| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 18°F | 49°F | 32°F | 0.3" |
| February | 20°F | 52°F | 35°F | 0.3" |
| March | 29°F | 64°F | 45°F | 0.7" |
| April | 36°F | 71°F | 52°F | 1.2" |
| May | 45°F | 78°F | 61°F | 1.5" |
| June | 57°F | 91°F | 73°F | 1.2" |
| July | 62°F | 94°F | 77°F | 2.9" |
| August | 60°F | 90°F | 74°F | 2.5" |
| September | 52°F | 84°F | 67°F | 1.7" |
| October | 39°F | 73°F | 54°F | 0.9" |
| November | 28°F | 61°F | 43°F | 0.3" |
| December | 19°F | 48°F | 31°F | 0.5" |
| Index | Syracuse | Kansas | National |
| Air quality index | 15 | 47 | 42 |
| Pollution index | 755,331 | 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 | 0.020% |
| Carbon Tetrachloride | 0.002% |
| Lead | 0.003% |
| Mercury | 0.000% |
| City | Population | Air Quality Index | National Avg. |
| Coolidge, KS | 108 | 15 | 70.0% |
| Syracuse, KS | 1,802 | 15 | 70.0% |
| City | Population | Air Quality Index | National Avg. |
| Moodus, CT | 1,802 | 37 | 26.0% |
| Remsen, IA | 1,802 | 35 | 30.0% |
| Walcott, IA | 1,802 | 46 | 8.0% |
| Marks, MS | 1,802 | 33 | 34.0% |
| McEwen, TN | 1,802 | 40 | 20.0% |
| Syracuse, KS | 1,802 | 15 | 70.0% |
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