| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 40°F | 66°F | 52°F | 5.4" |
| February | 42°F | 71°F | 55°F | 5.8" |
| March | 47°F | 78°F | 62°F | 3.2" |
| April | 52°F | 84°F | 68°F | 4.5" |
| May | 60°F | 91°F | 76°F | 6.3" |
| June | 71°F | 102°F | 87°F | 2.7" |
| July | 75°F | 99°F | 86°F | 7.6" |
| August | 74°F | 98°F | 85°F | 4.9" |
| September | 69°F | 94°F | 81°F | 9.2" |
| October | 58°F | 87°F | 72°F | 3.2" |
| November | 49°F | 77°F | 62°F | 3.1" |
| December | 40°F | 66°F | 51°F | 4.9" |
| Index | San Manuel | Arizona | National |
| Air quality index | 47 | 57 | 42 |
| Pollution index | 3,235,590 | 9,766,019 | 2,726,193 |
| Measurement | Total |
| Days measured | 365 |
| Days with good air quality | 225 |
| Days with moderate air quality | 138 |
| Days w/ poor A.Q. for sensitive groups | 2 |
| Days with unhealthy air quality | 0 |
| Pollutant | Total |
| Arsenic | 0.070% |
| Benzene | 0.050% |
| Carbon Tetrachloride | 0.010% |
| Lead | 0.050% |
| Mercury | 0.050% |
| City | Population | Air Quality Index | National Avg. |
| Saddlebrooke, AZ | 12,327 | 47 | 6.0% |
| Campo Bonito, AZ | 59 | 47 | 6.0% |
| Summerhaven, AZ | 35 | 47 | 6.0% |
| Catalina, AZ | 6,738 | 47 | 6.0% |
| Mammoth, AZ | 1,527 | 47 | 6.0% |
| San Manuel, AZ | 3,688 | 47 | 6.0% |
| City | Population | Air Quality Index | National Avg. |
| Clifton, AZ | 3,689 | 37 | 26.0% |
| North Okanagan B, BC | 3,689 | n/a | |
| Millvale, PA | 3,686 | 56 | 12.0% |
| Lake Cowichan, BC | 3,686 | n/a | |
| Pincher Creek, AB | 3,690 | n/a | |
| San Manuel, AZ | 3,688 | 47 | 6.0% |
Here are the best places to live in Arizona
See the best places to live in San Manuel
These are the largest cities in Arizona
Most Dangerous States In The US