San Antonio Weather in July
San Antonio in July averages 35°C (95°F) during the day and 24°C (75°F) at night. Keep in mind that quite a bit of rainfall is expected this month.
Rainfall in San Antonio in July
Records from the past 30 years suggest around 7 days of rain, with 69 mm (2.7 in) average for the month. Individual showers can be quite heavy this month. A proper umbrella or rain jacket is worth having.
Temperature in San Antonio in July
If you're visiting San Antonio in July, expect highs of 35°C (95°F) and overnight lows around 24°C (75°F). It's usually most comfortable outside during the morning and later in the day. At 24°C (75°F) overnight, it stays warm after dark. Light, breathable clothing and good airflow in your room make a noticeable difference.
Sunshine in San Antonio in July
There are approximately 310 hours of sunshine this month, resulting in mostly clear days.Our weather planner can help you find worldwide destinations with pleasant weather during this period. February, March, April, October and November typically offer the best weather for San Antonio.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our San Antonio's climate page.
San Antonio Temperature in July
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in San Antonio typically stay consistent throughout July, with daily highs averaging around 35°C (95°F). Nights are warm, with lows around 24°C (75°F).
Average temperatures in July
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in July
Historical weather for San Antonio in July
Browse day-by-day weather records for San Antonio spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
San Antonio historical weather extremes in July
The extremes listed below come from historical weather data collected in San Antonio from 1976 through 2025.
- San Antonio recorded its highest July temperature of 42°C (108°F) on July 23, 2018.
- San Antonio experienced its chilliest July day on July 14, 1976, reaching only 24°C (75°F).
- Nighttime temperatures dropped to 18°C (64°F) on July 1, 1985, marking the coldest July night on record.
Best Places in the United States of America in July
Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in July →
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What to Wear in San Antonio in July
Hot weather in July means keeping cool is the priority. Loose-fitting clothes in natural fabrics work best. Pack plenty of shorts, tank tops, and breathable shirts. Don't forget a hat, swimwear, and comfortable sandals. Rain gear is recommended, you can expect wet weather on multiple days. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.What To Do in San Antonio in July
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our San Antonio's climate page.
Temperature Rainfall Sunshine Humidity
See the full San Antonio climate overview or explore weather in the United States of America.