Montague, Texas has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 51.7 °F (low) to 74.8 °F (high). Annual precipitation averages 36.5 Inches. Montague is located in USDA Plant Hardiness Zone 8a. The growing season typically runs from the last frost around Mar. 21 - Mar. 31 through the first frost around Nov. 1 - Nov. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 31.2 °F | 54.3 °F | 1.61 in. |
| February | 34.5 °F | 58.4 °F | 2.26 in. |
| March | 42.4 °F | 66.7 °F | 3.14 in. |
| April | 50.0 °F | 74.6 °F | 2.78 in. |
| May | 60.2 °F | 81.2 °F | 4.84 in. |
| June | 68.5 °F | 89.2 °F | 4.1 in. |
| July | 71.9 °F | 94.0 °F | 2.56 in. |
| August | 71.3 °F | 94.6 °F | 2.49 in. |
| September | 63.8 °F | 87.1 °F | 3.7 in. |
| October | 52.2 °F | 76.4 °F | 4.16 in. |
| November | 41.8 °F | 64.9 °F | 2.43 in. |
| December | 32.8 °F | 55.6 °F | 2.42 in. |
| Annual | 51.7 °F | 74.8 °F | 36.49 in. |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| Average Last Frost Date | Mar. 21 - Mar. 31 |
| Average Days With Frost | 50-75 Days |
| Plant Hardiness Zone | Zone 8a : 10°F to 15°F |
| Plant Hardiness Zone - 2012 | Zone 7b : 5°F to 10°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |