Hastings, Michigan has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 3.5 °C (low) to 14.3 °C (high). Annual precipitation averages 984.5 Millimeters. 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 | -8.3 °C | -0.7 °C | 66.8 mm |
| February | -8.2 °C | 0.9 °C | 54.61 mm |
| March | -4.1 °C | 6.7 °C | 61.47 mm |
| April | 1.7 °C | 14.1 °C | 95.25 mm |
| May | 8.1 °C | 20.6 °C | 109.22 mm |
| June | 13.4 °C | 25.8 °C | 103.12 mm |
| July | 15.5 °C | 27.9 °C | 86.11 mm |
| August | 14.6 °C | 26.9 °C | 91.19 mm |
| September | 10.3 °C | 23.2 °C | 81.79 mm |
| October | 4.5 °C | 16.1 °C | 98.55 mm |
| November | -0.6 °C | 8.3 °C | 73.91 mm |
| December | -4.9 °C | 2.1 °C | 62.48 mm |
| Annual | 3.5 °C | 14.3 °C | 984.5 mm |
| 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 : -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 | Dfa - Humid Continental Hot Summers With Year Around Precipitation |