Bitter Springs, Arizona has a Cold Desert Climate climate (Köppen classification: BWk). Average annual temperatures range from 6.5 °C (low) to 20.8 °C (high). Annual precipitation averages 195.6 Millimeters. Bitter Springs is located in USDA Plant Hardiness Zone 7b. The growing season typically runs from the last frost around Apr. 21 - Apr. 30 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -3.8 °C | 7.3 °C | 20.57 mm |
| February | -1.9 °C | 9.9 °C | 13.97 mm |
| March | 1.4 °C | 15.1 °C | 12.7 mm |
| April | 4.7 °C | 20.2 °C | 10.92 mm |
| May | 9.7 °C | 25.8 °C | 12.45 mm |
| June | 15 °C | 32.4 °C | 4.06 mm |
| July | 18.6 °C | 34.9 °C | 20.57 mm |
| August | 17.6 °C | 33.2 °C | 30.48 mm |
| September | 13.3 °C | 29.1 °C | 19.81 mm |
| October | 6.8 °C | 21.4 °C | 25.15 mm |
| November | 0.8 °C | 13.1 °C | 10.92 mm |
| December | -3.7 °C | 6.8 °C | 13.97 mm |
| Annual | 6.5 °C | 20.8 °C | 195.57 mm |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 125-150 Days |
| Plant Hardiness Zone | Zone 7b : -15°C to -12.2°C |
| Plant Hardiness Zone - 2012 | Zone 8a : -12.2°C to -9.4°C |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | BWk - Cold Desert Climate |