Wiggins, Colorado has a Cold Semi-Arid Climate climate (Köppen classification: BSk). Average annual temperatures range from 33.2 °F (low) to 64.7 °F (high). Annual precipitation averages 15.6 Inches. Wiggins is located in USDA Plant Hardiness Zone 5a. 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 | 11.8 °F | 41.2 °F | 0.4 in. |
| February | 14.6 °F | 44.7 °F | 0.39 in. |
| March | 23.7 °F | 55.7 °F | 0.78 in. |
| April | 31.3 °F | 62.5 °F | 1.65 in. |
| May | 42.2 °F | 71.7 °F | 2.42 in. |
| June | 51.9 °F | 83.6 °F | 2.4 in. |
| July | 57.4 °F | 89.6 °F | 2.23 in. |
| August | 55.0 °F | 87.4 °F | 1.92 in. |
| September | 45.8 °F | 80.1 °F | 1.24 in. |
| October | 32.1 °F | 66.5 °F | 1.13 in. |
| November | 20.8 °F | 51.9 °F | 0.6 in. |
| December | 12.0 °F | 41.3 °F | 0.46 in. |
| Annual | 33.2 °F | 64.7 °F | 15.62 in. |
| 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 5a : -20°F to -15°F |
| Plant Hardiness Zone - 2012 | Zone 5a : -20°F to -15°F |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | BSk - Cold Semi-Arid Climate |