Turah, Montana has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 32.3 °F (low) to 57.7 °F (high). Annual precipitation averages 19.6 Inches. Turah is located in USDA Plant Hardiness Zone 5b. 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 | 17.5 °F | 33.8 °F | 1.2 in. |
| February | 19.3 °F | 38.4 °F | 1.36 in. |
| March | 25.2 °F | 48.5 °F | 1.24 in. |
| April | 31.2 °F | 56.7 °F | 2.11 in. |
| May | 38.1 °F | 66.2 °F | 2.42 in. |
| June | 44.8 °F | 73.2 °F | 2.64 in. |
| July | 49.4 °F | 85.3 °F | 0.8 in. |
| August | 48.0 °F | 84.8 °F | 1.19 in. |
| September | 40.7 °F | 73.6 °F | 1.43 in. |
| October | 32.0 °F | 57.5 °F | 1.88 in. |
| November | 24.0 °F | 41.6 °F | 1.93 in. |
| December | 17.5 °F | 32.8 °F | 1.37 in. |
| Annual | 32.3 °F | 57.7 °F | 19.57 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 5b : -15°F to -10°F |
| Plant Hardiness Zone - 2012 | Zone 5a : -20°F to -15°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |