Weather in San Antonio in July 2025
Average weather
Average temperature in San Antonio in July
Going from a maximum of +106°F during the day to a minimum of +73°F during the night, the temperature in July averages around +100°F.
The average maximum temperature goes up 6% by the end of the month, compared with the beginning of the month, from +100°F to +102°F.
Is San Antonio warm or cold in July?
San Antonio is typically hot in July.
Maximum temperatures go up compared to the previous month from +93°F to +95°F. The minimum temperature also goes up from +73°F to +75°F.
Make sure that you pack your summer linen and swimming costumes; it’s probably going to be hot.
July is one of the warmest months in San Antonio, here is the comparison with other months:
Climate in San Antonio in July
| June | July | August | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +93°F | +95°F | +97°F | ||||
| Min. temperature | ||||||
| +57°F | +63°F | +64°F | ||||
| Max. temperature | ||||||
| +109°F | +108°F | +109°F | ||||
| Rainfall | ||||||
| 89 mm | 65 mm | 55 mm | ||||
| Wind | ||||||
| 3 m/s | 3 m/s | 3 m/s | ||||
| Humidity | ||||||
| 71% | 68% | 65% | ||||
| Air pressure | ||||||
| 1012 HPa | 1014 HPa | 1013 HPa | ||||
| Sunny days | ||||||
| 6 | 9 | 10 | ||||
| Cloudy days | ||||||
| 8 | 8 | 8 | ||||
| Rainy days | ||||||
| 14 | 12 | 12 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
July weather is still as ok as in June. It’s getting warmer as July arrives. The average maximum temperature goes up from +93°F to +95°F during the day. As July arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 89 mm to 65 mm. It feels drier, as humidity decreases from 71% to 68%. The average wind speed doesn’t change much during July, staying around 3 m/s. The good news is there are likely to be more sunny days in July, from 6 to 9.
August brings much the same weather, it remains ok.
Wind
The average wind speed is 4 m/s getting up to 6 m/s which is a medium breeze. You can feel it, especially getting out of the water.
The average wind speed in San Antonio is gradually decreasing during July, going from 5 m/s to 3 m/s over the course of the month.
Rain
How was the weather last July in San Antonio?
Climate Change Over the Years
The climate in San Antonio in July has not changed that much over the last 43 years.
The average temperature was the lowest in 1983 (+77°F) and the highest in 2006 (+85°F). The driest year was 1996 with only 401 mm of rainfall, and the wettest year was 2007 with 1606 mm.
FAQ
Is July a good time to visit San Antonio?
Can you sunbathe in San Antonio in July?
Is San Antonio rainy in July?
Is it sunny in San Antonio in July?
Other cities in USA
Monthly weather in San Antonio
Source of the data
For this page, we’ve looked at the typical weather in San Antonio, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.