Oak Park, Michigan has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 5 °C (low) to 15.1 °C (high). Annual precipitation averages 864.1 Millimeters. Oak Park is located in USDA Plant Hardiness Zone 6b. 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 | -7.4 °C | 0.2 °C | 59.69 mm |
| February | -6.9 °C | 2 °C | 49.53 mm |
| March | -2.7 °C | 7.5 °C | 59.69 mm |
| April | 3.1 °C | 14.6 °C | 79.5 mm |
| May | 9.1 °C | 21.2 °C | 95.76 mm |
| June | 14.9 °C | 26.5 °C | 81.53 mm |
| July | 17.3 °C | 28.8 °C | 84.58 mm |
| August | 16.8 °C | 27.8 °C | 82.8 mm |
| September | 12.6 °C | 24.1 °C | 78.99 mm |
| October | 6.2 °C | 16.7 °C | 71.88 mm |
| November | 0.8 °C | 9.4 °C | 62.74 mm |
| December | -3.8 °C | 2.9 °C | 57.4 mm |
| Annual | 5 °C | 15.1 °C | 864.09 mm |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 100-125 Days |
| Plant Hardiness Zone | Zone 6b : -20.6°C to -17.8°C |
| Plant Hardiness Zone - 2012 | Zone 6a : -23.3°C to -20.6°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |