Ophir, Utah has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 2.2 °C (low) to 13.8 °C (high). Annual precipitation averages 801.1 Millimeters. Ophir is located in USDA Plant Hardiness Zone 7a. The growing season typically runs from the last frost around Jun. 21 - Jun. 30 through the first frost around Sep.11 - Sep. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -6.8 °C | 1.9 °C | 71.63 mm |
| February | -5.6 °C | 4.1 °C | 82.8 mm |
| March | -2.8 °C | 8.1 °C | 97.03 mm |
| April | -0.2 °C | 11.6 °C | 105.92 mm |
| May | 4 °C | 16.7 °C | 82.3 mm |
| June | 8.5 °C | 23.1 °C | 36.58 mm |
| July | 13.4 °C | 28.4 °C | 25.4 mm |
| August | 13.1 °C | 27.5 °C | 28.19 mm |
| September | 8.6 °C | 21.9 °C | 48.77 mm |
| October | 2.7 °C | 14.3 °C | 61.98 mm |
| November | -2.6 °C | 6.3 °C | 73.15 mm |
| December | -6.5 °C | 1.6 °C | 87.38 mm |
| Annual | 2.2 °C | 13.8 °C | 801.13 mm |
| Average First Frost Date | Sep.11 - Sep. 20 |
| Average Last Frost Date | Jun. 21 - Jun. 30 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 7a : -17.8°C to -15°C |
| Plant Hardiness Zone - 2012 | Zone 6b : -20.6°C to -17.8°C |
| Current Drought Conditions | Extreme Drought |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |