Stanford, Montana has a Cold Semi-Arid Climate climate (Köppen classification: BSk). Average annual temperatures range from -0.6 °C (low) to 13.6 °C (high). Annual precipitation averages 421.1 Millimeters. 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 | -9.8 °C | 2.4 °C | 12.95 mm |
| February | -9.3 °C | 3 °C | 12.45 mm |
| March | -5.9 °C | 7.3 °C | 16.76 mm |
| April | -1.9 °C | 12 °C | 43.94 mm |
| May | 2.7 °C | 16.9 °C | 69.09 mm |
| June | 7.1 °C | 21.6 °C | 77.98 mm |
| July | 10.2 °C | 27.5 °C | 43.94 mm |
| August | 9.5 °C | 27.4 °C | 39.62 mm |
| September | 5.3 °C | 21.7 °C | 40.39 mm |
| October | -0.2 °C | 13.9 °C | 29.97 mm |
| November | -5.6 °C | 6.9 °C | 17.78 mm |
| December | -9.1 °C | 2.6 °C | 16.26 mm |
| Annual | -0.6 °C | 13.6 °C | 421.13 mm |
| 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 : -31.7°C to -28.9°C |
| Plant Hardiness Zone - 2012 | Zone 4a : -34.4°C to -31.7°C |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | BSk - Cold Semi-Arid Climate |