Davis, South Dakota has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 36.2 °F (low) to 57.9 °F (high). Annual precipitation averages 27.5 Inches. Davis 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 | 8.1 °F | 27.2 °F | 0.57 in. |
| February | 12.2 °F | 32.2 °F | 0.75 in. |
| March | 23.5 °F | 44.5 °F | 1.41 in. |
| April | 35.0 °F | 58.6 °F | 2.9 in. |
| May | 47.7 °F | 70.6 °F | 3.85 in. |
| June | 58.9 °F | 80.7 °F | 4.3 in. |
| July | 62.9 °F | 84.9 °F | 3.2 in. |
| August | 60.4 °F | 82.4 °F | 3.23 in. |
| September | 51.1 °F | 75.6 °F | 2.89 in. |
| October | 37.6 °F | 61.7 °F | 2.37 in. |
| November | 24.1 °F | 45.2 °F | 1.16 in. |
| December | 13.3 °F | 31.5 °F | 0.82 in. |
| Annual | 36.2 °F | 57.9 °F | 27.45 in. |
| 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 : -20°F to -15°F |
| Plant Hardiness Zone - 2012 | Zone 4b : -25°F to -20°F |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |