Ophir, Colorado has a Subarctic With Cool Summers And Year Around Rainfall climate (Köppen classification: Dfc). Average annual temperatures range from -5.3 °C (low) to 10.6 °C (high). Annual precipitation averages 906.3 Millimeters. Ophir is located in USDA Plant Hardiness Zone 5a. The growing season typically runs from the last frost around Jul. 1 - Jul. 10 through the first frost around Aug. 1 - Aug. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -14.2 °C | 1.1 °C | 85.6 mm |
| February | -13.7 °C | 1.9 °C | 90.17 mm |
| March | -10.7 °C | 5.7 °C | 83.06 mm |
| April | -6.9 °C | 8.4 °C | 82.3 mm |
| May | -2.5 °C | 13.3 °C | 63.5 mm |
| June | 1.6 °C | 19.6 °C | 32.26 mm |
| July | 5 °C | 22.1 °C | 75.18 mm |
| August | 4.5 °C | 20.6 °C | 89.41 mm |
| September | 1.2 °C | 17.2 °C | 81.53 mm |
| October | -3.9 °C | 11.6 °C | 64.52 mm |
| November | -9.7 °C | 5.4 °C | 75.69 mm |
| December | -14.1 °C | 0.7 °C | 83.06 mm |
| Annual | -5.3 °C | 10.6 °C | 906.28 mm |
| Average First Frost Date | Aug. 1 - Aug. 10 |
| Average Last Frost Date | Jul. 1 - Jul. 10 |
| Average Days With Frost | Over 180 Days |
| Plant Hardiness Zone | Zone 5a : -28.9°C to -26.1°C |
| Plant Hardiness Zone - 2012 | Zone 5a : -28.9°C to -26.1°C |
| Current Drought Conditions | Extreme Drought |
| Köppen Climate Classification | Dfc - Subarctic With Cool Summers And Year Around Rainfall |