| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 15°F | 36°F | 24°F | 2.0" |
| February | 17°F | 39°F | 27°F | 2.5" |
| March | 30°F | 55°F | 41°F | 3.8" |
| April | 41°F | 66°F | 52°F | 6.9" |
| May | 51°F | 76°F | 63°F | 9.2" |
| June | 62°F | 85°F | 74°F | 8.3" |
| July | 66°F | 88°F | 77°F | 5.1" |
| August | 64°F | 86°F | 74°F | 10.8" |
| September | 55°F | 79°F | 66°F | 8.1" |
| October | 42°F | 67°F | 53°F | 7.6" |
| November | 29°F | 53°F | 40°F | 3.5" |
| December | 18°F | 38°F | 27°F | 4.4" |
| Index | La Platte | Nebraska | National |
| Air quality index | 40 | 86 | 42 |
| Pollution index | 4,349,930 | 590,627 | 2,726,193 |
| Measurement | Total |
| Days measured | 365 |
| Days with good air quality | 283 |
| Days with moderate air quality | 82 |
| Days w/ poor A.Q. for sensitive groups | 0 |
| Days with unhealthy air quality | 0 |
| Pollutant | Total |
| Arsenic | 0.210% |
| Benzene | 0.040% |
| Carbon Tetrachloride | 0.004% |
| Lead | 0.100% |
| Mercury | 0.160% |
| City | Population | Air Quality Index | National Avg. |
| Weeping Water, NE | 1,011 | 40 | 20.0% |
| Council Bluffs, IA | 62,376 | 40 | 20.0% |
| Offutt AFB, NE | 5,280 | 40 | 20.0% |
| La Vista, NE | 17,081 | 40 | 20.0% |
| Chalco, NE | 10,092 | 40 | 20.0% |
| La Platte, NE | 136 | 40 | 20.0% |
| City | Population | Air Quality Index | National Avg. |
| Minto, AK | 136 | 38 | 24.0% |
| Springtown, AR | 136 | 44 | 12.0% |
| Mount Carmel, FL | 136 | 41 | 18.0% |
| Huey, IL | 136 | 43 | 14.0% |
| Radom, IL | 136 | 43 | 14.0% |
| La Platte, NE | 136 | 40 | 20.0% |
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