| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 30°F | 51°F | 39°F | 5.9" |
| February | 32°F | 54°F | 42°F | 4.6" |
| March | 40°F | 64°F | 51°F | 4.8" |
| April | 48°F | 73°F | 59°F | 6.6" |
| May | 56°F | 78°F | 66°F | 6.4" |
| June | 64°F | 85°F | 74°F | 8.2" |
| July | 67°F | 87°F | 76°F | 5.1" |
| August | 67°F | 86°F | 75°F | 9.2" |
| September | 61°F | 81°F | 69°F | 5.8" |
| October | 48°F | 72°F | 59°F | 8.9" |
| November | 37°F | 62°F | 48°F | 10.6" |
| December | 34°F | 55°F | 44°F | 7.1" |
| Index | Thomasville | North Carolina | National |
| Air quality index | 40 | 35 | 42 |
| Pollution index | 16,424,300 | 2,789,538 | 2,726,193 |
| Measurement | Total |
| Days measured | 357 |
| Days with good air quality | 260 |
| Days with moderate air quality | 97 |
| Days w/ poor A.Q. for sensitive groups | |
| Days with unhealthy air quality |
| Pollutant | Total |
| Arsenic | 0.010% |
| Benzene | 0.130% |
| Carbon Tetrachloride | 0.040% |
| Lead | 0.030% |
| Mercury | 0.010% |
| City | Population | Air Quality Index | National Avg. |
| Trinity, NC | 6,824 | 40 | 20.0% |
| Lexington, NC | 19,386 | 40 | 20.0% |
| Welcome, NC | 3,125 | 40 | 20.0% |
| Asheboro, NC | 26,430 | 40 | 20.0% |
| Archdale, NC | 12,179 | 40 | 20.0% |
| Thomasville, NC | 27,805 | 40 | 20.0% |
| City | Population | Air Quality Index | National Avg. |
| Allen Park, MI | 27,807 | 56 | 12.0% |
| Maywood, CA | 27,798 | 72 | 44.0% |
| Boisbriand, QC | 27,813 | n/a | |
| Mason City, IA | 27,815 | 15 | 70.0% |
| Shoreview, MN | 27,771 | 46 | 8.0% |
| Thomasville, NC | 27,805 | 40 | 20.0% |