| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 45°F | 72°F | 58°F | 2.4" |
| February | 46°F | 74°F | 59°F | 2.4" |
| March | 51°F | 79°F | 64°F | 2.5" |
| April | 57°F | 84°F | 70°F | 1.9" |
| May | 63°F | 89°F | 75°F | 4.7" |
| June | 70°F | 91°F | 79°F | 7.5" |
| July | 72°F | 91°F | 80°F | 9.5" |
| August | 73°F | 92°F | 81°F | 8.3" |
| September | 70°F | 90°F | 79°F | 6.7" |
| October | 61°F | 85°F | 72°F | 2.3" |
| November | 52°F | 79°F | 64°F | 1.7" |
| December | 51°F | 76°F | 62°F | 1.6" |
| Index | Garden Grove | Florida | National |
| Air quality index | 30 | 35 | 42 |
| Pollution index | 7,611,470 | 7,570,785 | 2,726,193 |
| Measurement | Total |
| Days measured | 365 |
| Days with good air quality | 337 |
| Days with moderate air quality | 28 |
| Days w/ poor A.Q. for sensitive groups | 0 |
| Days with unhealthy air quality | 0 |
| Pollutant | Total |
| Arsenic | 0.005% |
| Benzene | 0.100% |
| Carbon Tetrachloride | 0.010% |
| Lead | 0.040% |
| Mercury | 0.004% |
| City | Population | Air Quality Index | National Avg. |
| Lake Lindsey, FL | 0 | 30 | 40.0% |
| Masaryktown, FL | 1,042 | 30 | 40.0% |
| North Weeki Wachee, FL | 7,626 | 30 | 40.0% |
| Spring Hill, FL | 113,742 | 30 | 40.0% |
| Weeki Wachee, FL | 1 | 30 | 40.0% |
| Garden Grove, FL | 1,026 | 30 | 40.0% |
| City | Population | Air Quality Index | National Avg. |
| Dagsboro, DE | 1,026 | 36 | 28.0% |
| Oxford, ME | 1,026 | 31 | 38.0% |
| Maple Creek No. 111, SK | 1,026 | n/a | |
| Salamatof, AK | 1,025 | 31 | 38.0% |
| Santa Margarita, CA | 1,025 | 46 | 8.0% |
| Garden Grove, FL | 1,026 | 30 | 40.0% |
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