| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 23°F | 46°F | 33°F | 1.1" |
| February | 26°F | 50°F | 36°F | 1.5" |
| March | 38°F | 62°F | 48°F | 2.6" |
| April | 47°F | 71°F | 58°F | 5.0" |
| May | 56°F | 78°F | 66°F | 6.5" |
| June | 66°F | 87°F | 77°F | 6.2" |
| July | 69°F | 92°F | 80°F | 4.3" |
| August | 68°F | 91°F | 79°F | 5.1" |
| September | 60°F | 83°F | 70°F | 4.4" |
| October | 48°F | 72°F | 59°F | 3.8" |
| November | 37°F | 60°F | 47°F | 2.4" |
| December | 26°F | 47°F | 35°F | 1.7" |
| Index | Altoona | Kansas | National |
| Air quality index | 38 | 47 | 42 |
| Pollution index | 404,642 | 989,153 | 2,726,193 |
| Measurement | Total |
| Days measured | 363 |
| Days with good air quality | 289 |
| Days with moderate air quality | 73 |
| Days w/ poor A.Q. for sensitive groups | 1 |
| Days with unhealthy air quality | 0 |
| Pollutant | Total |
| Arsenic | 0.002% |
| Benzene | 0.010% |
| Carbon Tetrachloride | 0.001% |
| Lead | 0.003% |
| Mercury | 0.010% |
| City | Population | Air Quality Index | National Avg. |
| Coyville, KS | 43 | 22 | 56.0% |
| Benedict, KS | 126 | 22 | 56.0% |
| Buffalo, KS | 344 | 22 | 56.0% |
| Fredonia, KS | 2,077 | 22 | 56.0% |
| New Albany, KS | 59 | 22 | 56.0% |
| Altoona, KS | 273 | 38 | 24.0% |
| City | Population | Air Quality Index | National Avg. |
| Chidester, AR | 273 | 32 | 36.0% |
| Russell, AR | 273 | 45 | 10.0% |
| Valley Springs, AR | 273 | 36 | 28.0% |
| Westcreek, CO | 273 | 45 | 10.0% |
| Culloden, GA | 273 | 38 | 24.0% |
| Altoona, KS | 273 | 38 | 24.0% |
Here are the best places to live in Kansas
Most Dangerous Cities In The US
See the best places to live in Altoona
These are the 10 cheapest cities in Kansas