| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 10°F | 29°F | 19°F | 1.4" |
| February | 12°F | 32°F | 22°F | 1.9" |
| March | 25°F | 47°F | 36°F | 2.3" |
| April | 36°F | 62°F | 49°F | 4.9" |
| May | 47°F | 72°F | 59°F | 4.5" |
| June | 58°F | 81°F | 69°F | 5.3" |
| July | 61°F | 84°F | 72°F | 6.9" |
| August | 59°F | 81°F | 70°F | 4.2" |
| September | 51°F | 76°F | 63°F | 3.2" |
| October | 40°F | 63°F | 51°F | 3.4" |
| November | 28°F | 49°F | 38°F | 2.2" |
| December | 15°F | 33°F | 24°F | 2.5" |
| Index | Oxford Junction | Iowa | National |
| Air quality index | 46 | 39 | 50 |
| Pollution index | 3,556,270 | 1,643,836 | 5,066,862 |
| Measurement | Total |
| Days measured | 365 |
| Days with good air quality | 217 |
| Days with moderate air quality | 145 |
| Days w/ poor A.Q. for sensitive groups | 3 |
| Days with unhealthy air quality | 0 |
| Pollutant | Total |
| Arsenic | 0.060% |
| Benzene | 0.020% |
| Carbon Tetrachloride | 0.002% |
| Lead | 0.020% |
| Mercury | 0.040% |
| City, State | Population | Air Quality Index | National Avg. |
| Stanwood, IA | 562 | 35 | 30% |
| Clarence, IA | 976 | 35 | 30% |
| Tipton, IA | 3,201 | 35 | 30% |
| Olin, IA | 721 | 39 | 22% |
| Center Junction, IA | 79 | 39 | 22% |
| Oxford Junction, IA | 411 | 46 | 8% |
| City, State | Population | Air Quality Index | National Avg. |
| Stotonic Village, AZ | 411 | 74 | 48% |
| Redbird Smith, OK | 411 | 5 | 90% |
| Madrid, AL | 411 | 35 | 30% |
| Allenwood, PA | 411 | 35 | 30% |
| Earl Park, IN | 411 | 42 | 16% |
| Oxford Junction, IA | 411 | 46 | 8% |
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