Lupton, Arizona has a Cold Semi-Arid Climate climate (Köppen classification: BSk). Average annual temperatures range from 34.6 °F (low) to 67.9 °F (high). Annual precipitation averages 11.2 Inches. Lupton is located in USDA Plant Hardiness Zone 6b. 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 | 17.1 °F | 46.4 °F | 0.91 in. |
| February | 21.1 °F | 50.9 °F | 0.91 in. |
| March | 25.1 °F | 58.5 °F | 0.88 in. |
| April | 30.9 °F | 66.4 °F | 0.61 in. |
| May | 38.9 °F | 75.3 °F | 0.59 in. |
| June | 47.6 °F | 86.7 °F | 0.25 in. |
| July | 56.2 °F | 89.9 °F | 1.48 in. |
| August | 55.1 °F | 86.7 °F | 1.7 in. |
| September | 47.2 °F | 81.0 °F | 1.09 in. |
| October | 34.8 °F | 70.0 °F | 0.89 in. |
| November | 24.0 °F | 56.6 °F | 0.79 in. |
| December | 16.9 °F | 46.3 °F | 1.11 in. |
| Annual | 34.6 °F | 67.9 °F | 11.21 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 6b : -5°F to 0°F |
| Plant Hardiness Zone - 2012 | Zone 6a : -10°F to -5°F |
| Current Drought Conditions | Extreme Drought |
| Köppen Climate Classification | BSk - Cold Semi-Arid Climate |