Three Points, Arizona has a Hot Desert Climate climate (Köppen classification: BWh). Average annual temperatures range from 12 °C (low) to 29.1 °C (high). Annual precipitation averages 273.8 Millimeters. Three Points is located in USDA Plant Hardiness Zone 9a. The growing season typically runs from the last frost around Mar. 1 - Mar. 10 through the first frost around Nov. 21 - Nov. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 2.7 °C | 19.3 °C | 17.27 mm |
| February | 4.1 °C | 20.9 °C | 18.29 mm |
| March | 6.9 °C | 24.5 °C | 13.46 mm |
| April | 9.7 °C | 28.5 °C | 8.13 mm |
| May | 13.9 °C | 33.3 °C | 6.86 mm |
| June | 19.4 °C | 38.5 °C | 5.33 mm |
| July | 23.2 °C | 38.2 °C | 59.44 mm |
| August | 22.4 °C | 37.2 °C | 58.93 mm |
| September | 19.2 °C | 35.4 °C | 27.69 mm |
| October | 12.7 °C | 30.7 °C | 20.57 mm |
| November | 6.6 °C | 24.4 °C | 17.02 mm |
| December | 2.6 °C | 18.8 °C | 20.83 mm |
| Annual | 12 °C | 29.1 °C | 273.82 mm |
| Average First Frost Date | Nov. 21 - Nov. 30 |
| Average Last Frost Date | Mar. 1 - Mar. 10 |
| Average Days With Frost | 30-40 Days |
| Plant Hardiness Zone | Zone 9a : -6.7°C to -3.9°C |
| Plant Hardiness Zone - 2012 | Zone 9a : -6.7°C to -3.9°C |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | BWh - Hot Desert Climate |