Lincoln, Missouri has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 44.3 °F (low) to 65.4 °F (high). Annual precipitation averages 43.4 Inches. Lincoln is located in USDA Plant Hardiness Zone 6b. The growing season typically runs from the last frost around Apr. 11 - Apr. 20 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 20.2 °F | 39.6 °F | 1.87 in. |
| February | 24.1 °F | 44.7 °F | 2.11 in. |
| March | 33.2 °F | 55.6 °F | 2.99 in. |
| April | 43.1 °F | 66.0 °F | 4.69 in. |
| May | 53.8 °F | 74.5 °F | 5.37 in. |
| June | 63.0 °F | 83.3 °F | 5.07 in. |
| July | 67.4 °F | 87.8 °F | 4.42 in. |
| August | 65.3 °F | 86.9 °F | 3.8 in. |
| September | 57.1 °F | 79.6 °F | 4.4 in. |
| October | 45.1 °F | 68.1 °F | 3.55 in. |
| November | 34.1 °F | 55.1 °F | 2.84 in. |
| December | 24.7 °F | 43.6 °F | 2.24 in. |
| Annual | 44.3 °F | 65.4 °F | 43.35 in. |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| Average Days With Frost | 75-100 Days |
| Plant Hardiness Zone | Zone 6b : -5°F to 0°F |
| Plant Hardiness Zone - 2012 | Zone 6a : -10°F to -5°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |