| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 31°F | 51°F | 40°F | 4.1" |
| February | 33°F | 53°F | 42°F | 3.4" |
| March | 41°F | 65°F | 52°F | 5.8" |
| April | 50°F | 74°F | 62°F | 5.8" |
| May | 58°F | 81°F | 69°F | 6.0" |
| June | 67°F | 89°F | 77°F | 4.8" |
| July | 69°F | 91°F | 79°F | 4.2" |
| August | 68°F | 91°F | 79°F | 3.0" |
| September | 61°F | 85°F | 72°F | 3.6" |
| October | 48°F | 74°F | 60°F | 3.5" |
| November | 39°F | 63°F | 50°F | 4.0" |
| December | 34°F | 53°F | 43°F | 5.5" |
| Index | Humboldt | Tennessee | National |
| Air quality index | 27 | 76 | 42 |
| Pollution index | 1,455,910 | 2,454,916 | 2,726,193 |
| Measurement | Total |
| Days measured | 362 |
| Days with good air quality | 330 |
| Days with moderate air quality | 32 |
| Days w/ poor A.Q. for sensitive groups | 0 |
| Days with unhealthy air quality | 0 |
| Pollutant | Total |
| Arsenic | 0.001% |
| Benzene | 0.010% |
| Carbon Tetrachloride | 0.002% |
| Lead | 0.010% |
| Mercury | 0.000% |
| City | Population | Air Quality Index | National Avg. |
| Gadsden, TN | 490 | 27 | 46.0% |
| Milan, TN | 7,642 | 27 | 46.0% |
| Atwood, TN | 1,122 | 27 | 46.0% |
| Gibson, TN | 546 | 27 | 46.0% |
| Three Way, TN | 1,626 | 27 | 46.0% |
| Humboldt, TN | 8,145 | 27 | 46.0% |
| City | Population | Air Quality Index | National Avg. |
| Stevensville, MD | 8,145 | 46 | 8.0% |
| Brockport, NY | 8,142 | 37 | 26.0% |
| Mukwonago, WI | 8,142 | 37 | 26.0% |
| Monona, WI | 8,141 | 39 | 22.0% |
| Mount Rainier, MD | 8,149 | 47 | 6.0% |
| Humboldt, TN | 8,145 | 27 | 46.0% |
Here are the best places to live in Tennessee
Check out the 10 most dangerous cities in Tennessee
Most Dangerous Cities In The US
See the best places to live in Humboldt