Richards, Texas has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 14.3 °C (low) to 26.3 °C (high). Annual precipitation averages 1211.1 Millimeters. Richards 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. 21 - Nov. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 4.5 °C | 16.4 °C | 100.08 mm |
| February | 6.6 °C | 18.6 °C | 80.77 mm |
| March | 10.1 °C | 22.2 °C | 90.93 mm |
| April | 13.8 °C | 26 °C | 90.17 mm |
| May | 18.5 °C | 29.8 °C | 129.54 mm |
| June | 21.9 °C | 33.1 °C | 106.43 mm |
| July | 23.1 °C | 34.7 °C | 73.66 mm |
| August | 22.9 °C | 35.4 °C | 92.96 mm |
| September | 20.1 °C | 32.4 °C | 99.31 mm |
| October | 14.6 °C | 27.8 °C | 122.17 mm |
| November | 9.3 °C | 21.8 °C | 115.06 mm |
| December | 5.6 °C | 17.3 °C | 109.98 mm |
| Annual | 14.3 °C | 26.3 °C | 1211.06 mm |
| Average First Frost Date | Nov. 21 - Nov. 30 |
| 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 |