Climate in San Antonio
The typical year in San Antonio (Texas), from 1991-2020 normals. For what's happening now, see the current forecast ; a month ahead — the 30-day outlook .
Annual mean temp
22.4°C
average across 12 months
Annual precipitation
978 mm
yearly total
Warmest month
Aug
⌀ max 36°C
Coldest month
Jan
⌀ min 6°C
Temperatures by month typical high (orange) · typical low (blue)
Precipitation by month monthly totals across the year
The short version
Region Texas
Region Texas
Latitude 29.4241°N
Annual mean 22.4°C
Annual precipitation 978 mm
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Precip NEXRAD · NOAA Temp Wind Clouds Terrain
Source · 1991-2020 normals