La Jara, New Mexico has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 30.2 °F (low) to 63.9 °F (high). Annual precipitation averages 14.2 Inches. 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 | 12.6 °F | 42.1 °F | 0.93 in. |
| February | 16.5 °F | 45.9 °F | 0.84 in. |
| March | 22.6 °F | 53.9 °F | 1.0 in. |
| April | 27.3 °F | 62.2 °F | 0.91 in. |
| May | 35.2 °F | 71.9 °F | 0.91 in. |
| June | 43.5 °F | 83.2 °F | 0.64 in. |
| July | 50.7 °F | 86.1 °F | 2.14 in. |
| August | 50.0 °F | 83.5 °F | 2.22 in. |
| September | 41.5 °F | 77.2 °F | 1.58 in. |
| October | 29.9 °F | 65.9 °F | 1.02 in. |
| November | 20.2 °F | 52.6 °F | 1.0 in. |
| December | 12.7 °F | 42.5 °F | 1.03 in. |
| Annual | 30.2 °F | 63.9 °F | 14.22 in. |
| 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 : -15°F to -10°F |
| Plant Hardiness Zone - 2012 | Zone 5b : -15°F to -10°F |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |