Raymond, South Dakota has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 32.8 °F (low) to 54.7 °F (high). Annual precipitation averages 22.8 Inches. Raymond 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 Oct. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 3.1 °F | 22.4 °F | 0.5 in. |
| February | 7.2 °F | 27.4 °F | 0.57 in. |
| March | 19.5 °F | 40.0 °F | 0.89 in. |
| April | 31.7 °F | 55.4 °F | 2.15 in. |
| May | 44.7 °F | 68.0 °F | 3.11 in. |
| June | 55.6 °F | 77.9 °F | 3.91 in. |
| July | 60.4 °F | 83.1 °F | 3.44 in. |
| August | 57.8 °F | 81.4 °F | 2.43 in. |
| September | 48.4 °F | 73.5 °F | 2.46 in. |
| October | 34.6 °F | 58.3 °F | 2.13 in. |
| November | 20.9 °F | 41.6 °F | 0.72 in. |
| December | 9.4 °F | 27.9 °F | 0.5 in. |
| Annual | 32.8 °F | 54.7 °F | 22.81 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 4b : -25°F to -20°F |
| Plant Hardiness Zone - 2012 | Zone 4a : -30°F to -25°F |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |