| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 42°F | 67°F | 53°F | 6.8" |
| February | 48°F | 74°F | 59°F | 6.9" |
| March | 54°F | 79°F | 65°F | 4.8" |
| April | 61°F | 86°F | 72°F | 5.4" |
| May | 68°F | 90°F | 78°F | 10.8" |
| June | 73°F | 95°F | 83°F | 5.1" |
| July | 74°F | 96°F | 84°F | 5.7" |
| August | 74°F | 99°F | 85°F | 3.7" |
| September | 70°F | 93°F | 80°F | 7.1" |
| October | 60°F | 86°F | 72°F | 7.9" |
| November | 53°F | 77°F | 63°F | 3.7" |
| December | 45°F | 68°F | 55°F | 3.6" |
| Index | Charlotte | Texas | National |
| Air quality index | 49 | 52 | 42 |
| Pollution index | 298,412 | 2,009,300 | 2,726,193 |
| Measurement | Total |
| Days measured | 365 |
| Days with good air quality | 196 |
| Days with moderate air quality | 163 |
| Days w/ poor A.Q. for sensitive groups | 5 |
| Days with unhealthy air quality | 1 |
| Pollutant | Total |
| Arsenic | 0.000% |
| Benzene | 0.004% |
| Carbon Tetrachloride | 0.000% |
| Lead | 0.000% |
| Mercury | 0.000% |
| City | Population | Air Quality Index | National Avg. |
| Christine, TX | 181 | 49 | 2.0% |
| Leming, TX | 599 | 49 | 2.0% |
| Jourdanton, TX | 4,338 | 49 | 2.0% |
| Pleasanton, TX | 10,703 | 49 | 2.0% |
| Bigfoot, TX | 685 | 49 | 2.0% |
| Charlotte, TX | 1,381 | 49 | 2.0% |
| City | Population | Air Quality Index | National Avg. |
| Gilcrest, CO | 1,381 | 45 | 10.0% |
| Springfield, CO | 1,381 | 20 | 60.0% |
| Kingsford Heights, IN | 1,381 | 37 | 26.0% |
| Fairmount Heights, MD | 1,381 | 47 | 6.0% |
| Ligonier, PA | 1,381 | 39 | 22.0% |
| Charlotte, TX | 1,381 | 49 | 2.0% |
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