Saguache, Colorado has a Cold Semi-Arid Climate climate (Köppen classification: BSk). Average annual temperatures range from -2.3 °C (low) to 15 °C (high). Annual precipitation averages 195.1 Millimeters. Saguache is located in USDA Plant Hardiness Zone 5b. 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 | -14.4 °C | 1.4 °C | 6.6 mm |
| February | -11.4 °C | 4.4 °C | 5.08 mm |
| March | -6.3 °C | 10.3 °C | 11.68 mm |
| April | -2.8 °C | 14.7 °C | 16 mm |
| May | 1.8 °C | 19.7 °C | 17.78 mm |
| June | 6.1 °C | 25.4 °C | 11.94 mm |
| July | 9.3 °C | 27.1 °C | 30.23 mm |
| August | 8.6 °C | 26.1 °C | 40.64 mm |
| September | 4.3 °C | 22.9 °C | 24.64 mm |
| October | -1.6 °C | 16.8 °C | 16 mm |
| November | -7.8 °C | 9.1 °C | 8.13 mm |
| December | -13.7 °C | 2 °C | 6.35 mm |
| Annual | -2.3 °C | 15 °C | 195.07 mm |
| Average First Frost Date | Sep.11 - Sep. 20 |
| Average Last Frost Date | May 11 - May 20 |
| 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 | Extreme Drought |
| Köppen Climate Classification | BSk - Cold Semi-Arid Climate |