Ames, Texas has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 15.1 °C (low) to 26 °C (high). Annual precipitation averages 1602 Millimeters. Ames is located in USDA Plant Hardiness Zone 9b. The growing season typically runs from the last frost around Feb. 1 - Feb. 10 through the first frost around Dec. 1 - Dec. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 5.7 °C | 16.8 °C | 126.49 mm |
| February | 7.7 °C | 19 °C | 99.82 mm |
| March | 11.3 °C | 22.4 °C | 103.89 mm |
| April | 14.9 °C | 25.7 °C | 116.59 mm |
| May | 19.2 °C | 29.3 °C | 146.81 mm |
| June | 22.6 °C | 32.5 °C | 141.22 mm |
| July | 23.7 °C | 33.7 °C | 124.21 mm |
| August | 23.4 °C | 34.1 °C | 157.73 mm |
| September | 20.8 °C | 31.8 °C | 157.23 mm |
| October | 15.6 °C | 27.6 °C | 171.2 mm |
| November | 10.1 °C | 21.9 °C | 121.16 mm |
| December | 6.7 °C | 17.7 °C | 135.64 mm |
| Annual | 15.1 °C | 26 °C | 1601.99 mm |
| Average First Frost Date | Dec. 1 - Dec. 10 |
| Average Last Frost Date | Feb. 1 - Feb. 10 |
| Average Days With Frost | 10-20 Days |
| Plant Hardiness Zone | Zone 9b : -3.9°C to -1.1°C |
| Plant Hardiness Zone - 2012 | Zone 9a : -6.7°C to -3.9°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |