Pinehurst, Idaho has a Humid Continental Climate - Dry Cool Summer climate (Köppen classification: Dsb). Average annual temperatures range from 35.9 °F (low) to 58.2 °F (high). Annual precipitation averages 26.7 Inches. Pinehurst is located in USDA Plant Hardiness Zone 6b. 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 | 24.0 °F | 35.5 °F | 3.51 in. |
| February | 24.3 °F | 39.8 °F | 2.66 in. |
| March | 28.4 °F | 47.9 °F | 2.77 in. |
| April | 33.5 °F | 57.5 °F | 2.21 in. |
| May | 40.7 °F | 67.5 °F | 2.47 in. |
| June | 46.7 °F | 73.6 °F | 2.6 in. |
| July | 51.0 °F | 83.7 °F | 0.61 in. |
| August | 50.2 °F | 83.9 °F | 0.72 in. |
| September | 43.3 °F | 73.5 °F | 1.17 in. |
| October | 35.1 °F | 57.6 °F | 1.95 in. |
| November | 29.4 °F | 42.8 °F | 3.12 in. |
| December | 24.0 °F | 34.8 °F | 2.87 in. |
| Annual | 35.9 °F | 58.2 °F | 26.66 in. |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | 125-150 Days |
| Plant Hardiness Zone | Zone 6b : -5°F to 0°F |
| Plant Hardiness Zone - 2012 | Zone 6b : -5°F to 0°F |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Dsb - Humid Continental Climate - Dry Cool Summer |