| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 39°F | 63°F | 50°F | 6.6" |
| February | 41°F | 67°F | 53°F | 7.7" |
| March | 48°F | 73°F | 60°F | 7.4" |
| April | 54°F | 80°F | 67°F | 9.5" |
| May | 62°F | 86°F | 73°F | 7.6" |
| June | 70°F | 91°F | 80°F | 10.6" |
| July | 72°F | 93°F | 81°F | 9.7" |
| August | 73°F | 92°F | 81°F | 9.9" |
| September | 68°F | 87°F | 76°F | 8.3" |
| October | 57°F | 80°F | 67°F | 7.5" |
| November | 46°F | 72°F | 57°F | 5.5" |
| December | 44°F | 67°F | 54°F | 6.6" |
| Index | Jesup | Georgia | National |
| Air quality index | 36 | 41 | 42 |
| Pollution index | 380,728 | 1,874,972 | 2,726,193 |
| Measurement | Total |
| Days measured | 279 |
| Days with good air quality | 254 |
| Days with moderate air quality | 25 |
| 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 | 0.001% |
| Lead | 0.001% |
| Mercury | 0.000% |
| City | Population | Air Quality Index | National Avg. |
| Screven, GA | 829 | 36 | 28.0% |
| Offerman, GA | 806 | 36 | 28.0% |
| Patterson, GA | 805 | 36 | 28.0% |
| Odum, GA | 345 | 36 | 28.0% |
| Ludowici, GA | 2,223 | 39 | 22.0% |
| Jesup, GA | 9,864 | 36 | 28.0% |
| City | Population | Air Quality Index | National Avg. |
| Stonegate, CO | 9,860 | 58 | 16.0% |
| Northampton, PA | 9,869 | 42 | 16.0% |
| Jennings, LA | 9,874 | 45 | 10.0% |
| Kendall Park, NJ | 9,852 | 41 | 18.0% |
| Fort Oglethorpe, GA | 9,877 | 46 | 8.0% |
| Jesup, GA | 9,864 | 36 | 28.0% |
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