Celeste, Texas has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 53 °F (low) to 74.9 °F (high). Annual precipitation averages 43.8 Inches. Celeste 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 | 33.0 °F | 54.4 °F | 2.81 in. |
| February | 36.5 °F | 58.6 °F | 3.19 in. |
| March | 43.8 °F | 66.2 °F | 3.98 in. |
| April | 51.4 °F | 73.7 °F | 3.86 in. |
| May | 61.1 °F | 81.2 °F | 5.15 in. |
| June | 69.2 °F | 89.2 °F | 3.91 in. |
| July | 72.7 °F | 94.0 °F | 2.49 in. |
| August | 71.8 °F | 94.4 °F | 2.73 in. |
| September | 64.8 °F | 87.7 °F | 3.31 in. |
| October | 53.5 °F | 77.3 °F | 4.88 in. |
| November | 43.1 °F | 65.5 °F | 3.61 in. |
| December | 35.1 °F | 56.4 °F | 3.85 in. |
| Annual | 53 °F | 74.9 °F | 43.77 in. |
| Average First Frost Date | Nov. 11 - Nov. 20 |
| Average Last Frost Date | Mar. 11 - Mar. 20 |
| Average Days With Frost | 50-75 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 | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |