Lincoln, Missouri has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 6.8 °C (low) to 18.6 °C (high). Annual precipitation averages 1101.1 Millimeters. 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 | -6.6 °C | 4.2 °C | 47.5 mm |
| February | -4.4 °C | 7.1 °C | 53.59 mm |
| March | 0.7 °C | 13.1 °C | 75.95 mm |
| April | 6.2 °C | 18.9 °C | 119.13 mm |
| May | 12.1 °C | 23.6 °C | 136.4 mm |
| June | 17.2 °C | 28.5 °C | 128.78 mm |
| July | 19.7 °C | 31 °C | 112.27 mm |
| August | 18.5 °C | 30.5 °C | 96.52 mm |
| September | 13.9 °C | 26.4 °C | 111.76 mm |
| October | 7.3 °C | 20.1 °C | 90.17 mm |
| November | 1.2 °C | 12.8 °C | 72.14 mm |
| December | -4.1 °C | 6.4 °C | 56.9 mm |
| Annual | 6.8 °C | 18.6 °C | 1101.11 mm |
| 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 : -20.6°C to -17.8°C |
| Plant Hardiness Zone - 2012 | Zone 6a : -23.3°C to -20.6°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |