| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 46°F | 65°F | 55°F | 4.7" |
| February | 48°F | 67°F | 56°F | 6.0" |
| March | 53°F | 72°F | 62°F | 8.0" |
| April | 60°F | 78°F | 68°F | 9.5" |
| May | 64°F | 83°F | 74°F | 6.4" |
| June | 72°F | 86°F | 79°F | 11.1" |
| July | 73°F | 87°F | 80°F | 12.3" |
| August | 74°F | 88°F | 81°F | 10.0" |
| September | 71°F | 86°F | 78°F | 9.5" |
| October | 61°F | 80°F | 70°F | 7.3" |
| November | 51°F | 72°F | 61°F | 7.9" |
| December | 50°F | 70°F | 58°F | 6.0" |
| Index | Wewahitchka | Florida | National |
| Air quality index | 38 | 35 | 42 |
| Pollution index | 1,006,860 | 7,570,785 | 2,726,193 |
| Measurement | Total |
| Days measured | 357 |
| Days with good air quality | 308 |
| Days with moderate air quality | 49 |
| Days w/ poor A.Q. for sensitive groups | 0 |
| Days with unhealthy air quality | 0 |
| Pollutant | Total |
| Arsenic | 0.002% |
| Benzene | 0.010% |
| Carbon Tetrachloride | 0.001% |
| Lead | 0.000% |
| Mercury | 0.000% |
| City | Population | Air Quality Index | National Avg. |
| Mexico Beach, FL | 1,416 | 38 | 24.0% |
| Sumatra, FL | 114 | 38 | 24.0% |
| Wewahitchka, FL | 1,807 | 38 | 24.0% |
| City | Population | Air Quality Index | National Avg. |
| Emory, TX | 1,807 | 36 | 28.0% |
| Tenino, WA | 1,807 | 20 | 60.0% |
| Scenic, AZ | 1,806 | 44 | 12.0% |
| Saticoy, CA | 1,808 | 46 | 8.0% |
| Elizabeth, CO | 1,808 | 58 | 16.0% |
| Wewahitchka, FL | 1,807 | 38 | 24.0% |