Marenisco, Michigan has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from -1.5 °C (low) to 10.3 °C (high). Annual precipitation averages 867.2 Millimeters. Marenisco is located in USDA Plant Hardiness Zone 4a. 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 | -16.2 °C | -6.1 °C | 41.66 mm |
| February | -16 °C | -3.6 °C | 33.78 mm |
| March | -10.8 °C | 2.7 °C | 43.69 mm |
| April | -3.2 °C | 9.6 °C | 72.39 mm |
| May | 4.4 °C | 17.6 °C | 88.65 mm |
| June | 9.8 °C | 22.8 °C | 103.38 mm |
| July | 12.3 °C | 25 °C | 102.36 mm |
| August | 11.1 °C | 24 °C | 89.92 mm |
| September | 7.1 °C | 19.5 °C | 91.19 mm |
| October | 0.8 °C | 11.6 °C | 93.47 mm |
| November | -5.3 °C | 3.2 °C | 56.9 mm |
| December | -12 °C | -3.3 °C | 49.78 mm |
| Annual | -1.5 °C | 10.3 °C | 867.17 mm |
| Average First Frost Date | Sep. 21 - Sep. 30 |
| Average Last Frost Date | May 21 - May 31 |
| Average Days With Frost | Over 180 Days |
| Plant Hardiness Zone | Zone 4a : -34.4°C to -31.7°C |
| Plant Hardiness Zone - 2012 | Zone 4a : -34.4°C to -31.7°C |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |