The weather in August in San Antonio

It's warm in August in San Antonio with an average temperature of 27°C. Temperatures this month range from a low of 26°C to a high of 28°C. At night, you can expect temperatures between 22°C and 23°C.

Looking for great weather? August is a good time to be in San Antonio. The temperatures are nice, and there’s little chance of rain this month.

Average temperatures and precipitation

This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in August for San Antonio, La Palma. 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 36°C in 2021, San Antonio reached the highest temperature in August over the past 10 years. The lowest daytime temperature in this month was 24°C in 2018. The extreme nighttime temperatures ranged from a lowest recorded value of 19°C to a highest value of 28°C.

Rainfall amount

According to weather history, there is only 2,6 mm of precipitation in August. The wind speed is around 5 Bft, mostly coming from the East.

Daily weather in August for San Antonio

Click on any day in August 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.

August weather comparison

  San Antonio New York
Average temperature 27°C 30°C
Max. temperature 28°C 31°C
Min. temperature 22°C -5°C
Total precipitation 2,6 mm 79 mm
Rainy days 1 day 13 days

Start of August

The month of August starts in San Antonio with hot temps, averaging around 27°C during the day and nights around 23°C.

Mid August

By mid-August, daytime temps rise to around 28°C, with nights around 23°C. No precipitation expected during this period, so you can enjoy plenty of sunshine.

End of August

By the end of August, the average daytime temperature in San Antonio is around 28°C, while nighttime temps are about 23°C. No precipitation expected at the end of the month; it’ll be mostly sunny.

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UV index

The UV index is a maximum of 9 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.

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 August in San Antonio, La Palma. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.

Daily Temperature in August in San Antonio

Temperature in August in San Antonio over the years

Precipitation charts

These charts show the average amount of precipitation in August in San Antonio, La Palma. 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 August in San Antonio

Total precipitation in August in San Antonio over the years

Daily UV index in August in San Antonio

This chart shows the average daily UV index in August 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 August 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.