New Baltimore, Michigan has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 5 °C (low) to 14.6 °C (high). Annual precipitation averages 844.8 Millimeters. New Baltimore is located in USDA Plant Hardiness Zone 6b. The growing season typically runs from the last frost around Apr. 21 - Apr. 30 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -7.6 °C | 0.1 °C | 55.12 mm |
| February | -7.3 °C | 1.3 °C | 44.45 mm |
| March | -3.1 °C | 6.5 °C | 57.15 mm |
| April | 2.9 °C | 13.6 °C | 85.6 mm |
| May | 9.2 °C | 20.1 °C | 90.68 mm |
| June | 14.8 °C | 25.8 °C | 82.3 mm |
| July | 17.3 °C | 28.2 °C | 81.79 mm |
| August | 16.7 °C | 27.1 °C | 84.58 mm |
| September | 12.7 °C | 23.5 °C | 75.69 mm |
| October | 6.7 °C | 16.4 °C | 68.07 mm |
| November | 0.9 °C | 9.2 °C | 63.5 mm |
| December | -3.8 °C | 2.9 °C | 55.88 mm |
| Annual | 5 °C | 14.6 °C | 844.81 mm |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 100-125 Days |
| Plant Hardiness Zone | Zone 6b : -20.6°C to -17.8°C |
| Plant Hardiness Zone - 2012 | Zone 6a : -23.3°C to -20.6°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |