Weather & Climate at Martindale Army Airfield
San Antonio, TX
Summary of the weather and climate in San Antonio, TX:
- The average high is 79.5°F and the average low is 57.3°F.
- The hottest month is August with a high of 94.8°F.
- The coldest month is January with a low of 39.6°F.
- Annual rainfall is 34.86 inches; the rainiest month is June (4.49 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 | 62.7 | 39.6 | 1.93 | 0 | |
| February | 66.8 | 42.1 | 1.98 | 0 | |
| March | 73 | 49.7 | 2.34 | 0 | |
| April | 80.2 | 56.7 | 1.99 | 0 | |
| May | 85.6 | 65.5 | 4.45 | 0 | |
| June | 91.1 | 71.6 | 4.49 | 0 | |
| July | 93.6 | 73.5 | 2.71 | 0 | |
| August | 94.8 | 73.5 | 2.34 | 0 | |
| September | 89.8 | 68.1 | 3.33 | 0 | |
| October | 81.4 | 58.6 | 4.45 | 0 | |
| November | 71.9 | 48.9 | 2.72 | 0 | |
| December | 63.5 | 39.7 | 2.13 | 0 |
MilBases