| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 22°F | 46°F | 31°F | 3.2" |
| February | 26°F | 52°F | 36°F | 1.3" |
| March | 35°F | 66°F | 48°F | 2.5" |
| April | 40°F | 69°F | 52°F | 4.8" |
| May | 52°F | 80°F | 64°F | 4.3" |
| June | 61°F | 88°F | 73°F | 11.4" |
| July | 65°F | 95°F | 79°F | 2.2" |
| August | 66°F | 95°F | 79°F | 11.3" |
| September | 60°F | 90°F | 72°F | 5.0" |
| October | 46°F | 79°F | 59°F | 9.8" |
| November | 30°F | 64°F | 44°F | 1.3" |
| December | 21°F | 49°F | 32°F | 3.3" |
| Index | Plains | Kansas | National |
| Air quality index | 15 | 47 | 42 |
| Pollution index | 290,018 | 989,153 | 2,726,193 |
| Measurement | Total |
| Days measured | 304 |
| Days with good air quality | 301 |
| Days with moderate air quality | 3 |
| Days w/ poor A.Q. for sensitive groups | 0 |
| Days with unhealthy air quality | 0 |
| Pollutant | Total |
| Arsenic | 0.000% |
| Benzene | 0.010% |
| Carbon Tetrachloride | 0.000% |
| Lead | 0.000% |
| Mercury | 0.000% |
| City | Population | Air Quality Index | National Avg. |
| Meade, KS | 1,388 | 15 | 70.0% |
| Kismet, KS | 383 | 15 | 70.0% |
| Plains, KS | 1,301 | 15 | 70.0% |
| City | Population | Air Quality Index | National Avg. |
| Seven Mile, AZ | 1,301 | 44 | 12.0% |
| Paisley, FL | 1,301 | 37 | 26.0% |
| Guthrie, KY | 1,301 | 40 | 20.0% |
| Fort Sumner, NM | 1,301 | 15 | 70.0% |
| Dalton, PA | 1,301 | 38 | 24.0% |
| Plains, KS | 1,301 | 15 | 70.0% |
Here are the best places to live in Kansas
Check out the 10 safest cities in Kansas
Top 10 best public schools in Plains
10 Best cities in Kansas for employment