San Elizario, Texas has a Cold Desert Climate climate (Köppen classification: BWk). Average annual temperatures range from 50.1 °F (low) to 80.3 °F (high). Annual precipitation averages 8.4 Inches. San Elizario is located in USDA Plant Hardiness Zone 8b. The growing season typically runs from the last frost around Feb. 21 - Feb. 29 through the first frost around Nov. 21 - Nov. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 30.5 °F | 60.2 °F | 0.42 in. |
| February | 35.0 °F | 65.7 °F | 0.43 in. |
| March | 41.6 °F | 73.6 °F | 0.25 in. |
| April | 48.9 °F | 81.9 °F | 0.18 in. |
| May | 57.7 °F | 90.2 °F | 0.33 in. |
| June | 66.9 °F | 98.5 °F | 0.73 in. |
| July | 70.2 °F | 97.7 °F | 1.51 in. |
| August | 68.8 °F | 95.5 °F | 1.45 in. |
| September | 62.6 °F | 90.1 °F | 1.31 in. |
| October | 50.3 °F | 81.6 °F | 0.76 in. |
| November | 38.0 °F | 69.4 °F | 0.4 in. |
| December | 30.1 °F | 59.5 °F | 0.66 in. |
| Annual | 50.1 °F | 80.3 °F | 8.43 in. |
| Average First Frost Date | Nov. 21 - Nov. 30 |
| Average Last Frost Date | Feb. 21 - Feb. 29 |
| Average Days With Frost | 30-40 Days |
| Plant Hardiness Zone | Zone 8b : 15°F to 20°F |
| Plant Hardiness Zone - 2012 | Zone 8a : 10°F to 15°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | BWk - Cold Desert Climate |