Hastings, Michigan has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 38.3 °F (low) to 57.8 °F (high). Annual precipitation averages 38.8 Inches. Hastings 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. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 17.1 °F | 30.8 °F | 2.63 in. |
| February | 17.2 °F | 33.6 °F | 2.15 in. |
| March | 24.6 °F | 44.0 °F | 2.42 in. |
| April | 35.1 °F | 57.3 °F | 3.75 in. |
| May | 46.6 °F | 69.1 °F | 4.3 in. |
| June | 56.2 °F | 78.5 °F | 4.06 in. |
| July | 59.9 °F | 82.3 °F | 3.39 in. |
| August | 58.3 °F | 80.4 °F | 3.59 in. |
| September | 50.5 °F | 73.8 °F | 3.22 in. |
| October | 40.1 °F | 61.0 °F | 3.88 in. |
| November | 31.0 °F | 46.9 °F | 2.91 in. |
| December | 23.1 °F | 35.8 °F | 2.46 in. |
| Annual | 38.3 °F | 57.8 °F | 38.76 in. |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | May 1 - May 10 |
| 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 | Dfa - Humid Continental Hot Summers With Year Around Precipitation |