Trent, South Dakota has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 34.5 °F (low) to 55 °F (high). Annual precipitation averages 27.9 Inches. Trent is located in USDA Plant Hardiness Zone 4b. The growing season typically runs from the last frost around May 1 - May 10 through the first frost around Sep. 21 - Sep. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 5.6 °F | 23.8 °F | 0.6 in. |
| February | 9.7 °F | 28.6 °F | 0.79 in. |
| March | 21.4 °F | 41.0 °F | 1.38 in. |
| April | 33.4 °F | 55.4 °F | 2.82 in. |
| May | 46.3 °F | 67.7 °F | 3.72 in. |
| June | 57.5 °F | 77.6 °F | 4.37 in. |
| July | 61.5 °F | 82.1 °F | 3.48 in. |
| August | 58.7 °F | 79.9 °F | 3.41 in. |
| September | 49.7 °F | 73.1 °F | 3.11 in. |
| October | 36.3 °F | 59.0 °F | 2.17 in. |
| November | 22.8 °F | 42.6 °F | 1.12 in. |
| December | 11.4 °F | 28.6 °F | 0.89 in. |
| Annual | 34.5 °F | 55 °F | 27.86 in. |
| Average First Frost Date | Sep. 21 - Sep. 30 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 4b : -25°F to -20°F |
| Plant Hardiness Zone - 2012 | Zone 4b : -25°F to -20°F |
| Current Drought Conditions | Extreme Drought |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |