Fluvanna, Texas has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 9.8 °C (low) to 24.2 °C (high). Annual precipitation averages 530.4 Millimeters. Fluvanna is located in USDA Plant Hardiness Zone 8a. The growing season typically runs from the last frost around Mar. 21 - Mar. 31 through the first frost around Nov. 1 - Nov. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -1.3 °C | 13.4 °C | 18.54 mm |
| February | 0.3 °C | 15.7 °C | 23.37 mm |
| March | 4.5 °C | 20.1 °C | 33.27 mm |
| April | 8.8 °C | 24.8 °C | 39.88 mm |
| May | 14.3 °C | 29 °C | 72.9 mm |
| June | 19 °C | 32.7 °C | 71.12 mm |
| July | 20.8 °C | 34.1 °C | 48.77 mm |
| August | 20.4 °C | 33.9 °C | 58.17 mm |
| September | 16.5 °C | 29.6 °C | 66.8 mm |
| October | 10.5 °C | 24.6 °C | 45.21 mm |
| November | 3.9 °C | 18.3 °C | 29.46 mm |
| December | -0.6 °C | 13.7 °C | 22.86 mm |
| Annual | 9.8 °C | 24.2 °C | 530.35 mm |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| Average Last Frost Date | Mar. 21 - Mar. 31 |
| Average Days With Frost | 50-75 Days |
| Plant Hardiness Zone | Zone 8a : -12.2°C to -9.4°C |
| Plant Hardiness Zone - 2012 | Zone 7b : -15°C to -12.2°C |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |