Wray, Colorado has a Cold Semi-Arid Climate climate (Köppen classification: BSk). Average annual temperatures range from 2.5 °C (low) to 18.9 °C (high). Annual precipitation averages 468.4 Millimeters. Wray is located in USDA Plant Hardiness Zone 5b. The growing season typically runs from the last frost around May 1 - May 10 through the first frost around Oct. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -9.1 °C | 6.2 °C | 10.41 mm |
| February | -7.9 °C | 7.6 °C | 12.19 mm |
| March | -3.6 °C | 13.2 °C | 23.37 mm |
| April | 0.9 °C | 17.5 °C | 48.01 mm |
| May | 7.3 °C | 22.9 °C | 74.68 mm |
| June | 13.1 °C | 29.6 °C | 61.98 mm |
| July | 16.1 °C | 32.7 °C | 83.82 mm |
| August | 14.9 °C | 31.4 °C | 67.82 mm |
| September | 9.3 °C | 27.3 °C | 30.48 mm |
| October | 1.7 °C | 19.7 °C | 33.53 mm |
| November | -4.3 °C | 12.2 °C | 12.7 mm |
| December | -8.9 °C | 6.6 °C | 9.4 mm |
| Annual | 2.5 °C | 18.9 °C | 468.39 mm |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 5b : -26.1°C to -23.3°C |
| Plant Hardiness Zone - 2012 | Zone 5b : -26.1°C to -23.3°C |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | BSk - Cold Semi-Arid Climate |