Morning Glory, Texas has a Cold Desert Climate climate (Köppen classification: BWk). Average annual temperatures range from 49.4 °F (low) to 79.8 °F (high). Annual precipitation averages 7.8 Inches. Morning Glory is located in USDA Plant Hardiness Zone 8a. The growing season typically runs from the last frost around Feb. 21 - Feb. 29 through the first frost around Nov. 11 - Nov. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 29.8 °F | 60.1 °F | 0.4 in. |
| February | 34.1 °F | 65.6 °F | 0.36 in. |
| March | 41.0 °F | 73.4 °F | 0.23 in. |
| April | 48.1 °F | 81.2 °F | 0.16 in. |
| May | 56.8 °F | 89.4 °F | 0.4 in. |
| June | 66.3 °F | 97.4 °F | 0.69 in. |
| July | 69.6 °F | 96.6 °F | 1.32 in. |
| August | 68.2 °F | 94.8 °F | 1.37 in. |
| September | 62.1 °F | 89.5 °F | 1.07 in. |
| October | 49.7 °F | 81.2 °F | 0.75 in. |
| November | 37.5 °F | 69.2 °F | 0.39 in. |
| December | 29.9 °F | 59.5 °F | 0.62 in. |
| Annual | 49.4 °F | 79.8 °F | 7.76 in. |
| Average First Frost Date | Nov. 11 - Nov. 20 |
| Average Last Frost Date | Feb. 21 - Feb. 29 |
| Average Days With Frost | 30-40 Days |
| Plant Hardiness Zone | Zone 8a : 10°F to 15°F |
| Plant Hardiness Zone - 2012 | Zone 8a : 10°F to 15°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | BWk - Cold Desert Climate |