Blende, Colorado has a Cold Semi-Arid Climate climate (Köppen classification: BSk). Average annual temperatures range from 2.4 °C (low) to 20.2 °C (high). Annual precipitation averages 302 Millimeters. Blende is located in USDA Plant Hardiness Zone 6a. 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 | -9.2 °C | 8.8 °C | 7.87 mm |
| February | -7.6 °C | 9.9 °C | 8.38 mm |
| March | -3.2 °C | 15.2 °C | 16 mm |
| April | 1.3 °C | 19.1 °C | 42.67 mm |
| May | 7.1 °C | 24.2 °C | 37.34 mm |
| June | 12.3 °C | 30.4 °C | 30.73 mm |
| July | 15.3 °C | 33 °C | 43.69 mm |
| August | 14.2 °C | 31.5 °C | 59.44 mm |
| September | 9.3 °C | 27.7 °C | 17.53 mm |
| October | 1.9 °C | 20.9 °C | 20.83 mm |
| November | -4.4 °C | 13.7 °C | 10.41 mm |
| December | -8.7 °C | 8.4 °C | 7.11 mm |
| Annual | 2.4 °C | 20.2 °C | 302 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 6a : -23.3°C to -20.6°C |
| Plant Hardiness Zone - 2012 | Zone 5b : -26.1°C to -23.3°C |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | BSk - Cold Semi-Arid Climate |