Silver Plume, Colorado has a Subarctic With Cool Summers And Year Around Rainfall climate (Köppen classification: Dfc). Average annual temperatures range from -3.9 °C (low) to 9.4 °C (high). Annual precipitation averages 568.4 Millimeters. Silver Plume is located in USDA Plant Hardiness Zone 5b. The growing season typically runs from the last frost around Jun. 21 - Jun. 30 through the first frost around Aug. 21 - Aug. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -12.6 °C | -1 °C | 32.26 mm |
| February | -12.2 °C | -0.4 °C | 35.05 mm |
| March | -9.2 °C | 3.7 °C | 53.34 mm |
| April | -6.3 °C | 7.1 °C | 75.18 mm |
| May | -1.4 °C | 12.2 °C | 61.21 mm |
| June | 3.3 °C | 18.7 °C | 37.85 mm |
| July | 6.7 °C | 21.8 °C | 66.55 mm |
| August | 5.8 °C | 20.6 °C | 58.67 mm |
| September | 2.6 °C | 17 °C | 43.43 mm |
| October | -3 °C | 10.3 °C | 38.35 mm |
| November | -8.3 °C | 3.5 °C | 34.29 mm |
| December | -12.4 °C | -1.1 °C | 32.26 mm |
| Annual | -3.9 °C | 9.4 °C | 568.44 mm |
| Average First Frost Date | Aug. 21 - Aug. 31 |
| Average Last Frost Date | Jun. 21 - Jun. 30 |
| Average Days With Frost | Over 180 Days |
| Plant Hardiness Zone | Zone 5b : -26.1°C to -23.3°C |
| Plant Hardiness Zone - 2012 | Zone 5b : -26.1°C to -23.3°C |
| Current Drought Conditions | Extreme Drought |
| Köppen Climate Classification | Dfc - Subarctic With Cool Summers And Year Around Rainfall |