Sterling Heights, Michigan has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 40.7 °F (low) to 59.1 °F (high). Annual precipitation averages 34.4 Inches. 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 | 18.0 °F | 32.3 °F | 2.51 in. |
| February | 19.0 °F | 35.5 °F | 2.01 in. |
| March | 26.5 °F | 45.2 °F | 2.34 in. |
| April | 37.3 °F | 57.9 °F | 3.07 in. |
| May | 48.2 °F | 69.7 °F | 3.83 in. |
| June | 58.6 °F | 79.6 °F | 3.22 in. |
| July | 62.8 °F | 84.0 °F | 3.5 in. |
| August | 62.1 °F | 82.0 °F | 3.25 in. |
| September | 54.4 °F | 75.3 °F | 3.12 in. |
| October | 43.3 °F | 62.0 °F | 2.78 in. |
| November | 33.5 °F | 48.8 °F | 2.51 in. |
| December | 24.8 °F | 37.1 °F | 2.29 in. |
| Annual | 40.7 °F | 59.1 °F | 34.43 in. |
| 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 : -5°F to 0°F |
| Plant Hardiness Zone - 2012 | Zone 6a : -10°F to -5°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |