Montrose, Arkansas has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 53.2 °F (low) to 74.7 °F (high). Annual precipitation averages 57.1 Inches. Montrose is located in USDA Plant Hardiness Zone 8b. The growing season typically runs from the last frost around Mar. 11 - Mar. 20 through the first frost around Nov. 11 - Nov. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 33.7 °F | 53.2 °F | 5.73 in. |
| February | 36.9 °F | 57.9 °F | 5.57 in. |
| March | 44.5 °F | 66.3 °F | 5.43 in. |
| April | 53.0 °F | 75.2 °F | 5.89 in. |
| May | 62.0 °F | 83.1 °F | 5.0 in. |
| June | 69.6 °F | 89.8 °F | 3.54 in. |
| July | 72.3 °F | 92.1 °F | 4.21 in. |
| August | 70.8 °F | 92.2 °F | 4.09 in. |
| September | 64.0 °F | 87.9 °F | 3.45 in. |
| October | 52.2 °F | 77.8 °F | 4.28 in. |
| November | 42.5 °F | 65.2 °F | 4.26 in. |
| December | 36.6 °F | 55.7 °F | 5.61 in. |
| Annual | 53.2 °F | 74.7 °F | 57.06 in. |
| Average First Frost Date | Nov. 11 - Nov. 20 |
| Average Last Frost Date | Mar. 11 - Mar. 20 |
| Average Days With Frost | 40-50 Days |
| Plant Hardiness Zone | Zone 8b : 15°F to 20°F |
| Plant Hardiness Zone - 2012 | Zone 8a : 10°F to 15°F |
| Current Drought Conditions | Extreme Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |