Utica, South Dakota has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 2.6 °C (low) to 14.8 °C (high). Annual precipitation averages 689.3 Millimeters. Utica is located in USDA Plant Hardiness Zone 5a. The growing season typically runs from the last frost around Apr. 21 - Apr. 30 through the first frost around Oct. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -12.3 °C | -1.7 °C | 14.22 mm |
| February | -10.3 °C | 1.1 °C | 19.3 mm |
| March | -4.4 °C | 7.6 °C | 35.81 mm |
| April | 1.8 °C | 14.7 °C | 75.18 mm |
| May | 8.6 °C | 21.2 °C | 102.62 mm |
| June | 14.8 °C | 27 °C | 102.87 mm |
| July | 17.3 °C | 29.6 °C | 75.95 mm |
| August | 15.9 °C | 28.3 °C | 81.28 mm |
| September | 10.8 °C | 24.4 °C | 71.63 mm |
| October | 3.3 °C | 16.7 °C | 62.48 mm |
| November | -4.1 °C | 7.9 °C | 27.43 mm |
| December | -9.8 °C | 0.6 °C | 20.57 mm |
| Annual | 2.6 °C | 14.8 °C | 689.34 mm |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 5a : -28.9°C to -26.1°C |
| Plant Hardiness Zone - 2012 | Zone 5a : -28.9°C to -26.1°C |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |