Weather in San Antonio, Texas, United States in March
In an average March, San Antonio sees a daily high around 75°F and a low around 50°F, based on 1981–2026 of local climate records.
| Average high | 75°F |
|---|---|
| Typical high range | 63°F to 86°F |
| Average low | 50°F |
| Typical low range | 39°F to 62°F |
| Average daily precipitation | 0.10 in |
March records
The most extreme March on record for each metric, across 1981–2026. For rainfall, the wettest and driest are by total March accumulation.
High
Highest
96°F
2026-03-15
Lowest
43°F
2019-03-04
Low
Highest
68°F
2026-03-05
Lowest
22°F
2002-03-04
Feels-like
Highest
117°F
2025-03-29
Lowest
10°F
1989-03-05
Humidity
Highest
18.7 g/m³
2025-03-30
Lowest
2.2 g/m³
1996-03-07
Wind
Highest
35 mph
1996-03-06
Lowest
5 mph
2015-03-13
Precip
Wettest
7.50 in
2007
Driest
0.08 in
2011
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