| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 43°F | 63°F | 51°F | 3.0" |
| February | 45°F | 63°F | 53°F | 2.6" |
| March | 46°F | 63°F | 54°F | 2.7" |
| April | 47°F | 64°F | 55°F | 1.2" |
| May | 50°F | 65°F | 56°F | 0.3" |
| June | 52°F | 68°F | 59°F | 0.1" |
| July | 54°F | 69°F | 60°F | 0.0" |
| August | 55°F | 69°F | 60°F | 0.1" |
| September | 54°F | 71°F | 61°F | 0.1" |
| October | 51°F | 70°F | 60°F | 1.0" |
| November | 47°F | 66°F | 55°F | 1.6" |
| December | 42°F | 61°F | 51°F | 2.8" |
| Index | Marina | California | National |
| Air quality index | 37 | 55 | 50 |
| Pollution index | 9,602,130 | 18,106,726 | 5,066,862 |
| Measurement | Total |
| Days measured | 365 |
| Days with good air quality | 330 |
| Days with moderate air quality | 34 |
| Days w/ poor A.Q. for sensitive groups | 1 |
| Days with unhealthy air quality | 0 |
| Pollutant | Total |
| Arsenic | 0.070% |
| Benzene | 0.190% |
| Carbon Tetrachloride | 0.000% |
| Lead | 0.080% |
| Mercury | 0.070% |
| City, State | Population | Air Quality Index | National Avg. |
| Boronda, CA | 1,381 | 37 | 26% |
| Del Monte Forest, CA | 4,819 | 37 | 26% |
| Moss Landing, CA | 118 | 37 | 26% |
| Sand City, CA | 301 | 37 | 26% |
| Las Lomas, CA | 3,047 | 37 | 26% |
| Marina, CA | 20,816 | 37 | 26% |
| City, State | Population | Air Quality Index | National Avg. |
| New Hope, MN | 20,819 | 46 | 8% |
| Merrick, NY | 20,808 | 51 | 2% |
| Erie, CO | 20,801 | 47 | 6% |
| Adrian, MI | 20,800 | 39 | 22% |
| Monsey, NY | 20,791 | 51 | 2% |
| Marina, CA | 20,816 | 37 | 26% |
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