Twin Lakes, Colorado has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 37.2 °F (low) to 65.8 °F (high). Annual precipitation averages 15.7 Inches. Twin Lakes 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 | 19.0 °F | 46.2 °F | 0.47 in. |
| February | 20.4 °F | 47.2 °F | 0.58 in. |
| March | 28.2 °F | 56.2 °F | 1.25 in. |
| April | 34.7 °F | 62.4 °F | 2.14 in. |
| May | 43.8 °F | 71.2 °F | 2.61 in. |
| June | 53.1 °F | 83.4 °F | 1.64 in. |
| July | 59.3 °F | 89.6 °F | 1.78 in. |
| August | 57.3 °F | 87.3 °F | 1.64 in. |
| September | 48.6 °F | 79.6 °F | 1.21 in. |
| October | 36.5 °F | 66.4 °F | 1.14 in. |
| November | 26.5 °F | 54.3 °F | 0.8 in. |
| December | 18.8 °F | 45.4 °F | 0.46 in. |
| Annual | 37.2 °F | 65.8 °F | 15.72 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 6a : -10°F to -5°F |
| Plant Hardiness Zone - 2012 | Zone 5b : -15°F to -10°F |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |