Utica, Mississippi has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 12.3 °C (low) to 24.8 °C (high). Annual precipitation averages 1466.8 Millimeters. Utica is located in USDA Plant Hardiness Zone 8b. The growing season typically runs from the last frost around Mar. 11 - Mar. 20 through the first frost around Nov. 11 - Nov. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 2.7 °C | 14.1 °C | 144.02 mm |
| February | 4.1 °C | 16.8 °C | 132.08 mm |
| March | 7.8 °C | 21 °C | 146.3 mm |
| April | 11.8 °C | 24.9 °C | 146.05 mm |
| May | 16.6 °C | 28.8 °C | 109.22 mm |
| June | 20.4 °C | 32.3 °C | 117.09 mm |
| July | 21.8 °C | 33.4 °C | 115.82 mm |
| August | 21.5 °C | 33.7 °C | 109.22 mm |
| September | 18.3 °C | 31.4 °C | 103.12 mm |
| October | 11.9 °C | 26.2 °C | 88.65 mm |
| November | 6.7 °C | 19.8 °C | 120.14 mm |
| December | 3.8 °C | 15.4 °C | 135.13 mm |
| Annual | 12.3 °C | 24.8 °C | 1466.84 mm |
| Average First Frost Date | Nov. 11 - Nov. 20 |
| Average Last Frost Date | Mar. 11 - Mar. 20 |
| Average Days With Frost | 30-40 Days |
| Plant Hardiness Zone | Zone 8b : -9.4°C to -6.7°C |
| Plant Hardiness Zone - 2012 | Zone 8a : -12.2°C to -9.4°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |