La Jara, New Mexico has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from -1 °C (low) to 17.7 °C (high). Annual precipitation averages 361.2 Millimeters. La Jara is located in USDA Plant Hardiness Zone 5b. The growing season typically runs from the last frost around May 21 - May 31 through the first frost around Sep. 21 - Sep. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -10.8 °C | 5.6 °C | 23.62 mm |
| February | -8.6 °C | 7.7 °C | 21.34 mm |
| March | -5.2 °C | 12.2 °C | 25.4 mm |
| April | -2.6 °C | 16.8 °C | 23.11 mm |
| May | 1.8 °C | 22.2 °C | 23.11 mm |
| June | 6.4 °C | 28.4 °C | 16.26 mm |
| July | 10.4 °C | 30.1 °C | 54.36 mm |
| August | 10 °C | 28.6 °C | 56.39 mm |
| September | 5.3 °C | 25.1 °C | 40.13 mm |
| October | -1.2 °C | 18.8 °C | 25.91 mm |
| November | -6.6 °C | 11.4 °C | 25.4 mm |
| December | -10.7 °C | 5.8 °C | 26.16 mm |
| Annual | -1 °C | 17.7 °C | 361.19 mm |
| Average First Frost Date | Sep. 21 - Sep. 30 |
| Average Last Frost Date | May 21 - May 31 |
| 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 | Dfb - Humid Continental Mild Summer, Wet All Year |