| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 51°F | 63°F | 56°F | 2.8" |
| February | 50°F | 62°F | 55°F | 2.7" |
| March | 50°F | 64°F | 56°F | 1.0" |
| April | 51°F | 66°F | 57°F | 0.8" |
| May | 53°F | 68°F | 59°F | 0.5" |
| June | 56°F | 73°F | 63°F | 0.1" |
| July | 60°F | 78°F | 68°F | 0.1" |
| August | 62°F | 79°F | 70°F | 0.0" |
| September | 63°F | 79°F | 70°F | 0.1" |
| October | 59°F | 74°F | 66°F | 0.7" |
| November | 55°F | 69°F | 61°F | 1.1" |
| December | 50°F | 62°F | 55°F | 2.1" |
| Index | Avalon | 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. |
| Avalon, CA | 3,738 | 72 | 44.0% |
| City | Population | Air Quality Index | National Avg. |
| North Yelm, WA | 3,738 | 30 | 40.0% |
| Eastover, NC | 3,740 | 41 | 18.0% |
| West Bradenton, FL | 3,735 | 38 | 24.0% |
| Stanley, NC | 3,734 | 36 | 28.0% |
| Eagle Lake, TX | 3,742 | 52 | 4.0% |
| Avalon, CA | 3,738 | 72 | 44.0% |
Here are the best places to live in California
Check out the 10 safest cities in California
Top 10 best public schools in Avalon
10 Best cities in California for employment