San Antonio Weather in July
Average highs run from 15°C on July 1 to 15°C on July 31, and lows from 6°C to 6°C. Normal precipitation for the month is 62 mm over about 6 wet days.
July day by day
The normal high and low for each date, in °C.
- Normal low
- Normal high
- Reanalysis extreme high
- Reanalysis extreme low
July at a glance
- Average high
- 15°C
- Average low
- 6°C
- Precipitation
- 62 mm
- Reanalysis high
- 27°CJul 18, 2012
- Reanalysis low
- -2°CJul 16, 2017
- Daylight
- 9 h 57 min to 10 h 28 min
- Cloud cover
- 55%
- Humidity
- 73%
- Dew point
- 4°C
- Wind
- 8.6 km/h
Every day of the month
A wet day has at least 1 mm of precipitation in the reanalysis.
| Date | Normal high | Normal low | Reanalysis high | Reanalysis low | Chance wet |
|---|---|---|---|---|---|
| Jul 1 | 15°C | 6°C | 22°C 2017 | 0°C 2011 | 25% |
| Jul 2 | 15°C | 6°C | 25°C 2003 | 0°C 2011 | 24% |
| Jul 3 | 15°C | 6°C | 21°C 2006 | 0°C 2002 | 24% |
| Jul 4 | 15°C | 6°C | 25°C 2006 | 1°C 1999 | 24% |
| Jul 5 | 15°C | 6°C | 23°C 2019 | 1°C 2012 | 24% |
| Jul 6 | 15°C | 6°C | 20°C 1992 | 1°C 2012 | 23% |
| Jul 7 | 15°C | 6°C | 23°C 2011 | 2°C 2007 | 23% |
| Jul 8 | 15°C | 6°C | 20°C 2018 | -1°C 2007 | 22% |
| Jul 9 | 15°C | 6°C | 20°C 2018 | 0°C 2007 | 22% |
| Jul 10 | 15°C | 6°C | 22°C 1996 | 0°C 2007 | 22% |
| Jul 11 | 15°C | 6°C | 21°C 1996 | 0°C 2010 | 22% |
| Jul 12 | 15°C | 6°C | 23°C 1996 | -1°C 2010 | 20% |
| Jul 13 | 15°C | 6°C | 22°C 2002 | 1°C 1999 | 20% |
| Jul 14 | 15°C | 6°C | 23°C 2020 | 1°C 1995 | 20% |
| Jul 15 | 15°C | 6°C | 21°C 2019 | 0°C 1995 | 20% |
| Jul 16 | 15°C | 6°C | 20°C 2009 | -2°C 2017 | 20% |
| Jul 17 | 15°C | 6°C | 21°C 2006 | -2°C 2017 | 20% |
| Jul 18 | 15°C | 6°C | 27°C 2012 | 1°C 1995 | 21% |
| Jul 19 | 15°C | 6°C | 24°C 2006 | 1°C 2018 | 20% |
| Jul 20 | 15°C | 6°C | 21°C 1996 | 1°C 2011 | 20% |
| Jul 21 | 15°C | 6°C | 22°C 2017 | -1°C 2013 | 20% |
| Jul 22 | 15°C | 6°C | 21°C 2011 | 1°C 2009 | 19% |
| Jul 23 | 15°C | 6°C | 24°C 2011 | 0°C 2009 | 20% |
| Jul 24 | 15°C | 6°C | 22°C 2013 | 1°C 2014 | 20% |
| Jul 25 | 15°C | 6°C | 21°C 1998 | 0°C 2007 | 20% |
| Jul 26 | 15°C | 6°C | 20°C 1997 | 2°C 2003 | 19% |
| Jul 27 | 15°C | 6°C | 20°C 1996 | 1°C 1993 | 19% |
| Jul 28 | 15°C | 6°C | 23°C 1996 | 1°C 1993 | 19% |
| Jul 29 | 15°C | 6°C | 22°C 2015 | 2°C 1993 | 18% |
| Jul 30 | 15°C | 6°C | 25°C 1996 | 1°C 1992 | 19% |
| Jul 31 | 15°C | 6°C | 21°C 1996 | 0°C 1992 | 20% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (GMT-4).
- July 1
- sunrise 7:52 AM, sunset 5:49 PM
- July 31
- sunrise 7:39 AM, sunset 6:07 PM
Other months
Sources
Cloud, humidity, wind and sunshine, and temperature and precipitation: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-25. Sun and moon: computed with the NOAA solar equations and Meeus.