Nogales, Arizona has a Hot Semi-Arid Climate climate (Köppen classification: BSh). Average annual temperatures range from 46.3 °F (low) to 79.6 °F (high). Annual precipitation averages 16.7 Inches. Nogales is located in USDA Plant Hardiness Zone 8b. The growing season typically runs from the last frost around Apr. 11 - Apr. 20 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 31.1 °F | 64.4 °F | 1.01 in. |
| February | 33.3 °F | 66.4 °F | 1.01 in. |
| March | 37.5 °F | 71.9 °F | 0.87 in. |
| April | 41.5 °F | 78.4 °F | 0.37 in. |
| May | 48.7 °F | 86.3 °F | 0.15 in. |
| June | 58.7 °F | 95.1 °F | 0.43 in. |
| July | 66.1 °F | 93.4 °F | 4.34 in. |
| August | 64.7 °F | 91.6 °F | 3.82 in. |
| September | 58.8 °F | 89.3 °F | 1.74 in. |
| October | 46.9 °F | 82.4 °F | 1.11 in. |
| November | 37.1 °F | 72.5 °F | 0.62 in. |
| December | 30.7 °F | 63.8 °F | 1.23 in. |
| Annual | 46.3 °F | 79.6 °F | 16.7 in. |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| Average Days With Frost | 75-100 Days |
| Plant Hardiness Zone | Zone 8b : 15°F to 20°F |
| Plant Hardiness Zone - 2012 | Zone 8a : 10°F to 15°F |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | BSh - Hot Semi-Arid Climate |