| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 19°F | 45°F | 31°F | 1.0" |
| February | 22°F | 49°F | 34°F | 1.5" |
| March | 34°F | 62°F | 47°F | 2.6" |
| April | 44°F | 71°F | 57°F | 4.2" |
| May | 53°F | 79°F | 66°F | 5.6" |
| June | 65°F | 89°F | 77°F | 5.5" |
| July | 68°F | 93°F | 80°F | 4.4" |
| August | 66°F | 91°F | 78°F | 5.2" |
| September | 57°F | 84°F | 69°F | 4.4" |
| October | 44°F | 73°F | 57°F | 3.3" |
| November | 33°F | 61°F | 46°F | 1.6" |
| December | 22°F | 46°F | 33°F | 1.8" |
| Index | Havensville | Kansas | National |
| Air quality index | 32 | 47 | 42 |
| Pollution index | 308,193 | 989,153 | 2,726,193 |
| Measurement | Total |
| Days measured | 95 |
| Days with good air quality | 94 |
| Days with moderate air quality | 1 |
| Days w/ poor A.Q. for sensitive groups | |
| Days with unhealthy air quality |
| Pollutant | Total |
| Arsenic | 0.000% |
| Benzene | 0.010% |
| Carbon Tetrachloride | 0.001% |
| Lead | 0.000% |
| Mercury | 0.000% |
| City | Population | Air Quality Index | National Avg. |
| Onaga, KS | 734 | 32 | 36.0% |
| Vermillion, KS | 80 | 32 | 36.0% |
| Wheaton, KS | 97 | 32 | 36.0% |
| Centralia, KS | 562 | 32 | 36.0% |
| Corning, KS | 153 | 32 | 36.0% |
| Havensville, KS | 130 | 32 | 36.0% |
| City | Population | Air Quality Index | National Avg. |
| Venetie, AK | 130 | 38 | 24.0% |
| Myers Flat, CA | 130 | 27 | 46.0% |
| Portland, CO | 130 | 44 | 12.0% |
| Bendena, KS | 130 | 43 | 14.0% |
| Benedict, KS | 130 | 22 | 56.0% |
| Havensville, KS | 130 | 32 | 36.0% |