The weather in July in San Antonio

It's hot in July in San Antonio with an average temperature of 36°C. Temperatures this month range from a low of 34°C to a high of 38°C. At night, you can expect temperatures between 24°C and 26°C.

July isn’t a good month to be in San Antonio. The average temperature of 36°C this month is uncomfortably hot for a comfortable stay.

Average temperatures and precipitation

This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in July for San Antonio, Texas. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.

Temperature records

With 42°C in 2022, San Antonio reached the highest temperature in July over the past 10 years. The lowest daytime temperature in this month was 25°C in 2021. The extreme nighttime temperatures ranged from a lowest recorded value of 18°C to a highest value of 28°C.

Rainfall amount

In July, there is an average of 76 mm of precipitation, spread over 9 days. The wind speed is around 4 Bft, mostly coming from the Southeast.

Daily weather in July for San Antonio

Click on any day in July to get detailed info about the usual weather on that day in San Antonio. Check out the historical temperatures and precipitation over the past 10 years on this day.

July weather comparison

  San Antonio New York
Average temperature 36°C 31°C
Max. temperature 38°C 33°C
Min. temperature 24°C -5°C
Total precipitation 76 mm 160 mm
Rainy days 9 days 18 days

Start of July

The month of July starts in San Antonio with hot temps, averaging around 36°C during the day and nights around 25°C.

Mid July

By mid-July, daytime temps rise to around 37°C, with nights around 25°C. There’s a chance of some showers during this time, but plenty of dry and sunny days too.

End of July

By the end of July, the average daytime temperature in San Antonio is around 38°C, while nighttime temps are about 26°C. A shower might pop up, but overall, the weather will be dry and sunny.

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UV index

The UV index is a maximum of 6 this month. That's a moderate to high value on the intensity scale of 1 to 11. Unprotected skin can burn within 15-25 minutes.

The hurricane season in San Antonio runs from June to November.

Check out the climate of San Antonio for all months and discover the best travel time

Temperature charts

These charts show the average temperatures in July in San Antonio, Texas. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.

Daily Temperature in July in San Antonio

Temperature in July in San Antonio over the years

Precipitation charts

These charts show the average amount of precipitation in July in San Antonio, Texas. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.

Daily Precipitation in July in San Antonio

Total precipitation in July in San Antonio over the years

Daily UV index in July in San Antonio

This chart shows the average daily UV index in July in San Antonio, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.

Weather experiences in July in San Antonio

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Average weather in San Antonio by month

Click on a month below to see detailed weather info for San Antonio. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.