Weather in San Antonio in May
In an average May, San Antonio sees a daily high around 86°F and a low around 67°F, based on 1980–2026 of local climate records.
| Average high | 86°F |
|---|---|
| Typical high range | 79°F to 93°F |
| Average low | 67°F |
| Typical low range | 59°F to 74°F |
| Average daily precipitation | 0.20 in |
May records
The most extreme May on record for each metric, across 1980–2026. For rainfall, the wettest and driest are by total May accumulation.
High
Highest
101°F
1989-05-25
Lowest
64°F
1994-05-01
Low
Highest
78°F
2024-05-22
Lowest
44°F
2013-05-04
Feels-like
Highest
153°F
2004-05-31
Lowest
39°F
2013-05-04
Humidity
Highest
24.5 g/m³
2024-05-27
Lowest
4.8 g/m³
2014-05-01
Wind
Highest
22 mph
2004-05-01
Lowest
4 mph
2023-05-22
Gust
Highest
41 mph
1995-05-08
Lowest
10 mph
2023-05-17
Precip
Wettest
11.19 in
1987
Driest
0.36 in
1998
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