| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 18°F | 39°F | 27°F | 0.4" |
| February | 21°F | 43°F | 30°F | 0.5" |
| March | 32°F | 58°F | 43°F | 1.2" |
| April | 42°F | 67°F | 53°F | 3.2" |
| May | 52°F | 77°F | 63°F | 4.3" |
| June | 63°F | 87°F | 74°F | 4.1" |
| July | 67°F | 90°F | 78°F | 2.6" |
| August | 64°F | 87°F | 74°F | 4.0" |
| September | 55°F | 81°F | 66°F | 2.0" |
| October | 43°F | 69°F | 54°F | 2.3" |
| November | 31°F | 55°F | 41°F | 0.9" |
| December | 20°F | 40°F | 29°F | 0.7" |
| Index | Fairbury | Nebraska | National |
| Air quality index | 31 | 86 | 42 |
| Pollution index | 75,071 | 590,627 | 2,726,193 |
| Measurement | Total |
| Days measured | 360 |
| Days with good air quality | 338 |
| Days with moderate air quality | 22 |
| Days w/ poor A.Q. for sensitive groups | 0 |
| Days with unhealthy air quality | 0 |
| Pollutant | Total |
| Arsenic | 0.000% |
| Benzene | 0.001% |
| Carbon Tetrachloride | 0.000% |
| Lead | 0.000% |
| Mercury | 0.000% |
| City | Population | Air Quality Index | National Avg. |
| Jansen, NE | 91 | 31 | 38.0% |
| Steele City, NE | 45 | 31 | 38.0% |
| Mahaska, KS | 75 | 31 | 38.0% |
| Alexandria, NE | 139 | 31 | 38.0% |
| Plymouth, NE | 424 | 31 | 38.0% |
| Fairbury, NE | 3,657 | 31 | 38.0% |
| City | Population | Air Quality Index | National Avg. |
| Kelseyville, CA | 3,657 | 31 | 38.0% |
| Richmond, Subd. A, NS | 3,657 | n/a | |
| Spencerport, NY | 3,656 | 37 | 26.0% |
| SUNY Oswego, NY | 3,656 | 37 | 26.0% |
| Highlands East, ON | 3,656 | n/a | |
| Fairbury, NE | 3,657 | 31 | 38.0% |
Here are the best places to live in Nebraska
These are the 10 cheapest cities in Nebraska
Check out the 10 most dangerous cities in Nebraska
These are the largest cities in Nebraska