US Geography / US Weather / Texas Weather / San Marcos |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
| Avg. High | 60 | 64 | 74 | 80 | 85 | 91 | 94 | 95 | 88 | 81 | 71 | 64 |
| Avg. Low | 36 | 38 | 47 | 56 | 64 | 68 | 71 | 71 | 66 | 56 | 47 | 38 |
| Mean | 48 | 52 | 60 | 68 | 75 | 80 | 84 | 84 | 78 | 68 | 58 | 51 |
| Avg. Precip. | 2.0 in | 2.3 in | 1.8 in | 2.8 in | 5.0 in | 4.3 in | 2.1 in | 2.3 in | 3.7 in | 3.1 in | 3.1 in | 2.1 in |
Degrees in Fahrenheit
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