| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 23°F | 51°F | 34°F | 2.9" |
| February | 28°F | 63°F | 43°F | 1.2" |
| March | 33°F | 71°F | 50°F | 17.0" |
| April | 44°F | 73°F | 56°F | 12.4" |
| May | 49°F | 78°F | 62°F | 2.3" |
| June | 63°F | 94°F | 78°F | 6.3" |
| July | 67°F | 96°F | 81°F | 7.7" |
| August | 63°F | 89°F | 74°F | 7.1" |
| September | 57°F | 86°F | 70°F | 6.8" |
| October | 45°F | 78°F | 59°F | 7.5" |
| November | 33°F | 65°F | 46°F | 2.0" |
| December | 21°F | 51°F | 34°F | 2.2" |
| Index | Richfield | Kansas | National |
| Air quality index | 15 | 47 | 42 |
| Pollution index | 164,930 | 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 | 0.002% |
| Mercury | 0.000% |
| City | Population | Air Quality Index | National Avg. |
| Rolla, KS | 527 | 15 | 70.0% |
| Richfield, KS | 21 | 15 | 70.0% |
| City | Population | Air Quality Index | National Avg. |
| Pedro Bay, AK | 21 | 31 | 38.0% |
| Wiederkehr Village, AR | 21 | 36 | 28.0% |
| Bucks Lake, CA | 21 | 46 | 8.0% |
| Old Station, CA | 21 | 42 | 16.0% |
| Tennant, CA | 21 | 29 | 42.0% |
| Richfield, KS | 21 | 15 | 70.0% |
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