Elfrida, Arizona has a Cold Semi-Arid Climate climate (Köppen classification: BSk). Average annual temperatures range from 8.4 °C (low) to 26.9 °C (high). Annual precipitation averages 278.9 Millimeters. Elfrida is located in USDA Plant Hardiness Zone 8b. The growing season typically runs from the last frost around Apr. 1 - Apr. 10 through the first frost around Nov. 1 - Nov. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -0.9 °C | 17.4 °C | 18.03 mm |
| February | 0.9 °C | 19.3 °C | 15.24 mm |
| March | 3.6 °C | 22.9 °C | 13.97 mm |
| April | 6.5 °C | 26.8 °C | 3.56 mm |
| May | 10.7 °C | 31.2 °C | 4.57 mm |
| June | 16 °C | 36.2 °C | 7.11 mm |
| July | 19.3 °C | 35.3 °C | 57.66 mm |
| August | 18.7 °C | 33.8 °C | 72.39 mm |
| September | 15.2 °C | 32.6 °C | 28.7 mm |
| October | 8.8 °C | 28.4 °C | 22.61 mm |
| November | 2.9 °C | 21.8 °C | 15.49 mm |
| December | -0.5 °C | 17.1 °C | 19.56 mm |
| Annual | 8.4 °C | 26.9 °C | 278.89 mm |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| Average Last Frost Date | Apr. 1 - Apr. 10 |
| Average Days With Frost | 50-75 Days |
| Plant Hardiness Zone | Zone 8b : -9.4°C to -6.7°C |
| Plant Hardiness Zone - 2012 | Zone 8a : -12.2°C to -9.4°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | BSk - Cold Semi-Arid Climate |