail in San Marcos, Texas?
61 hail reports have been logged in and within about 5 km (3 miles) of San Marcos since 1970. Over the 20 years 2006–2025 that averages 2.0 reports a year. That ranks #108 of 843 Texas places by number of reports.
When is hail season in San Marcos?
Most reports come in April, May, March. April alone accounts for 39% of all reports.
What is the largest hail recorded in San Marcos?
4.25 in (grapefruit size) on April 20, 2006 near 6 SW San Marcos. 16% of reports here were 2 inches or larger.
When did it last hail in San Marcos?
The most recent report in this data is from May 22, 2025 (1.50 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.
How many hail storms has San Marcos had in the last five years?
7 separate days with hail reports since November 3, 2021, adding up to 15 reports. The most recent was May 22, 2025.
Where does this hail data come from?
Hail reports come from the NOAA NCEI Storm Events Database, which the National Weather Service compiles from spotter, public, law enforcement and media reports. Recent days use preliminary NWS Local Storm Reports via the Iowa Environmental Mesonet until NOAA publishes final data. Only reported hail is counted, so areas with fewer people tend to have fewer reports.