North Judson, Indiana has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 4.3 °C (low) to 15.4 °C (high). Annual precipitation averages 1036.8 Millimeters. North Judson is located in USDA Plant Hardiness Zone 5b. 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 | -8.9 °C | -0.1 °C | 66.55 mm |
| February | -7.4 °C | 2.2 °C | 57.15 mm |
| March | -2.6 °C | 8.4 °C | 66.29 mm |
| April | 3.2 °C | 15.4 °C | 92.46 mm |
| May | 9.7 °C | 21.7 °C | 106.43 mm |
| June | 15.2 °C | 26.8 °C | 111 mm |
| July | 16.6 °C | 28.3 °C | 117.09 mm |
| August | 15.6 °C | 27.4 °C | 116.84 mm |
| September | 11.2 °C | 24.6 °C | 85.34 mm |
| October | 5.2 °C | 17.7 °C | 85.85 mm |
| November | -0.4 °C | 9.5 °C | 70.87 mm |
| December | -5.6 °C | 2.9 °C | 60.96 mm |
| Annual | 4.3 °C | 15.4 °C | 1036.83 mm |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 125-150 Days |
| Plant Hardiness Zone | Zone 5b : -26.1°C to -23.3°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 |