Veteran, Wyoming has a Cold Semi-Arid Climate climate (Köppen classification: BSk). Average annual temperatures range from 0.8 °C (low) to 17.7 °C (high). Annual precipitation averages 397 Millimeters. Veteran is located in USDA Plant Hardiness Zone 5a. The growing season typically runs from the last frost around May 11 - May 20 through the first frost around Sep.11 - Sep. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -9.6 °C | 5.2 °C | 7.87 mm |
| February | -8.8 °C | 6.4 °C | 13.46 mm |
| March | -4.4 °C | 11.8 °C | 26.92 mm |
| April | -0.6 °C | 16.1 °C | 50.04 mm |
| May | 5.1 °C | 21.1 °C | 75.95 mm |
| June | 10.3 °C | 27.9 °C | 55.63 mm |
| July | 13.8 °C | 32.1 °C | 45.72 mm |
| August | 12.3 °C | 31.1 °C | 30.23 mm |
| September | 7.1 °C | 26.3 °C | 31.5 mm |
| October | -0.1 °C | 18.2 °C | 34.8 mm |
| November | -5.7 °C | 10.7 °C | 13.46 mm |
| December | -9.7 °C | 5.3 °C | 11.43 mm |
| Annual | 0.8 °C | 17.7 °C | 397.01 mm |
| Average First Frost Date | Sep.11 - Sep. 20 |
| Average Last Frost Date | May 11 - May 20 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 5a : -28.9°C to -26.1°C |
| Plant Hardiness Zone - 2012 | Zone 5a : -28.9°C to -26.1°C |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | BSk - Cold Semi-Arid Climate |