Wisdom, Montana has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 21.5 °F (low) to 51.8 °F (high). Annual precipitation averages 12.3 Inches. Wisdom is located in USDA Plant Hardiness Zone 3a. The growing season typically runs from the last frost around Jun. 11 - Jun. 20 through the first frost around July 11 - July 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 5.1 °F | 28.6 °F | 0.69 in. |
| February | 5.3 °F | 31.4 °F | 0.65 in. |
| March | 14.5 °F | 40.4 °F | 0.69 in. |
| April | 22.0 °F | 49.4 °F | 1.08 in. |
| May | 29.4 °F | 59.4 °F | 1.59 in. |
| June | 36.1 °F | 68.1 °F | 2.0 in. |
| July | 39.3 °F | 78.5 °F | 1.06 in. |
| August | 36.2 °F | 78.2 °F | 0.89 in. |
| September | 29.9 °F | 68.3 °F | 1.1 in. |
| October | 22.6 °F | 53.6 °F | 0.97 in. |
| November | 13.4 °F | 37.8 °F | 0.79 in. |
| December | 4.2 °F | 27.4 °F | 0.77 in. |
| Annual | 21.5 °F | 51.8 °F | 12.28 in. |
| Average First Frost Date | July 11 - July 20 |
| Average Last Frost Date | Jun. 11 - Jun. 20 |
| Average Days With Frost | Over 180 Days |
| Plant Hardiness Zone | Zone 3a : -40°F to -35°F |
| Plant Hardiness Zone - 2012 | Zone 3a : -40°F to -35°F |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |