Dulce, New Mexico has a Subarctic With Cool Summers And Year Around Rainfall climate (Köppen classification: Dfc). Average annual temperatures range from -1.2 °C (low) to 17.8 °C (high). Annual precipitation averages 440.7 Millimeters. Dulce is located in USDA Plant Hardiness Zone 5b. The growing season typically runs from the last frost around Jun. 11 - Jun. 20 through the first frost around Sep.1 - Sep. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -11.8 °C | 5.2 °C | 36.32 mm |
| February | -9.2 °C | 7.4 °C | 34.04 mm |
| March | -5.3 °C | 12.3 °C | 31.75 mm |
| April | -2.4 °C | 16.9 °C | 29.97 mm |
| May | 1.7 °C | 22.2 °C | 28.45 mm |
| June | 5.8 °C | 28.4 °C | 16.26 mm |
| July | 10.5 °C | 30.7 °C | 50.29 mm |
| August | 9.9 °C | 29.3 °C | 60.2 mm |
| September | 5.4 °C | 25.5 °C | 45.21 mm |
| October | -1.1 °C | 19.1 °C | 37.34 mm |
| November | -6.4 °C | 11.4 °C | 34.04 mm |
| December | -11.1 °C | 5.5 °C | 36.83 mm |
| Annual | -1.2 °C | 17.8 °C | 440.7 mm |
| Average First Frost Date | Sep.1 - Sep. 10 |
| Average Last Frost Date | Jun. 11 - Jun. 20 |
| Average Days With Frost | Over 180 Days |
| Plant Hardiness Zone | Zone 5b : -26.1°C to -23.3°C |
| Plant Hardiness Zone - 2012 | Zone 5b : -26.1°C to -23.3°C |
| Current Drought Conditions | Extreme Drought |
| Köppen Climate Classification | Dfc - Subarctic With Cool Summers And Year Around Rainfall |