Lawrence, Kansas has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 44.3 °F (low) to 65.2 °F (high). Annual precipitation averages 39.1 Inches. Lawrence is located in USDA Plant Hardiness Zone 6b. The growing season typically runs from the last frost around Mar. 21 - Mar. 31 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 19.1 °F | 38.3 °F | 1.08 in. |
| February | 23.2 °F | 43.2 °F | 1.52 in. |
| March | 32.8 °F | 55.0 °F | 2.4 in. |
| April | 43.2 °F | 65.4 °F | 3.97 in. |
| May | 54.7 °F | 75.2 °F | 5.21 in. |
| June | 64.9 °F | 84.9 °F | 5.29 in. |
| July | 68.9 °F | 89.5 °F | 4.16 in. |
| August | 66.8 °F | 87.7 °F | 4.5 in. |
| September | 57.5 °F | 79.9 °F | 3.98 in. |
| October | 44.7 °F | 67.4 °F | 3.18 in. |
| November | 32.9 °F | 53.7 °F | 2.07 in. |
| December | 23.1 °F | 41.7 °F | 1.69 in. |
| Annual | 44.3 °F | 65.2 °F | 39.05 in. |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Mar. 21 - Mar. 31 |
| Average Days With Frost | 75-100 Days |
| Plant Hardiness Zone | Zone 6b : -5°F to 0°F |
| Plant Hardiness Zone - 2012 | Zone 6b : -5°F to 0°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |