Lesterville, South Dakota has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 36.8 °F (low) to 58.9 °F (high). Annual precipitation averages 26.6 Inches. Lesterville is located in USDA Plant Hardiness Zone 5a. The growing season typically runs from the last frost around May 1 - May 10 through the first frost around Oct. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 9.8 °F | 29.3 °F | 0.56 in. |
| February | 13.6 °F | 34.1 °F | 0.76 in. |
| March | 24.1 °F | 46.1 °F | 1.37 in. |
| April | 35.4 °F | 58.9 °F | 2.94 in. |
| May | 47.6 °F | 70.7 °F | 3.92 in. |
| June | 58.7 °F | 81.0 °F | 3.89 in. |
| July | 63.1 °F | 85.8 °F | 3.01 in. |
| August | 60.7 °F | 83.3 °F | 3.14 in. |
| September | 51.4 °F | 76.4 °F | 2.81 in. |
| October | 37.9 °F | 62.2 °F | 2.35 in. |
| November | 24.6 °F | 46.2 °F | 1.05 in. |
| December | 14.2 °F | 33.0 °F | 0.8 in. |
| Annual | 36.8 °F | 58.9 °F | 26.6 in. |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 5a : -20°F to -15°F |
| Plant Hardiness Zone - 2012 | Zone 5a : -20°F to -15°F |
| Current Drought Conditions | Extreme Drought |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |