Broadview, Montana has a Cold Semi-Arid Climate climate (Köppen classification: BSk). Average annual temperatures range from 32.3 °F (low) to 59.5 °F (high). Annual precipitation averages 13.7 Inches. Broadview 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 | 14.7 °F | 37.3 °F | 0.34 in. |
| February | 15.7 °F | 40.0 °F | 0.36 in. |
| March | 22.7 °F | 48.9 °F | 0.69 in. |
| April | 30.3 °F | 57.1 °F | 1.35 in. |
| May | 39.2 °F | 66.3 °F | 2.72 in. |
| June | 47.3 °F | 75.3 °F | 2.39 in. |
| July | 53.4 °F | 85.7 °F | 1.81 in. |
| August | 51.4 °F | 85.2 °F | 0.91 in. |
| September | 42.7 °F | 74.3 °F | 1.22 in. |
| October | 32.4 °F | 60.1 °F | 1.19 in. |
| November | 22.4 °F | 46.5 °F | 0.41 in. |
| December | 15.4 °F | 37.4 °F | 0.33 in. |
| Annual | 32.3 °F | 59.5 °F | 13.72 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 4b : -25°F to -20°F |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | BSk - Cold Semi-Arid Climate |