| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 48°F | 68°F | 57°F | 2.5" |
| February | 49°F | 67°F | 57°F | 1.8" |
| March | 51°F | 68°F | 59°F | 1.5" |
| April | 53°F | 70°F | 61°F | 0.5" |
| May | 57°F | 70°F | 63°F | 0.2" |
| June | 60°F | 72°F | 65°F | 0.0" |
| July | 63°F | 76°F | 68°F | 0.0" |
| August | 64°F | 76°F | 69°F | 0.0" |
| September | 63°F | 77°F | 69°F | 0.3" |
| October | 59°F | 76°F | 66°F | 0.4" |
| November | 53°F | 72°F | 62°F | 0.6" |
| December | 48°F | 67°F | 56°F | 2.5" |
| Index | Marina del Rey | California | National |
| Air quality index | 72 | 55 | 42 |
| Pollution index | 4,251,410 | 10,473,190 | 2,726,193 |
| Measurement | Total |
| Days measured | 365 |
| Days with good air quality | 66 |
| Days with moderate air quality | 208 |
| Days w/ poor A.Q. for sensitive groups | 62 |
| Days with unhealthy air quality | 28 |
| Pollutant | Total |
| Arsenic | 0.010% |
| Benzene | 0.100% |
| Carbon Tetrachloride | 0.000% |
| Lead | 0.010% |
| Mercury | 0.000% |
| City | Population | Air Quality Index | National Avg. |
| Gardena, CA | 59,401 | 72 | 44.0% |
| Westmont, CA | 35,188 | 72 | 44.0% |
| Compton, CA | 95,804 | 72 | 44.0% |
| Long Beach, CA | 462,081 | 72 | 44.0% |
| Walnut Park, CA | 15,939 | 72 | 44.0% |
| Marina del Rey, CA | 10,065 | 72 | 44.0% |
| City | Population | Air Quality Index | National Avg. |
| Purcellville, VA | 10,063 | 38 | 24.0% |
| Cedartown, GA | 10,062 | 44 | 12.0% |
| Winterville, NC | 10,062 | 38 | 24.0% |
| Kennett, MO | 10,069 | 26 | 48.0% |
| Lexington, NE | 10,069 | 19 | 62.0% |
| Marina del Rey, CA | 10,065 | 72 | 44.0% |
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