Oscoda, Michigan has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 3.1 °C (low) to 12.3 °C (high). Annual precipitation averages 785.4 Millimeters. Oscoda is located in USDA Plant Hardiness Zone 6a. The growing season typically runs from the last frost around May 11 - May 20 through the first frost around Oct. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -9.4 °C | -1.6 °C | 42.67 mm |
| February | -9.6 °C | -0.7 °C | 37.85 mm |
| March | -5.3 °C | 3.7 °C | 46.48 mm |
| April | 0.6 °C | 10.4 °C | 83.57 mm |
| May | 6.8 °C | 16.9 °C | 84.33 mm |
| June | 12.4 °C | 22.6 °C | 76.71 mm |
| July | 15.6 °C | 25.8 °C | 75.95 mm |
| August | 15.2 °C | 25.3 °C | 78.99 mm |
| September | 11.5 °C | 21.7 °C | 67.31 mm |
| October | 5.4 °C | 14.4 °C | 78.49 mm |
| November | -0.3 °C | 7.5 °C | 59.94 mm |
| December | -5.4 °C | 1.5 °C | 53.09 mm |
| Annual | 3.1 °C | 12.3 °C | 785.38 mm |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | May 11 - May 20 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 6a : -23.3°C to -20.6°C |
| Plant Hardiness Zone - 2012 | Zone 5b : -26.1°C to -23.3°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |