Westpoint, Tennessee has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 9.2 °C (low) to 21.8 °C (high). Annual precipitation averages 1535.9 Millimeters. Westpoint is located in USDA Plant Hardiness Zone 7b. The growing season typically runs from the last frost around Apr. 1 - Apr. 10 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -1.5 °C | 9.9 °C | 132.84 mm |
| February | 0.2 °C | 12.4 °C | 140.72 mm |
| March | 3.9 °C | 17.1 °C | 148.84 mm |
| April | 8.5 °C | 22.4 °C | 141.22 mm |
| May | 13.7 °C | 26.3 °C | 131.83 mm |
| June | 18.2 °C | 30.2 °C | 119.89 mm |
| July | 20.1 °C | 31.8 °C | 129.03 mm |
| August | 19.4 °C | 31.6 °C | 112.01 mm |
| September | 15.7 °C | 28.9 °C | 110.49 mm |
| October | 8.8 °C | 23.2 °C | 105.92 mm |
| November | 3 °C | 16.6 °C | 106.17 mm |
| December | 0.1 °C | 11.3 °C | 156.97 mm |
| Annual | 9.2 °C | 21.8 °C | 1535.93 mm |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 1 - Apr. 10 |
| Average Days With Frost | 75-100 Days |
| Plant Hardiness Zone | Zone 7b : -15°C to -12.2°C |
| Plant Hardiness Zone - 2012 | Zone 7a : -17.8°C to -15°C |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |