| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 39°F | 64°F | 50°F | 2.9" |
| February | 42°F | 69°F | 54°F | 4.2" |
| March | 48°F | 75°F | 60°F | 3.4" |
| April | 54°F | 82°F | 68°F | 3.9" |
| May | 60°F | 87°F | 74°F | 3.0" |
| June | 69°F | 92°F | 79°F | 4.8" |
| July | 72°F | 94°F | 81°F | 4.4" |
| August | 72°F | 93°F | 81°F | 5.2" |
| September | 67°F | 89°F | 76°F | 4.5" |
| October | 55°F | 82°F | 67°F | 1.8" |
| November | 45°F | 74°F | 58°F | 1.9" |
| December | 43°F | 68°F | 54°F | 2.8" |
| Index | McRae-Helena | Georgia | National |
| Air quality index | 26 | 41 | 42 |
| Pollution index | 1,649,070 | 1,874,972 | 2,726,193 |
| Measurement | Total |
| Days measured | 121 |
| Days with good air quality | 107 |
| Days with moderate air quality | 14 |
| Days w/ poor A.Q. for sensitive groups | 0 |
| Days with unhealthy air quality | 0 |
| Pollutant | Total |
| Arsenic | 0.050% |
| Benzene | 0.020% |
| Carbon Tetrachloride | 0.002% |
| Lead | 0.020% |
| Mercury | 0.001% |
| City | Population | Air Quality Index | National Avg. |
| Scotland, GA | 448 | 26 | 48.0% |
| Alamo, GA | 3,474 | 26 | 48.0% |
| Chauncey, GA | 336 | 26 | 48.0% |
| Glenwood, GA | 877 | 26 | 48.0% |
| Milan, GA | 808 | 26 | 48.0% |
| McRae-Helena, GA | 8,643 | 26 | 48.0% |
| City | Population | Air Quality Index | National Avg. |
| Rice Lake, WI | 8,642 | 34 | 32.0% |
| Toccoa, GA | 8,644 | 41 | 18.0% |
| Spring Valley Lake, CA | 8,645 | 89 | 78.0% |
| Elwood, IN | 8,639 | 42 | 16.0% |
| Park City, UT | 8,649 | 51 | 2.0% |
| McRae-Helena, GA | 8,643 | 26 | 48.0% |