Rose City, Michigan has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 0.3 °C (low) to 13 °C (high). Annual precipitation averages 841.5 Millimeters. Rose City is located in USDA Plant Hardiness Zone 5a. The growing season typically runs from the last frost around May 11 - May 20 through the first frost around Sep. 21 - Sep. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -12.2 °C | -2.6 °C | 50.29 mm |
| February | -12.6 °C | -0.8 °C | 42.67 mm |
| March | -8.1 °C | 4.9 °C | 48.51 mm |
| April | -1.5 °C | 12.2 °C | 80.77 mm |
| May | 5.1 °C | 19.7 °C | 87.12 mm |
| June | 10.3 °C | 25 °C | 94.23 mm |
| July | 12.7 °C | 27.2 °C | 81.28 mm |
| August | 11.7 °C | 26.2 °C | 85.09 mm |
| September | 7.4 °C | 22.2 °C | 72.9 mm |
| October | 1.7 °C | 14.3 °C | 85.09 mm |
| November | -3.1 °C | 6.7 °C | 62.23 mm |
| December | -7.8 °C | 0.4 °C | 51.31 mm |
| Annual | 0.3 °C | 13 °C | 841.49 mm |
| Average First Frost Date | Sep. 21 - Sep. 30 |
| Average Last Frost Date | May 11 - May 20 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 5a : -28.9°C to -26.1°C |
| Plant Hardiness Zone - 2012 | Zone 4b : -31.7°C to -28.9°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |