Corrigan, Texas has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 13 °C (low) to 25.9 °C (high). Annual precipitation averages 1451.9 Millimeters. Corrigan is located in USDA Plant Hardiness Zone 9a. The growing season typically runs from the last frost around Mar. 1 - Mar. 10 through the first frost around Nov. 11 - Nov. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 3.3 °C | 16.1 °C | 126.49 mm |
| February | 5.3 °C | 18.2 °C | 104.65 mm |
| March | 8.8 °C | 22.1 °C | 115.82 mm |
| April | 12.5 °C | 25.7 °C | 105.16 mm |
| May | 17.2 °C | 29.3 °C | 134.11 mm |
| June | 20.8 °C | 32.7 °C | 138.94 mm |
| July | 22 °C | 34.3 °C | 95.5 mm |
| August | 21.7 °C | 34.8 °C | 114.55 mm |
| September | 18.9 °C | 31.9 °C | 104.39 mm |
| October | 13.1 °C | 27.1 °C | 143.51 mm |
| November | 7.7 °C | 21.2 °C | 129.54 mm |
| December | 4.3 °C | 16.8 °C | 139.19 mm |
| Annual | 13 °C | 25.9 °C | 1451.85 mm |
| Average First Frost Date | Nov. 11 - Nov. 20 |
| Average Last Frost Date | Mar. 1 - Mar. 10 |
| Average Days With Frost | 20-30 Days |
| Plant Hardiness Zone | Zone 9a : -6.7°C to -3.9°C |
| Plant Hardiness Zone - 2012 | Zone 8b : -9.4°C to -6.7°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |