| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 54°F | 74°F | 63°F | 3.5" |
| February | 52°F | 73°F | 62°F | 9.5" |
| March | 57°F | 77°F | 67°F | 5.8" |
| April | 59°F | 79°F | 69°F | 10.2" |
| May | 67°F | 85°F | 76°F | 5.4" |
| June | 73°F | 88°F | 80°F | 11.5" |
| July | 75°F | 91°F | 83°F | 11.1" |
| August | 76°F | 92°F | 83°F | 8.3" |
| September | 74°F | 90°F | 81°F | 3.6" |
| October | 70°F | 87°F | 77°F | 10.7" |
| November | 60°F | 80°F | 69°F | 5.9" |
| December | 55°F | 75°F | 64°F | 1.7" |
| Index | Desoto Lakes | Florida | National |
| Air quality index | 38 | 35 | 42 |
| Pollution index | 18,829,900 | 7,570,785 | 2,726,193 |
| Measurement | Total |
| Days measured | 365 |
| Days with good air quality | 308 |
| Days with moderate air quality | 56 |
| Days w/ poor A.Q. for sensitive groups | 1 |
| Days with unhealthy air quality |
| Pollutant | Total |
| Arsenic | 0.050% |
| Benzene | 0.220% |
| Carbon Tetrachloride | 0.000% |
| Lead | 0.130% |
| Mercury | 0.050% |
| City | Population | Air Quality Index | National Avg. |
| Cortez, FL | 5,088 | 38 | 24.0% |
| Longboat Key, FL | 7,299 | 38 | 24.0% |
| Samoset, FL | 4,701 | 38 | 24.0% |
| West Samoset, FL | 7,191 | 38 | 24.0% |
| Fruitville, FL | 14,178 | 38 | 24.0% |
| Desoto Lakes, FL | 1,907 | 38 | 24.0% |
| City | Population | Air Quality Index | National Avg. |
| Mitchell, NE | 1,907 | 19 | 62.0% |
| Dawn-Euphemia, ON | 1,907 | n/a | |
| Swift Current No. 137, SK | 1,907 | n/a | |
| Joseph City, AZ | 1,908 | 44 | 12.0% |
| Harwich Port, MA | 1,906 | 36 | 28.0% |
| Desoto Lakes, FL | 1,907 | 38 | 24.0% |
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