| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 46°F | 70°F | 57°F | 2.6" |
| February | 48°F | 70°F | 58°F | 2.5" |
| March | 51°F | 72°F | 60°F | 1.0" |
| April | 53°F | 74°F | 62°F | 0.6" |
| May | 57°F | 75°F | 65°F | 0.3" |
| June | 61°F | 78°F | 67°F | 0.0" |
| July | 65°F | 83°F | 71°F | 0.2" |
| August | 65°F | 85°F | 72°F | 0.0" |
| September | 63°F | 85°F | 72°F | 0.3" |
| October | 59°F | 81°F | 68°F | 0.5" |
| November | 52°F | 76°F | 62°F | 0.7" |
| December | 46°F | 69°F | 56°F | 2.7" |
| Index | El Dorado Park | Long Beach | California |
| Air quality index | 72 | 72 | 55 |
| Pollution index | 858,652 | 4,251,410 | 10,473,190 |
| 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. |
| Hacienda Heights, CA | 55,386 | 72 | 44.0% |
| Westmont, CA | 35,188 | 72 | 44.0% |
| Bell Gardens, CA | 41,770 | 72 | 44.0% |
| Downey, CA | 111,263 | 72 | 44.0% |
| La Habra Heights, CA | 5,318 | 72 | 44.0% |
| Long Beach, CA | 462,081 | 72 | 44.0% |
| City | Population | Air Quality Index | National Avg. |
| Miami, FL | 461,080 | 41 | 18.0% |
| Raleigh, NC | 469,698 | 46 | 8.0% |
| Colorado Springs, CO | 471,686 | 45 | 10.0% |
| Halifax, NS | 451,852 | n/a | |
| Virginia Beach, VA | 450,882 | 40 | 20.0% |
| Long Beach, CA | 462,081 | 72 | 44.0% |
Here are the best places to live in California
Check out the 10 most dangerous cities in California
Most Dangerous Cities In The US
These are the largest cities in California