Claremont, South Dakota has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 32.1 °F (low) to 53.9 °F (high). Annual precipitation averages 23.2 Inches. Claremont is located in USDA Plant Hardiness Zone 4a. 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 | 1.4 °F | 20.6 °F | 0.55 in. |
| February | 5.9 °F | 25.8 °F | 0.59 in. |
| March | 18.4 °F | 38.7 °F | 0.94 in. |
| April | 31.4 °F | 54.8 °F | 1.89 in. |
| May | 44.7 °F | 68.1 °F | 3.27 in. |
| June | 55.6 °F | 77.5 °F | 3.97 in. |
| July | 59.9 °F | 82.5 °F | 3.7 in. |
| August | 57.0 °F | 81.3 °F | 2.4 in. |
| September | 47.5 °F | 73.0 °F | 2.38 in. |
| October | 34.1 °F | 57.9 °F | 2.11 in. |
| November | 20.3 °F | 40.2 °F | 0.73 in. |
| December | 8.4 °F | 26.4 °F | 0.63 in. |
| Annual | 32.1 °F | 53.9 °F | 23.16 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 4a : -30°F to -25°F |
| Plant Hardiness Zone - 2012 | Zone 4a : -30°F to -25°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |