Pine Valley, Utah has a Cold Semi-Arid Climate climate (Köppen classification: BSk). Average annual temperatures range from 2.5 °C (low) to 16.4 °C (high). Annual precipitation averages 508.8 Millimeters. Pine Valley is located in USDA Plant Hardiness Zone 6b. The growing season typically runs from the last frost around Jun. 1 - Jun. 10 through the first frost around Oct. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -6.5 °C | 5.3 °C | 49.53 mm |
| February | -5.3 °C | 6.8 °C | 67.06 mm |
| March | -2.4 °C | 10.7 °C | 63.5 mm |
| April | 0.3 °C | 14.2 °C | 38.61 mm |
| May | 4.7 °C | 19.6 °C | 27.94 mm |
| June | 9.7 °C | 25.9 °C | 16 mm |
| July | 13.7 °C | 29.4 °C | 34.29 mm |
| August | 13.2 °C | 28.4 °C | 41.15 mm |
| September | 9.1 °C | 24.3 °C | 38.86 mm |
| October | 2.8 °C | 17.4 °C | 43.18 mm |
| November | -2.7 °C | 10.3 °C | 39.62 mm |
| December | -6.7 °C | 5 °C | 49.02 mm |
| Annual | 2.5 °C | 16.4 °C | 508.76 mm |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | Jun. 1 - Jun. 10 |
| Average Days With Frost | 100-125 Days |
| Plant Hardiness Zone | Zone 6b : -20.6°C to -17.8°C |
| Plant Hardiness Zone - 2012 | Zone 7a : -17.8°C to -15°C |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | BSk - Cold Semi-Arid Climate |