| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 13°F | 39°F | 25°F | 1.1" |
| February | 20°F | 49°F | 33°F | 0.8" |
| March | 25°F | 61°F | 42°F | 1.5" |
| April | 32°F | 63°F | 46°F | 4.0" |
| May | 39°F | 67°F | 52°F | 5.4" |
| June | 53°F | 85°F | 69°F | 2.2" |
| July | 57°F | 91°F | 73°F | 3.9" |
| August | 53°F | 86°F | 69°F | 2.1" |
| September | 48°F | 82°F | 63°F | 3.3" |
| October | 36°F | 68°F | 51°F | 4.8" |
| November | 24°F | 53°F | 37°F | 2.5" |
| December | 11°F | 37°F | 24°F | 0.6" |
| Index | Oshkosh | Nebraska | National |
| Air quality index | 19 | 86 | 42 |
| Pollution index | 154,541 | 590,627 | 2,726,193 |
| Measurement | Total |
| Days measured | 113 |
| Days with good air quality | 110 |
| 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 | 0.003% |
| Carbon Tetrachloride | 0.000% |
| Lead | 0.002% |
| Mercury | 0.000% |
| City | Population | Air Quality Index | National Avg. |
| Lewellen, NE | 232 | 19 | 62.0% |
| Lisco, NE | 38 | 19 | 62.0% |
| Oshkosh, NE | 936 | 19 | 62.0% |
| City | Population | Air Quality Index | National Avg. |
| Leesburg, AL | 936 | 43 | 14.0% |
| Weir, KS | 936 | 37 | 26.0% |
| Qulin, MO | 936 | 26 | 48.0% |
| Richmondville, NY | 936 | 37 | 26.0% |
| Orleans, VT | 936 | 37 | 26.0% |
| Oshkosh, NE | 936 | 19 | 62.0% |
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