Weather in San Antonio in January
In an average January, San Antonio sees a daily high around 62°F and a low around 43°F, based on 1980–2026 of local climate records.
| Average high | 62°F |
|---|---|
| Typical high range | 47°F to 74°F |
| Average low | 43°F |
| Typical low range | 31°F to 56°F |
| Average daily precipitation | 0.10 in |
January records
The most extreme January on record for each metric, across 1980–2026. For rainfall, the wettest and driest are by total January accumulation.
High
Highest
88°F
2026-01-02
Lowest
28°F
1997-01-13
Low
Highest
69°F
2013-01-29
Lowest
15°F
1982-01-11
Feels-like
Highest
96°F
2013-01-29
Lowest
0°F
1982-01-11
Humidity
Highest
18.3 g/m³
2005-01-03
Lowest
1.1 g/m³
1982-01-11
Wind
Highest
24 mph
1985-01-20
Lowest
4 mph
2019-01-15
Gust
Highest
47 mph
2024-01-09
Lowest
8 mph
2019-01-16
Precip
Wettest
5.33 in
2007
Driest
0.30 in
1996
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