George, Washington has a Cold Desert Climate climate (Köppen classification: BWk). Average annual temperatures range from 3.8 °C (low) to 16.6 °C (high). Annual precipitation averages 192.3 Millimeters. George is located in USDA Plant Hardiness Zone 7a. The growing season typically runs from the last frost around Apr. 11 - Apr. 20 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -4.6 °C | 2.3 °C | 24.89 mm |
| February | -2.9 °C | 6.4 °C | 17.53 mm |
| March | -0.3 °C | 12.1 °C | 18.03 mm |
| April | 2.7 °C | 16.8 °C | 15.24 mm |
| May | 7.1 °C | 22.1 °C | 16.51 mm |
| June | 10.4 °C | 25.8 °C | 13.72 mm |
| July | 13.9 °C | 30.8 °C | 6.86 mm |
| August | 13.4 °C | 30.3 °C | 4.32 mm |
| September | 9.1 °C | 25.3 °C | 5.59 mm |
| October | 3.4 °C | 17 °C | 14.99 mm |
| November | -1.4 °C | 8.1 °C | 22.86 mm |
| December | -4.7 °C | 2.2 °C | 31.75 mm |
| Annual | 3.8 °C | 16.6 °C | 192.29 mm |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| Average Days With Frost | 100-125 Days |
| Plant Hardiness Zone | Zone 7a : -17.8°C to -15°C |
| Plant Hardiness Zone - 2012 | Zone 6b : -20.6°C to -17.8°C |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | BWk - Cold Desert Climate |