East Jordan, Michigan has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 35.1 °F (low) to 54.8 °F (high). Annual precipitation averages 33.5 Inches. East Jordan is located in USDA Plant Hardiness Zone 5b. The growing season typically runs from the last frost around May 21 - May 31 through the first frost around Sep. 21 - Sep. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 14.6 °F | 27.9 °F | 2.15 in. |
| February | 13.0 °F | 30.1 °F | 1.4 in. |
| March | 19.3 °F | 39.7 °F | 1.64 in. |
| April | 31.0 °F | 52.8 °F | 2.66 in. |
| May | 42.0 °F | 66.3 °F | 2.96 in. |
| June | 51.7 °F | 75.6 °F | 3.1 in. |
| July | 56.0 °F | 79.6 °F | 2.87 in. |
| August | 55.2 °F | 78.5 °F | 3.27 in. |
| September | 48.1 °F | 71.2 °F | 3.7 in. |
| October | 38.4 °F | 57.6 °F | 4.26 in. |
| November | 30.2 °F | 44.5 °F | 2.93 in. |
| December | 21.8 °F | 33.3 °F | 2.55 in. |
| Annual | 35.1 °F | 54.8 °F | 33.49 in. |
| Average First Frost Date | Sep. 21 - Sep. 30 |
| Average Last Frost Date | May 21 - May 31 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 5b : -15°F to -10°F |
| Plant Hardiness Zone - 2012 | Zone 5a : -20°F to -15°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |