Lucerne, Wyoming has a Cold Desert Climate climate (Köppen classification: BWk). Average annual temperatures range from -0.9 °C (low) to 16.3 °C (high). Annual precipitation averages 308.1 Millimeters. Lucerne 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 | -14.5 °C | 1.2 °C | 9.14 mm |
| February | -11.6 °C | 3.8 °C | 10.92 mm |
| March | -5.5 °C | 11.1 °C | 22.61 mm |
| April | -0.8 °C | 15.7 °C | 38.61 mm |
| May | 4.6 °C | 20.8 °C | 62.99 mm |
| June | 9.1 °C | 27.2 °C | 34.8 mm |
| July | 12.7 °C | 32.2 °C | 18.03 mm |
| August | 11.1 °C | 31.3 °C | 17.27 mm |
| September | 5.8 °C | 25.4 °C | 30.48 mm |
| October | -0.6 °C | 17 °C | 33.78 mm |
| November | -7.8 °C | 8.1 °C | 16.51 mm |
| December | -13.3 °C | 1.6 °C | 12.95 mm |
| Annual | -0.9 °C | 16.3 °C | 308.09 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 |