Sacred Heart, Minnesota has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 34.1 °F (low) to 54.4 °F (high). Annual precipitation averages 28.1 Inches. Sacred Heart is located in USDA Plant Hardiness Zone 4b. 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 | 4.0 °F | 22.2 °F | 0.71 in. |
| February | 7.8 °F | 26.6 °F | 0.82 in. |
| March | 20.6 °F | 38.9 °F | 1.51 in. |
| April | 33.4 °F | 55.2 °F | 2.49 in. |
| May | 46.3 °F | 68.5 °F | 3.48 in. |
| June | 57.4 °F | 78.4 °F | 4.69 in. |
| July | 60.9 °F | 82.3 °F | 3.61 in. |
| August | 58.1 °F | 80.0 °F | 3.48 in. |
| September | 49.3 °F | 73.4 °F | 2.95 in. |
| October | 36.4 °F | 58.9 °F | 2.14 in. |
| November | 23.5 °F | 41.5 °F | 1.26 in. |
| December | 11.2 °F | 27.4 °F | 0.93 in. |
| Annual | 34.1 °F | 54.4 °F | 28.07 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 4b : -25°F to -20°F |
| Plant Hardiness Zone - 2012 | Zone 4b : -25°F to -20°F |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |