| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 46°F | 72°F | 57°F | 2.3" |
| February | 48°F | 72°F | 58°F | 1.7" |
| March | 51°F | 75°F | 61°F | 1.0" |
| April | 54°F | 76°F | 64°F | 0.5" |
| May | 58°F | 78°F | 66°F | 0.3" |
| June | 62°F | 81°F | 70°F | 0.0" |
| July | 66°F | 86°F | 74°F | 0.1" |
| August | 66°F | 88°F | 75°F | 0.0" |
| September | 65°F | 88°F | 74°F | 0.2" |
| October | 59°F | 83°F | 69°F | 0.4" |
| November | 52°F | 77°F | 63°F | 0.6" |
| December | 45°F | 70°F | 56°F | 2.5" |
| Index | Northeast | Anaheim | California |
| Air quality index | 89 | 89 | 55 |
| Pollution index | 858,652 | 858,652 | 10,473,190 |
| Measurement | Total |
| Days measured | 365 |
| Days with good air quality | 42 |
| Days with moderate air quality | 178 |
| Days w/ poor A.Q. for sensitive groups | 79 |
| Days with unhealthy air quality | 58 |
| Pollutant | Total |
| Arsenic | 0.002% |
| Benzene | 0.010% |
| Carbon Tetrachloride | 0.000% |
| Lead | 0.020% |
| Mercury | 0.001% |
| City | Population | Air Quality Index | National Avg. |
| Cypress, CA | 49,137 | 72 | 44.0% |
| La Habra Heights, CA | 5,318 | 72 | 44.0% |
| Los Alamitos, CA | 11,521 | 72 | 44.0% |
| Rossmoor, CA | 11,923 | 72 | 44.0% |
| Stanton, CA | 38,317 | 72 | 44.0% |
| Anaheim, CA | 353,085 | 89 | 78.0% |
| City | Population | Air Quality Index | National Avg. |
| Honolulu, HI | 347,181 | 30 | 40.0% |
| Markham, ON | 359,111 | n/a | |
| Santa Ana, CA | 332,610 | 89 | 78.0% |
| Riverside, CA | 327,569 | 89 | 78.0% |
| Aurora, CO | 379,434 | 58 | 16.0% |
| Anaheim, CA | 353,085 | 89 | 78.0% |
Here are the best places to live in California
10 Best cities in California for employment
Check out the 10 safest cities in California
Top 10 cities in California with the best education system