| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 17°F | 40°F | 28°F | 0.2" |
| February | 18°F | 39°F | 27°F | 0.3" |
| March | 27°F | 51°F | 38°F | 0.7" |
| April | 32°F | 57°F | 43°F | 1.2" |
| May | 40°F | 65°F | 52°F | 3.4" |
| June | 50°F | 78°F | 63°F | 1.9" |
| July | 58°F | 88°F | 73°F | 1.2" |
| August | 56°F | 86°F | 70°F | 0.8" |
| September | 48°F | 77°F | 60°F | 1.2" |
| October | 36°F | 61°F | 47°F | 1.0" |
| November | 25°F | 49°F | 36°F | 0.4" |
| December | 15°F | 37°F | 25°F | 0.2" |
| Index | Kaycee | Wyoming | National |
| Air quality index | 42 | 39 | 42 |
| Pollution index | 554,734 | 1,779,975 | 2,726,193 |
| Measurement | Total |
| Days measured | 364 |
| Days with good air quality | 327 |
| Days with moderate air quality | 37 |
| Days w/ poor A.Q. for sensitive groups | 0 |
| Days with unhealthy air quality | 0 |
| Pollutant | Total |
| Arsenic | 0.000% |
| Benzene | 0.005% |
| Carbon Tetrachloride | 0.001% |
| Lead | 0.001% |
| Mercury | 0.000% |
| City | Population | Air Quality Index | National Avg. |
| Kaycee, WY | 267 | 42 | 16.0% |
| City | Population | Air Quality Index | National Avg. |
| Manchester, CA | 267 | 33 | 34.0% |
| No Name, CO | 267 | 44 | 12.0% |
| Cantril, IA | 267 | 29 | 42.0% |
| Allerton, IL | 267 | 42 | 16.0% |
| Compton, IL | 267 | 0 | 100.0% |
| Kaycee, WY | 267 | 42 | 16.0% |
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