Temperature Trends in San Antonio, Texas
Average daily temperatures in San Antonio, Texas, including the lower and upper bounds of the 95% confidence interval. Due to the possibility of missing data, the actual day counts used in the average and confidence interval calculations are provided. The table is also offered in degrees of Fahrenheit.
| January | February | March | April | May | June | July | August | September | October | November | December | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 10 12 15 | 9 11 14 | 11 14 17 | 18 19 21 | 22 23 25 | 26 27 28 | 27 28 29 | 29 29 30 | 27 28 29 | 23 24 26 | 18 20 21 | 11 13 15 |
| 2 | 8 11 14 | 8 11 14 | 11 14 17 | 18 20 22 | 20 22 24 | 27 27 28 | 27 28 29 | 29 30 30 | 27 28 30 | 23 24 25 | 16 18 20 | 12 15 17 |
| 3 | 7 11 14 | 8 12 15 | 11 14 16 | 19 20 22 | 20 22 24 | 26 27 28 | 27 28 29 | 29 30 31 | 27 29 30 | 23 24 26 | 15 17 19 | 13 15 18 |
| 4 | 9 12 15 | 9 12 14 | 12 14 16 | 18 20 22 | 21 23 24 | 26 27 28 | 27 28 29 | 29 30 31 | 27 28 29 | 23 24 26 | 15 17 19 | 11 14 17 |
| 5 | 8 11 14 | 10 12 14 | 14 16 18 | 17 19 21 | 22 24 25 | 26 27 28 | 27 28 29 | 29 30 30 | 26 28 29 | 23 24 26 | 16 18 21 | 9 12 15 |
| 6 | 9 11 13 | 11 13 15 | 14 16 18 | 18 19 21 | 23 24 25 | 26 27 28 | 28 28 29 | 29 29 30 | 26 27 28 | 22 24 25 | 16 18 20 | 9 12 15 |
| 7 | 8 10 13 | 11 13 15 | 14 16 18 | 18 20 22 | 23 24 26 | 26 27 28 | 28 29 30 | 29 30 30 | 26 27 28 | 19 21 24 | 15 17 19 | 10 12 15 |
| 8 | 8 11 13 | 11 13 15 | 14 17 19 | 18 20 22 | 23 24 26 | 26 27 28 | 27 28 29 | 29 29 30 | 26 27 28 | 19 21 24 | 15 17 19 | 10 13 15 |
| 9 | 9 11 14 | 11 13 15 | 13 16 19 | 17 20 22 | 23 25 26 | 26 27 28 | 28 29 29 | 29 29 30 | 26 27 28 | 19 21 24 | 16 18 20 | 10 13 16 |
| 10 | 9 12 14 | 10 13 16 | 13 16 18 | 19 21 22 | 23 25 26 | 27 28 29 | 28 29 29 | 29 30 30 | 26 27 28 | 19 22 24 | 17 19 21 | 8 10 12 |
| 11 | 9 11 13 | 9 12 14 | 14 16 17 | 18 20 22 | 23 24 25 | 27 28 29 | 28 29 30 | 29 30 30 | 26 27 28 | 20 22 23 | 16 18 20 | 9 11 13 |
| 12 | 10 13 16 | 8 10 13 | 14 16 18 | 17 19 21 | 23 24 25 | 27 28 29 | 28 29 30 | 29 30 31 | 26 27 28 | 22 23 24 | 15 17 20 | 9 12 14 |
| 13 | 9 11 14 | 9 12 14 | 15 17 19 | 18 20 22 | 23 24 25 | 27 28 29 | 29 29 30 | 28 29 30 | 26 27 28 | 22 23 24 | 15 17 19 | 9 11 14 |
| 14 | 7 9 11 | 10 13 15 | 15 17 19 | 19 21 22 | 23 24 26 | 27 28 29 | 29 29 30 | 28 29 30 | 26 27 28 | 20 22 24 | 15 17 19 | 11 13 15 |
| 15 | 9 10 12 | 12 15 17 | 15 17 19 | 19 21 23 | 23 24 25 | 27 28 29 | 28 29 30 | 28 29 30 | 25 26 28 | 20 21 23 | 14 17 19 | 11 13 15 |
| 16 | 9 11 14 | 11 13 16 | 15 17 19 | 19 21 22 | 23 24 26 | 27 28 29 | 28 29 30 | 28 29 30 | 25 26 28 | 20 21 23 | 13 16 18 | 9 12 14 |
| 17 | 8 11 15 | 11 13 15 | 15 17 19 | 19 21 22 | 23 25 26 | 27 28 29 | 28 29 30 | 28 29 30 | 25 26 28 | 20 21 23 | 12 14 17 | 8 11 13 |
| 18 | 8 11 13 | 11 14 16 | 17 19 20 | 19 21 22 | 24 25 26 | 27 28 29 | 28 29 30 | 29 30 31 | 25 26 27 | 19 21 23 | 13 15 17 | 10 12 14 |
| 19 | 9 11 13 | 13 15 17 | 16 18 20 | 20 21 23 | 24 25 26 | 28 29 29 | 28 29 30 | 28 29 30 | 25 26 27 | 18 20 22 | 14 16 18 | 10 13 15 |
| 20 | 10 12 14 | 14 15 17 | 15 17 19 | 21 22 23 | 23 25 26 | 27 28 29 | 28 29 29 | 29 29 30 | 25 26 27 | 19 21 22 | 14 16 18 | 9 12 15 |
| 21 | 11 13 14 | 15 17 19 | 15 17 19 | 21 22 23 | 24 25 26 | 27 28 29 | 28 29 30 | 29 30 30 | 25 26 27 | 20 21 23 | 14 16 19 | 9 11 13 |
| 22 | 12 14 15 | 13 15 17 | 16 18 20 | 22 23 24 | 24 25 26 | 27 28 29 | 29 29 30 | 28 29 30 | 23 25 27 | 20 21 23 | 14 16 18 | 8 11 14 |
| 23 | 10 12 15 | 14 16 18 | 16 18 20 | 21 23 24 | 25 26 27 | 27 28 29 | 29 29 30 | 28 29 30 | 23 25 27 | 18 20 22 | 15 17 19 | 8 11 14 |
| 24 | 9 11 13 | 14 16 19 | 17 19 21 | 20 22 24 | 25 26 27 | 27 28 29 | 28 29 30 | 27 29 30 | 23 25 27 | 18 20 22 | 13 15 17 | 7 10 12 |
| 25 | 10 12 13 | 12 15 18 | 17 18 20 | 20 22 23 | 25 26 27 | 27 28 29 | 28 29 30 | 28 29 30 | 23 24 26 | 19 21 22 | 11 14 16 | 7 9 11 |
| 26 | 11 13 15 | 12 14 17 | 15 17 20 | 20 22 23 | 26 26 27 | 27 28 30 | 28 29 30 | 28 29 30 | 23 25 27 | 18 20 22 | 12 15 17 | 6 9 11 |
| 27 | 11 13 16 | 12 15 18 | 15 17 20 | 20 22 23 | 25 26 27 | 28 29 30 | 28 29 30 | 28 29 30 | 23 25 26 | 17 19 22 | 12 14 17 | 7 10 13 |
| 28 | 10 13 15 | 13 15 17 | 16 18 20 | 20 22 23 | 25 26 27 | 28 29 30 | 28 29 30 | 28 29 30 | 23 25 27 | 16 19 21 | 11 14 16 | 10 12 13 |
| 29 | 10 13 16 | 7 16 25 | 16 18 20 | 22 23 24 | 26 27 27 | 27 28 29 | 28 29 30 | 27 29 30 | 23 24 26 | 17 19 21 | 11 14 17 | 9 11 13 |
| 30 | 9 12 14 | 17 19 21 | 22 23 24 | 26 27 28 | 27 28 29 | 28 29 30 | 27 28 29 | 22 24 25 | 17 19 21 | 12 13 15 | 9 12 14 | |
| 31 | 9 11 13 | 17 19 20 | 26 27 28 | 28 29 30 | 27 28 29 | 18 20 22 | 11 13 15 |