Noblesville, Indiana has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 6.1 °C (low) to 16.7 °C (high). Annual precipitation averages 1090.2 Millimeters. Noblesville is located in USDA Plant Hardiness Zone 6a. The growing season typically runs from the last frost around Apr. 21 - Apr. 30 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -6.8 °C | 1.8 °C | 72.9 mm |
| February | -5.3 °C | 4.1 °C | 59.44 mm |
| March | -0.6 °C | 10.1 °C | 83.06 mm |
| April | 5.4 °C | 17.2 °C | 108.97 mm |
| May | 11.6 °C | 22.8 °C | 120.4 mm |
| June | 16.6 °C | 27.5 °C | 128.27 mm |
| July | 18.2 °C | 29.2 °C | 106.93 mm |
| August | 17.2 °C | 28.5 °C | 84.58 mm |
| September | 13 °C | 25.4 °C | 85.6 mm |
| October | 6.7 °C | 18.7 °C | 80.26 mm |
| November | 1 °C | 10.9 °C | 85.34 mm |
| December | -3.9 °C | 4.3 °C | 74.42 mm |
| Annual | 6.1 °C | 16.7 °C | 1090.17 mm |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 100-125 Days |
| Plant Hardiness Zone | Zone 6a : -23.3°C to -20.6°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 |