Moriarty, New Mexico has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 34.6 °F (low) to 68.2 °F (high). Annual precipitation averages 13.6 Inches. Moriarty is located in USDA Plant Hardiness Zone 6a. The growing season typically runs from the last frost around May 11 - May 20 through the first frost around Oct. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 17.6 °F | 46.9 °F | 0.55 in. |
| February | 21.2 °F | 51.7 °F | 0.4 in. |
| March | 25.7 °F | 60.1 °F | 0.73 in. |
| April | 31.2 °F | 67.5 °F | 0.66 in. |
| May | 40.1 °F | 76.5 °F | 1.24 in. |
| June | 48.7 °F | 87.4 °F | 0.89 in. |
| July | 54.9 °F | 88.5 °F | 2.67 in. |
| August | 53.4 °F | 85.8 °F | 2.14 in. |
| September | 45.8 °F | 80.3 °F | 1.56 in. |
| October | 34.4 °F | 69.4 °F | 1.33 in. |
| November | 24.3 °F | 57.3 °F | 0.71 in. |
| December | 17.8 °F | 46.8 °F | 0.67 in. |
| Annual | 34.6 °F | 68.2 °F | 13.55 in. |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | May 11 - May 20 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 6a : -10°F to -5°F |
| Plant Hardiness Zone - 2012 | Zone 6a : -10°F to -5°F |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |