North Pekin, Illinois has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 42.2 °F (low) to 62.5 °F (high). Annual precipitation averages 38.6 Inches. North Pekin is located in USDA Plant Hardiness Zone 6a. The growing season typically runs from the last frost around Apr. 11 - Apr. 20 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 17.4 °F | 33.8 °F | 2.12 in. |
| February | 20.7 °F | 38.4 °F | 2.01 in. |
| March | 30.6 °F | 50.7 °F | 2.57 in. |
| April | 41.3 °F | 63.5 °F | 3.86 in. |
| May | 52.8 °F | 73.9 °F | 4.86 in. |
| June | 62.2 °F | 82.9 °F | 4.52 in. |
| July | 65.4 °F | 86.1 °F | 3.93 in. |
| August | 63.2 °F | 84.9 °F | 3.4 in. |
| September | 54.8 °F | 79.2 °F | 3.39 in. |
| October | 42.7 °F | 66.4 °F | 3.15 in. |
| November | 32.1 °F | 51.5 °F | 2.73 in. |
| December | 23.1 °F | 39.1 °F | 2.1 in. |
| Annual | 42.2 °F | 62.5 °F | 38.64 in. |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| Average Days With Frost | 100-125 Days |
| Plant Hardiness Zone | Zone 6a : -10°F to -5°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 |