Average data for 10 years
1 August
Thursday
+35°
+27°
2 August
Friday
+35°
+27°
3 August
Saturday
+36°
+27°
4 August
Sunday
+36°
+28°
5 August
Monday
+35°
+27°
6 August
Tuesday
+35°
+27°
7 August
Wednesday
+35°
+27°
8 August
Thursday
+36°
+27°
9 August
Friday
+36°
+28°
10 August
Saturday
+36°
+28°
11 August
Sunday
+35°
+28°
12 August
Monday
+35°
+28°
13 August
Tuesday
+35°
+28°
14 August
Wednesday
+34°
+27°
15 August
Thursday
+34°
+27°
16 August
Friday
+34°
+27°
17 August
Saturday
+34°
+27°
18 August
Sunday
+34°
+26°
19 August
Monday
+33°
+26°
20 August
Tuesday
+33°
+27°
21 August
Wednesday
+33°
+27°
22 August
Thursday
+34°
+27°
23 August
Friday
+34°
+27°
24 August
Saturday
+33°
+26°
25 August
Sunday
+32°
+26°
26 August
Monday
+32°
+26°
27 August
Tuesday
+33°
+27°
28 August
Wednesday
+33°
+27°
29 August
Thursday
+33°
+27°
30 August
Friday
+33°
+27°
31 August
Saturday
+33°
+27°
August in San Antonio is the hottest month of the year. In August, the weather in San Antonio is typically hot. Average daily high temperature in August is about 34 degrees above zero. On average, San Antonio has 17 sunny, 11 partly cloudy, and 3 rainy days in August. The rains are usually light. August as well as May, June, July, and September is considered the most uncomfortable time to visit San Antonio.