San Elizario, Texas has a Cold Desert Climate climate (Köppen classification: BWk). Average annual temperatures range from 10 °C (low) to 26.9 °C (high). Annual precipitation averages 214.1 Millimeters. 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 | -0.8 °C | 15.7 °C | 10.67 mm |
| February | 1.7 °C | 18.7 °C | 10.92 mm |
| March | 5.3 °C | 23.1 °C | 6.35 mm |
| April | 9.4 °C | 27.7 °C | 4.57 mm |
| May | 14.3 °C | 32.3 °C | 8.38 mm |
| June | 19.4 °C | 36.9 °C | 18.54 mm |
| July | 21.2 °C | 36.5 °C | 38.35 mm |
| August | 20.4 °C | 35.3 °C | 36.83 mm |
| September | 17 °C | 32.3 °C | 33.27 mm |
| October | 10.2 °C | 27.6 °C | 19.3 mm |
| November | 3.3 °C | 20.8 °C | 10.16 mm |
| December | -1.1 °C | 15.3 °C | 16.76 mm |
| Annual | 10 °C | 26.9 °C | 214.1 mm |
| 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 : -9.4°C to -6.7°C |
| Plant Hardiness Zone - 2012 | Zone 8a : -12.2°C to -9.4°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | BWk - Cold Desert Climate |