Ricardo, Texas has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 62.4 °F (low) to 83.3 °F (high). Annual precipitation averages 26.6 Inches. Ricardo is located in USDA Plant Hardiness Zone 9b.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 46.1 °F | 68.0 °F | 1.21 in. |
| February | 50.3 °F | 72.3 °F | 1.42 in. |
| March | 56.5 °F | 77.4 °F | 1.77 in. |
| April | 62.6 °F | 83.7 °F | 1.5 in. |
| May | 70.0 °F | 88.8 °F | 2.66 in. |
| June | 74.4 °F | 93.5 °F | 3.6 in. |
| July | 75.3 °F | 95.2 °F | 2.57 in. |
| August | 75.3 °F | 96.4 °F | 2.29 in. |
| September | 72.0 °F | 91.6 °F | 4.37 in. |
| October | 63.7 °F | 86.0 °F | 2.39 in. |
| November | 54.7 °F | 76.7 °F | 1.18 in. |
| December | 48.1 °F | 69.9 °F | 1.65 in. |
| Annual | 62.4 °F | 83.3 °F | 26.61 in. |
| Average First Frost Date | Frost Rare |
| Average Last Frost Date | |
| Average Days With Frost | Frost Rare |
| Plant Hardiness Zone | Zone 9b : 25°F to 20°F |
| Plant Hardiness Zone - 2012 | Zone 9b : 25°F to 20°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |