Weather & Climate at Joint Base San Antonio in San Antonio, TX
Summary of the weather and climate in San Antonio, TX:
- The average high in San Antonio, TX is 79.5°F and average low is 57.3°F
- The hottest month is August with an high of 94.8°F
- The coldest month is January with an low of 39.6°F
- Annual rainfall is 34.86 inches. The rainiest month is June with an average of 4.49 inches.
SOURCE: NOAA.GOV
Climate Table — Joint Base San Antonio
Monthly Averages:
| High (°F) | Low (°F) | Rainfall (inches) | Snowfall (inches) | |
|---|---|---|---|---|
| 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 |
Climate Charts — Joint Base San Antonio
Weather through the year:
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