Sterling Heights, Michigan has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 4.8 °C (low) to 15.1 °C (high). Annual precipitation averages 874.5 Millimeters. Sterling Heights 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. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -7.8 °C | 0.2 °C | 63.75 mm |
| February | -7.2 °C | 1.9 °C | 51.05 mm |
| March | -3.1 °C | 7.3 °C | 59.44 mm |
| April | 2.9 °C | 14.4 °C | 77.98 mm |
| May | 9 °C | 20.9 °C | 97.28 mm |
| June | 14.8 °C | 26.4 °C | 81.79 mm |
| July | 17.1 °C | 28.9 °C | 88.9 mm |
| August | 16.7 °C | 27.8 °C | 82.55 mm |
| September | 12.4 °C | 24.1 °C | 79.25 mm |
| October | 6.3 °C | 16.7 °C | 70.61 mm |
| November | 0.8 °C | 9.3 °C | 63.75 mm |
| December | -4 °C | 2.8 °C | 58.17 mm |
| Annual | 4.8 °C | 15.1 °C | 874.52 mm |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| 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 |