Rollingstone, Minnesota has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 37 °F (low) to 56.1 °F (high). Annual precipitation averages 35.5 Inches. Rollingstone 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. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 8.0 °F | 25.2 °F | 1.1 in. |
| February | 11.4 °F | 29.9 °F | 1.09 in. |
| March | 23.6 °F | 42.2 °F | 1.95 in. |
| April | 36.1 °F | 56.7 °F | 3.73 in. |
| May | 48.0 °F | 69.3 °F | 4.46 in. |
| June | 58.4 °F | 79.0 °F | 5.16 in. |
| July | 62.6 °F | 82.8 °F | 4.17 in. |
| August | 60.5 °F | 80.6 °F | 4.62 in. |
| September | 52.3 °F | 73.2 °F | 3.69 in. |
| October | 39.8 °F | 59.6 °F | 2.53 in. |
| November | 27.8 °F | 43.6 °F | 1.76 in. |
| December | 15.5 °F | 30.5 °F | 1.27 in. |
| Annual | 37 °F | 56.1 °F | 35.53 in. |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 125-150 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 |