Prescott, Oregon has a Warm-Summer Mediterranean Climate climate (Köppen classification: Csb). Average annual temperatures range from 6.6 °C (low) to 16.3 °C (high). Annual precipitation averages 1154.2 Millimeters. Prescott is located in USDA Plant Hardiness Zone 8b. The growing season typically runs from the last frost around Apr. 21 - Apr. 30 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 2.1 °C | 8.2 °C | 159.77 mm |
| February | 1.8 °C | 10.2 °C | 113.54 mm |
| March | 3.3 °C | 12.7 °C | 123.44 mm |
| April | 5.1 °C | 15.3 °C | 99.82 mm |
| May | 8.1 °C | 18.9 °C | 66.8 mm |
| June | 10.4 °C | 21.1 °C | 49.02 mm |
| July | 12.6 °C | 24.6 °C | 12.7 mm |
| August | 12.6 °C | 25.4 °C | 19.05 mm |
| September | 10.3 °C | 22.9 °C | 49.02 mm |
| October | 7 °C | 16.8 °C | 107.95 mm |
| November | 4.1 °C | 11.2 °C | 173.23 mm |
| December | 1.9 °C | 7.7 °C | 179.83 mm |
| Annual | 6.6 °C | 16.3 °C | 1154.17 mm |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 50-75 Days |
| Plant Hardiness Zone | Zone 8b : -9.4°C to -6.7°C |
| Plant Hardiness Zone - 2012 | Zone 8b : -9.4°C to -6.7°C |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Csb - Warm-Summer Mediterranean Climate |