Oak Park Heights, Minnesota has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 2.5 °C (low) to 12.9 °C (high). Annual precipitation averages 874.8 Millimeters. Oak Park Heights 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. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -13.9 °C | -4.6 °C | 23.88 mm |
| February | -12.2 °C | -1.8 °C | 22.1 mm |
| March | -5.4 °C | 5.1 °C | 41.4 mm |
| April | 1.9 °C | 13.4 °C | 80.26 mm |
| May | 8.9 °C | 20.2 °C | 106.43 mm |
| June | 14.7 °C | 25.7 °C | 128.52 mm |
| July | 17.2 °C | 28.1 °C | 110.74 mm |
| August | 15.8 °C | 26.8 °C | 118.62 mm |
| September | 11.2 °C | 22.6 °C | 89.66 mm |
| October | 4 °C | 14.8 °C | 76.96 mm |
| November | -2.9 °C | 5.9 °C | 43.43 mm |
| December | -9.9 °C | -1.7 °C | 32.77 mm |
| Annual | 2.5 °C | 12.9 °C | 874.77 mm |
| 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 5a : -28.9°C to -26.1°C |
| Plant Hardiness Zone - 2012 | Zone 4b : -31.7°C to -28.9°C |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |