MilBases
Weather & Climate at Camp Stanley Army Base
San Antonio, TX
Summary of the weather and climate in San Antonio, TX:
- The average high is 78.2°F and the average low is 53.4°F.
- The hottest month is August with a high of 94.1°F.
- The coldest month is January with a low of 35.4°F.
- Annual rainfall is 38.1 inches; the rainiest month is May (4.64 in).
Source: NOAA climate normals.
Temperatures through the year
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Bars span each month's average low to average high (30°F – 100°F scale).
Monthly averages
| Month | High (°F) | Low (°F) | Rain (in) | Snow (in) | |
|---|---|---|---|---|---|
| January | 61 | 35.4 | 2.08 | 0 | |
| February | 64.8 | 38.4 | 2.39 | 0 | |
| March | 71.4 | 45.6 | 2.95 | 0 | |
| April | 78.7 | 52.8 | 2.26 | 0 | |
| May | 84.5 | 61.8 | 4.64 | 0 | |
| June | 89.7 | 67.9 | 4.63 | 0 | |
| July | 92.5 | 69.9 | 3.27 | 0 | |
| August | 94.1 | 69.3 | 2.73 | 0 | |
| September | 88.6 | 63.7 | 3.41 | 0 | |
| October | 80.2 | 54.7 | 4.38 | 0 | |
| November | 70.5 | 44.9 | 3.12 | 0 | |
| December | 62 | 36.5 | 2.24 | 0 |