Radium Springs, New Mexico has a Cold Semi-Arid Climate climate (Köppen classification: BSk). Average annual temperatures range from 46.5 °F (low) to 78.6 °F (high). Annual precipitation averages 10.1 Inches. Radium Springs is located in USDA Plant Hardiness Zone 8a. The growing season typically runs from the last frost around Apr. 1 - Apr. 10 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 27.5 °F | 58.7 °F | 0.59 in. |
| February | 31.4 °F | 63.9 °F | 0.53 in. |
| March | 37.5 °F | 71.4 °F | 0.42 in. |
| April | 44.1 °F | 78.9 °F | 0.28 in. |
| May | 52.7 °F | 87.7 °F | 0.34 in. |
| June | 63.1 °F | 96.7 °F | 0.55 in. |
| July | 67.5 °F | 96.5 °F | 1.75 in. |
| August | 66.1 °F | 94.2 °F | 2.07 in. |
| September | 59.1 °F | 88.9 °F | 1.47 in. |
| October | 46.6 °F | 79.9 °F | 1.13 in. |
| November | 34.7 °F | 67.8 °F | 0.41 in. |
| December | 27.4 °F | 58.0 °F | 0.52 in. |
| Annual | 46.5 °F | 78.6 °F | 10.06 in. |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 1 - Apr. 10 |
| Average Days With Frost | 75-100 Days |
| Plant Hardiness Zone | Zone 8a : 10°F to 15°F |
| Plant Hardiness Zone - 2012 | Zone 7b : 5°F to 10°F |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | BSk - Cold Semi-Arid Climate |