Weimar, Texas has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 14.7 °C (low) to 26.3 °C (high). Annual precipitation averages 976.6 Millimeters. Weimar is located in USDA Plant Hardiness Zone 9a. The growing season typically runs from the last frost around Feb. 1 - Feb. 10 through the first frost around Dec. 21 - Dec. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 5.2 °C | 16.7 °C | 75.44 mm |
| February | 7.3 °C | 18.7 °C | 57.91 mm |
| March | 10.9 °C | 22.3 °C | 74.17 mm |
| April | 14.4 °C | 26.1 °C | 77.22 mm |
| May | 18.8 °C | 29.7 °C | 111.51 mm |
| June | 22.1 °C | 32.9 °C | 97.28 mm |
| July | 22.9 °C | 34.4 °C | 52.32 mm |
| August | 23.2 °C | 35.3 °C | 67.82 mm |
| September | 20.4 °C | 32.2 °C | 83.06 mm |
| October | 15.4 °C | 27.7 °C | 112.52 mm |
| November | 9.9 °C | 21.8 °C | 84.58 mm |
| December | 6.2 °C | 17.7 °C | 82.8 mm |
| Annual | 14.7 °C | 26.3 °C | 976.63 mm |
| Average First Frost Date | Dec. 21 - Dec. 31 |
| Average Last Frost Date | Feb. 1 - Feb. 10 |
| Average Days With Frost | 10-20 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 | Moderate Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |