Sangrey, Montana has a Cold Semi-Arid Climate climate (Köppen classification: BSk). Average annual temperatures range from 29.9 °F (low) to 55.7 °F (high). Annual precipitation averages 14.9 Inches. Sangrey is located in USDA Plant Hardiness Zone 4a. The growing season typically runs from the last frost around May 21 - May 31 through the first frost around Sep.11 - Sep. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 10.3 °F | 32.1 °F | 0.56 in. |
| February | 11.9 °F | 34.7 °F | 0.44 in. |
| March | 19.7 °F | 43.6 °F | 0.51 in. |
| April | 28.8 °F | 54.2 °F | 1.22 in. |
| May | 37.5 °F | 64.1 °F | 2.36 in. |
| June | 45.2 °F | 72.2 °F | 3.5 in. |
| July | 50.9 °F | 83.1 °F | 1.49 in. |
| August | 48.8 °F | 81.7 °F | 1.18 in. |
| September | 40.9 °F | 70.5 °F | 1.44 in. |
| October | 30.4 °F | 56.2 °F | 1.0 in. |
| November | 21.1 °F | 42.7 °F | 0.77 in. |
| December | 13.1 °F | 33.6 °F | 0.44 in. |
| Annual | 29.9 °F | 55.7 °F | 14.91 in. |
| Average First Frost Date | Sep.11 - Sep. 20 |
| Average Last Frost Date | May 21 - May 31 |
| 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 | Moderate Drought |
| Köppen Climate Classification | BSk - Cold Semi-Arid Climate |