Worland, Wyoming has a Cold Desert Climate climate (Köppen classification: BWk). Average annual temperatures range from -0.6 °C (low) to 15.8 °C (high). Annual precipitation averages 207 Millimeters. Worland is located in USDA Plant Hardiness Zone 4b. 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 | -15.1 °C | -0.7 °C | 7.37 mm |
| February | -12.1 °C | 2.8 °C | 7.37 mm |
| March | -5.3 °C | 10.5 °C | 11.68 mm |
| April | -0.3 °C | 15.5 °C | 24.13 mm |
| May | 5.7 °C | 20.9 °C | 44.96 mm |
| June | 10.3 °C | 27.6 °C | 25.91 mm |
| July | 13.6 °C | 32.7 °C | 12.19 mm |
| August | 11.8 °C | 31.6 °C | 10.67 mm |
| September | 6.2 °C | 25.1 °C | 23.11 mm |
| October | -0.3 °C | 16.3 °C | 21.84 mm |
| November | -7.6 °C | 7.2 °C | 11.94 mm |
| December | -13.6 °C | 0.3 °C | 5.84 mm |
| Annual | -0.6 °C | 15.8 °C | 207.01 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 4b : -31.7°C to -28.9°C |
| Plant Hardiness Zone - 2012 | Zone 4b : -31.7°C to -28.9°C |
| Current Drought Conditions | Extreme Drought |
| Köppen Climate Classification | BWk - Cold Desert Climate |