Montrose, Georgia has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 53 °F (low) to 76.3 °F (high). Annual precipitation averages 48 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 | 35.3 °F | 58.3 °F | 4.48 in. |
| February | 38.0 °F | 62.1 °F | 4.47 in. |
| March | 44.0 °F | 69.3 °F | 4.5 in. |
| April | 51.2 °F | 76.6 °F | 3.62 in. |
| May | 60.1 °F | 84.1 °F | 2.84 in. |
| June | 67.7 °F | 89.3 °F | 4.57 in. |
| July | 71.0 °F | 92.2 °F | 4.69 in. |
| August | 70.2 °F | 90.7 °F | 4.62 in. |
| September | 64.7 °F | 86.2 °F | 3.89 in. |
| October | 53.4 °F | 77.6 °F | 2.75 in. |
| November | 42.6 °F | 68.2 °F | 3.03 in. |
| December | 37.6 °F | 60.7 °F | 4.58 in. |
| Annual | 53 °F | 76.3 °F | 48.04 in. |
| Average First Frost Date | Nov. 11 - Nov. 20 |
| Average Last Frost Date | Mar. 11 - Mar. 20 |
| Average Days With Frost | 30-40 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 | Abnormally Dry |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |