Reading, Michigan has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 39 °F (low) to 57.1 °F (high). Annual precipitation averages 38.2 Inches. Reading is located in USDA Plant Hardiness Zone 6a. The growing season typically runs from the last frost around May 1 - May 10 through the first frost around Oct. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 16.3 °F | 30.0 °F | 2.49 in. |
| February | 17.3 °F | 33.1 °F | 2.14 in. |
| March | 25.1 °F | 43.6 °F | 2.45 in. |
| April | 36.6 °F | 56.6 °F | 3.56 in. |
| May | 48.5 °F | 68.5 °F | 4.22 in. |
| June | 58.0 °F | 77.7 °F | 3.89 in. |
| July | 60.8 °F | 81.3 °F | 3.67 in. |
| August | 59.0 °F | 79.2 °F | 3.9 in. |
| September | 51.8 °F | 73.3 °F | 3.37 in. |
| October | 41.0 °F | 60.5 °F | 3.23 in. |
| November | 31.0 °F | 46.7 °F | 2.91 in. |
| December | 22.8 °F | 34.8 °F | 2.36 in. |
| Annual | 39 °F | 57.1 °F | 38.19 in. |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | 125-150 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 |