| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 22°F | 39°F | 29°F | 5.1" |
| February | 24°F | 45°F | 33°F | 5.5" |
| March | 37°F | 62°F | 48°F | 4.9" |
| April | 43°F | 67°F | 54°F | 5.2" |
| May | 55°F | 79°F | 67°F | 8.4" |
| June | 66°F | 86°F | 75°F | 10.5" |
| July | 68°F | 91°F | 79°F | 5.2" |
| August | 70°F | 92°F | 80°F | 8.8" |
| September | 60°F | 84°F | 71°F | 6.6" |
| October | 47°F | 70°F | 58°F | 8.4" |
| November | 32°F | 59°F | 44°F | 3.1" |
| December | 20°F | 40°F | 29°F | 2.8" |
| Index | Lecompton | Kansas | National |
| Air quality index | 41 | 47 | 42 |
| Pollution index | 1,138,800 | 989,153 | 2,726,193 |
| Measurement | Total |
| Days measured | 365 |
| Days with good air quality | 294 |
| Days with moderate air quality | 70 |
| Days w/ poor A.Q. for sensitive groups | 0 |
| Days with unhealthy air quality | 1 |
| Pollutant | Total |
| Arsenic | 0.001% |
| Benzene | 0.020% |
| Carbon Tetrachloride | 0.004% |
| Lead | 0.010% |
| Mercury | 0.000% |
| City | Population | Air Quality Index | National Avg. |
| Meriden, KS | 805 | 41 | 18.0% |
| Ozawkie, KS | 690 | 41 | 18.0% |
| Lawrence, KS | 99,660 | 41 | 18.0% |
| Perry, KS | 1,323 | 41 | 18.0% |
| McLouth, KS | 1,148 | 41 | 18.0% |
| Lecompton, KS | 890 | 41 | 18.0% |
| City | Population | Air Quality Index | National Avg. |
| Gadsden, AZ | 890 | 45 | 10.0% |
| Parker Strip, AZ | 890 | 13 | 74.0% |
| Crystal Springs, FL | 890 | 36 | 28.0% |
| Rockwell, IA | 890 | 15 | 70.0% |
| Frenchburg, KY | 890 | 33 | 34.0% |
| Lecompton, KS | 890 | 41 | 18.0% |
Here are the best places to live in Kansas
See the best places to live in Lecompton
Most Dangerous Cities In The US
Most Dangerous States In The US