Cedar Grove, New Mexico has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 3.5 °C (low) to 18.2 °C (high). Annual precipitation averages 438.9 Millimeters. Cedar Grove is located in USDA Plant Hardiness Zone 7a. The growing season typically runs from the last frost around May 21 - May 31 through the first frost around Oct. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -5.5 °C | 6.5 °C | 22.86 mm |
| February | -4.1 °C | 9.2 °C | 19.3 mm |
| March | -1.3 °C | 13.5 °C | 30.99 mm |
| April | 1.5 °C | 17.5 °C | 28.7 mm |
| May | 6.6 °C | 22.7 °C | 28.45 mm |
| June | 11.5 °C | 28.7 °C | 26.16 mm |
| July | 13.8 °C | 29.6 °C | 72.64 mm |
| August | 13.2 °C | 28.2 °C | 79.5 mm |
| September | 9.5 °C | 25.2 °C | 43.94 mm |
| October | 3.8 °C | 18.9 °C | 36.83 mm |
| November | -1.6 °C | 12.1 °C | 25.91 mm |
| December | -5.4 °C | 6.8 °C | 23.62 mm |
| Annual | 3.5 °C | 18.2 °C | 438.9 mm |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | May 21 - May 31 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 7a : -17.8°C to -15°C |
| Plant Hardiness Zone - 2012 | Zone 7a : -17.8°C to -15°C |
| Current Drought Conditions | Extreme Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |