| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 47°F | 67°F | 56°F | 3.1" |
| February | 49°F | 70°F | 59°F | 2.9" |
| March | 55°F | 76°F | 65°F | 2.8" |
| April | 63°F | 82°F | 72°F | 2.6" |
| May | 69°F | 87°F | 77°F | 4.8" |
| June | 75°F | 92°F | 82°F | 8.1" |
| July | 77°F | 93°F | 84°F | 6.4" |
| August | 77°F | 93°F | 84°F | 6.7" |
| September | 75°F | 89°F | 81°F | 4.7" |
| October | 66°F | 83°F | 74°F | 3.4" |
| November | 56°F | 75°F | 65°F | 1.8" |
| December | 52°F | 71°F | 60°F | 2.9" |
| Index | Green Cove Springs | Florida | National |
| Air quality index | 17 | 35 | 42 |
| Pollution index | 5,184,880 | 7,570,785 | 2,726,193 |
| Measurement | Total |
| Days measured | 352 |
| Days with good air quality | 347 |
| Days with moderate air quality | 5 |
| Days w/ poor A.Q. for sensitive groups | 0 |
| Days with unhealthy air quality | 0 |
| Pollutant | Total |
| Arsenic | 0.190% |
| Benzene | 0.060% |
| Carbon Tetrachloride | 0.070% |
| Lead | 0.060% |
| Mercury | 0.050% |
| City | Population | Air Quality Index | National Avg. |
| Penney Farms, FL | 655 | 17 | 66.0% |
| World Golf Village, FL | 18,937 | 17 | 66.0% |
| Fleming Island, FL | 30,582 | 43 | 14.0% |
| Fruit Cove, FL | 33,038 | 43 | 14.0% |
| Asbury Lake, FL | 10,842 | 43 | 14.0% |
| Green Cove Springs, FL | 8,283 | 17 | 66.0% |
| City | Population | Air Quality Index | National Avg. |
| Wetumpka, AL | 8,282 | 52 | 4.0% |
| Shelby, OH | 8,282 | 41 | 18.0% |
| Doylestown, PA | 8,282 | 41 | 18.0% |
| Bradford, PA | 8,284 | 9 | 82.0% |
| Orrville, OH | 8,281 | 43 | 14.0% |
| Green Cove Springs, FL | 8,283 | 17 | 66.0% |
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