| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 34°F | 65°F | 49°F | 10.5" |
| February | 39°F | 65°F | 51°F | 8.0" |
| March | 41°F | 70°F | 54°F | 3.0" |
| April | 41°F | 72°F | 55°F | 2.9" |
| May | 48°F | 77°F | 61°F | 0.9" |
| June | 49°F | 83°F | 65°F | 0.2" |
| July | 56°F | 91°F | 72°F | 1.5" |
| August | 58°F | 92°F | 73°F | 0.5" |
| September | 50°F | 86°F | 67°F | 0.4" |
| October | 47°F | 79°F | 62°F | 2.1" |
| November | 42°F | 75°F | 57°F | 3.5" |
| December | 34°F | 67°F | 50°F | 2.5" |
| Index | Aguanga | California | National |
| Air quality index | 89 | 55 | 42 |
| Pollution index | 162,740 | 10,473,190 | 2,726,193 |
| 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 | 0.000% |
| Benzene | 0.003% |
| Carbon Tetrachloride | 0.000% |
| Lead | 0.000% |
| Mercury | 0.000% |
| City | Population | Air Quality Index | National Avg. |
| Pala, CA | 1,094 | 64 | 28.0% |
| Anza, CA | 2,101 | 89 | 78.0% |
| Lake Riverside, CA | 1,139 | 89 | 78.0% |
| Aguanga, CA | 696 | 89 | 78.0% |
| City | Population | Air Quality Index | National Avg. |
| Suttons Bay, MI | 696 | 36 | 28.0% |
| Mora, NM | 696 | 15 | 70.0% |
| Goodwill, SD | 696 | 25 | 50.0% |
| Puryear, TN | 696 | 44 | 12.0% |
| Dahlgren Center, VA | 696 | 47 | 6.0% |
| Aguanga, CA | 696 | 89 | 78.0% |
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