Hot Sulphur Springs, Colorado has a Subarctic With Cool Summers And Year Around Rainfall climate (Köppen classification: Dfc). Average annual temperatures range from 22.4 °F (low) to 54.5 °F (high). Annual precipitation averages 13.4 Inches. Hot Sulphur Springs is located in USDA Plant Hardiness Zone 4a. The growing season typically runs from the last frost around Jun. 1 - Jun. 10 through the first frost around Aug. 21 - Aug. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 0.5 °F | 28.3 °F | 0.88 in. |
| February | 4.4 °F | 32.8 °F | 0.84 in. |
| March | 14.7 °F | 43.4 °F | 0.87 in. |
| April | 23.0 °F | 52.7 °F | 1.19 in. |
| May | 30.5 °F | 63.0 °F | 1.52 in. |
| June | 37.1 °F | 73.9 °F | 1.16 in. |
| July | 43.1 °F | 80.5 °F | 1.26 in. |
| August | 41.2 °F | 78.2 °F | 1.35 in. |
| September | 33.8 °F | 71.1 °F | 1.4 in. |
| October | 24.0 °F | 57.6 °F | 1.2 in. |
| November | 13.7 °F | 42.8 °F | 0.88 in. |
| December | 2.6 °F | 29.6 °F | 0.88 in. |
| Annual | 22.4 °F | 54.5 °F | 13.43 in. |
| Average First Frost Date | Aug. 21 - Aug. 31 |
| Average Last Frost Date | Jun. 1 - Jun. 10 |
| Average Days With Frost | Over 180 Days |
| Plant Hardiness Zone | Zone 4a : -30°F to -25°F |
| Plant Hardiness Zone - 2012 | Zone 4a : -30°F to -25°F |
| Current Drought Conditions | Exceptional Drought |
| Köppen Climate Classification | Dfc - Subarctic With Cool Summers And Year Around Rainfall |