| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 30°F | 51°F | 40°F | 3.6" |
| February | 32°F | 54°F | 42°F | 2.5" |
| March | 40°F | 63°F | 51°F | 3.5" |
| April | 49°F | 73°F | 60°F | 4.3" |
| May | 57°F | 79°F | 67°F | 4.5" |
| June | 65°F | 86°F | 76°F | 4.0" |
| July | 69°F | 89°F | 78°F | 4.1" |
| August | 68°F | 87°F | 77°F | 4.8" |
| September | 62°F | 81°F | 71°F | 3.9" |
| October | 49°F | 72°F | 60°F | 3.8" |
| November | 39°F | 62°F | 50°F | 3.6" |
| December | 34°F | 54°F | 44°F | 3.8" |
| Index | Midway | North Carolina | National |
| Air quality index | 45 | 35 | 42 |
| Pollution index | 16,424,300 | 2,789,538 | 2,726,193 |
| Measurement | Total |
| Days measured | 365 |
| Days with good air quality | 225 |
| Days with moderate air quality | 140 |
| Days w/ poor A.Q. for sensitive groups | 0 |
| Days with unhealthy air quality | 0 |
| 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% |
| Archdale, NC | 12,179 | 40 | 20.0% |
| Tyro, NC | 3,319 | 40 | 20.0% |
| High Point, NC | 116,418 | 40 | 20.0% |
| Welcome, NC | 3,125 | 40 | 20.0% |
| Midway, NC | 4,989 | 45 | 10.0% |
| City | Population | Air Quality Index | National Avg. |
| Benson, AZ | 4,989 | 45 | 10.0% |
| Four Corners, MT | 4,989 | 25 | 50.0% |
| Ipswich, MA | 4,988 | 43 | 14.0% |
| Avondale, LA | 4,990 | 45 | 10.0% |
| Whiting, IN | 4,986 | 55 | 10.0% |
| Midway, NC | 4,989 | 45 | 10.0% |