Truth or Consequences, New Mexico has a Cold Semi-Arid Climate climate (Köppen classification: BSk). Average annual temperatures range from 8.2 °C (low) to 25.5 °C (high). Annual precipitation averages 254.5 Millimeters. Truth or Consequences is located in USDA Plant Hardiness Zone 8a. The growing season typically runs from the last frost around Mar. 11 - Mar. 20 through the first frost around Nov. 1 - Nov. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -2.4 °C | 14.2 °C | 11.18 mm |
| February | -0.4 °C | 17.2 °C | 9.14 mm |
| March | 3.2 °C | 21.3 °C | 6.1 mm |
| April | 6.9 °C | 26 °C | 6.35 mm |
| May | 11.9 °C | 30.7 °C | 8.38 mm |
| June | 17.2 °C | 35.9 °C | 16.26 mm |
| July | 19.8 °C | 35.9 °C | 53.34 mm |
| August | 18.9 °C | 34.7 °C | 44.2 mm |
| September | 14.9 °C | 31.4 °C | 46.74 mm |
| October | 8.3 °C | 26.2 °C | 24.64 mm |
| November | 1.9 °C | 19.2 °C | 12.19 mm |
| December | -2.3 °C | 13.7 °C | 16 mm |
| Annual | 8.2 °C | 25.5 °C | 254.52 mm |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| Average Last Frost Date | Mar. 11 - Mar. 20 |
| Average Days With Frost | 75-100 Days |
| Plant Hardiness Zone | Zone 8a : -12.2°C to -9.4°C |
| Plant Hardiness Zone - 2012 | Zone 8a : -12.2°C to -9.4°C |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | BSk - Cold Semi-Arid Climate |