Roosevelt, Minnesota has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 27.5 °F (low) to 48.1 °F (high). Annual precipitation averages 26.4 Inches. Roosevelt is located in USDA Plant Hardiness Zone 3b. The growing season typically runs from the last frost around May 21 - May 31 through the first frost around Sep.11 - Sep. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -4.9 °F | 14.1 °F | 0.8 in. |
| February | -2.3 °F | 19.5 °F | 0.68 in. |
| March | 11.4 °F | 33.1 °F | 0.84 in. |
| April | 27.3 °F | 48.4 °F | 1.48 in. |
| May | 40.5 °F | 63.0 °F | 3.28 in. |
| June | 51.4 °F | 72.3 °F | 4.29 in. |
| July | 55.5 °F | 78.2 °F | 3.75 in. |
| August | 52.8 °F | 76.4 °F | 3.36 in. |
| September | 44.5 °F | 67.2 °F | 3.26 in. |
| October | 32.2 °F | 50.7 °F | 2.43 in. |
| November | 18.4 °F | 34.2 °F | 1.19 in. |
| December | 3.3 °F | 19.8 °F | 1.0 in. |
| Annual | 27.5 °F | 48.1 °F | 26.36 in. |
| Average First Frost Date | Sep.11 - Sep. 20 |
| Average Last Frost Date | May 21 - May 31 |
| Average Days With Frost | Over 180 Days |
| Plant Hardiness Zone | Zone 3b : -35°F to -30°F |
| Plant Hardiness Zone - 2012 | Zone 3a : -40°F to -35°F |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |