Sunshine, Colorado has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 1.5 °C (low) to 14.7 °C (high). Annual precipitation averages 558 Millimeters. Sunshine is located in USDA Plant Hardiness Zone 5b. The growing season typically runs from the last frost around May 21 - May 31 through the first frost around Sep.1 - Sep. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -6.3 °C | 4.9 °C | 18.54 mm |
| February | -6.8 °C | 5.3 °C | 29.46 mm |
| March | -3.7 °C | 9.3 °C | 48.26 mm |
| April | -1.2 °C | 12.2 °C | 81.79 mm |
| May | 3.6 °C | 17 °C | 80.77 mm |
| June | 8.8 °C | 23.7 °C | 49.28 mm |
| July | 12.4 °C | 27.1 °C | 58.93 mm |
| August | 11.5 °C | 26 °C | 51.56 mm |
| September | 7.3 °C | 21.9 °C | 56.13 mm |
| October | 1.6 °C | 14.9 °C | 37.85 mm |
| November | -3 °C | 9.1 °C | 24.13 mm |
| December | -6.7 °C | 4.8 °C | 21.34 mm |
| Annual | 1.5 °C | 14.7 °C | 558.04 mm |
| Average First Frost Date | Sep.1 - Sep. 10 |
| Average Last Frost Date | May 21 - May 31 |
| 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 | Severe Drought |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |