Tawas City, Michigan has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 36.9 °F (low) to 55.1 °F (high). Annual precipitation averages 31.5 Inches. Tawas City 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 | 14.1 °F | 29.3 °F | 1.49 in. |
| February | 13.9 °F | 31.6 °F | 1.43 in. |
| March | 21.6 °F | 40.3 °F | 1.92 in. |
| April | 32.5 °F | 52.2 °F | 3.63 in. |
| May | 44.2 °F | 64.2 °F | 3.23 in. |
| June | 54.3 °F | 74.6 °F | 3.1 in. |
| July | 59.6 °F | 79.8 °F | 2.88 in. |
| August | 58.5 °F | 78.6 °F | 3.33 in. |
| September | 51.5 °F | 71.7 °F | 2.75 in. |
| October | 40.8 °F | 58.7 °F | 3.13 in. |
| November | 30.5 °F | 45.8 °F | 2.47 in. |
| December | 21.5 °F | 34.9 °F | 2.16 in. |
| Annual | 36.9 °F | 55.1 °F | 31.52 in. |
| 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 : -10°F to -5°F |
| Plant Hardiness Zone - 2012 | Zone 5b : -15°F to -10°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |