Craig, Montana has a Cold Semi-Arid Climate climate (Köppen classification: BSk). Average annual temperatures range from 34.5 °F (low) to 59.4 °F (high). Annual precipitation averages 14.5 Inches. Craig 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 | 18.3 °F | 37.7 °F | 0.41 in. |
| February | 19.3 °F | 40.1 °F | 0.45 in. |
| March | 25.1 °F | 48.2 °F | 0.64 in. |
| April | 32.4 °F | 57.1 °F | 1.65 in. |
| May | 40.0 °F | 66.3 °F | 2.5 in. |
| June | 47.6 °F | 74.5 °F | 2.83 in. |
| July | 52.9 °F | 86.0 °F | 1.12 in. |
| August | 51.2 °F | 85.3 °F | 1.26 in. |
| September | 44.2 °F | 74.2 °F | 1.44 in. |
| October | 35.9 °F | 59.8 °F | 1.12 in. |
| November | 27.6 °F | 45.9 °F | 0.61 in. |
| December | 20.0 °F | 37.6 °F | 0.49 in. |
| Annual | 34.5 °F | 59.4 °F | 14.52 in. |
| Average First Frost Date | Sep. 21 - Sep. 30 |
| Average Last Frost Date | May 11 - May 20 |
| Average Days With Frost | 125-150 Days |
| Plant Hardiness Zone | Zone 4b : -25°F to -20°F |
| Plant Hardiness Zone - 2012 | Zone 4b : -25°F to -20°F |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | BSk - Cold Semi-Arid Climate |