Stanford, Montana has a Cold Semi-Arid Climate climate (Köppen classification: BSk). Average annual temperatures range from 31 °F (low) to 56.5 °F (high). Annual precipitation averages 16.6 Inches. Stanford is located in USDA Plant Hardiness Zone 4b. The growing season typically runs from the last frost around May 11 - May 20 through the first frost around Sep. 21 - Sep. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 14.3 °F | 36.4 °F | 0.51 in. |
| February | 15.2 °F | 37.4 °F | 0.49 in. |
| March | 21.4 °F | 45.2 °F | 0.66 in. |
| April | 28.6 °F | 53.6 °F | 1.73 in. |
| May | 36.8 °F | 62.5 °F | 2.72 in. |
| June | 44.8 °F | 70.8 °F | 3.07 in. |
| July | 50.3 °F | 81.5 °F | 1.73 in. |
| August | 49.1 °F | 81.3 °F | 1.56 in. |
| September | 41.6 °F | 71.0 °F | 1.59 in. |
| October | 31.7 °F | 57.0 °F | 1.18 in. |
| November | 21.9 °F | 44.4 °F | 0.7 in. |
| December | 15.7 °F | 36.6 °F | 0.64 in. |
| Annual | 31 °F | 56.5 °F | 16.58 in. |
| Average First Frost Date | Sep. 21 - Sep. 30 |
| Average Last Frost Date | May 11 - May 20 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 4b : -25°F to -20°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 |