North Judson, Indiana has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 39.8 °F (low) to 59.7 °F (high). Annual precipitation averages 40.8 Inches. 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 | 15.9 °F | 31.8 °F | 2.62 in. |
| February | 18.7 °F | 35.9 °F | 2.25 in. |
| March | 27.4 °F | 47.2 °F | 2.61 in. |
| April | 37.8 °F | 59.8 °F | 3.64 in. |
| May | 49.5 °F | 71.0 °F | 4.19 in. |
| June | 59.3 °F | 80.2 °F | 4.37 in. |
| July | 61.9 °F | 83.0 °F | 4.61 in. |
| August | 60.0 °F | 81.4 °F | 4.6 in. |
| September | 52.2 °F | 76.2 °F | 3.36 in. |
| October | 41.3 °F | 63.8 °F | 3.38 in. |
| November | 31.2 °F | 49.1 °F | 2.79 in. |
| December | 22.0 °F | 37.2 °F | 2.4 in. |
| Annual | 39.8 °F | 59.7 °F | 40.82 in. |
| 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 : -15°F to -10°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 |