| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 18°F | 44°F | 30°F | 1.1" |
| February | 22°F | 49°F | 34°F | 1.1" |
| March | 26°F | 55°F | 39°F | 1.2" |
| April | 29°F | 61°F | 44°F | 1.5" |
| May | 35°F | 70°F | 53°F | 1.2" |
| June | 42°F | 81°F | 62°F | 0.7" |
| July | 47°F | 91°F | 71°F | 0.2" |
| August | 44°F | 89°F | 68°F | 0.2" |
| September | 37°F | 82°F | 60°F | 0.3" |
| October | 30°F | 67°F | 47°F | 1.0" |
| November | 25°F | 53°F | 37°F | 1.1" |
| December | 18°F | 42°F | 29°F | 1.5" |
| Index | Cedarville | California | National |
| Air quality index | 38 | 55 | 50 |
| Pollution index | 661,452 | 18,106,726 | 5,066,862 |
| Measurement | Total |
| Days measured | 364 |
| Days with good air quality | 217 |
| Days with moderate air quality | 121 |
| Days w/ poor A.Q. for sensitive groups | 22 |
| Days with unhealthy air quality | 4 |
| Pollutant | Total |
| Arsenic | 0.002% |
| Benzene | 0.010% |
| Carbon Tetrachloride | 0.000% |
| Lead | 0.020% |
| Mercury | 0.001% |
| City, State | Population | Air Quality Index | National Avg. |
| Lake City, CA | 55 | 38 | 24% |
| Eagleville, CA | 78 | 38 | 24% |
| Cedarville, CA | 300 | 38 | 24% |
| City, State | Population | Air Quality Index | National Avg. |
| Sycamore, OK | 300 | 37 | 26% |
| Swan Quarter, NC | 300 | 3 | 94% |
| Watauga, TN | 300 | 45 | 10% |
| Bellewood, KY | 300 | 55 | 10% |
| Peterson, IA | 300 | 41 | 18% |
| Cedarville, CA | 300 | 38 | 24% |