North Aurora, Illinois has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 39.9 °F (low) to 59.6 °F (high). Annual precipitation averages 38.7 Inches. North Aurora 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 | 15.0 °F | 30.8 °F | 1.96 in. |
| February | 17.8 °F | 34.8 °F | 1.92 in. |
| March | 27.5 °F | 46.8 °F | 2.35 in. |
| April | 38.1 °F | 59.9 °F | 3.82 in. |
| May | 49.2 °F | 71.1 °F | 4.9 in. |
| June | 59.2 °F | 80.7 °F | 4.45 in. |
| July | 63.4 °F | 84.3 °F | 3.82 in. |
| August | 61.7 °F | 82.4 °F | 3.89 in. |
| September | 53.8 °F | 76.3 °F | 3.29 in. |
| October | 41.7 °F | 63.3 °F | 3.5 in. |
| November | 30.8 °F | 48.5 °F | 2.59 in. |
| December | 20.9 °F | 36.1 °F | 2.18 in. |
| Annual | 39.9 °F | 59.6 °F | 38.67 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 |