Goldfield, Colorado has a Cold Semi-Arid Climate climate (Köppen classification: BSk). Average annual temperatures range from -2.4 °C (low) to 10.2 °C (high). Annual precipitation averages 502.2 Millimeters. Goldfield is located in USDA Plant Hardiness Zone 5b. The growing season typically runs from the last frost around Jul. 1 - Jul. 10 through the first frost around Aug. 11 - Aug. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -10.9 °C | 0.7 °C | 12.45 mm |
| February | -10.3 °C | 1.1 °C | 14.48 mm |
| March | -7.7 °C | 4.8 °C | 26.67 mm |
| April | -5.2 °C | 7.6 °C | 49.02 mm |
| May | -0.2 °C | 12.7 °C | 45.97 mm |
| June | 4.9 °C | 19.1 °C | 36.07 mm |
| July | 7.8 °C | 21.7 °C | 129.29 mm |
| August | 7.2 °C | 20.2 °C | 99.82 mm |
| September | 3.7 °C | 17.1 °C | 42.16 mm |
| October | -1.4 °C | 11.2 °C | 21.34 mm |
| November | -6.3 °C | 5.3 °C | 13.46 mm |
| December | -10.5 °C | 0.9 °C | 11.43 mm |
| Annual | -2.4 °C | 10.2 °C | 502.16 mm |
| Average First Frost Date | Aug. 11 - Aug. 20 |
| Average Last Frost Date | Jul. 1 - Jul. 10 |
| Average Days With Frost | Over 180 Days |
| Plant Hardiness Zone | Zone 5b : -26.1°C to -23.3°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 |