Saginaw, Texas has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 55.3 °F (low) to 77 °F (high). Annual precipitation averages 36.8 Inches. Saginaw is located in USDA Plant Hardiness Zone 8b. 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 | 35.0 °F | 57.1 °F | 2.25 in. |
| February | 38.4 °F | 60.6 °F | 2.55 in. |
| March | 46.4 °F | 68.7 °F | 3.34 in. |
| April | 53.9 °F | 76.4 °F | 3.12 in. |
| May | 63.5 °F | 83.6 °F | 4.31 in. |
| June | 71.3 °F | 91.6 °F | 3.97 in. |
| July | 74.8 °F | 95.9 °F | 2.2 in. |
| August | 74.6 °F | 96.5 °F | 2.42 in. |
| September | 67.2 °F | 89.2 °F | 3.08 in. |
| October | 56.1 °F | 78.9 °F | 4.14 in. |
| November | 45.7 °F | 67.2 °F | 2.8 in. |
| December | 37.1 °F | 58.5 °F | 2.66 in. |
| Annual | 55.3 °F | 77 °F | 36.84 in. |
| Average First Frost Date | Nov. 11 - Nov. 20 |
| Average Last Frost Date | Feb. 21 - Feb. 29 |
| Average Days With Frost | 20-30 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 |