San Antonio weather in July
Temperature, rain and sunshine in July: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in July
Fair
Best time to visit: October – April
What is the weather like in San Antonio in July?
In July, San Antonio is very hot: daytime highs average 35 °C, and even at night it stays warm at around 24 °C. The sun shines for around 9 hours a day. Rain falls on about 7 days, adding up to 59 mm. On about 29 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, July is a so-so month for a holiday in San Antonio.
July compared
How the weather changes from June to August. Tap a month to open it.
More details for July
- Daylight
- 13 h 52 min06:44 – 20:36
- UV index
- 12 · extremeclear sky, noon (estimate)All months
- Muggy days
- 29 daysdew point 18 °C or moreAll months
- Wind
- 18 km/haverage daily peakAll months
- Cloud cover
- 48 %on averageAll months
- Hot days
- 29 days30 °C or moreAll months
- Time zone
- UTC−5America/Chicago
How the score comes together
- Temperatureweight 50 %6 %
- Sunshineweight 20 %93 %
- Few rainy daysweight 30 %80 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in July
- Sunscreen
- Sunglasses & sun hat
- Light, breathable clothes
- Water bottle – drink plenty
- Insect repellent
San Antonio in July: quick answers
Is San Antonio hot in July?
Yes. In July, San Antonio is very hot: daytime highs average 35 °C and nights stay around 24 °C. On about 29 days the thermometer climbs to 30 °C or more.
Does it rain much in San Antonio in July?
Rain falls on about 7 days, adding up to 59 mm.
San Antonio month by month
The whole year in San AntonioAll destinations: USAWhere to go in July
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences