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San Antonio weather in August

Weather in San Antonio: August


	Average day temperature:	95.6°F
	Average night temperature:	79.9°F

	Number of sunny days:	17 days
	Day length:	12.8 - 13.5 hours

	Number of rainy days:	1 day
	Precipitation totals:	0.5 in.

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14 days
forecast

San Antonio

weather in
September

San Antonio

January
February
March
April

May
June
July
August

September
October
November
December

Show year:

2024

2023

2022

102

119

136

Day temperature

Night temperature

The highest day temperature during August of 2024 was 103°F. At the same time the lowest night temperature was 75°F. Daily and nightly averages during August were 95.2°F and 79.6°F.

	Sunny days
	Partly cloudy days
	Cloudy days

53%

38%

Mostly all days in August are sunny but cloudy days are also possible.

jan

feb

mar

apr

may

jun

jul

aug

sep

oct

nov

dec

0.0

0.4

0.7

1.1

1.5

1.8

2.2

2.5

1.0

2.1

1.2

1.0

2.1

1.2

Precipitation total value in San Antonio in August is 0.5 in. Other months of the year show relatively similar values.

jan

feb

mar

apr

may

jun

jul

aug

sep

oct

nov

dec

0.0

1.8

3.5

5.3

7.1

8.8

10.6

12.3

7.9

8.3

8.4

8.0

8.9

9.3

9.7

10.3

9.6

9.0

8.5

7.9

8.3

8.4

8.0

8.4

8.9

9.3

9.7

10.3

9.6

9.0

8.5

The average wind speed value in August is 8.4 mph

jan

feb

mar

apr

may

jun

jul

aug

sep

oct

nov

dec

0.0

1.6

3.1

4.7

6.2

7.8

9.4

10.9

5.4

6.1

7.6

8.8

9.1

8.9

6.6

6.3

6.9

6.0

6.5

5.4

6.1

7.6

8.8

9.0

9.1

8.9

6.6

6.3

6.9

6.0

6.5

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in August is: 9.0.